FIELD OF INVENTION:

[001] The present subject matter described herein generally relates to a drill bit removal kit and, in particularly, to a drill bit removal kit comprising of a drill bit holder.
BACKGROUND AND PRIOR ART AND PROBLEM IN PRIOR ART:
[002] Drill bits are well known tools for cutting or boring holes in a wide variety of materials. Amongst the well-known drill bits, twist drill bit (TDB) and helical shaft auger type bit (HSATB) have one or more cutting edges mounted on one end of an elongated cylindrical shaft of uniform diameter. The elongated cylindrical shaft maintains the orientation of the cutting edges in the hole produced to generate a straight bore. Once the twist or helical auger drill bit completes cutting the hole, it is easily withdrawn because the elongated cylindrical shaft is in contact with the interior surface of the bore guides the drill bit removal therefrom.
[003] Another available variety of drill bit is for cutting holes in materials, including sheet material, up to several inches thick. This variety is also referred to as a hole bit, a hole boring tool, a Forstner bit, or a Selfeed bit. The hole bit has one or more cutting edges on one end of a relatively short cylinder with an opening ahead of the cutting edge to remove cutting chips. A shank or shaft of smaller diameter than the short cylinder is fastened opposite the cutting edges for attachment to the chuck of a drill. Hole bits are available having a cylinderical diameter of up to 6 inches and even larger. The hole bit also may employ cutting teeth around the circumference of the cutting cylinder in addition to the cutting edges on a cutting face of the cylinder. In addition, a penetrating spike in the center of the cutting face may be present to hold the hole bit at a specific location during the cutting of a hole.
[004] The hole saw cutting tool is similar in construction to the hole bit. The hole saw has no cutting edges on the cylinder end. The saw tool has only cutting teeth around the circumference of the cutting cylinder and a penetrating spike in the center of the cutting face to hold the hole saw at a specific location during the cutting or sawing of a hole. The hole saw cutting tool has no opening to remove the cut-out plug from the produced hole, and thus the saw tool is generally limited to use on sheet material work pieces up to several inches thick.
[005] When using the above-described hole bit or hole saw for cutting holes in materials, including sheet material up to several inches thick, withdrawal of the hole bit or hole saw from the cut hole can be difficult, particularly for a larger diameter hole bit or hole saw. Once the short cylindrical cutting portion of the tool moves through the cut hole, the operator must perfectly align the cutting cylinder in the cut hole to withdraw the hole bit or hole saw. This is time consuming and impedes the cutting of multiple holes as may be needed in a production facility.
[006] Some examples of innovative devices used for drilling or cutting holes are disclosed by the following patents. Harding, in U.S. Pat. No. 2,344,143, discloses a twist drill bit fitted with a countersink and depth gauge. Moore et al., in U.S. Pat. No. 3,182,531, describe a reamer of uniform diameter. In U.S. Pat. No. 3,199,382, Andreasson discloses a drill bit with a hollow shank for cooling fluid, and a reaming insert of hard material. The whole device is of essentially uniform diameter.
[007] In U.S. Pat. No. 3,778,180, Ostrom discloses a twist drill with a larger diameter shank for use in drilling printed circuit boards. Tanner et al., in U.S. Pat. No. 3,806,270, describe a fluted twist drill bit with a head part of greater diameter than the body part. The drill bit fits into a tubular drill stem that delivers a fluid for flushing away cuttings from the hole. U.S. Pat. No. 3,945,753 by Byers et al. discloses a drill bit with detachable blades and shank, the shank having a much smaller diameter than the diameter of the drill bit.
[008] Walton, II, in U.S. Pat. No. 4,239,427, and Timmons, in U.S. Pat. No. 4,244,667, disclose a boring tool with several small triangular shaped supports between a circular drill bit and a connecting holder for the drill bit shank. In U.S. Pat. No. 5,092,719, Zsiger describes a drilling/cutting tool with a single or double spiral shank to assist in removal of chips during the cutting/drilling process. The spiral shank is decidedly smaller than the diameter of the hole produced.
[009] In U.S. Pat. No. 3,645,642, Koslow describes a drill bit with a twist bit cutting end that has a progressively increasing diameter extending from a cutting end of small diameter to a rearward section of largest diameter, then tapering to a shank section of smaller diameter. The tapered drill bit prevents binding when drilling deep holes. In U.S. Pat. No. 4,189,266, Koslow describes a four-fluted tapered drill bit having a cutting section of increasing diameter connected to a section of decreasing diameter. This is connected to a shank for mounting the bit in a power drill.
