Work holders – Holder inserted within work aperture
Patent
1997-05-09
2000-02-08
Eley, Timothy V.
Work holders
Holder inserted within work aperture
269289R, 269292, 269310, B23Q 100
Patent
active
060220090
ABSTRACT:
A top load threaded bolt assembly (60) for restraining a workpiece (36) on a operating surface (32) of a tooling fixture (50) is provided. Top load threaded bolt assembly (60) includes a housing (66) having a bolt cavity (75) and a bolt passage (76) disposed within housing (66). A bolt (64) having a first threaded portion (70) is disposed within bolt cavity (75) such that first threaded portion (70) extends above a operating surface (32) of tooling fixture (50). The top load threaded bolt assembly (60) may be disposed in the operating surface (32) of tooling fixture (50). Top load threaded bolt assembly (60) may further include a conical spring (62) to bias bolt (64) in an extended position. Bolt (64) may be secured in a non-extended position by threading a second threaded portion (72) into a threaded passage (58) which is adjacent bolt cavity (75) and opposite bolt passage (76).
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Back-Bolt Assembly Design Information, DS-004.002, Vought Aircraft Company, a Division of Northrop Grumman, dated Oct. 29, 1993.
Anderson Terry J.
Eley Timothy V.
Halpern Benjamin M.
Hoch Jr. Karl J.
Northrop Grumman Corporation
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