DESC:CROSS REFERENCE TO RELATED APPLICATION
This Application is based on and derives the benefit of Indian Provisional Application 202321023810 filed on 30th March 2023, the contents of which are incorporated herein by reference.
TECHNICAL FIELD
[001] The embodiments herein generally relate to washing machines and more particularly to systems for pre-cleaning clothes to remove stain from clothes prior to washing the clothes in the washing machine.
BACKGROUND
[002] Generally, a washing machine is an appliance which is used for cleaning the clothes by removing the stain/ dirt from clothes by sequentially carrying out various cycles in the order of liquid feeding, washing, rinsing, dehydrating and draining cycles. Different types of clothes require different type of wash depending upon the nature of the fabric or color or stain accumulated on the cloth. Detergents are also chosen based on its compatibility with the washing machine and the type of clothing. Washing machines, when operated in the appropriate mode and with detergents or the like, are capable of cleaning various types of clothes including clothes with heavier and dark stains. However, some areas of clothes such as a collar and cuff of shirts or a waist band of trousers and the likes need additional or supplementary cleaning of the clothes as there is no dedicated provision on the washing machine to remove the stains on such areas of the cloth. The supplementary cleaning is usually performed by manually applying the detergent on the stain or soiled areas of the cloth and manually brushing the detergent applied stain or soiled areas of the cloth with a brush either before washing the cloth in washing machine or after washing the cloth in washing machine. Manual cleaning of single or multiple stains on the clothes is an additional burden on user and is time consuming and cumbersome and labor-intensive thereby resulting in fatigue/ tiredness to user. Moreover, the uneven brushing force will damage the collar, cuff, waist band and the like of the cloth and affect its service life. Further, effective stain removal is a hassle in the present scenario and requires longer soaking of clothes, longer wash up time and separate wash cycle(s) thereby increasing an overall power consumption of the washing machine. Further, the manual cleaning of stains on the collar, cuff, waist band and the like of clothes requires higher detergent consumption and inconvenient with difficulty in target spot cleaning and stains on such areas of the cloth. The pre-washing of the cloth can also result in detergent spillage causing storage concerns and use.
[003] Though the stains on the collars, cuffs, waist band and the like, of the cloth are manually washed to remove the stains therefrom, such pre-washed areas of the cloth still appears to be dirty and old compared with other parts of the cloth. In order to make the washed collar and cuffs clean as much as compared to other washed parts of the clothes, some conventional solutions includes usage of electric brush. However, the electric brushes still need to be manually operated such that the user needs to use considerable physical strength, and the washing effect is not satisfactory.
[004] Therefore, there exists a need for systems for pre-cleaning clothes in the washing machine which obviates the aforementioned drawbacks.
OBJECTS

[005] The principal object of embodiments herein is to provide a systems for pre-cleaning clothes to remove stain from collar, cuff, waistband potions, foot portions and other stain portions of clothes prior to washing the clothes in the washing machine in a washing machine.
[006] Another object of embodiments herein is to reduce the time consumed for applying the detergent on the stains and cleaning the stains from the clothes.
[007] Another object of embodiments herein is to reduce fatigue to user while cleaning the multiple stains from the multiple clothes.
[008] Another object of embodiments herein is to reduce the washing cycles of the washing machine thereby reducing the power consumption of the washing machine by pre-cleaning the stains from clothes prior to washing the clothes in the washing machine.
[009] Another object of embodiments herein is to reduce manual labor, soak time and wash time required for cleaning the clothes.
[0010] Another object of embodiments herein is to reduce detergent consumption as well as to prevent detergent spillage.
[0011] These and other objects of embodiments herein will be better appreciated and understood when considered in conjunction with following description and accompanying drawings. It should be understood, however, that the following descriptions, while indicating embodiments and numerous specific details thereof, are given by way of illustration and not of limitation. Many changes and modifications may be made within the scope of the embodiments herein without departing from the spirit thereof, and the embodiments herein include all such modifications.

