WO2009021073A2 - Screw with breakaway and methods of using the same - Google Patents

Screw with breakaway and methods of using the same Download PDF

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Publication number
WO2009021073A2
WO2009021073A2 PCT/US2008/072386 US2008072386W WO2009021073A2 WO 2009021073 A2 WO2009021073 A2 WO 2009021073A2 US 2008072386 W US2008072386 W US 2008072386W WO 2009021073 A2 WO2009021073 A2 WO 2009021073A2
Authority
WO
WIPO (PCT)
Prior art keywords
threaded
screw
breakaway
hinge
elongated stem
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.)
Ceased
Application number
PCT/US2008/072386
Other languages
English (en)
French (fr)
Other versions
WO2009021073A3 (en
Inventor
Nancy Tedeschi
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40342027&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009021073(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to EP08782656.6A priority Critical patent/EP2174023B2/en
Priority to AU2008283850A priority patent/AU2008283850B2/en
Priority to HK11101914.8A priority patent/HK1147791B/xx
Priority to EP14190623.0A priority patent/EP2843247B1/en
Priority to KR1020177017652A priority patent/KR20170078859A/ko
Priority to CN2008801021332A priority patent/CN101815877B/zh
Priority to RU2010107894/12A priority patent/RU2493446C2/ru
Application filed by Individual filed Critical Individual
Priority to CA2695751A priority patent/CA2695751C/en
Priority to BRPI0814837A priority patent/BRPI0814837A2/pt
Priority to JP2010520292A priority patent/JP2010535993A/ja
Priority to ES08782656T priority patent/ES2528121T5/es
Priority to KR1020167008198A priority patent/KR20160038085A/ko
Publication of WO2009021073A2 publication Critical patent/WO2009021073A2/en
Publication of WO2009021073A3 publication Critical patent/WO2009021073A3/en
Anticipated expiration legal-status Critical
Priority to ZA2010/03664A priority patent/ZA201003664B/en
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
    • F16B31/021—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load by means of a frangible part
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/02—Hinges with pins with one pin
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/10—Pins, sockets or sleeves; Removable pins
    • E05D5/12—Securing pins in sockets, movably or not
    • E05D5/121—Screw-threaded pins
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • E05Y2800/409—Physical or chemical protection against faulty mounting or coupling
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/67—Materials; Strength alteration thereof
    • E05Y2800/684—Strength alteration by weakening, e.g. by applying grooves
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/69—Permanence of use
    • E05Y2800/692—Temporary use, e.g. removable tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F16B35/044—Specially-shaped ends
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/24—Hinge making or assembling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49799—Providing transitory integral holding or handling portion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53909—Means comprising hand manipulatable tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53909—Means comprising hand manipulatable tool
    • Y10T29/53943—Hand gripper for direct push or pull

Definitions

  • the present invention relates generally to fasteners. More specifically, the invention relates to screws and their use in joints.
  • a first aspect of the present invention provides a screw, comprising: a screw head, comprising: a first surface having a driver slot thereon, and a second surface, wherein the second surface of the screw head faces away from the first surface; an elongated stem, comprising: either a threaded first portion and a non-threaded second portion extending from the distal end of the threaded first portion and a first breakaway therebetween, wherein a proximal end of the threaded first portion is mechanically and physically coupled to the second surface of the screw head, wherein the physical coupling between the second surface of the screw head and the proximal end of the threaded first portion is not a breakaway, wherein the first breakaway releasably couples the non-threaded second portion to the distal end of i the threaded first portion, or a threaded first portion, without the non-threaded second portion extending from the threaded first portion and a second breakaway, wherein a proximal end of
  • a second aspect of the present invention provides a method of replacing a screw in a hinge, comprising: providing a hinge, comprising : first and second straps, pivotably coupled to a cylinder, wherein the cylinder has a threaded hollow channel therein; providing a screw comprising: a head; an elongated stem comprising: either a threaded first portion adjacent to the head; and a non-threaded second portion extending from the threaded first portion; and a first breakaway therebetween, wherein the first breakaway releasably couples the non-threaded second portion to the distal end of the threaded first portion, or a threaded first portion adjacent to the head without the non-threaded second portion extending from the threaded first portion and a second breakaway, wherein the second breakaway releasably couples the first surface of the screw head to a breakaway tab;inserting the non-threaded second portion of the elongated stem into the hollow threaded channel in the hinge so
