EP4094892A1 - Fortschrittliche haltevorrichtung - Google Patents

Fortschrittliche haltevorrichtung Download PDF

Info

Publication number
EP4094892A1
EP4094892A1 EP22179713.7A EP22179713A EP4094892A1 EP 4094892 A1 EP4094892 A1 EP 4094892A1 EP 22179713 A EP22179713 A EP 22179713A EP 4094892 A1 EP4094892 A1 EP 4094892A1
Authority
EP
European Patent Office
Prior art keywords
bit body
screw bit
base
lateral edge
holding apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22179713.7A
Other languages
English (en)
French (fr)
Inventor
Paul Kukucka
Thomas Stefan Kukucka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grip Holdings LLC
Original Assignee
Grip Holdings LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US16/107,842 external-priority patent/US10780556B2/en
Application filed by Grip Holdings LLC filed Critical Grip Holdings LLC
Publication of EP4094892A1 publication Critical patent/EP4094892A1/de
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/008—Allen-type keys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0028—Angular adjustment means between tool head and handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/18—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same withdrawing broken threaded parts or twist drills

Definitions

  • 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.
  • 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.
  • the present invention generally related to torque tool accessories. More specifically, the present invention is a multi-grip screw 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 screw 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.
  • the present invention comprises an at least one screw bit body 1 and an attachment body 19 .
  • the screw bit body 1 is a shank which engages the socket fastener, such as a socket screw or a socket bolt, in order to apply a torque force onto the socket faster.
  • the screw bit body 1 comprises a plurality of laterally-bracing sidewalls 2 , a first base 14 , and a second base 15 .
  • the screw bit body 1 is a prism composed of a strong metal.
  • Each of the plurality of laterally-bracing sidewalls 2 engage within and grip the socket fastener in order to efficiently transfer torque from a torque tool to the socket fastener.
  • the first base 14 and the second base 15 are positioned opposite to each other along the plurality of laterally-bracing sidewalls 2 . Additionally, the first base 14 , and thus second base 15 , is preferably oriented perpendicular to each of the plurality of laterally-bracing sidewalls and thus enclose/complete the prism shape of the screw bit body 1 . More specifically, it is preferred that the first base 14 comprises a first base surface 26 , wherein the first base surface 26 is flat and is oriented perpendicular to the bracing surface 5 of each of the plurality of laterally-bracing sidewalls 2 .
  • the attachment body 19 allows the present invention to be attached to an external torque tool and, thus, allow torque force to be applied to the socket fastener through the screw bit body 1 .
  • the attachment body 19 is centrally positioned around and along a rotation axis 16 of the screw bit body 1 such that the rotation axis of the attachment body 19 and the rotation axis 16 of the screw bit body 1 are coincidentally aligned. Additionally, the attachment body 19 is connected adjacent to the second base 15 .
  • the attachment body 19 preferably has a hexagonal cross-section in order to fit within a female attachment member of the external torque tool.
  • External torque tools include, but are not limited to, electric drills, torque wrenches, pneumatic drills, socket screw drivers, and other similar torque tools.
  • each of the laterally-bracing sidewalls comprises a first lateral edge 3 , a second lateral edge 4 , a bracing surface 5 , and an at least one engagement cavity 8 .
  • the plurality of laterally-bracing sidewalls 2 is radially positioned about the rotation axis 16 of the screw bit body 1 in order to yield a geometric profile complimentary to that of the socket fastener.
  • the number within the plurality of laterally-bracing sidewalls 2 is subject to change to compliment the shape and profile of a variety of socket fasteners.
  • the number within the plurality of laterally-bracing sidewalls 2 is six and the resulting geometric profile of the screw bit body 1 is a hexagon. In an alternative embodiment of the present invention, the number within the plurality of laterally-bracing sidewalls 2 is four.
  • the bracing surface 5 physically presses against the socket fastener, specifically against 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 .
  • 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 8 extends normal and into the bracing surface 5 and creates an additional gripping point/tooth on the bracing surface 5 .
  • the engagement cavity 8 may not make contact with fastener sidewall and may remain void.
  • the engagement cavity 8 may accept material from the fastener when the bracing surface 5 adjacent to the engagement cavity 8 bites in the fastener sidewall. Additionally, the engagement cavity 8 is positioned offset from the first lateral edge 3 by a first distance 21 . Resultantly, the gripping point is created by the engagement cavity 8 and the bracing surface 5 . In another embodiment, the gripping point is created by the engagement cavity 8 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 8 . Additionally, the engagement cavity 8 extends into the screw bit body 1 from the first base 14 towards the second base 15 .
  • an entire cross-section 9 of the engagement cavity 8 is parallel to the first base 14 and the second base 15 .
