[특허]Utility coupler with failsafe features

ATI Industrial Automation, Inc.

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특허 상세정보

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Utility coupler with failsafe features

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01R-013/62
미국특허분류(USC)	439/372;
출원번호	US-0572359 (2012-08-10)
등록번호	US-8794993 (2014-08-05)
발명자 / 주소	Norton, Daniel Allen
출원인 / 주소	ATI Industrial Automation, Inc.
대리인 / 주소	Coats and Bennett, P.L.L.C.
인용정보	피인용 횟수 : 1 인용 특허 : 19

초록

A utility coupler comprises a coupling unit that is coupled to a tool unit via the reciprocal linear actuation of a hooking cam member in the coupling unit engaging a latching pin in the tool unit. The hooking cam member includes a composite cam surface operative to couple and hold the two units together as the latching pin engages different surfaces of the composite cam surface. Failsafe features prevent the inadvertent decoupling of the units.

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1. A utility coupler operative to provide one or more utilities to industrial equipment, comprising: a tool unit affixed to industrial equipment, the tool unit comprising a housing having a generally flat surface with a longitudinal groove formed therein along a longitudinal axis parallel to the surface, the length of the groove along the housing surface exceeding the depth of the groove into the housing;a latching pin disposed in the groove transverse to the groove axis; andone or more tool unit utility couplings; anda coupling unit comprising a housing;a hooking cam member reciprocally moveable in the housing in a linear direction along the groove axis and operative to capture the latching pin;a composite cam surface on the hooking cam member operative to engage the latching pin and lock the coupling unit to the tool unit as the hooking cam member moves linearly within the groove along the groove axis; andone or more coupling unit utility couplings operative to directly contact and mate with corresponding tool unit utility couplings to pass utilities to industrial equipment when the tool unit and coupling unit are coupled together. 2. The utility coupler of claim 1 wherein the composite cam surface comprises: an initial contact surface operative to contact the latching pin and pull the coupling unit to the tool unit as the hooking cam member is linearly actuated from a fully decoupled to a partially coupled position;a locking surface operative to fully couple the coupling unit to the tool unit as the hooking cam member is linearly actuated to a fully coupled position; anda failsafe surface interposed between the initial contact surface and the locking surface, the failsafe surface operative to negate any force from the latching pin on the hooking cam member in direction to decouple the coupling unit from the tool unit. 3. The utility coupler of claim 2 wherein the composite cam surface further comprises: a failsafe lobe disposed between the failsafe surface and the initial contact surface and operative to oppose movement of the hooking cam member in direction to decouple the coupling unit from the tool unit. 4. The utility coupler of claim 1 further comprising: a handle coupled to the hooking cam member and operative to actuate the hooking cam member reciprocally under manual actuation. 5. The utility coupler of claim 4 wherein the handle actuates the hooking cam member reciprocally between decoupled and coupled positions under manual actuation via a linking rod. 6. The utility coupler of claim 5 wherein the handle connects to the linking rod via an over-center linkage operative to increase the force applied by the handle to the linking rod, by mechanical advantage, as the hooking cam member approaches the fully coupled position. 7. The utility coupler of claim 4 wherein the handle includes a safety latch operative to latch to the coupling unit housing when the handle is actuated to a fully coupled position. 8. The utility coupler of claim 1 wherein the coupling unit further comprises at least one alignment pin and the tool unit further comprises at least one alignment hole in the housing thereof, the alignment pin and hole operative to align the coupling unit and tool unit as the two are moved together. 9. The utility coupler of claim 1 wherein the tool unit comprises a plurality of latching pins, and wherein the coupling unit comprises a corresponding plurality of hooking cam members, each operative to capture a corresponding latching pin. 10. A method of supplying utilities to industrial equipment comprising a tool unit including a groove formed along a surface of a housing thereof, with a latching pin transversely mounted in the groove, and one or more utility couplings operative to directly contact and mate with corresponding utility couplings on a coupling unit when the tool unit and coupling unit are coupled together, the method comprising: positioning the coupling unit having a hooking cam member mounted so as to reciprocally move in a linear direction in response to the actuation of a handle, so that the hooking cam member is disposed within the groove of the tool unit and the latching pin enters the interior of the hooking cam member; andmoving the hooking cam member linearly along the axis of the groove to couple the coupling unit to the tool unit by interaction of the latching pin with cam surfaces in the hooking cam member. 