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Magnet Insertion Fixture

Abstract: The present disclosure relates to a special purpose fixture. In particular, the present disclosure relates to a fixture for inserting a plurality of magnets into the head of an ignition key. In an embodiment, a magnet insertion fixture (100) (interchangeably referred to as fixture) is disclosed. The fixture may include a horizontally arranged slider assembly (10), a key locator (20), ignition key (30), a base plate (40), a plurality of L shaped brackets (50), a vertically arranged pusher assembly (60), a plurality of columns (70). [Fig 1]

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
22 March 2017
Publication Number
39/2018
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
ipo@knspartners.com
Parent Application

Applicants

MINDA CORPORATION LIMITED
D 6-11, Sector 59, Distt. G.B. Nagar, Noida, Uttar Pradesh, Pin-201301, India

Inventors

1. AJAY SHARMA
C/o MINDA CORPORATION LIMITED, D 6-11, Sector 59, Distt. G.B. Nagar, Noida, Uttar Pradesh, Pin-201301, India;
2. SANJIV GULATI
C/o MINDA CORPORATION LIMITED, D 6-11, Sector 59, Noida, Uttar Pradesh, Pin-201301, India;
3. GIRISH KUMAR
C/o MINDA CORPORATION LIMITED, D 6-11, Sector 59, Noida, Uttar Pradesh, Pin-201301, India;

Specification

TECHNICAL FIELD
The present disclosure relates to a special purpose fixture. In particular, the present disclosure relates to a fixture for inserting a plurality of magnets into the head of an ignition key.
BACKGROUND
Conventionally, in a vehicle such as a motorcycle, a mechanism is employed over a cylinder lock to prevent vehicle theft. The mechanism, protects an ignition switch key hole of the cylinder lock. The mechanism comprises of a casing having a shutter member, operatively housed so as to open and close the key hole of the cylinder lock. The shutter member can be operated manually from an insertion hole, corresponding to the key hole of the cylinder lock. The shutter member can be operated by means of a magnet lock acceptable with a magnetic key. To open or close the key hole, the magnetic key is placed into the insertion hole. Then the magnet lock accepts the magnetic key and with the rotation of the magnetic key the shutter opens or closes.
In general, the magnet key is in form of a plurality of magnets mounted into a plastic head disposed over the bow of an ignition key. The head of the ignition key consists of four pin holes. Such that three holes are inserted with magnets and one hole is left empty. The empty hole can be created by a combination of the laying sequence of magnetic pin. Further, as the magnets have two poles (North and South), there can be 24 different ways in which the magnets can be inserted into the head of key. Each different way of inserting magnets to the head corresponds to a specific magnetic code. To reduce operation time, and to increase productivity and efficiency of inserting magnets (based on the code) into the head of the key, there is a need to develop a special purpose fixture.
SUMMARY OF THE DISCLOSURE
One or more shortcomings of conventional assemblies are overcome, and additional advantages are provided through the provision of the magnet insertion fixture and method for disposing magnets in key as defined in the present disclosure.

Additional features and advantages are realized through the techniques of the present disclosure. Other embodiments and aspects of the disclosure are described in detail herein and are considered a part of the present disclosure.
Accordingly, a magnet insertion fixture is disclosed. The magnet insertion fixture comprises a horizontal slider assembly. The slider assembly comprises a slider with a rectangular plate which has a front wall and a rear wall and linear guider way wherein the slider disposes the linear guider way in between the front wall and the rear wall. A guide block disposed over the linear guide way wherein the guide block is connected with a piston of a pneumatic cylinder such that the actuation of the piston causes horizontally reciprocating movement of the guide block along the direction of the guide way. A key locator mounted over the guide block wherein the key locator has a provision to locate and clamp an ignition key in a required orientation. A clamping element disposed over the key locator rigidly clamp an ignition key. A base plate comprising an upper surface and a bottom side wherein the upper surface has a plurality of grooves to receive plurality of magnets feeding unit; the base plate further comprising a counter bore hole on a center of the bottom side of the base plate wherein the counter bore hole is provided to affix an iron core. A pair of indicators mounted on the base plate corresponding to each feeding unit. A bracket with a L-shape configuration comprising a horizontal and a vertical leg wherein the horizontal leg forms a base of the bracket and the vertical leg is adapted to allow the base plate to mount over the bracket. A vertical pusher assembly comprising a plurality of pushing pins, a punch, a plurality of guide pins, bushings, an upper plate and a pneumatic cylinder wherein the pusher assembly is assembled to the base plate by a plurality of columns such that the pushing pins aligns exactly with a pin holes of the ignition key.
In an embodiment, the key locator is a rectangular block mounted over the guide block.
In an embodiment, the base plate is formed on a circular disk having two equal and opposing sectors cut away so that two equal and opposing pie-shaped portions remain.