BRIEF DESCRIPTION OF DRAWINGS
[0012] The embodiments are illustrated in the accompanying drawings, throughout which like reference letters indicate corresponding parts in various figures. The embodiments herein will be better understood from the following description with reference to the drawings, in which:
[0013] Fig. 1 depicts an exploded view of a system for pre-cleaning clothes in a semi-automatic top load washing machine, according to first embodiments as disclosed herein;
[0014] Fig. 2 illustrates a pump mounted to a tank cover, according to first embodiments as disclosed herein;
[0015] Fig. 3A depicts a sectional view of the system for pre-cleaning the clothes, according to first embodiments as disclosed herein;
[0016] Fig. 3B depicts a sectional detailed view showing the thread fitting of a pump holder with respect to a holder receiving portion of the tank cover, according to first embodiments as disclosed herein;
[0017] Fig. 4A illustrates a pump mounted to a tank cover, according to first embodiments as disclosed herein;
[0018] Fig. 4B a perspective view of a tank, according to first embodiments as discloses herein;
[0019] Fig. 5A depicts a top view of the washing machine showing a stain rubbing member provided on a hatch portion of a cabinet top cover of the washing machine, according to first embodiments as disclosed herein;
[0020] Fig. 5B depicts a perspective view showing a portion of the stain rubbing member provided on the hatch portion of the cabinet top cover, according to first embodiments as disclosed herein;
[0021] Fig. 6Adepicts a perspective view of the washing machine showing the tank cover mounted on the tank, according to first embodiments as disclosed herein;
[0022] Fig. 6B depicts a perspective view of the washing machine showing a lid covering a tank receiving portion (opening) of the cabinet top cover when the tank along with the pump and tank cover is not installed/ not required on some variants of the washing machine, according to first embodiments as disclosed herein;
[0023] Fig.7 depicts a perspective view of a system for pre-cleaning the clothes in a fully automatic top load washing machine, according to second embodiments as disclosed herein;
[0024] Fig. 8A illustrates a tank provided on a cabinet top cover, according to second embodiments as disclosed herein;
[0025] Fig. 8B illustrates a stain rubbing member and a stain treating agent applicator received by the tank, according to second embodiments as disclosed herein;
[0026] Fig. 9A illustrates the stain treating agent applicator in pressed condition for actuating to pump to dispense the stain treating agent (liquid detergent) stored in the tank, according to second embodiments as disclosed herein;
[0027] Fig. 9B illustrates removing/ displacing the stain rubbing member from the tank for filling the stain treating agent into the tank via inlet port, according to second embodiments as disclosed herein; and
[0028] Fig. 10 depicts a sectional view of the pump, according to first and second embodiments as disclosed herein.