11. The method of claim 10 wherein coupling the coupling unit to the tool unit by interaction of the latching pin with cam surfaces in the hooking cam member comprises: pulling the coupling unit to the tool unit as an initial contact surface advances past the latching pin; andlocking the coupling unit to the tool unit as a locking surface contacts the latching pin. 12. The method of claim 11 wherein coupling the coupling unit to the tool unit further comprises: advancing a failsafe surface, interposed between the initial contact surface and the locking surface, past the latching pin, wherein the latching pin exerts no force on the hooking cam member along the direction of its linear motion while the latching pin contacts the failsafe surface. 13. The method of claim 12 wherein coupling the coupling unit to the tool unit further comprises: advancing a failsafe lobe, interposed between the failsafe surface and the initial contact surface, past the latching pin, thereby capturing the latching pin so as to require the application of a force on the hooking cam member, along the direction of its linear motion and in a direction toward the decoupled position, to release the latching pin. 14. The method of claim 10 wherein actuating moving the hooking cam member comprises manually actuating a handle operative to move the hooking cam member with increasing force as the handle approaches the fully coupled position, due to mechanical advantage provided by an over-center linkage between the handle and the coupling unit. 15. The method of claim 14 further comprising latching the handle to the coupling unit housing when the handle is actuated to a fully coupled position. 16. The method of claim 10 further comprising aligning the coupling unit to the tool unit, prior to moving the hooking cam member, by aligning alignment pins on the coupling unit with alignment holes in the tool unit. 17. A manually actuated utility coupler, comprising: a tool unit comprising a housing having a generally flat surface with a longitudinal groove formed therein along a longitudinal axis parallel to the surface, the length of the groove along the housing surface exceeding the depth of the groove into the housing, a latching pin disposed in the groove transverse to the groove axis, and one or more tool unit utility couplings; anda coupling unit comprising one or more coupling unit utility couplings operative to directly contact and mate with corresponding tool unit utility couplings to pass utilities when the tool unit and coupling unit are coupled together, and coupling means for coupling the coupling unit to the tool unit, without applying torque, to capture the latching pin in a hooking cam member and move it along a composite cam surface. 18. The utility coupler of claim 17, wherein the hooking cam member is reciprocally moveable in the housing in a linear direction along the groove axis. 19. The utility coupler of claim 17 wherein the composite cam surface comprises: an initial contact surface operative to contact the latching pin and pull the coupling unit to the tool unit as the hooking cam member is linearly actuated from a fully decoupled to a partially coupled position;a locking surface operative to fully couple the coupling unit to the tool unit as the hooking cam member is linearly actuated to a fully coupled position; andfailsafe means for resisting the utility coupler from decoupling. 20. The utility coupler of claim 19 wherein the failsafe means comprises a cam surface parallel to the direction of motion of the hooking cam member, such that the latching pin cannot urge the hooking cam member in a direction to decouple the units when the latching pin contacts the failsafe surface. 21. The utility coupler of claim 19 wherein the failsafe means comprises a lobe formed in the composite cam surface, the lobe operative to capture the latching pin and require the application of force to move the hooking cam member past the latching pin in direction to decouple the coupling unit from the tool unit.

이 특허에 인용된 특허 (19)

이 특허를 인용한 특허 피인용횟수: 1

Sundarakrishnamachari, Rangarajan; Niranjan, Sivakumar; Kandasamy, Velmurugan; Schneider, John. Electrical connector with cam actuated terminal lock. USP20180910079446.

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Utility coupler with failsafe features

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Utility coupler with failsafe features

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이 특허에 인용된 특허 (19)

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