In an embodiment, the indicators deliver light as a resource for indication and operation management of the fixture.
In an embodiment, the magnets feeding unit comprises a slot which facilitates for inserting a magnet magazine.
In an embodiment, when the magazine filled with magnets is inserted into the slot of feeding unit, the magnets gets attracted to the iron core as the slot is in line and exposed to the iron core.
In an embodiment, the brackets and the base plate are mounted perpendicularly over the slider assembly such that the apertures on the base plate match exactly in line with pin holes on head of the ignition key clamped to the key locator.
In an embodiment, the clamping element may be mechanically or hydraulically or pneumatically or electrically operated.
In an embodiment, wherein when the pneumatic cylinder is actuated, the piston pushes a punch with a required amount of force which in turn pushes pushing pins.
In a further embodiment, a method of disposing magnets in pin holes on a head of the ignition key by use of magnet insertion fixture is disclosed. The method comprises, depending upon the indicators, the magnets being fed in the form of magnet magazine and inserted in corresponding feeding units. An ignition key being located and clamped in the key locator. The horizontal pneumatic cylinder being actuated which causes the key locator to translate from the front wall to align with apertures of the base plate with the four pin holes of the ignition key. The vertical pneumatic cylinder being actuated, which pushes the pusher pins over the magnets attracted to the iron core. The magnets getting disposed into the corresponding pin holes on the head of the ignition key.
It is to be understood that the aspects and embodiments of the disclosure described above may be used in any combination with each other. Several of the aspects and

embodiments may be combined together to form a further embodiment of the
disclosure.
The foregoing summary is illustrative only and is not intended to be in any way 5 limiting. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features will become apparent by reference to the drawings and the following detailed description.
BRIEF DESCRIPTION OF THE DRAWINGS
10 The novel features and characteristics of the disclosure are set forth in the appended claims. The disclosure itself, however, as well as a preferred mode of use, further objectives and advantages thereof, will best be understood by reference to the following detailed description of an illustrative embodiment when read in conjunction with the accompanying drawings. One or more embodiments are now described, by
15 way of example only, with reference to the accompanying drawings wherein like reference numerals represent like elements and in which:
Figure 1 illustrates a front view of the magnet insertion fixture in accordance with an embodiment of the present disclosure.
Figure 2 illustrates a perspective view of the magnet insertion fixture in accordance 20 with an embodiment of the present disclosure.
Figure 3 illustrates a top view of the magnet insertion fixture in accordance with an embodiment of the present disclosure.
Figure 4 illustrates a cross sectional view of the magnet insertion fixture in accordance with an embodiment of the present disclosure.
25 The accompanying drawings depict embodiments of the disclosure for purposes of illustration only. One skilled in the art will readily recognize from the following description that alternative embodiments of the structure illustrated herein may be employed without departing from the principles of the disclosure described herein.
30 DETAILED DESCRIPTION
While the embodiments in the disclosure are subject to various modifications and alternative forms, specific embodiment thereof has been shown by way of example in the figures and will be described below. It should be understood, however, that it is
5