DETAILED DESCRIPTION
[0029] The embodiments herein and the various features and advantageous details thereof are explained more fully with reference to the non-limiting embodiments that are illustrated in the accompanying drawings and detailed in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein. The examples used herein are intended merely to facilitate an understanding of ways in which the embodiments herein may be practiced and to further enable those of skill in the art to practice the embodiments herein. Accordingly, the examples should not be construed as limiting the scope of the embodiments herein.
[0030] The embodiments herein achieve systems for pre-cleaning clothes in a washing machine. Referring now to Figs. 1 to 10, where similar reference characters denote corresponding features consistently throughout the figures, there are shown embodiments.
[0031] Fig. 1 depicts an exploded view of a system (100) for pre-cleaning clothes in a semi-automatic top load washing machine (10), according to first embodiments as disclosed herein. In the first embodiment, the system (100) includes a tank (102), a pump (104), a stain treating agent applicator (106), a stain rubbing member (108), a tank cover (110) and a pump holder (112). For the purpose of this description and ease of understanding, the system (100) is explained herein with below reference to pre-cleaning the clothes to remove strains/ dirt accumulated on one or more of collar, cuff, waist band, foot and the like parts of the clothes prior to washing the clothes in the semi-automatic top load washing machine (10). However, it is also within the scope of the invention to use/practice the components of system (100) for pre-cleaning one or more of collar, cuff, waist band, foot and the like parts clothes prior to washing in a fully automatic washing machine or any other type and configuration of the washing machine without otherwise deterring the intended function of the system (100) as can be deduced from the description and corresponding drawings.
[0032] The tank (102) includes a storage chamber (102T) adapted to store a stain treating agent therein. For the purpose of this description and ease of understanding, the stain treating agent is considered to be but not limited to liquid detergent, bleach and the like. The tank (102) is adapted to be received by a tank receiving portion (12P) (as shown in fig. 1) defined in the cabinet top cover (12) of the washing machine (10) and is snap fitted to the cabinet top cover (12). In the first embodiment, the tank (102) includes a plurality of snap locking protrusions (102S) (as shown in fig. 1 and fig. 4B), wherein each snap locking protrusion (102S) of the tank (102) is adapted to be received by a corresponding snap locking groove (12G) (as shown in fig. 1) defined on the cabinet top cover (12) thereby snap fitting the tank (102) to the cabinet top cover (12). In the first embodiment, the tank (102) defines a maximum level (102L) (as shown in fig. 4B) adapted to indicate maximum level of stain treating agent that can stored in the storage chamber (102T) of the tank (102).
[0033] The pump (104) includes an inlet (104A) (as shown in fig. 3A, fig. 3B) introduced into the detergent storing chamber (102T). The pump (104) is mounted to the tank cover (110) and is positioned inside the tank (102). The pump (104) is snap fitted to the pump holder (112). In another first embodiment, the pump (104) can be thread fitted to the pump holder (112). Further, it is also within the scope of the invention to use any other locking means or fasteners to secure the pump (104) to the pump holder (112).
[0034] The stain treating agent applicator (106) is coupled to an outlet (104B) (as shown in fig. 3A and fig. 3B) of the pump (104). The pump (104) is adapted to pump the stain treating agent from the storage chamber (102T) onto a portion of the clothes via the stain treating agent applicator (106) upon pressing the stain treating agent applicator (106) against the pump (104). The stain treating agent applicator (106) includes at least one detergent outlet (106P) (as shown in fig. 3A and fig. 3B) positioned in line to the outlet (104B) of the pump (104) and is adapted to dispense the stain treating agent onto the portion of the cloth upon pressing the stain treating agent applicator (106) against the pump (104).
[0035] The stain rubbing member (108) is adapted to facilitate cleaning of the portion of the cloth upon engaging or rubbing the detergent applied portion of the cloth against the stain rubbing member (108). In the first embodiment, the stain rubbing member (108) is immovably provided on a cabinet top cover (12) of the washing machine (10). For example, the stain rubbing member (108) is located on a hatch portion (12V) of the cabinet top cover (12), where the hatch portion (12V) is located in vicinity of a top opening of a rotary wash tub (14) (as shown in fig. 5A) of the washing machine (10). Further, the hatch portion (12V) of the cabinet top cover (12) is a central flange with opening that allows loading of clothes into the rotary wash tub (14). The hatch portion (12V) (central flange) extends angularly or vertically in a direction towards the top opening of the rotary wash tub (14). In another first embodiment, the stain rubbing member (108) is immovably or movably provided on one of the tank cover (110) or the cabinet top cover (12) of the washing machine (10). The stain rubbing member (108) is an integral part of the cabinet top cover (12) or an integral part of the tank cover (110) or a separate part that is provided onto the cabinet top cover (12) or the tank cover (110). The stain rubbing member (108) includes a plurality of stain rubbing portions (108S) adapted to remove stains on the portion of the cloth upon engaging or rubbing the detergent applied portion of the cloth against the stain rubbing member (108). In the first embodiment, the stain rubbing portions (108S) of the stain rubbing member (108) are considered to be serrations. In another first embodiment, the stain rubbing portions (108S) of the stain rubbing member (108) are considered to be bristles.