  • the engagement cavity 8 also tapers from the first base 14 to the second base 15 such that the partially circular profile adjacent to the first base 14 is larger than the partially circular profile adjacent to the second base 15 . as seen in FIG. 11 .
  • the entire cross-section 9 of the engagement cavity 8 is a partially-circular profile.
  • the partially-circular profile is concave along a direction from the first lateral edge 3 to the second lateral edge 4 .
  • the partially-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.
  • the entire cross-section 9 of the engagement cavity 8 is a triangular profile. Additionally, the triangular profile is concave along a direction from the first lateral edge 3 to the second lateral edge 4 .
  • Alternative profiles may be used for the engagement cavity 8 including, but not limited to, a semi-square profile, a semi-rectangular profile, and a semi-oval profile.
  • the entire cross-section 9 of the engagement cavity 8 comprises a curved portion 10 and a straight portion 11 .
  • the present invention is implemented as an extraction bit, wherein the present invention is designed to extract damaged or broken fasteners, damaged rods, broken studs, and other similar items.
  • the engagement cavity 8 is uniquely shaped in order to form a sharp engagement tooth that grips in the corners of the socket fastener, allowing material from the internal sides of the fastener socket into the engagement cavity 8 and thus yielding a superior grip over traditional tools which are simply designed to push material away. This is especially true for worn or damaged fastener socket.
  • the curved portion 10 is a semi-circular curve that is positioned adjacent to the first lateral edge 3 .
  • the straight portion 11 is positioned adjacent to the curved portion 10 , opposite the first lateral edge 3 .
  • the straight portion 11 guides a portion of the socket fastener to press against the engagement tooth.
  • the straight portion 11 extends from the curved portion 10 to the second lateral edge 4 .
  • the straight portion 11 starts at the curved portion 10 and ends at the second lateral edge 4 .
  • the engagement cavity 8 is centrally position on the bracing surface 5 .
  • the engagement cavity 8 is positioned offset from the second lateral edge 4 by a second distance 22 .
  • the first distance 21 is equal to the second distance 22 .
  • this embodiment may be used to rotate the socket fastener in either the clockwise or the counter-clockwise direction.
  • the proportion between the first distance 21 , the second distance 22 , and the width of the engagement cavity 8 may be altered in order to achieve a dedicated clockwise or counterclockwise design.
  • the present invention is configured to be a clockwise drive bit.
  • the first distance 21 is greater than the second distance 22 .
  • the proportion between the first distance 21 , the second distance 22 , and the width of the engagement cavity 8 is 1:5:4, thus yielding a design of the present invention which grips and applies torque to the socket fastener in the clockwise direction. This design is used to screw in and secure the socket fastener.
  • the present invention is configured to be a counter-clockwise screw bit.
  • the first distance 21 is greater than the second distance 22 .
  • the proportion between the first distance 21 , the second distance 22 , and the width of the engagement cavity 8 is 5:1:4, thus yielding a design which grips and applies torque to the socket fastener in the counter-clockwise direction. This design is used to release and extract the socket fastener.
  • the present invention may also be implemented in a spline/square bit design.
  • the screw bit body 1 is a spline-type bit body that transfers torque to the socket fastener through a multitude of protrusions.
  • the screw bit body 1 further comprises a plurality of intermittent sidewalls 24 .
  • Each of the plurality of intermittent sidewalls 24 is a flat surface which engages the socket fastener like a traditional screw bit design.
  • the plurality of intermittent sidewalls 24 is radially positioned about the rotation axis 16 . Additionally, the plurality of intermittent sidewalls 24 is interspersed amongst the plurality of laterally-bracing sidewalls 2 .
  • the ratio between the plurality of laterally-bracing sidewalls 2 and the plurality of intermittent sidewalls 24 is subject to change to yield a variety of different screw bit designs.
  • the plurality of intermittent sidewalls 24 and the plurality of laterally-bracing sidewalls 2 radially alternate between each other.
  • the present invention further comprises an engagement bore 20 .
  • the engagement bore 20 allows the present invention to be attached to a male attachment member of an external torque tool, such as a socket wrench or a screw driver.
  • the engagement bore 20 extends into the attachment body 19 along the rotation axis, opposite the screw bit body 1 .
  • the engagement bore 20 is shaped to receive a male attachment member of a socket wrench; the preferred shape is square as the majority of socket wrenches utilize a square attachment member.
  • the preferred attachment body 19 is cylindrical shaped.
  • the shape and design of the engagement bore 20 and the attachment body 19 may vary to be adaptable to different torque tool designs and different attachment means.
  • the present invention is implemented as a dual sided screw bit, thus providing both a clockwise and a counter-clockwise configuration simultaneously in a single tool.
  • the at least one screw bit body 1 comprises a first screw bit body 17 and a second screw bit body 18 .
  • the attachment body 19 preferably has a hexagonal cross-section.