not intended to limit the disclosure to the particular form disclosed, but on the contrary, the disclosure is to cover all modifications, equivalents, and alternatives falling within the scope of the disclosure.
5 It is to be noted that a person skilled in the art would be motivated from the present disclosure and modify the magnet insertion fixture and method for disposing magnets in key, which may vary from one application to another. However, such modifications should be construed within the scope of the disclosure. Accordingly, the drawings show only those specific details that are pertinent to understand the 10 embodiments of the present disclosure, so as not to obscure the disclosure with details that will be readily apparent to those of ordinary skill in the art having benefit of the description herein.
The following paragraphs describe the present disclosure with reference to Figures 1 15 to 4. In the figures the same element or elements which have same functions are indicated by the same reference numerals.
Referring to FIG. 1 to FIG. 4, a magnet insertion fixture 100 (interchangeably referred to as fixture) may include a horizontally arranged slider assembly 10, a key locator 20 20, ignition key 30, a base plate 40, a plurality of L shaped brackets 50, a vertically arranged pusher assembly 60, a plurality of columns 70.
The horizontally arranged slider assembly 10 may comprise of a slider 11, a linear guide way 12, a guide block 13 and a horizontal pneumatic cylinder 14. The slider 11 is a rectangular plate with a front wall 1 la and a rear wall 1 lb, such that the slider 11
25 disposes the linear guider way 12 in between the walls 11a, lib. The slider 11 is mounted on a platform or work bench. The guide block 13 is slide-ably disposed over the linear guide way 12. The pneumatic cylinder 14 is affixed to the rear wall lib and the rear wall 11 has a provision to allow reciprocating movement of the piston of pneumatic cylinder 14. The guide block 13 is connected with the piston of the
30 pneumatic cylinder 14. Such that, the actuation of the piston of pneumatic cylinder 14 causes horizontally reciprocating movement of the guide block 13 along the direction of the guide way 12. The guide block 13 initially is positioned near the front wall 11a
6

and after actuation of the pneumatic cylinder 14, the guide block is pulled towards the center of guide ways.
The ignition key 30 comprises of a head 31 and a blade 32 portion. The head 31 is a plastic member disposed over the bow of the ignition key 30. The head 31 has four 5 pin holes (not shown in the figure) to accommodate magnets 80. The key locator 20 is rectangular block mounted over the guide block 13. The key locator 20 has a provision to locate and clamp the ignition key 30 in a required orientation, such that the pin holes on the ignition key 30 are positioned vertically. A clamping element 21 is disposed over the key locator 20 to rigidly clamp the ignition key 30. The clamping 10 element 21 may be mechanically or hydraulically or pneumatically or electrically operated.
The base plate 40 is preferably formed on a circular disk, having two equal and opposing and sectors cut away so that two equal and opposing pie-shaped portions 41 and 42 remain. The base plate 40 has four grooves (not shown in figures) over the
15 upper surface of the base plate to receive four magnets feeding unit 43. The magnets feeding unit 43 (interchangeably referred to as feeding unit) are non-ferrous rectangular block with a slot on the top surface. The slot on the feeding unit 43, facilitates a mean for inserting a magnet magazine 44. The magnet magazine 44 (interchangeably referred to as magazine) functions as a buffer and feeding of a
20 plurality of magnets 80. The magazine 44 is removably inserted into the feeding unit 43. The center of base plate 40 has four apertures arranged in correspondence with the arrangement of four pin holes on the head 31 of ignition key 30.
The base plate 40 further includes a counter bore hole on the center of bottom side of the base plate 40. The counter bore hole is provided to affix an iron core 45 as shown
25 in Fig 4. The iron core 45 is a ferrous material, machined into a stepped cylinder with two different diameters. The iron core has four apertures at the center, arranged in correspondence with the arrangement of four pin holes on the head 31 of ignition key 30. The four apertures on the iron core are exposed towards the outer surface of smaller diameter cylinder. The iron core is affixed to the base plate in such a manner
30 that the four apertures exposed on the iron core are in line with the slot on the feeding unit 43. When a magazine 44 filled with magnets 80 is inserted into the slot of feeding unit 43, the magnets 80 gets attracted to the iron core as the slot is in line and exposed
7