  • a third aspect of the present invention provides a kit, comprising: a hinge, comprising first and second straps, pivotably coupled to a cylinder, wherein the cylinder has a threaded hollow channel therein; a screw, comprising: a head; an elongated stem, comprising: either a threaded first portion adjacent to the head and a non-threaded second portion extending from the threaded first portion and a first breakaway therebetween, wherein the first breakaway releasably couples the first threaded portion of the elongated stem to the non-threaded second portion of the elongated stem, wherein the non-threaded second portion of the elongated stem has been aligned with the hollow threaded channel in the hinge, and wherein the non- threaded second portion of the elongated stem has been inserted into the hollow threaded channel in the hinge so that the threaded first portion of the elongated stem catches at least one of the threads of the hollow threaded channel of the
  • a fourth aspect of the present invention provides a system for guiding a screw into a hinge, comprising: a hinge, wherein the hinge has a hollow channel therein; a screw, comprising: a head; an elongated stem, comprising: a threaded first portion adjacent to the head; and a non-threaded second portion extending from the threaded first portion; and a breakaway, wherein the breakaway is removably connected therebetween or removably connected to the first surface of the screw head, but the breakaway is not removably connected between the threaded first portion of the elongated stem and the head of the screw, wherein the non-threaded second portion of the elongated stem has been aligned with the hollow threaded channel in the hinge, wherein the non-threaded second portion of the elongated stem has been manipulated into the threaded hole in the hinge so that the threaded first portion of the elongated stem is articulated with the threads of the hollow threaded channel of the
  • Fig. 1 A depicts a top plan view of a first surface of a screw head of a screw, in accordance with embodiments of the present invention
  • Fig. 1 B depicts a longitudinal cross-sectional view of the screw depicted in Fig. 1A, in accordance with embodiments of the present invention
  • Fig. 2A depicts a front longitudinal view of a screw, in accordance with embodiments of the present invention
  • Fig. 2B depicts a top plan view of a first surface of a screw head of the screw depicted in Fig. 2A, in accordance with embodiments of the present invention
  • FIG. 3A depicts a side elevation view of the screw the screw depicted in Figs. 2A and 2B, in accordance with embodiments of the present invention
  • Fig. 3B depicts a top plan view of a first surface of a screw head of the screw depicted in Figs. 2A, 2B, and 3A, in accordance with embodiments of the present invention
  • Fig. 4 depicts a longitudinal cross-sectional view of a kit, in accordance with embodiments of the present invention.
  • Fig. 5 depicts a top plan view of a screw having a screw head, in accordance with embodiments of the present invention.
  • Figs. 6A - 6C depict a flow diagram of a method of replacing a screw in a hinge of the kit, depicted in Fig. 4, in accordance with embodiments of the present invention.
  • Fig. 1 A depicts a top plan view of a first surface 19 of a screw head 15 of a screw 10.
  • the screw head 15 includes a driver slot 17.
  • the screw 10 may be a round head 15 made of stainless steel, brass, nickel/sliver, carbon steel, titanium, or other appropriate metals or metal alloys.
  • the driver slot 17 may be a single groove, a Phillips® cross shaped groove, an hexagonal groove for turning with a hex wrench.
  • Fig. 1 B depicts a longitudinal cross-sectional view of the screw 10.
  • the screw 10 comprises: the screw head 15, comprising: a first surface 19 having a driver slot 17 thereon, and a second surface 18, wherein the second surface 18 of the screw head 15 faces away from the first surface 19.
  • the screw 10 comprises an elongated stem 11.
  • the elongated stem 11 comprises a threaded first portion 20.
  • a proximal end A of the threaded first portion 20 is mechanically and physically coupled to the second surface 18 of the screw head 15.
  • the mechanical and physical coupling between the second surface 18 of the screw head 15 and the proximal end A of the threaded first portion 20 is not a breakaway 25, 43.
  • the elongated stem 11 comprises a non-threaded second portion 30 extending from a distal end C of the threaded first portion 20; and a breakaway 25 therebetween.
  • a “breakaway” is defined as a releasable coupling between a removable piece such as the proximal end 12 of the non-threaded second portion 20 and the distal end C of the threaded first portion 20.