[0036] The tank cover (110) is adapted to be mounted onto the tank (102) to a cover a top end of the tank (102). The tank cover (110) is snap fitted to the tank (102). In the first embodiment, the tank cover (110) includes a plurality of snap locking protrusions (110S) (as shown in fig. 4A), wherein each snap locking protrusion (110S) is adapted to be received by a corresponding snap locking groove (102G) (as shown in fig. 4B) defined on the tank (102) thereby snap fitting the tank cover (110) onto the tank (102). In the first embodiment, at least a portion of the tank cover (110) may be made of transparent material such that the level of stain treating agent stored in the storage chamber (102T) is visible to outside. The cabinet top cover (12) includes a notch (12N) (as shown in fig. 2) adapted to allow access to the tank cover (110) for holding and removing the tank cover (110) from the cabinet top cover (12). The pump holder (112) is removably connected to the tank cover (110) thereby removably mounting the pump (104) to the tank cover (110). The pump holder (112) is adapted to hold the pump (104) thereon. The pump holder (112) is connected to the tank cover (110) thereby mounting the pump (104) to the tank cover (110). The pump holder (112) includes a body (112B) and a flange (112F) (as shown in fig. 3B) extending from the body (112B). The body (112B) of the pump holder (112) defines a plurality of external threads (112T) (as shown in fig. 3B) on its outer side and at least two locking collars (112L) (as shown in fig. 3B)on its inner side. The tank cover (110) includes a holder receiving portion (110H) (as shown in fig. 3B) adapted to receive the body (112B) of the pump holder (112) therein. The holder receiving portion (110H) defines a plurality of internal threads (110T) (as shown in fig. 3B) adapted to be engaged with the external threads (112T) of the body (112B) thereby fastening the pump holder (112) to the tank cover (110). The pump (104) includes a locking collar (104L) (as shown in fig. 3B) adapted to be received by a groove (112G) (as shown in fig. 3B) defined in between the locking collars (112L) of the body (112B) thereby locking the pump (104) with the pump holder (112). The flange (112F) of the pump holder (112) is adapted to engage the body (112B) to restrict a movement of the pump holder (112) with respect to the holder receiving portion (110H) of the tank cover (110) when the pump holder (112) is tightened beyond a predefined position.
[0037] In the first embodiment, the system (100) may include a lid (114) (as shown in fig. 6B) for covering a tank receiving portion (12P) (as shown in fig. 1) of the cabinet top cover (12) when the tank (102) along with the pump (104) and tank cover (110) is not installed/ not required on some variants of the washing machine (10).
[0038] Fig. 6 depicts a perspective view of a system (200) for pre-cleaning the clothes in a fully automatic top load washing machine (20), according to second embodiments as disclosed herein. In the second embodiment, the system (200) includes a tank (202), a pump (204), a stain treating applicator (206) and a stain rubbing member (208). The tank (202) includes a storage chamber (202T) adapted to store a stain treating agent therein. For the purpose of this description and ease of understanding, the stain treating agent is considered to be but not limited to a liquid detergent, bleach and the like. In the second embodiment, the tank (202) is removably connected to a cabinet (23) of the washing machine (20) and is located below a cabinet top cover (22) such that the tank (202) can be removed from the cabinet (23) for cleaning the tank (202). For example, the tank (202) includes a plurality of snap locking protrusion (202S) (as shown in fig. 9B), wherein each snap locking protrusion (202S) is adapted to receive a corresponding snap locking opening (not shown) defined on the cabinet top cover (22) thereby snap fitting the tank (202) onto the cabinet top cover (22). The tank (202) is snap fitted to the cabinet (23) from inside of a rotary tub (21) (as shown in fig. 7) of the washing machine (20). In another second embodiment, the tank (202) is provided in the cabinet top cover (22) as a non-removable integral part of the cabinet top cover (22) when cleaning of the tank (202) is not required. The pump (204) is affixed to the cabinet top cover (22). The pump (202) includes an inlet (204A) introduced into the storage chamber (202T) of the tank (202). The stain treating agent applicator (206) is received by the cabinet top cover (22) and is coupled to an outlet (204B) of the pump (204). The pump (204) is adapted to pump the stain treating agent (liquid detergent) from the storage chamber (202T) onto a portion of the clothes via the stain treating agent applicator (206) upon pressing the stain treating agent applicator (206) against the pump (204). The stain treating agent applicator (206) is adapted to facilitate applying of the detergent onto the stained portions of the clothes when the stain treating agent applicator (206) is pressed against the pump (204). The cabinet top cover (22) includes a horizontal divider wall (22H) (as shown in fig. 8A) provided above the storage chamber (202T) of the tank (202). The horizonal divider wall (22H) defines at least one inlet port (22P) (as shown in fig. 8A) adapted to allow the stain treating agent flow into storage chamber (202T) during filling of the stain treating agent into the storage chamber (202T). The pump (204) is affixed to the horizontal divider wall ( 22H) of the cabinet top cover (22). Further, the cabinet top cover (22) includes a vertical divider wall (22V) (as shown in fig. 8A and fig. 9A) provided on the horizontal divider wall (22H). The vertical divider wall ( 22V) of the cabinet top cover (22) is adapted to separate the stain treating agent applicator (206) from the stain rubbing member (208). In the second embodiment, at least a portion of the horizontal divider wall (22H) of the cabinet top cover (22) may be made of transparent material such that the level of stain treating agent stored in the storage chamber (102T) is visible to outside.