to the iron core. This attraction causes the movement of magnets 80 stored in the magazine towards the aperture of base plate 40.
An embodiment of the present disclosure may disclose indicators 46 for delivering light as a resource for indication and operation management of the fixture 100. Two 5 indicators 46 may be mounted over the base plate 40 corresponding to each feeding unit 43. Such that, the indicators 46 are utilized to display which pole of the magnet is to be fed into the feeding unit 43 of the fixture 100. The indicator 46 may be LED or non-LED based, or a combination of both. The indicators 46 are connected to a human-machine interface (HMI), such that the indicators 46 functions corresponding 10 to a specific magnetic code. The specific magnetic code relates to the way of inserting magnets 80 into the four pin holes on the head 31 of ignition key 30.
The bracket 50 is of L shape configuration with a horizontal 51 and vertical 52 leg. The horizontal leg 51 forms the base of the bracket 50, which has provisions to secure and fasten the bracket 50 with the work bench or platform. Whereas the vertical leg
15 52 is adapted to allow the base plate 40 to mount over the bracket 50. In an embodiment, the base plate 40 is mounted over two brackets 50, one bracket 50 below each pie-shaped portion 41 and 42 as shown in FIG. 2 and 3. The brackets 50 and the base plate 40 are mounted perpendicularly above the slider assembly 10 such that the apertures on the base plate 40 match exactly in line with the four pin holes on the
20 head 31 of ignition key 30 clamped to the key locator 20.
The vertically arranged pusher assembly 60 comprises of a plurality of pushing pins 61, a punch 62, a plurality of guide pins 63, bushings 64, an upper plate 65, and a pneumatic cylinder 66. Four pushing pins 61 are usually mounted to the punch 62 and the punch 62 is in turn engaged with the piston of pneumatic cylinder 66, The upper
25 plate 65 supports the pneumatic cylinder 66, and has a provision for the movement of the piston. Guide means preferably in a form of guide pins 63 and bushings 64 interconnect the upper plate 65 and the punch 62. The bushings 64 are rigidly mounted on apertures bored on the upper plate 65 to precisely allow the reciprocation of the guide pins 63 mounted to the punch 62. The entire pusher assembly 60 is
30 assembled to the base plate 40 by a plurality of columns 70, such that the pushing pins 61 aligns exactly with the four pin holes on the head 31 of ignition key 30. When the pneumatic cylinder 66 is actuated, the piston pushes the punch 62 with a required
8

amount of force, which in turn pushes pushing pins 61. Therefore, the pushing pins 61, pushes the magnets 80 attracted to the iron core 45 of the base plate 40 into four pin holes on the head 31 of ignition key 30.
5 The working of the fixture 100 is described as following. Firstly, depending upon the indicators 46, the operator feeds the magnets 80 in the form of magnet magazine 44 and then inserted into the corresponding feeding units 43. The pole of the magnet 80 which must face upwards is decided by operators based on the indicators 46. When a magnet magazine 44 comprising of magnets 80 is inserted into the slot of feeding unit
10 43, the magnets 80 gets attracted to the iron core as the slot is in line and exposed to the iron core. Secondly, an ignition key 30 is located and clamped into the key locator 40. Then, the horizontal pneumatic cylinder 14 is actuated which causes the key locator 40 to translate from the front wall 11a to align with the four apertures in the center of base plate 40 with the four pin holes on the head 31 of ignition key 30.
15 Further, the vertical pneumatic cylinder 66 is actuated, which pushes the pusher pins 61 over the magnets attracted to the iron core 45. Upon pushing the magnets 80 attracted to the iron core 45, the magnets 80 gets disposed into the corresponding four pin holes on the head 31 of ignition key 30. Then, the pusher pins 61 retracts back to initial position and a new set of magnets 80 gets attracted to the iron core 45 and the
20 operation cycle continues.
Further, various modifications and variations may be made without departing from the scope of the present invention. Therefore, it is intended that the present disclosure covers such modifications and variations provided they come within the ambit of the appended claims and their equivalents.
9