  • distal end is defined as the further point along the elongated stem 11 in reference to the second surface 18 of the screw head
  • proximal is defined as the nearer point along the elongated stem 11 in reference to the second surface 18 of the screw head 15.
  • releasably coupling is defined as forming or braking or cleaving or severing a mechanical and physical coupling between the removable piece such as the proximal end 12 of the non-threaded second portion 20 and the distal end C of the threaded first portion 20.
  • screw 10, 13 into a screw hole 59, 100 or threaded hollow channel of a hinge 64
  • screw 10, 13 is defined as engaging the threads 63 in the screw hole 59, 100 or hollow threaded channel 64 of a hinge 66, by rotating the screw 10, 13 about its longitudinal axis in a clockwise motion, resulting in the screw 10, 13 being essentially completely inserted into the screw hole 59, 100 or hollow threaded channel 64 of the hinge 66.
  • Such engaging the threads 63 in the screw hole or hollow threaded channel 64 has the ultimate end that the screw 10, 13 has been essentially completely inserted into the screw hole 59, 100.
  • the screw 10 comprises a non-threaded first portion 30 for making it easier to handle the screw 10. You insert the non-threaded first portion 30 of the screw 10 into a screw hole 100 first and then you are able to pull the threaded second portion 20 of the screw 10 into the screw hole 100 as the non-threaded second portion 30 is removed from the screw hole 100. This adapts the screw 10 to be more easily manipulated by hand by a user.
  • a length Li from about 0.3375 in. to about 0.4125 in. may separate the proximal end A of the threaded first portion 20 and the distal end C of the threaded first portion 20.
  • a length L 2 from about .6973 in. to about 0.8525 in. may separate the proximal end A of the threaded first portion 20 and the distal end B of the non-threaded second portion 30 of the elongated stem 11.
  • a diameter W 3 of the non-threaded second portion is preferably smaller than a diameter W 2 of the threaded first portion 20 of the elongated stem 11. In one embodiment the diameter W 3 is from about 0.036 in. to about 0.044 in.
  • Fig. 2A depicts a front longitudinal view of a screw 13.
  • the screw 13 comprises: a screw head 50 and an elongated stem 14.
  • the screw head 50 comprises: a first surface 44 having a driver slot 51 thereon.
  • the screw head 50 comprises a second surface 48, depicted in Fig. 3A and described in associated text.
  • the second surface 48 of the screw head 50 faces away from the first surface 44.
  • the elongated stem 14, comprises: either a threaded first portion 20 and a non- threaded second portion 30 extending from the distal end C of the threaded first portion 20 and a first breakaway 25 therebetween, depicted in Fig. 1 B, or a threaded first portion 42, without the non-threaded second portion 30, depicted in Fig.
  • a proximal end E of the threaded first portion 42 is non-releasably coupled to the second surface 48 of the screw head 50.
  • the mechanical and physical coupling between the second surface 48 of the screw head 50 and the proximal end E of the threaded first portion 42 is not a breakaway 25, 43.
  • the first breakaway 25 releasably couples the non-threaded second portion 30 to the distal end C of the threaded first portion 20.
  • the threaded first portion 20, without the non- threaded second portion 30 extends from the threaded first portion 20 and a second breakaway 43.
  • a proximal end E of the threaded first portion 20 is non- releasably mechanically and physically coupled to the second surface 48 of the screw head 50.
  • the mechanical and physical coupling between the second surface 48 of the screw head 50 and the proximal end E of the threaded first portion 20 is not a breakaway 25, 43.
  • the second breakaway 43 releasably couples the first surface 48 of the screw head 50 to a breakaway tab 45.
  • a screw 13 with a break away tab 45 on the screw head 50 guides screws 13 into a screw hole for easy maneuverability. Any size screw 13, or break away tab 45 may be placed anywhere on the head 50 of the screw 13. Insert the screw 13 in hole 59, turn the break away tab 45 to start the screwing operation and then break the break away tab 45 off.
  • a length L 5 from the second surface 48 to the second breakaway 43, releasably coupling the breakaway tab 45 may be from about 0.1 in. to about 0.21 in.
  • a width W 7 of the breakaway tab 45 may be from about 0.225 in. to about 0.275 in. and a length L 3 of the breakaway tab 45 may be from about 0.45 in. to about 0.55 in.
  • Fig. 2B depicts a top plan view of a first surface 44 of a screw head 50 of the screw 13.