[0010] The information disclosed in this background of the disclosure section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
OBJECTS OF THE INVENTION:
[0011] It is therefore the object of the invention to overcome the aforementioned and other drawbacks in prior method/product/apparatus.
[0012] A general object of the present subject matter is to provide a drill bit removal kit to remove the drill bit from the drilling machine.
[0013] Another object of the present subject matter is to provide a drill bit removal kit to remove the drill bit from the drilling machine without damaging the tip of the drill bit.
[0014] Another object of the present subject matter is to provide a drill bit removal kit to remove the drill bit from the drilling machine using a motor.
[0015] Yet another object of the present subject matter is to a drill bit removal kit to remove the drill bit from the drilling machine using minimal efforts.
[0016] These and other objects and advantages of the present subject matter will be apparent to a person skilled in the art after consideration of the following detailed description taken into consideration with accompanying drawings in which preferred embodiments of the present subject matter are illustrated.
SUMMARY OF THE INVENTION:
[0017] The present subject matter relates to a new drill bit removal kit to overcome the drawbacks of the prior arts. Additional features and advantages are realized through the technicalities of the present disclosure. Other embodiments and aspects of the disclosure are described in detail herein and are considered to be a part of the claimed disclosure.
[0018] The present subject matter relates to a new drill bit removal kit to remove the drill bit from the drilling machine. The drill bit removal kit according to the present invention comprises of a base plate which is connected to an inclined plate at one end, with a housing in between the inclined plate and the base plate. The housing is configured to house a motor. A drill bit holder is such configured to complement shape of a drill bit and hold, the shaft of the motor. The motor is being coupled with a planetary gear arrangement. The planetary gear arrangement is such that it converts the high RPM and low Torque of the motor to low RPM and high Torque. The planetary gear arrangement is further coupled to the drill bit holder.
[0019] 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 to form a further embodiment of the disclosure.
[0020] The foregoing summary is illustrative only and is not intended to be in any way 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
[0021] It is to be noted, however, that the appended drawings illustrate only typical embodiments of the present subject matter and are therefore not to be considered for limiting of its scope, for the invention may admit to other equally effective embodiments. The detailed description is described with reference to the accompanying figures. In the figures, a reference number identifies the figure in which the reference number first appears. The same numbers are used throughout the figures to reference like features and components. Some embodiments of system or methods or structure in accordance with embodiments of the present subject matter are now described, by way of example, and with reference to the accompanying figures, in which:
[0022] Fig. 1 illustrates the perspective view of the drill bit removal kit according to the present invention;
[0023] Fig. 2 illustrates the top view of the drill bit holder according to the present invention; and
[0024] Fig. 3 illustrates the drill bit removal kit according to one of the embodiments of the present invention.
[0025] The figures depict embodiments of the present subject matter for the purposes of illustration only. A person skilled in the art will easily recognize from the following description that alternative embodiments of the structures and methods illustrated herein may be employed without departing from the principles of the disclosure described herein.
DESCRIPTION OF THE PREFERRED EMBODIMENTS:
[0026] While the embodiments of the disclosure are subject to various modifications and alternative forms, specific embodiment thereof have been shown by way of example in the figures and will be described below. It should be understood, however, that it is not intended to limit the disclosure to the particular forms disclosed, but on the contrary, the disclosure is to cover all modifications, equivalents, and alternative falling within the scope of the disclosure.
[0027] The terms “comprises”, “comprising”, or any other variations thereof used in the disclosure, are intended to cover a non-exclusive inclusion, such that a device, system, assembly that comprises a list of components does not include only those components but may include other components not expressly listed or inherent to such system, or assembly, or device. In other words, one or more elements in a system or device proceeded by “comprises… a” does not, without more constraints, preclude the existence of other elements or additional elements in the system or device.
[0028] It should be noted that the description and figures merely illustrate the principles of the present subject matter. It should be appreciated by those skilled in the art that conception and specific embodiment disclosed may be readily utilized as a basis for modifying or designing other structures for carrying out the same purposes of the present subject matter. It should also be appreciated by those skilled in the art that by devising various arrangements that, although not explicitly described or shown herein, embody the principles of the present subject matter. Furthermore, all examples recited herein are principally intended expressly to be for pedagogical purposes to aid the reader in understanding the principles of the present subject matter and the concepts contributed by the inventor(s) to furthering the art, and are to be construed as being without limitation to such specifically recited examples and conditions. The novel features which are believed to be characteristic of the present subject matter, both as to its organization and method of operation, together with further objects and advantages will be better understood from the following description when considered in connection with the accompanying figures.
[0029] These and other advantages of the present subject matter would be described in greater detail with reference to the following figures. It should be noted that the description merely illustrates the principles of the present subject matter. It will thus be appreciated that those skilled in the art will be able to devise various arrangements that, although not explicitly described herein, embody the principles of the present subject matter and are included within its scope.
