[특허]Adapter for increasing the stroke length of a fastener installation tool

Nikkel, Robert E.

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특허 상세정보

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Adapter for increasing the stroke length of a fastener installation tool

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B21D-039/00 B21J-015/02 B23P-011/00
미국특허분류(USC)	029/524.1; 029/243.521; 029/243.522; 029/525.06; 029/525.05; 029/812.5; 072/453.19; 072/466.4
출원번호	US-0229899 (2011-09-12)
등록번호	US-8640322 (2014-02-04)
발명자 / 주소	Nikkel, Robert E.
출원인 / 주소	Nikkel, Robert E.
대리인 / 주소	Furst, Marian J.
인용정보	피인용 횟수 : 0 인용 특허 : 19

초록
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Adapter for increasing the stroke length of a fastener installation tool. The adapter includes a tensile member with a first rack gear, a compressive member with a second rack gear, and a plurality of pinion gears retained within a pinion gear housing. The tensile member is mateable with the puller shaft of the installation tool and with the tensile member of an installation head. The pinion gear housing is mateable with the body of the installation tool. The distal end of the compressive member is mateable with a reducing member, which in turn mates wit...

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1. An adapter for use in installing blind fasteners using an installation tool and an installation head, said installation tool having a puller shaft for applying tensile force and a tool body portion for applying compressive force, said installation head having a gripping mechanism for applying tensile force to a fastener and a sleeve surrounding the gripping mechanism for applying compressive force, said adapter comprising: a tension member having a proximal end mateable with the puller shaft of the installation tool and a distal end mateable with the gripping mechanism of the installation head, said tension member also having a first rack gear formed in its outer surface;a compression member having an opening therethrough with an inner surface and disposed around said tension member, the opening sized to accommodate relative axial sliding of said tension member relative to said compression member, said compression member having a second rack gear formed in said inner surface;means for mounting said compression member to the installation head sleeve;a pinion gear housing mateable with the tool body; anda plurality of pinion gears retained within said housing and engaged with said first and second rack gears;wherein said adapter is operative to increase a stroke length provided by the installation tool. 2. The adapter of claim 1, wherein said adapter is operative to double the stroke length provided by the installation tool. 3. The adapter of claim 1, wherein four pinion gears are retained within said housing. 4. The adapter of claim 1, wherein said adapter is operative to decrease the time required for installing a fastener. 5. The adapter of claim 1, wherein said means for mounting comprises a reducing member having a substantially cylindrical opening therethrough, a proximal end mateable with the distal end of said compression member and a distal end mateable with the installation head sleeve. 6. An assembly for installing blind fasteners, said assembly comprising: a fastener installation tool having a puller shaft for applying tensile force and a tool body for applying compressive force during operation;a fastener installation head having a gripping mechanism for applying tensile force to a fastener and a sleeve surrounding said gripping mechanism for applying compressive force; andan adapter joining said tool and said installation head, said adapter comprising: a tension member having a proximal end mateable with said puller shaft of said installation tool and a distal end mated with said gripping mechanism of said installation head, said tension member also having a first rack gear formed in its outer surface;a compression member having an opening therethrough with an inner surface and disposed around said tension member, the opening sized to accommodate relative axial sliding of said tension member relative to said compression member, said compression member having a second rack gear formed in said inner surface;means for mounting said compression member to the installation head sleeve;a pinion gear housing mated with the tool body; anda plurality of pinion gears retained within said housing and engaged with said first and second rack gears;wherein said adapter is operative to increase a stroke length provided by the installation tool. 7. The assembly of claim 6, wherein said adapter is operative to double the stroke length provided by the installation tool. 8. The assembly of claim 6, comprising four pinion gears retained within said housing. 9. The assembly of claim 6, wherein said adapter is operative to decrease the time required for installing a fastener. 10. The assembly of claim 6, wherein said means for mounting comprises a reducing member having a substantially cylindrical opening therethrough, a proximal end mated with the distal end of said compression member and a distal end mated with said installation head sleeve. 11. A method for increasing a tool stroke length for installing a blind fastener into a workpiece, said method comprising the steps of: providing an installation tool assembly, said assembly comprising: a fastener installation tool having a puller shaft for applying tensile force and a tool body for applying compressive force during operation;a fastener installation head having a gripping mechanism for applying tensile force to a fastener and a sleeve surrounding said gripping mechanism for applying compressive force, said tool having a stroke length for relative axial motion between said puller shaft and said tool body; andan adapter joining said tool and said installation head, said adapter comprising: a tension member having a proximal end mated with said puller shaft of said installation tool and a distal end mated with said gripping mechanism of said installation head, said tension member also having a first rack gear formed in its outer surface;a compression member having an opening therethrough with an inner surface and disposed around said tension member, the opening sized to accommodate relative axial sliding of said tension member relative to said compression member, said compression member having a second rack gear formed in said inner surface;means for mounting said compression member to the installation head sleeve;a pinion gear housing mated with the tool body; anda plurality of pinion gears retained within said housing and engaged with said first and second rack gears;wherein said adapter is operative to increase a stroke length provided by the installation tool;providing a workpiece having a hole extending therethrough sized to accommodate said blind fastener;inserting said blind fastener through the hole and gripping a stem of said fastener with said gripping mechanism; andusing said tool puller shaft to simultaneously apply tensile force to said tensile member of said adapter and compressive force to said pinion gear housing, thereby causing said first rack gear to drive said pinion gears, which in turn drive said second rack gear. 12. The method of claim 11, wherein said using step comprises installing said fastener using a single tool stroke. 13. The method of claim 11, wherein: said first and second rack gears have a 1:1 gear ratio; andsaid using step comprises providing a stroke length to said fastener head that is twice said tool stroke length. 14. The method of claim 11, wherein said using step comprises providing a stroke length to said fastener head that is longer than about ⅜ inch. 15. The method of claim 11, wherein said using step decreases the time required for installing a fastener. 16. The method of claim 11, wherein said means for mounting comprises a reducing member having a substantially cylindrical opening therethrough, a proximal end mated with the distal end of said compression member and a distal end mated with said installation head sleeve.

이 특허에 인용된 특허 (19)

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Adapter for increasing the stroke length of a fastener installation tool

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Adapter for increasing the stroke length of a fastener installation tool

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이 특허에 인용된 특허 (19)

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