  • the screw head 50 includes a driver slot 51.
  • the screw 13 may be made of stainless steel, brass, nickel/sliver, carbon steel, titanium, or other appropriate metals or metal alloys.
  • the driver slot 51 may be a single groove, a Phillips® cross shaped groove, or an hexagonal groove for turning with a hex wrench.
  • Fig. 3A depicts a side elevation view of the screw 13.
  • a length L 4 from the proximal end E of the threaded first portion 20 to the distal end F of the threaded first portion of the elongated stem 14 may be from about 0.3942 in. to about 0.4818 in.
  • a face 49 of the breakaway tab 45 and a longitudinal plane of the driver slot 51 are parallel.
  • a width W 8 of the driver slot 51 may be from about 0.045 in. to about 0.055 in.
  • a ratio of the thickness L 9 of the breakaway tab 45 of the screw 13 to the width W 8 of the driver slot 51 is from about 0.3:1.0 to about 0.4:0.9.
  • a ratio of the length L 1 of the threaded first portion 20 to the non-threaded second portion 30 of the screw 10 is from about 1 :1 to about 0.775:1.
  • a diameter of the first breakaway 25 of the screw 10 is less than or equal to 0.015 in., when the diameter of the elongated stem 11 is essentially equal to 0.040 in.
  • a ratio of the width Wi of the breakaway tab 45 to a length L 3 Of the breakaway tab 45 is from about 1 :2 to about 1 :10.
  • the screw head 50 is a slotted undercut oval countersunk head.
  • the threaded first portion 42 has a 6-32 UNF thread, wherein conventional UNC or UNF thread is a 60 degree thread. In one embodiment, a ratio of the length L 4 of the threaded first portion 42 to the length L 3 of the breakaway tab 45 of the screw 10 is from about 1 :1 to about 0.876:1.
  • Fig. 3B depicts a top plan view of a first surface 44 of a screw head 51 of the screw 50.
  • a width W 1 of the second breakaway 43 across the first surface 44 of the screw head 50, depicted in Fig. 2B, is from about 75% to about 95% of the length L 10 of the driver slot 51 thereon.
  • Fig. 4 depicts a longitudinal cross-sectional view of a kit 65.
  • the kit 65 comprises: a hinge 66, comprising first and second straps 60, 61 , pivotably coupled to a cylinder 62.
  • the cylinder 62 has a hollow threaded channel 64 therein.
  • the kit 65 comprises: a screw 10, comprising: a head 19 and an elongated stem 11.
  • the elongated stem 11 comprises: either a threaded first portion 20 adjacent to the head 15 and a non-threaded second portion 30 extending from the threaded first portion 20 and a first breakaway 25 therebetween.
  • the first breakaway 25 releasably couples the threaded first portion 20 of the elongated stem 11 to the non-threaded second portion 30 of the elongated stem 11.
  • the non- threaded second portion 30 of the elongated stem 11 has been aligned with the hollow threaded channel 64 in the hinge 66.
  • the non-threaded second portion 30 of the elongated stem 11 has been inserted into the hollow threaded channel 64 in the hinge 66 so that the threaded first portion 20 of the elongated stem 11 catches at least one of the threads 63 of the hollow threaded channel 64 of the hinge 66.
  • the kit 65 comprises; a screw 13, depicted in Figs 2A, 2B, and Figs. 3A, 3B.
  • the screw 13 comprises: a screw head 50 and an elongated stem 14.
  • the elongated stem 14 comprises a threaded first portion 42 physically and mechanically non-releasably coupled to the second surface 48 of the screw head 50 without the non-threaded second portion 30, depicted in Figs. 1A, B extending from the threaded first portion 42 and a second breakaway 43.
  • the second breakaway 43 releasably couples the first surface 44 of the screw head 50 to a breakaway tab 45.
  • the threaded first portion 42 of the elongated stem 11 has caught at least one thread 63 of the hollow threaded channel 64 of the hinge 66, by threading the threads 67 of the threaded first portion 20 of the elongated stem 11 with the threads 63 of the hollow threaded channel 64.
  • proximal end E of the threaded first portion 42 and the second surface 48 of the screw head 50 are mechanically and physically non-releasably coupled.
  • the breakaway tab 45 extends along a longitudinal axis of the screw 13, away from the first surface 44 of the screw head 50.