[0039] The stain rubbing member (208) is movably or immovably provided on one of the tank (202) or cabinet top cover (22) of the washing machine (20). The stain rubbing member (208) is removably inserted in the cabinet top cover (22) when the stain rubbing member (208) is immovably provided on the cabinet top cover (22). The stain rubbing member (208) is adapted to facilitate cleaning of the portion of the cloth upon engaging or rubbing the stain treating agent applied portion of the cloth against the stain rubbing member (108). The stain rubbing member (208) includes a plurality of stain rubbing portions (208S) (as shown in fig. 8A & 8B) adapted to remove stains on the portion of the cloth upon engaging or rubbing the stain treating agent (detergent) applied portion of the cloth against the stain rubbing member (208). For the purpose of this description and ease of understanding, the stain rubbing portions (208S) of the stain rubbing member (208) is considered to be serrations or bristles.
[0040] In the first and second embodiments, the pump (104, 204) includes a pump housing (104H, 204H), a plunger (104P, 204P), a locking member (104L, 204L), a piston (104Q, 204Q), a spring (104S, 204S) and a first ball (104Y, 204Y), a first ball retainer (not shown) and a second ball (204Z). The plunger housing (104H, 204H) is adapted to house the components of the pump (104, 204). The plunger (104P, 204P) is affixed to the stain treating agent applicator (106, 206) and is movably received inside the locking member (104L, 204L). The locking member (104L, 204L) is affixed to an inner portion of the plunger housing (104H, 204H). The locking member (104L, 204L) is adapted to receive a portion of the stain treating agent applicator (106, 206) therein to facilitate sliding movement of the stain treating agent applicator (106, 206) with the locking member (104L, 204L). One end of the spring (104S, 204S) is connected to the plunger (104P, 204P) and another end of the spring (104S, 204S) is connected to the first ball (104Y, 204Y) via the first ball retainer. The first ball (104Y, 204Y) is provided at a throat section (104HT, 204HT) of the pump housing (104H, 204H). The second ball (204Z) is provided at outlet (104B, 204B) of the pump (104, 204). The inlet (104A, 204A) of the pump (104, 204) is provided on the pump housing (104H, 204H). The outlet (104B, 204B) of the pump (104, 204) is provided on the plunger (104P, 204P). When the user presses the stain treating agent applicator (106, 206), the plunger (104P, 204P) moves in a downward direction to compress the spring (104S, 204S) and when the user releases the stain treating agent applicator (106, 206), the plunger (104P, 204P) moves in an upward direction such that the inlet (104A, 204A) of the pump (104, 204) draws the stain treating agent from the storage chamber (102T, 202T) of the tank (102, 202) into the pump housing (104H, 204H) due to movement of the first ball (104Y, 204Y) away from the throat section (104HT, 204HT). Upon subsequent pressing and releasing of the stain treating agent applicator (106, 206), the stain treating agent flows from the pump housing (104H, 204H) to the outlet (104B, 204B) of the pump (104, 204) and is dispensed onto the clothes via the outlet (106B, 206B) of the detergent applicator (106, 206) due to upward movement of the second ball (204Z).
[0041] In the first and second embodiments, the stain portion of the cloth is manually rubbed against the stationary stain rubbing member (108, 208) for removing the stains accumulated on the clothes. In another first and second embodiments, the stain portion of the cloth is rubbed against a movable stain rubbing member (108, 208) for removing the stains accumulated on the clothes. For example, the systems (100, 200) may include a linear actuator having a final linear movable member adapted to be coupled to stain rubbing member (108, 208). The linear actuator is adapted to linearly move the stain rubbing member (108, 208) to facilitate rubbing of the detergent applied portion of the clothes against the stain rubbing member (108, 208) thereby facilitating removal of stains from the portion of the clothes upon operating the linear actuator. Further, in another first and second embodiments, the system (100, 200) may include a rotary actuator having a rotary shaft adapted to be coupled to the stain rubbing member (108, 208). The rotary actuator is adapted to rotate the stain rubbing member (108, 208) to facilitate rubbing of the detergent applied portion of the clothes against the stain rubbing member (108, 208) thereby facilitating removal of stains from the portion of the clothes upon operating the rotary actuator.
[0042] The technical advantages of the systems (100, 200) for pre-cleaning the clothes are as follows. The systems (100, 200) reduce the time consumed for applying the detergent on the stains and cleaning the stains from the clothes. The system reduces fatigue to user while cleaning the multiple stains from the multiple clothes. The system reduces the washing cycles of the washing machine thereby reducing the power consumption of the washing machine by pre-cleaning the stains from clothes prior to washing the clothes in the washing machine. The system reduces manual labor, soak time and wash time required for cleaning the clothes. The system reduces detergent consumption as well as to prevent detergent spillage.
[0043] The foregoing description of the specific embodiments will so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modifications within the spirit and scope of the embodiments as described herein. ,CLAIMS:We claim:

