[특허]Retractable prewinder assembly with infinite adjustability for installation of helically coiled wire inserts

Newfrey LLC

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Retractable prewinder assembly with infinite adjustability for installation of helically coiled wire inserts

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23P-011/00 B23Q-017/00 B25B-017/00 B25B-021/00 E02D-007/02 B23P-019/04
미국특허분류(USC)	029/240.5; 029/407.05; 081/057.11; 173/048
출원번호	US-0491626 (2009-06-25)
등록번호	US-8495807 (2013-07-30)
발명자 / 주소	Szewc, Jan Giannakakos, William Lutkus, William J. Graham, Anthony
출원인 / 주소	Newfrey LLC
대리인 / 주소	Harness, Dickey & Pierce, P.L.C.
인용정보	피인용 횟수 : 1 인용 특허 : 17

초록
▼

A prewinder apparatus attachable to a drive tool to install a helical coil insert includes a body connected to the drive tool. An adapter rotates and is releasably connected to the body at operator selected positions. A prewinder portion displaces in/out of the body. The prewinder portion translates into the body until a fastener engaged with the prewinder portion contacts a stop member defining a predetermined helical coil insert insertion depth. A mandrel axially extends from the prewinder portion when the prewinder portion moves into the body to rotat...

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1. A prewinder apparatus attached to a drive tool for installation of a helical coil insert, the prewinder apparatus comprising: a body connected to the drive tool;an adapter rotatable with respect to the body and releasably connected to the body at operator selected ones of a plurality of rotated positions, the adapter having a plurality of insert engagement threads created on an internal diameter of the adapter and a longitudinal cavity;a prewinder portion slidably displaceable into and out of the body coaxial to a longitudinal axis of the body and the adapter, and biased by a first biasing member toward an extended position;a mandrel axially extensible from the prewinder portion when the prewinder portion is slidably displaced into the body against a biasing force of the first biasing member, the mandrel adapted to engage the helical coil insert to rotatably insert the coil insert; anda threaded insert having outwardly facing threads engaged with the insert engagement threads, the threaded insert non-rotatably retained within the longitudinal cavity of the adapter allowing infinitely adjustable axial displacement of the threaded insert in the longitudinal cavity by rotation of the adapter causing engagement of the insert threads with the insert engagement threads to longitudinally displace the threaded insert. 2. The prewinder apparatus of claim 1, further including: a flat surface portion of the adapter defining an elongated cavity within the adapter; anda fastener engaged with the prewinder portion having a fastener head axially movable within the elongated cavity. 3. The prewinder apparatus of claim 2, wherein the threaded insert at any location within the longitudinal cavity creates a stop position for axial travel of the prewinder portion by contact within the longitudinal cavity between the fastener head and the threaded insert, the stop position further defining a depth of insertion of the coil insert. 4. The prewinder apparatus of claim 2, further including an end wall of the adapter wherein the prewinder portion is retained partially in the body at the extended position by contact with the end wall of the adapter. 5. The prewinder apparatus of claim 1, wherein the mandrel further includes: a flange end; anda slot created in the flange end. 6. The prewinder apparatus of claim 5, further including a first clutch assembly having: a clutch tube slidably received in the body and releasably retained by contact with a contact wall of the body, the clutch tube having an end wall;a drive member releasably connected to the clutch tube, the drive member having a male drive end releasably engaged within the slot in the flange end of the mandrel to rotate the mandrel by rotation of the drive member using a motive force of the drive tool; anda second biasing member received in the clutch tube contacting the flange end of the mandrel and the end wall of the clutch tube and acting to bias the flange end of the mandrel toward the male drive end of the drive member, the mandrel releasable from the drive member by axial extension of the mandrel causing compression of the second biasing member when the helically coiled insert reaches an installed position. 7. The prewinder apparatus of claim 1, further including: a first clutch assembly adapted to allow coupling/de-coupling of the mandrel from the drive tool; anda second clutch assembly adapted to stall the drive tool following installation of the coil insert. 8. The prewinder apparatus of claim 7, wherein the second clutch assembly includes: a stall sleeve having a plurality of inner cavity threads;a stall coupling being both slidably and threadably receivable within an inner bore of a stall sleeve and further including a plurality of outer perimeter threads adapted to be threadably engaged with the plurality of inner cavity threads of the stall sleeve; anda drive socket axially translatable within the stall coupling;wherein upon full threaded engagement of the outer perimeter threads with the inner cavity threads an end face of the stall coupling contacts an interior wall face of the stall sleeve preventing further axial translation of the stall coupling to frictionally stall the drive tool. 9. The prewinder apparatus of claim 1, wherein the mandrel includes a threaded first end adapted to be threadably received in a threaded longitudinal aperture of the mandrel portion, rotation of the mandrel with respect to the threaded longitudinal aperture acting to drive the prewinder portion either into or out of the body. 10. The prewinder apparatus of claim 1, wherein the prewinder portion is slidably translatable into the body until a fastener engaged with the prewinder portion contacts a stop member defining a predetermined depth of insertion for the helically coiled insert, and wherein the prewinder portion is extendable out of the body until the fastener contacts an end wall of the adapter. 