  • Fig. 5 depicts a top plan view of a screw 85 having a screw head 86.
  • the screw head 86 has a first surface 80 and a driver slot 81 , therein.
  • the screw head 86 is releasably coupled to a breakaway tab 84, having a breakaway 83 therebetween.
  • the breakaway tab 84 has a first surface 79, and the first surface 79 may be coplanar with the first surface 80 of the screw head 86.
  • Figs. 6A - 6C depict a flow diagram of a method 90 of replacing a screw 10, 13 in a hinge 66, depicted in Fig. 4, and described in associated text and depicted in Figs. 2A.-3B, and described in associated text.
  • a hinge 66 is provided in a step 92 of the method 90.
  • first and second straps 60, 61 may be pivotably coupled to a cylinder 62.
  • the cylinder 62 has a hollow threaded channel 64 therein;
  • a screw 10, 13 is provided.
  • the screw 10, 13 comprises: a head 15, 50; an elongated stem 11 ,14.
  • the elongated stem 11 , 14 comprises: either a threaded first portion 20, 42 adjacent to the head 15, 50; and a non-threaded second portion 30, extending from the threaded first portion 20, 42; and a first breakaway 25 therebetween, wherein the first breakaway 25 releasably couples the non-threaded second portion 30 to the distal end C of the threaded first portion 20, or a threaded first portion 42 adjacent to the head 50 without the non-threaded second portion 30 extending from the threaded first portion 42 and a second breakaway 43, wherein the second breakaway 43 releasably couples the first surface 44 of the screw head 50 to a breakaway tab 45;
  • the non-threaded second portion 30 of the elongated stem 11 may be inserted into the hollow threaded channel 64 in the hinge 66 so that the non-threaded second portion 30 of the elongated stem 11 extends out of the hollow threaded channel 64 of the hinge 66.
  • the threaded first portion 42 of the elongated stem 14 may be inserted into the hollow threaded channel 64 in the hinge 66 by a user manipulating the insertion using the breakaway tab 45.
  • the threaded first portion 20, 42 of the elongated stem 11 , 14 may be aligned with the threads 63 of the hollow threaded channel 64 of the hinge 66.
  • the first threaded portion 20, 42 of the elongated stem 11 , 14 may be screwed into the hollow threaded channel 64 of the hinge 66 by rotating the threaded first portion 20, 42 of the elongated stem 11 , 14 that has been aligned with the threads 63 of the threaded hollow channel 64 of the hinge 66.
  • the breakaway tab 45 extends along a longitudinal axis of the screw 13, away from the first surface 44 of the screw head 50.
  • a first surface 79 of the breakaway tab 84 and a first surface 80 of the screw head 86 are coplanar, depicted in Fig. 5, and described in associated text.
  • a user may turn the breakaway tab 45 about its longitudinal axis to rotate the screw 13, wherein the breakaway tab 45 is releasably coupled to the first surface 44 of the screw head 50 by the second breakaway 43.
  • the breakaway tab 45, 84 is broken off from the first surface 44 of the screw head 50 at the second breakaway 43, or at the second breakaway 83, after the threaded first portion 42 of the elongated stem 14 catches at least one thread 63 of the threaded hollow channel 64 of the hinge 66.
  • the non-threaded second portion 30 of the elongated stem 11 is broken off at the first breakaway 25 from the threaded first portion 20 of the elongated stem 11 after the threaded first portion 20 of the elongated stem is essentially completely screwed into the threaded hollow channel 64 of the hinge 66.
  • step 102 of the method 90 inserting the non- threaded second portion 30 of the elongated stem 11 into the hollow threaded channel 64 in the hinge 66 so that the non-threaded second portion 30 of the elongated stem 11 extends out of the hollow threaded channel 64 of the hinge 66, by a user pulling the non-threaded second portion 30 of the elongated stem 11.
  • a user removes the non-threaded second portion 30 from the elongated stem 11 of the screw 10 after catching at least one thread 63 of the hollow threaded channel 64 of the hinge 66.