[0030] One or more drawbacks of conventional method of removing the drill bit from a drill specially from an industrial drilling machine are that it requires lot of efforts and is a very tedious task. It more than often results in the damage to the tip of the drill bit.
[0031] Fig. 1 illustrates the perspective view of the drill bit removal kit in accordance with an embodiment of the present subject matter. A drill bit removal kit (100) for removing drill bit (10) according to the present invention comprises of a base plate (20), an inclined plate (30) which is connected with the base plate (20) at one end of the base plate (20), a motor (50) coupled with a planetary gear arrangement (70) and a drill bit holder (60) which is configured to complement shape of the drill bit (10) and hold, the shaft of the motor (50). The planetary gear arrangement (70) is further coupled to the drill bit holder (60) and the drill bit (10) is removed by rotating the drill bit holder.
[0032] The motor’s (50) rpm is quite high and torque is low and the planetary gear system (70) converts this high rpm to low rpm and the low torque to high torque.
[0033] The angle between the base plate (20) and the inclined plate (30) is kept between 30-75 degrees and more preferably 45 degrees.
[0034] The base plate (20) and the inclined plate (30) are connected to each other using a nut bolt combination, hinges or are welded together. In one of the embodiments where the base plate (20) and the inclined plate (30) are connected using the nut bolt combination or hinges, the angle between them can be changed according to the need.
[0035] In an embodiment of the present invention as described in the figure 3., the drill bit holder (60) is configured to complement shape of the drill bit (10) by the cavities (80) provided in the shape of the tip of the drill bit (10).
[0036] The inclined plate (30), according to the present invention, has a cavity in the center such that when the drill bit holder (60) is attached to the inclined plate (30), the drill bit (10) can easily be affixed to the drill bit holder (60).
[0037] In one of the embodiments according to the present invention, the motor (50) used is a hydraulic motor, however other mothers such as electric motor can also be used.
[0038] In one of the embodiments of the present invention, the combination of drill bit holder (60) is covered using a cover (90) to prevent the same from getting dust and other impurities.
[0039] It will be further appreciated that functions or structures of a plurality of components or steps may be combined into a single component or step, or the functions or structures of one-step or component may be split among plural steps or components. The present invention contemplates all of these combinations. Unless stated otherwise, dimensions and geometries of the various structures depicted herein are not intended to be restrictive of the invention, and other dimensions or geometries are possible. In addition, while a feature of the present invention may have been described in the context of only one of the illustrated embodiments, such feature may be combined with one or more other features of other embodiments, for any given application. It will also be appreciated from the above that the fabrication of the unique structures herein and the operation thereof also constitute methods in accordance with the present invention. The present invention also encompasses intermediate and end products resulting from the practice of the methods herein. The use of “comprising” or “including” also contemplates embodiments that “consist essentially of” or “consist of” the recited feature.
[0040] Although embodiments for the present subject matter have been described in language specific to structural features, it is to be understood that the present subject matter is not necessarily limited to the specific features described. Rather, the specific features and methods are disclosed as embodiments for the present subject matter. Numerous modifications and adaptations of the system/component of the present invention will be apparent to those skilled in the art, and thus it is intended by the appended claims to cover all such modifications and adaptations which fall within the scope of the present subject matter

WE CLAIM:

1. A drill bit removal kit (100) for removing drill bit (10), the drill bit removal kit (100) comprising:
a base plate (20);
an inclined plate (30), connected with the base plate (20) at one end of the base plate (20);
a motor (50); and
a drill bit holder (60);
characterized in that the drill bit holder (60) configured to complement shape of the drill bit (10) and hold, the shaft of the motor (50) being coupled with a planetary gear arrangement (70); the planetary gear arrangement (70) is further coupled to the drill bit holder (60) such that the drill bit (10) is removed by rotating the drill bit holder.
2. The drill bit removal kit (100) as claimed in claim 1, wherein the angle between the base plate (20) and the inclined plate (30) is 30-75 degrees.
3. The drill bit removal kit (100) as claimed in claim 1, wherein the base plate (20) and the inclined plate (30) are connected using nuts and bolts, welding or hinges.
4. The drill bit removal kit (100) as claimed in claim 1, wherein the drill bit holder comprises of cavities (80) in the shape of the tip of the drill bit (10).
5. The drill bit removal kit (100) as claimed in claim 1, wherein the motor (50) is hydraulic/electrical
6. The drill bit removal kit (100) as claimed in claim 1, wherein the drill bit holder (60) is covered using a cover (90).