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2024年3月22日发(作者：listpreferences中文意思)

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专利名称：Jaw alignment pin for a stretch jaw chuck

发明人：Everett L. Stoneman

申请号：US06/002246

申请日：19870112

公开号：US04712831A

公开日：19871215

摘要：A pin assembly for removably attaching a jaw portion of a translatable jaw of a

stretch jaw chuck through an elongated slotted opening in the chuck wall. A bushing is

threaded into mating threads in a bore in the jaw portion. The bushing has a centrally

positioned substantially rectangular shaped opening extending therethrough with a slot

formed on the bottom exterior surface of the bushing adjacent to each elongated side of

the rectangular opening therethrough. An attachment pin is provided with a first end

configured to pass through the opening in the bushing and latch into the aligned slots on

the outer surface. The pin has a coil spring confined between a pair of flat washers. The

first washer adjacent the second end of the pin rides against a nut adjustable along a

threaded portion of the pin. When the first end of the pin is inserted through a selected

slotted opening in the chuck housing, through the bushing floor opening and rotated

into locking engagement with the slots, the pin is secured to the bushing by the second

washer biased by the spring against the chuck housing outer surface. The pin assemblies

removably connected to the jaw portions are translatable along the slots relative to the

chuck housing.

申请人：ROHR INDUSTRIES, INC.

代理人：Patrick J. Schlesinger,Frank D. Gilliam

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