1. A system (100) for pre-cleaning clothes in a washing machine (10), the system (100) comprising:
a tank (102) having a storage chamber (102T) adapted to store stain treating agent therein;
a pump (104) having an inlet (104A) introduced into the storage chamber (102T) of the tank (102);
a stain treating agent applicator (106) coupled to an outlet (104B) of the pump (104), wherein the pump (104) is adapted to pump the stain treating agent from the storage chamber (102T) onto a portion of the clothes via the stain treating agent applicator (106) upon pressing the stain treating agent applicator (106) against the pump (104); and
a stain rubbing member (108) adapted to facilitate cleaning of the portion of the cloth upon engaging or rubbing the stain treating agent applied portion of the cloth against the stain rubbing member (108).

2. The system (100) as claimed in claim 1, wherein the system (100) includes a tank cover (110) adapted to be mounted onto the tank (102) to a cover a top end of the tank (102), wherein the pump (104) is mounted to the tank cover (110) and is positioned inside the tank (102).
3. The system (100) as claimed in claim 2, wherein the system (100) includes a pump holder (112) adapted to hold the pump (104) thereon, wherein the pump holder (112) is connected to the tank cover (110) thereby mounting the pump (104) to the tank cover (110),
wherein
the stain rubbing member (108) is immovably or movably provided on one of the tank cover (110) or a cabinet top cover (12) of the washing machine (10);
the stain treating agent applicator (106) includes at least one detergent outlet (106P) positioned in line to the outlet (104B) of the pump (104) and is adapted to dispense the stain treating agent onto the stained portion of the cloth upon pressing the stain treating agent applicator (106) against the pump (104).