  • the breakaway tab 45 extends along a longitudinal axis of the screw 13, away from the first surface 44 of the screw head 50 when the breakaway tab 45 is broken off from the first surface 44 of the screw head 50 at the second breakaway 43, after the threaded first portion 42 of the elongated stem 14 catches at least one thread 63 of the threaded hollow channel 64 of the hinge 66.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Surgical Instruments (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Eyeglasses (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Dowels (AREA)
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  • Prostheses (AREA)
  • Connection Of Plates (AREA)
  • Food-Manufacturing Devices (AREA)
  • Hinges (AREA)
PCT/US2008/072386 2007-08-06 2008-08-06 Screw with breakaway and methods of using the same Ceased WO2009021073A2 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
KR1020167008198A KR20160038085A (ko) 2007-08-06 2008-08-06 브레이크어웨이를 포함한 나사 및 이를 이용하기 위한 방법
CA2695751A CA2695751C (en) 2007-08-06 2008-08-06 Screw with breakaway and methods of using the same
HK11101914.8A HK1147791B (en) 2007-08-06 2008-08-06 Screw with breakaway and methods of using the same
EP14190623.0A EP2843247B1 (en) 2007-08-06 2008-08-06 Screw with breakaway and methods of using same
KR1020177017652A KR20170078859A (ko) 2007-08-06 2008-08-06 브레이크어웨이를 포함한 나사 및 이를 이용하기 위한 방법
CN2008801021332A CN101815877B (zh) 2007-08-06 2008-08-06 具有断开结构的螺钉和使用该螺钉的方法
RU2010107894/12A RU2493446C2 (ru) 2007-08-06 2008-08-06 Винт с разрывным соединением и его применение
EP08782656.6A EP2174023B2 (en) 2007-08-06 2008-08-06 Screw with breakaway and methods of using the same
BRPI0814837A BRPI0814837A2 (pt) 2007-08-06 2008-08-06 parafuso, método de substituição de um parafuso em uma dobradiça, kit, sistema para orientar um parafuso em uma dobradiça
JP2010520292A JP2010535993A (ja) 2007-08-06 2008-08-06 ブレーカウェイを有するねじおよびそれを使用する方法
AU2008283850A AU2008283850B2 (en) 2007-08-06 2008-08-06 Screw with breakaway and methods of using the same
ES08782656T ES2528121T5 (es) 2007-08-06 2008-08-06 Tornillo con ruptura y métodos de uso del mismo
ZA2010/03664A ZA201003664B (en) 2007-08-06 2010-05-24 Screw with breakaway and methods of using the same

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US96351907P 2007-08-06 2007-08-06
US60/963,519 2007-08-06
US99372607P 2007-09-14 2007-09-14
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DE102010042260A1 (de) * 2010-10-11 2012-04-12 Hilti Aktiengesellschaft Verfahren zur Herstellung von drehmomentbegrenzten Befestigungsvorrichtungen
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CN103437429B (zh) * 2013-07-18 2016-04-20 浙江中隧桥波形钢腹板有限公司 波形钢板与平钢板栓接构件及制造工艺
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US11058469B2 (en) * 2013-12-13 2021-07-13 The University Of Akron Minimal shock set screw
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JP2014139475A (ja) 2014-07-31
AU2008283850A1 (en) 2009-02-12
CN101815877B (zh) 2013-07-17
US20110138592A1 (en) 2011-06-16
JP2010535993A (ja) 2010-11-25
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HK1147791A1 (en) 2011-08-19
AU2008283850B2 (en) 2013-05-23
WO2009021073A3 (en) 2009-06-04
RU2010107894A (ru) 2011-09-20
US20110123287A1 (en) 2011-05-26
US8070403B2 (en) 2011-12-06
CA2695751C (en) 2015-10-06
ES2528121T3 (es) 2015-02-04
RU2493446C2 (ru) 2013-09-20
US9493972B2 (en) 2016-11-15
ZA201003664B (en) 2011-12-28
EP2174023A4 (en) 2012-12-26
CN101815877A (zh) 2010-08-25
US20130139356A1 (en) 2013-06-06
US20090041559A1 (en) 2009-02-12
EP2843247B1 (en) 2022-02-16
ES2528121T5 (es) 2021-08-24
JP5806285B2 (ja) 2015-11-10
US8375546B2 (en) 2013-02-19
KR20100065311A (ko) 2010-06-16
EP2174023A2 (en) 2010-04-14
US8997327B2 (en) 2015-04-07
EP2174023B2 (en) 2020-11-11
KR20160038085A (ko) 2016-04-06
ES2913206T3 (es) 2022-06-01

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