The present invention generally relates to various tools designed for tightening or loosening fasteners, in particular bolts and nuts. More specifically, the present invention is an anti-slip multidirectional driver bit, designed to prevent damaging or stripping fasteners during the extraction or tightening process.
Hex bolts, nuts, screws, and other similar threaded devices are used to secure and hold multiple components together by being engaged to a complimentary thread, known as a female thread. The general structure of these types of fasteners is a cylindrical shaft with an external thread and a head at one end of the shaft. The external thread engages a complimentary female thread tapped into a hole or a nut and secures the fastener in place, fastening the associated components together. The head receives an external torque force and is the means by which the fastener is turned, or driven, into the female threading. The head is shaped specifically to allow an external tool like a wrench to apply a torque to the fastener in order to rotate the fastener and engage the complimentary female threading to a certain degree. This type of fastener is simple, extremely effective, cheap, and highly popular in modern construction.
One of the most common problems in using these types of fasteners, whether male or female, is the tool slipping in the head portion, or slipping on the head portion. This is generally caused by either a worn fastener or tool, corrosion, overtightening, or damage to the head portion of the fastener. The present invention is a driving bit design that virtually eliminates slippage. The design uses a series of segmented portions that bite into the head of the fastener and allow for efficient torque transfer between the driving bit and the head portion of the fastener. The present invention eliminates the need for the common bolt extractors as they require unnecessary drilling and tools. With the development of electric screwdrivers, and drills, people have been using, power tools to apply the required torsional forces and remove various fasteners. The present invention provides a double-sided driver end bit, thus allowing for torque to applied to the fastener in both clockwise and counterclockwise directions, thus tightening or loosening the fastener. Most driver end bits have a standardized one fourth inch hex holder, and come in various configurations including but not limited to, square end, hex end, or star end.
All illustrations of the drawings are for the purpose of describing selected versions of the present invention and are not intended to limit the scope of the present invention.
The present invention generally related to torque tool accessories. More specifically, the present invention is a multi-grip socket bit, also known as a screw bit or driver. The present invention allows for a higher torque to be applied to a fastener than a similarly sized conventional driver bit without damaging the head of the fastener or the bit tool. This is achieved through the use of a multitude of engagement features which effectively grip the head of the fastener. The present invention is a socket bit that is compatible with a variety of torque tools including, but not limited to, traditional drills, bit-receiving screwdrivers, socket wrenches, and socket drivers.
In its simplest embodiment, referring to
Referring to
The bracing surface 5 physically presses against the socket fastener, in particular the lateral sidewall of a head portion from the socket fastener. The first lateral edge 3 and the second lateral edge 4 are positioned opposite to each other across the bracing surface 5. When viewed from either the top perspective or the bottom perspective, the first lateral edge 3 and the second lateral edge 4 from each of the plurality of laterally-bracing sidewalls 2 make up the corners of the screw bit body 1. The engagement cavity 6 traverses normal and into the bracing surface 5 and creates an additional gripping point/tooth on the bracing surface 5. This gripping point is created with the engagement cavity 6 and an adjacent edge, wherein the adjacent edge is either the first lateral edge 3 or the second lateral edge 4; in particular, the adjacent edge is the edge closest to the engagement cavity 6. Additionally, the engagement cavity 6 traverses into the screw bit body 1 from the first base 9 towards the second base 10. The engagement cavity 6 also tapers from the first base 9 to the second base 10. This ensures that the additional gripping point extends along the length of the screw bit body 1 for maximum grip engagement between the screw bit body 1 and the socket fastener. Furthermore, it is preferred that a cross-section 7 of the engagement cavity 6 is a semi-circular profile. The semi-circular profile ensures that there are little to no high stress points in the screw bit body 1, thus increasing the overall longevity of the tool. Alternative profiles may be used for the engagement cavity 6 including, but not limited to, a semi-square profile, a semi-rectangular profile, and a semi-oval profile.
In the preferred embodiment of the present invention, the engagement cavity 6 is positioned specifically for the most efficient transfer of torque. In particular, the engagement cavity 6 is positioned offset from the first lateral edge 3 by a first distance 12. Similarly, the engagement cavity 6 is positioned offset from the second lateral edge 4 by a second distance 13. The proportion between the first distance 12, the second distance 13, and a width 8 of the engagement cavity 6 is 1:5:4 for the most efficient transfer of torque.
The proportion between the first distance 12, the second distance 13, and the width 8 of the engagement cavity 6 may be switched and altered in order to achieve a clockwise and counterclockwise design. Referring to
Referring to
The present invention also incorporates an attachment feature which allows an external torque tool to attach to the screw bit body 1 and transfer torque force onto the socket fastener through the screw bit body 1. Referring to
In another embodiment, referring to
In one embodiment, referring to
For this, referring to
In another embodiment of the present invention, referring to
Referring to
Although the invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of the invention as hereinafter claimed.
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6761089 | Bergamo | Jul 2004 | B2 |
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7331260 | Cheng | Feb 2008 | B2 |
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D784106 | Doroslovac | Apr 2017 | S |
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Number | Date | Country |
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201612229 | Apr 2016 | AU |
201612720 | Jun 2016 | AU |
201612721 | Jun 2016 | AU |
168071 | Dec 2016 | CA |
303924849 | Nov 2016 | CN |
303956827 | Dec 2016 | CN |
303984883 | Dec 2016 | CN |
D180038 | Dec 2016 | CN |
090809 | Apr 2016 | DM |
091188 | May 2016 | DM |
091189 | May 2016 | DM |
Number | Date | Country | |
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20170312897 A1 | Nov 2017 | US |
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61986327 | Apr 2014 | US | |
62328102 | Apr 2016 | US | |
62475757 | Mar 2017 | US | |
62451491 | Jan 2017 | US | |
62459371 | Feb 2017 | US | |
62482916 | Apr 2017 | US | |
62531828 | Jul 2017 | US |
Number | Date | Country | |
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Parent | 29566336 | May 2016 | US |
Child | 15650768 | US | |
Parent | 29566311 | May 2016 | US |
Child | 29566336 | US | |
Parent | 14701482 | Apr 2015 | US |
Child | 29566311 | US | |
Parent | 15650768 | Jul 2017 | US |
Child | 29566311 | US | |
Parent | 15278845 | Sep 2016 | US |
Child | 15650768 | US | |
Parent | 15650768 | Jul 2017 | US |
Child | 15650768 | US | |
Parent | 15601864 | May 2017 | US |
Child | 15650768 | US | |
Parent | PCT/IB2017/052453 | Apr 2017 | US |
Child | 15601864 | US | |
Parent | 15650768 | Jul 2017 | US |
Child | 15601864 | US | |
Parent | 29592608 | Jan 2017 | US |
Child | 15650768 | US | |
Parent | 29604799 | May 2017 | US |
Child | 29592608 | US |