  • the attachment body 19 is centrally positioned around and along the rotation axis 16 of the first screw bit body 17 such that the rotation axis of the attachment body 19 and the rotation axis 16 of the first screw bit body 17 1 are coincidentally aligned. Additionally, the attachment body 19 is connected adjacent to the second base 15 of the first screw bit body 17 .
  • the second screw bit body 18 shares the attachment body 19 with the first screw bit body 17 .
  • the second screw bit body 18 1 is concentrically positioned with the first screw bit body 17 .
  • the second screw bit body 18 is positioned adjacent to the attachment body 19 , opposite the first screw bit body 17 , similar to traditional double-sided screw bit designs.
  • the attachment body 19 is connected to the second base 15 of the second screw bit body 18 .
  • the first screw bit body 17 is designed to screw in a socket fastener, the clockwise configuration. For this, referring to FIG. 3 , the second distance 22 of the first screw bit body 17 is greater than the first distance 21 of the first screw bit body 17 .
  • the second screw bit body 18 is designed to unscrew/extract the socket fastener, i.e. the counter-clockwise configuration. Referring to FIG. 4 , the first distance 21 of the second screw bit body 18 is greater than the second distance 22 of the second screw bit body 18 1 . This positions the additional gripping point of the second screw bit body 18 adjacent to the second lateral edge 4 of the second screw bit body 18 .
  • the at least one engagement cavity 8 comprises a first cavity 12 and a second cavity 13 .
  • This embodiment is an alternative configuration which yields a clockwise and counter-clockwise configuration.
  • the first cavity 12 and the second cavity 13 are oriented parallel and offset to each other.
  • the first cavity 12 is positioned adjacent and offset to the first lateral edge 3 and the second cavity 13 is positioned adjacent and offset to the second lateral edge 4 .
  • the present invention further comprises the plurality of intermittent sidewalls 24 , wherein the plurality of intermittent sidewalls 24 is interspersed amongst the plurality of laterally-bracing sidewalls 2 .
  • the present invention is implemented as a ball-end screw bit.
  • the bracing surface 5 for each of the plurality of laterally-bracing sidewalls 2 comprises a convex portion 6 and a concave portion 7 .
  • the convex portion 6 and the concave portion 7 delineate a curved surface such that, overall, the plurality of laterally-bracing sidewalls 2 forms a ball-like shape.
  • the convex portion 6 is positioned adjacent to the first base 14 such that the convex portion 6 from each of the plurality of laterally-bracing sidewalls 2 forms the body of the ball-like shape.
  • the concave portion 7 is positioned adjacent to the convex portion 6 , opposite to the first base 14 such that the concave portion 7 from each of the plurality of laterally-bracing sidewalls 2 further forms the ball-like shape and provides clearance for when the screw bit body 1 is engaged to the socket fastener at an angle.
  • the convex portion 6 and the concave portion 7 are oriented along the rotation axis 16 of the screw bit body 1 , and thus the length of the screw bit body 1 , to position the ball-like shaped terminally on the screw bit body 1 . It is preferred that the curvature, length, and height of the concave portion 7 and the convex portion 6 is identical.
  • the engagement cavity 8 extends along the whole length of the convex portion 6 and the concave portion 7 .
  • additional gripping is provided along the screw bit body 1 , regardless of the angle between the socket fastener and the screw bit body 1 .
  • the present invention is implemented as a tamper-resistant screw bit.
  • the present invention further comprises a pin-in security hole 23 which interlocks with a complimentary post within a unique socket fastener.
  • a set of unique socket fasteners and a unique-key screw bit may be sold, utilized, or manufactured to ensure tamper proof design. This type of interlocking design is used for security reasons, preventing unauthorized personnel from accessing certain socket fasteners.
  • the pin-in security hole 23 is concentrically positioned with the rotation axis 16 of the screw bit body 1 . Additionally, the pin-in security hole 23 extends into the screw bit body 1 from the first base 14 . The size, depth, and profile of the pin-in security is subject to change to meet the needs and specifications of the user.
  • the present invention includes additional features in order to guide the screw bit body 1 into the socket fastener.
  • a lateral edge 25 between the first base 14 and each of the plurality of laterally-bracing sidewalls 2 is chamfered which aids the user in interlocking the screw bit body 1 within the socket fastener.
  • the present invention is implemented in a screwdriver design.
  • the screw bit body 1 is tapered from the second base 15 towards the first base 14 , similar to traditional screwdrivers. The degree of tapering is subject to change to meet the needs and requirements of the user.
  • the present invention may be implemented in the form of a socket for tightening or loosening of bolts and other similar fasteners.
  • the screw bit body 1 is implemented as a cavity traversing into a cylinder, similar to traditional socket designs.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP22179713.7A 2018-08-21 2019-07-30 Fortschrittliche haltevorrichtung Pending EP4094892A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/107,842 US10780556B2 (en) 2014-04-30 2018-08-21 Anti-slip, multidirectional driver bit
EP19851011.7A EP3807050A4 (de) 2018-08-21 2019-07-30 Fortschrittliche haltevorrichtung
PCT/IB2019/056500 WO2020039285A1 (en) 2018-08-21 2019-07-30 Advanced holding apparatus

