[특허]Integrated fastening system

Uni-Screw Worldwide, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Integrated fastening system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B25B-023/00
미국특허분류(USC)	081/439; 081/440
출원번호	US-0175636 (2002-06-20)
우선권정보	GB-200210743 (2002-05-10)
발명자 / 주소	Brooks, Lawrence Antony Sidwell, Steven
출원인 / 주소	Uni-Screw Worldwide, Inc.
대리인 / 주소	Fish & Richardson P.C.
인용정보	피인용 횟수 : 11 인용 특허 : 4

초록
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A fastener system comprises a plurality of ranges of size of threaded fastener, each fastener having a head provided with a recess to receive a tool to rotatingly drive the fastener. In each range of sizes, the largest size of fastener has a recess comprising a plurality of driving recess tiers of reducing size superimposed on one another. The range of fasteners to be driven by the tool includes a first fastener whose recess is shaped to be drivingly engaged by at least the third and second smallest tiers of the tool, but not the smallest tier. The reces...

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1. A fastener system comprising a plurality of ranges of size of threaded fastener, each fastener having a head provided with a recess to receive a tool to rotatingly drive the fastener, each recess having a floor, and wherein:in each range of sizes, the largest size of fastener has a recess comprising a plurality of driving recess tiers of reducing size superimposed on one another, each recess tier having sides, which sides are substantially parallel a long axis of the fastener and define a polygon in section, each recess tier having a base, which base is the junction with the adjacent smaller tier recess, or with the floor of the recess in the case of the smallest recess tier;between two adjacent size ranges, there is a common recess tier, being the largest recess tier of the recess of the smaller size range and the smallest recess tier of the recess of the larger size range, which common recess tier is the same section in each range; andthe depth from the base of the largest recess tier to the floor of the smallest recess in the smaller size range is less than the depth of the smallest recess tier in the larger size range. 2. The fastening system of claim 1, wherein the fastener system includes two size ranges of fasteners comprising screws of diameters from 2 mm to 10 mm and from 10 mm to 30 mm. 3. The fastening system of claim 2, wherein the screws are size M2 machine screws to size M10 in the small size range and size M12 to M30 in the large size range. 4. The fastening system of claim 1, wherein the common recess tier is hexagonal in section. 5. The fastening system of claim 1, wherein the common recess tier has a diameter of about 6 mm. 6. The fastening system of claim 1, wherein the smaller size range of fasteners has three recess tiers in larger fasteners, two recess tiers in middle size fasteners, and one recess tier in the smallest fasteners. 7. The fastening system of claim 1, wherein in the smaller size range of fasteners, the larger fasteners have two recess tiers comprising the common recess tier of a first depth and a smaller recess tier of a second depth, and middle size fasteners have three recess tiers comprising the common recess tier of a second depth being less than the first, a smaller recess tier of a fourth depth less than the second, and a smallest recess tier. 8. The fastening system of claim 7, wherein small size fasteners have two recess tiers comprising said smaller recess tier and said smallest recess tier, and smallest size fasteners have one recess tier comprising said smallest recess tier. 9. The fastening system of claim 1, wherein the recess tiers are formed using a set of punches having recess tier-forming, said set including one punch for a smaller size range of fasteners that has a largest recess tier-forming section of a common section, and another punch that has a smallest recess tier-forming section of the same common section. 10. The fastening system of claim 1, wherein the common recess tier has a diameter of 5.9 mm. 11. A fastening system for a range of different sizes of fastener in which each fastener is provided with a recess to receive a tool to rotatingly drive the fastener, wherein:the tool has an end, on which end at least three tiers of driving section are provided, each tier comprising sides disposed substantially parallel a long axis of the tool and forming a polygon in section, the tiers becoming progressively smaller in section near the end of the tool; andthe range of fasteners to be driven by the tool includes a first fastener whose recess is shaped to be drivingly engaged by at least the third and second smallest tiers of the tool, but not the smallest tier, the recess receiving the second smallest tier of the tool being deep enough to accommodate the smallest tier of the tool without any driving engagement therebetween, and without preventing full engagement of said second and third tiers in the corresponding recess tiers of the recess in the fastener. 12. The fast ening system of claim 11, wherein the range of fasteners to be driven by the tool includes a second, smaller fastener whose recess is shaped to be driven by the smallest, and the second and third smallest, tiers of the tool, wherein:when the tool is inserted in a recess of a fastener to the maximum extent permitted by the size of the tool and recess, each tier of the tool has a depth of engagement with a corresponding one of said recess tiers of a fastener, which depth of engagement is the overlap between said tier of the tool and said corresponding recess tier of the fastener; andthe recesses of the first and second fasteners are such that the depth of engagement of the third smallest tier of the tool in the recess of the second fastener is less than the depth of engagement of the third smallest tier of the tool in the recess of the first fastener. 13. The fastening system of claim 11, wherein the range of fasteners comprises screws of diameters from 2 mm to 10 mm. 14. The fastening system of claim 13, wherein the screws are size M2 machine screws to size M10. 15. The fastening system of claim 11, wherein the range includes a second, smaller fastener whose recess is shaped to be driven by the smallest, and the second and third smallest, tiers of the tool, wherein:the recesses of the first and second fasteners are such that the depth of engagement of the third smallest tier of the tool in the recess of the second fastener is less than the depth of engagement of the third smallest tier of the tool in the recess of the first fastener; andsaid first screw is M10 and said second screw is M8. 16. The fastening system of claim 15, wherein the recesses of the first and second fasteners are such that the depth of engagement of the third smallest tier of the tool in the recess of the second fastener is about 1 mm and the depth of engagement of the third smallest tier of the tool in the recess of the first fastener is about 3 mm. 17. The fastening system of claim 11, wherein the tiers are hexagonal in section. 18. The fastening system of claim 11, the third smallest tier has a diameter of about 6 mm. 19. The fastening system of claim 11, wherein the recess tiers are formed using a set of punches having recess tier-forming sections, said set including a first punch for a smaller size of fastener and that has three recess tier-forming sections, and a second punch for a larger size of fastener and that has two recess tier-forming sections, wherein:the larger recess tier-forming section of the second punch has the same-sized section as the largest recess tier-forming section of the first punch;the smaller recess tier-forming section of the second punch has the same-sized section as the middle sized recess tier-forming section of the first punch; andeach recess tier-forming section has a length corresponding to a depth of a recess tier of the fastener, the length of the smaller recess tier-forming section of the second punch being the same or longer than the combined length of the middle sized recess tier-forming section and smallest recess tier-forming section of the first punch. 20. The fastening system of claim 11, wherein the third smallest tier has a diameter of 5.9 mm.

이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 피인용횟수: 11

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Integrated fastening system

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Integrated fastening system

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