EQUIVALENTS:
With respect to the use of substantially any plural and/or singular terms herein, those having skill in the art can translate from the plural to the singular and/or from the singular to the plural as is appropriate to the context and/or application. The various singular/plural permutations may be expressly set forth herein for sake of clarity.
It will be understood by those within the art that, in general, terms used herein, and especially in the appended claims (e.g., bodies of the appended claims) are generally intended as "open" terms (e.g., the term "including" should be interpreted as "including but not limited to," the term "having" should be interpreted as "having at least," the term "includes" should be interpreted as "includes but is not limited to," etc.). It will be further understood by those within the art that if a specific number of an introduced claim recitation is intended, such an intent will be explicitly recited in the claim, and in the absence of such recitation no such intent is present. For example, as an aid to understanding, the following appended claims may contain usage of the introductory phrases "at least one" and "one or more" to introduce claim recitations. However, the use of such phrases should not be construed to imply that the introduction of a claim recitation by the indefinite articles "a" or "an" limits any particular claim containing such introduced claim recitation to inventions containing only one such recitation, even when the same claim includes the introductory phrases "one or more" or "at least one" and indefinite articles such as "a" or "an" (e.g., "a" and/or "an" should typically be interpreted to mean "at least one" or "one or more"); the same holds true for the use of definite articles used to introduce claim recitations. In addition, even if a specific number of an introduced claim recitation is explicitly recited, those skilled in the art will recognize that such recitation should typically be interpreted to mean at least the recited number (e.g., the bare recitation of "two recitations," without other modifiers, typically means at least two recitations, or two or more recitations). Furthermore, in those instances where a convention analogous to "at least one of A, B, and C, etc." is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (e.g., "a system having at least one of A, B, and C" would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). In those instances where a convention analogous to "at least one of A, B, or C, etc." is used, in general such a construction is

intended in the sense one having skill in the art would understand the convention (e.g., "a system having at least one of A, B, or C" would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). It will be further understood by those within the art that virtually any disjunctive word and/or phrase presenting two or more alternative terms, whether in the description, claims, or drawings, should be understood to contemplate the possibilities of including one of the terms, either of the terms, or both terms. For example, the phrase "A or B" will be understood to include the possibilities of "A" or "B" or "A and B."
While various aspects and embodiments have been disclosed herein, other aspects and embodiments will be apparent to those skilled in the art. The various aspects and embodiments disclosed herein are for purposes of illustration and are not intended to be limiting, with the true scope and spirit being indicated by the following claims.

LIST OF REFERENCE NUMERALS
Magnet insertion fixture 100
Slider assembly 10
Slider 11
Front wall 11a
Rear wall lib
Guideways 12
Guide block 13
Horizontal Pneumatic cylinder 14
Key locator 20
Clamping element 21
Ignition key 30
Head 31
Blade 32
Base plate 40
Pie shaped portions 41, 42
Magnetic feeding unit 43
Magnet magazine (Many magnets in a line stuck to each other) 44
Iron core 45
Indicator 46
L shaped bracket 50
Horizontal leg 51
Vertical leg 52
Pusher assembly 60
Pushing pins 61
Punch 62
Guide pins 63
Bushings 64
Upper plate 65
Vertical pneumatic cylinder 66
Columns 70
Magnets 80


We Claim:
1. A magnet insertion fixture (100) comprising:
a slider assembly (10) comprising;
a slider (11) with a rectangular plate having a front wall (11a) and a rear wall (lib);
a linear guider way (12) wherein the slider (11) disposes the linear guider way (12) in between the front wall (11a) and the rear wall (lib);
a guide block (13) disposed over the linear guide way (12) wherein the guide block (13) is connected with a piston of a pneumatic cylinder (14) such that the actuation of the piston causes horizontally reciprocating movement of the guide block (13) along the direction of the guide way (12);
a key locator (20) mounted over the guide block (13) wherein the key locator (20) has a provision to locate and clamp an ignition key in a required orientation;
a clamping element (21) disposed over the key locator rigidly clamp an ignition key;
a base plate (40) comprising an upper surface and a bottom side wherein the upper surface has a plurality of grooves to receive plurality of magnets feeding unit; the base plate (40) further comprising;
a counter bore hole on a center of the bottom side of the base plate (40) wherein the counter bore hole is provided to affix an iron core;
a pair of indicators (46) mounted on the base plate corresponding to each feeding unit;
a bracket with a L-shape configuration comprising a horizontal (51) and a vertical leg (52) wherein the horizontal leg (51) forms a base of the bracket