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP19851011.7A Division EP3807050A4 (de) 2018-08-21 2019-07-30 Fortschrittliche haltevorrichtung

Publications (1)

Publication Number Publication Date
EP4094892A1 true EP4094892A1 (de) 2022-11-30

Family

ID=69591228

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19851011.7A Withdrawn EP3807050A4 (de) 2018-08-21 2019-07-30 Fortschrittliche haltevorrichtung
EP22179713.7A Pending EP4094892A1 (de) 2018-08-21 2019-07-30 Fortschrittliche haltevorrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19851011.7A Withdrawn EP3807050A4 (de) 2018-08-21 2019-07-30 Fortschrittliche haltevorrichtung

Country Status (3)

Country Link
EP (2) EP3807050A4 (de)
TW (1) TW202128361A (de)
WO (1) WO2020039285A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11154969B2 (en) 2016-04-27 2021-10-26 Grip Holdings Llc Fastener extractor device
US11590637B2 (en) 2017-04-27 2023-02-28 Grip Holdings Llc Methods and apparatuses for extracting and dislodging fasteners
US11701757B2 (en) 2018-09-19 2023-07-18 Grip Holdings Llc Anti-slip fastener remover tool
US11602828B2 (en) 2019-07-30 2023-03-14 Grip Holdings Llc Multi-grip screw apparatus
USD966063S1 (en) 2018-03-07 2022-10-11 Grip Holdings Llc Socket
US11161234B2 (en) 2018-03-15 2021-11-02 Grip Holdings Llc Tool holding apparatus
US11759918B2 (en) 2019-05-09 2023-09-19 Grip Holdings Llc Anti-slip torque tool with integrated engagement features
USD1026602S1 (en) 2022-03-17 2024-05-14 Grip Holdings Llc Selectable twist tool

Citations (4)

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Publication number Priority date Publication date Assignee Title
WO1998012982A1 (en) * 1996-09-24 1998-04-02 Nobel Biocare Ab (Publ) Arrangement for use in a system with a range of dental screws, and the range of dental screws
WO2015050942A1 (en) * 2013-10-01 2015-04-09 Alcoa Inc. Asymmetric fastener recess and key
WO2017069953A1 (en) * 2015-10-19 2017-04-27 Bryce Fastener Company, Inc. Methods and apparatus for an enhanced driving bit
US20170312897A1 (en) * 2014-04-30 2017-11-02 Grip Tooling Technologies Llc Multi-Grip Socket Bit

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Publication number Priority date Publication date Assignee Title
US5251516A (en) * 1991-11-14 1993-10-12 Alden Corporation Tool for extracting broken bolts and the like
WO2001066312A1 (de) * 2000-03-06 2001-09-13 Felo-Werkzeugfabrik Holland-Letz Gmbh Schraubendreher-einsätze
EP1371453B1 (de) 2002-06-12 2012-02-01 Wright Tool Company Asymetrischer Schlüssel und Befestigungssystem
US7000501B1 (en) * 2004-09-29 2006-02-21 Po-Shen Chen Bit for removing damaged screws
US7225710B2 (en) * 2005-05-27 2007-06-05 Synthes Gmbh Combination driver and combination fastener
US7331260B2 (en) * 2006-05-12 2008-02-19 Chin-Shun Cheng Rotary wrenching tool with a driving head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998012982A1 (en) * 1996-09-24 1998-04-02 Nobel Biocare Ab (Publ) Arrangement for use in a system with a range of dental screws, and the range of dental screws
WO2015050942A1 (en) * 2013-10-01 2015-04-09 Alcoa Inc. Asymmetric fastener recess and key
US20170312897A1 (en) * 2014-04-30 2017-11-02 Grip Tooling Technologies Llc Multi-Grip Socket Bit
WO2017069953A1 (en) * 2015-10-19 2017-04-27 Bryce Fastener Company, Inc. Methods and apparatus for an enhanced driving bit

Also Published As

Publication number Publication date
EP3807050A1 (de) 2021-04-21
EP3807050A4 (de) 2021-08-18
WO2020039285A1 (en) 2020-02-27
TW202128361A (zh) 2021-08-01
TW202009106A (zh) 2020-03-01

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