11. The prewinder apparatus of claim 1, further comprising at least one adapter fastener received through the adapter having a shank, the shank adapted to slidably fit into a circumferential ring of the body in a first condition to allow the adapter to rotate with respect to the body, and the shank adapted when fully engaged in frictional contact with the body in a second condition to nonrotatably fix the adapter to the body. 12. A prewinder apparatus attached to a drive tool for installation of a helical coil insert, the prewinder apparatus comprising: a body connected to the drive tool;a mandrel axially extensible from the body, the mandrel adapted to engage the helical coil insert to rotatably insert the coil insert;a drive member releasably engaged to the mandrel and adapted to rotate the mandrel;a clutch assembly including: a stall sleeve having a plurality of inner cavity threads;a stall coupling being both slidably and threadably receivable within an inner bore of the stall sleeve and further including a plurality of outer perimeter threads adapted to be threadably engaged with the plurality of inner cavity threads of the stall sleeve; anda drive socket connected for rotation to the drive tool and axially translatable within the stall coupling; anda prewinder portion slidably displaceable into and out of the body coaxial to a longitudinal axis of the body and biased by a first biasing member toward an extended position;wherein upon full threaded engagement of the outer perimeter threads with the inner cavity threads an end face of the stall coupling contacts a wall of the stall sleeve preventing further axial translation of the stall coupling to frictionally stall the drive tool. 13. The prewinder apparatus of claim 12, wherein the stall coupling includes at least one biasing member positioned within the stall coupling adapted to bias the stall coupling axially away from the drive member. 14. The prewinder apparatus of claim 13, wherein the drive socket further includes an engagement flange radially extending outwardly from the drive socket defining a contact wall for the at least one biasing member. 15. The prewinder apparatus of claim 14, wherein the engagement flange includes a plurality of extending keys integrally extending from an outer perimeter of the engagement flange, individual ones of the plurality of extending keys adapted to be slidably received in each of a plurality of longitudinal slots created on an inner wall of the stall coupling allowing the drive socket to slidably translate within the stall coupling while simultaneously causing the stall coupling to co-rotate together with the drive socket. 16. A prewinder apparatus attached to a drive tool for installation of a helical coil insert, the prewinder apparatus comprising: a body connected to the drive tool;a mandrel axially extensible from the body, the mandrel adapted to engage the helical coil insert to rotatably insert the coil insert;a drive member releasably engaged to the mandrel and adapted to rotate the mandrel;a clutch assembly including: a stall sleeve having a plurality of inner cavity threads;a stall coupling being both slidably and threadably receivable within an inner bore of the stall sleeve and further including a plurality of outer perimeter threads adapted to be threadably engaged with the plurality of inner cavity threads of the stall sleeve; anda drive socket connected for rotation to the drive tool and axially translatable within the stall coupling;wherein upon full threaded engagement of the outer perimeter threads with the inner cavity threads an end face of the stall coupling contacts a wall of the stall sleeve preventing further axial translation of the stall coupling to frictionally stall the drive tool; andan adapter rotatable with respect to the body and releasably connected to the body at operator selected ones of a plurality of rotated positions. 17. A prewinder apparatus attached to a drive tool for installation of a helical coil insert, the prewinder apparatus comprising: a body connected to the drive tool;a prewinder portion movable with respect to the body;a mandrel axially extensible from the prewinder portion, the mandrel adapted to engage the helical coil insert to rotatably insert the coil insert;a drive system adapted to rotate the mandrel and translate the mandrel in each of an installation direction and a retraction direction;a disengagement mechanism adapted to disengage the mandrel from the drive system when the helical coil insert reaches an installed position by translation of the mandrel in the installation direction, the disengagement mechanism adapted to stop rotation of the mandrel when the mandrel is retracted in the retraction direction to a fully retracted position; andan adapter rotatable with respect to the body and releasably connected to the body at operator selected ones of a plurality of rotated positions. 18. The prewinder apparatus of claim 17, wherein the prewinder portion is partially received in the adapter and is slidably and axially displaceable with respect to the adapter toward and away from the body coaxial to a longitudinal axis of the body and the adapter. 19. The prewinder apparatus of claim 18, wherein the prewinder portion is slidably translatable toward the body until a fastener engaged with the prewinder portion contacts a stop member threadably received in the adapter defining a predetermined depth of insertion for the helical coil insert.

인용문헌 (17)

이 특허를 인용한 특허 (1)

Nikkel, Robert E., Adapter for increasing the stroke length of a fastener installation tool.

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Retractable prewinder assembly with infinite adjustability for installation of helically coiled wire inserts

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인용문헌 (17)

이 특허를 인용한 특허 (1)

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Retractable prewinder assembly with infinite adjustability for installation of helically coiled wire inserts

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IPC 상세정보(version : 201201)

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