and the vertical leg (52) is adapted to allow the base plate to mount over the bracket;
a vertical pusher assembly (60) comprising a plurality of pushing pins (61), a punch (62), a plurality of guide pins (63), bushings (64), an upper plate (65) and a pneumatic cylinder (66) wherein the pusher assembly is assembled to the base plate (60) by a plurality of columns (70) such that the pushing pins (61) aligns exactly with a pin holes of the ignition key.
2. The magnet insertion fixture (100) as claimed in claim 1, wherein the key locator (20) is a rectangular block mounted over the guide block (13).
3. The magnet insertion fixture (100) as claimed in claim 1, wherein the base plate is formed on a circular disk having two equal and opposing sectors cut away so that two equal and opposing pie-shaped portions (41, 42) remain.
4. The magnet insertion fixture (100) as claimed in claim 1, wherein the indicators (46) deliver light as a resource for indication and operation management of the fixture (100).
5. The magnet insertion fixture (100) as claimed in claim 1, wherein the magnets feeding unit (43) comprises a slot which facilitates for inserting a magnet magazine.
6. The magnet insertion fixture (100) as claimed in claim 5, wherein when the magazine filled with magnets is inserted into the slot of feeding unit, the magnets (80) gets attracted to the iron core as the slot is in line and exposed to the iron core.
7. The magnet insertion fixture (100) as claimed in claim 1, wherein the brackets and the base plate are mounted perpendicularly over the slider assembly such that the apertures on the base plate match exactly in line with pin holes on head of the ignition key clamped to the key locator.
8. The magnet insertion fixture (100) as claimed in claim 1, wherein the clamping element may be mechanically or hydraulically or pneumatically or electrically operated.

9. The magnet insertion fixture (100) as claimed in claim 1, wherein when the
pneumatic cylinder is actuated, the piston pushes a punch with a required
amount of force which in turn pushes pushing pins.
10. A method of disposing magnets in pin holes on a head of the ignition key
by use of magnet insertion fixture (100) as claimed in claims 1 to 9; the
method comprising;
firstly depending upon the indicators, the magnets being fed in the form of magnet magazine and inserted in corresponding feeding units;
secondly an ignition key being located and clamped in the key locator;
thirdly, the horizontal pneumatic cylinder being actuated which causes the key locator to translate from the front wall to align with apertures of the base plate with the four pin holes of the ignition key;
fourthly, the vertical pneumatic cylinder being actuated, which pushes the pusher pins over the magnets attracted to the iron core;
further, the magnets getting disposed into the corresponding pin holes on the head of the ignition key.

Documents

Application Documents

# Name Date
1 Form 5 [22-03-2017(online)].pdf 2017-03-22
2 Form 3 [22-03-2017(online)].pdf 2017-03-22
3 Form 1 [22-03-2017(online)].pdf 2017-03-22
4 Drawing [22-03-2017(online)].pdf 2017-03-22
5 Description(Provisional) [22-03-2017(online)].pdf 2017-03-22
6 Other Patent Document [04-05-2017(online)].pdf 2017-05-04
7 201711010005-OTHERS-090517.pdf 2017-05-12
8 201711010005-Correspondence-090517.pdf 2017-05-12
9 abstract.jpg 2017-05-25
10 Form 26 [22-06-2017(online)].pdf 2017-06-22
11 201711010005-DRAWING [21-03-2018(online)].pdf 2018-03-21
12 201711010005-COMPLETE SPECIFICATION [21-03-2018(online)].pdf 2018-03-21
13 201711010005-FORM 18 [22-03-2018(online)].pdf 2018-03-22
14 201711010005-FER.pdf 2019-12-11

Search Strategy

1 2019-10-1417-58-11ss_14-10-2019.pdf