4. The system (100) as claimed in claim 3, wherein the tank (102) is adapted to be received by a tank receiving portion (12P) defined in the cabinet top cover (12) and is mounted onto the cabinet top cover (12);
the tank (102) includes a plurality of snap locking protrusions (102S), wherein each of the snap locking protrusion (102S) is adapted to be received by a corresponding snap locking groove (12G) defined on the cabinet top cover (12) thereby snap fitting the tank (102) to the cabinet top cover (12);
the pump (104) is snap fitted to the pump holder (112); and
the pump holder (112) is removably connected to the tank cover (110) thereby removably mounting the pump (104) to the tank cover (110).

5. The system (100) as claimed in claim 3, wherein the pump holder (112) includes,
a body (112B) defines a plurality of external threads (112T) on its outer side and at least two locking collars (112L) on its inner side; and
a flange (112F) extending from the body (112B),
wherein
the tank cover (110) includes a holder receiving portion (110H) adapted to receive the body (112B) of the pump holder (112) therein;
the holder receiving portion (110H) defines a plurality of internal threads (110T) adapted to be engaged with the external threads (112T) of the body (112B) thereby fastening the pump holder (112) to the tank cover (110);
the pump (104) includes a locking collar (104L) adapted to be received by a groove (112G) defined in between the locking collars (112L) of the body (112B) thereby locking the pump (104) with the pump holder (112); and
the flange (112F) of the pump holder (112) is adapted to engage the body (112B) to restrict a movement of the pump holder (112) with respect to the holder receiving portion (110H) of the tank cover (110) when the pump holder (112) is tightened beyond a predefined position.

6. The system (100) as claimed in claim 1, wherein the system (100) includes a linear actuator having a final linear movable member adapted to be coupled to stain rubbing member (108),
wherein
the linear actuator is adapted to linearly move the stain rubbing member (108) to facilitate rubbing of the detergent applied portion of the clothes against the stain rubbing member (108) thereby facilitating removal of stains from the portion of the clothes upon operating the linear actuator.

7. The system (100) as claimed in claim 1, wherein the system (100) includes a rotary actuator having a rotary shaft adapted to be coupled to the stain rubbing member (108),
wherein
the rotary actuator is adapted to rotate the stain rubbing member (108) to facilitate rubbing of the detergent applied portion of the clothes against the stain rubbing member (108) thereby facilitating removal of stains from the portion of the clothes upon operating the rotary actuator.
8. The system (100) as claimed in claim 1, wherein the stain rubbing member (108) is an integral part of the cabinet top cover (12) or an integral part of the tank cover (110) or a separate part that is provided onto the cabinet top cover (12) or the tank cover (110);
the stain rubbing member (108) includes a plurality of stain rubbing portions (108S) adapted to remove stains on the portion of the cloth upon engaging or rubbing the detergent applied portion of the cloth against the stain rubbing member (108); and
the stain rubbing portions (108S) are serrations or bristles.

9. The system (100) as claimed in claim 3, wherein the stain rubbing member (108) is located on a hatch portion (12V) of the cabinet top cover (12), where the hatch portion (12V) is located in vicinity of a top opening of a rotary wash tub (14) of the washing machine (10);
the tank cover (110) is made of transparent material such that the level of stain treating agent stored in the storage chamber (102T) is visible to outside;
the tank cover (110) includes a plurality of snap locking protrusions (110S), wherein each snap locking protrusion (110S) is adapted to be received by a corresponding snap locking groove (102G) defined on the tank (102) thereby snap fitting the tank cover (110) onto the tank (102); and
the cabinet top cover (12) includes a notch (12N) adapted to allow access to the tank cover (110) for holding and removing the tank cover (110) from the cabinet top cover (12).

10. A system (200) for pre-cleaning clothes in a washing machine (20), the system (200) comprising:
a tank (202) having a storage chamber (202T) adapted to store a stain treating agent therein;
a pump (204) affixed to a cabinet top cover (22) of the washing machine (20), wherein the pump (202) having an inlet (204A) introduced into the detergent storing chamber (202T) of the tank (202);
a stain treating agent applicator (206) is movably received by the cabinet top cover (22) and is coupled onto an outlet (204B) of the pump (204), wherein the pump (204) is adapted to pump the stain treating agent from the storage chamber (202T) onto a portion of the clothes via the stain treating agent applicator (206) upon pressing the stain treating agent applicator (206) against the pump (204); and
a stain rubbing member (208) movably or immovably provided on the cabinet top cover (22) of the washing machine (20), wherein the stain rubbing member (208) is adapted to facilitate cleaning of the portion of the cloth upon engaging or rubbing the stain treating agent applied portion of the cloth against the stain rubbing member (108).

11. The system (200) as claimed in claim 10, wherein the cabinet top cover (22) includes a horizontal divider wall (22H) provided above the detergent storing chamber (202T), wherein horizonal divider wall (22H) defines at least one inlet port (202P) adapted to allow the stain treating agent flow into storage chamber (202T) during filling of the stain treating agent into the storage chamber (202T),
wherein
the pump (204) is affixed to the horizontal divider wall (22H) of the cabinet top cover (22).

12. The system (200) as claimed in claim 11, wherein the cabinet top cover (22) includes a vertical divider wall (22V) provided on the horizontal divider wall (22H), wherein the vertical divider wall (22V) is adapted to separate the stain treating agent applicator (206) from the stain rubbing member (208);
at least a portion of the horizontal divider wall (22H) is made of transparent material such that the level of stain treating agent stored in the storage chamber (202T) is visible to outside;
the tank (202) is provided in the cabinet top cover (22), or the tank (202) is provided in a cabinet (23) of the washing machine (20) and is located below the cabinet top cover (22); and
the stain treating agent applicator (206) is adapted to facilitate applying of the stain treating agent onto the stained portions of the clothes when the stain treating agent applicator (206) is pressed against the pump (204).

13. The system (200) as claimed in claim 12, wherein the stain rubbing member (208) includes a plurality of stain rubbing portions (208S) adapted to remove stains on the portion of the cloth upon engaging or rubbing the detergent applied portion of the cloth against the stain rubbing member (208);
the stain rubbing portions (208S) are serrations or bristles;
the tank (202) includes a plurality of snap locking protrusions (202), wherein each snap locking protrusion (202S) is adapted to receive a corresponding snap locking opening (not shown) defined on the cabinet top cover (22) thereby snap fitting the tank (202) onto the cabinet top cover (22);
the tank (202) is removably connected to a cabinet (23) of the washing machine (20) in which the tank (202) is snap fitted to the cabinet (23) from inside of a rotary tub (21) of the washing machine (20) such that the tank (202) can be removed from the cabinet (23) for cleaning the tank (202) when the tank (202) is provided in the cabinet (23); and
the tank (202) is provided in the cabinet top cover (22) as a non-removable integral part of the cabinet top cover (22) when cleaning of the tank (202) is not required if the tank (202) is provided in the cabinet top cover (22).
14. The system (200) as claimed in claim 10, wherein the system (200) includes a linear actuator having a final linear movable member adapted to be coupled to stain rubbing member (208),
wherein
the linear actuator is adapted to linearly move the stain rubbing member (208) to facilitate rubbing of the detergent applied portion of the clothes against the stain rubbing member (208) thereby facilitating removal of stains from the portion of the clothes upon operating the linear actuator.

15. The system (200) as claimed in claim 10, wherein the system (200) includes a rotary actuator having a rotary shaft adapted to be coupled to the stain rubbing member (208),
wherein
the rotary actuator is adapted to rotate the stain rubbing member (208) to facilitate rubbing of the detergent applied portion of the clothes against the stain rubbing member (208) thereby facilitating removal of stains from the portion of the clothes upon operating the rotary actuator.