Fastener installation tool

Details Fastener installation tool Fastener installation tool

2007-10-30

2007-10-30

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S055000

Reexamination Certificate

active

11531844

ABSTRACT:
An improved fastener installation tool is provided of the type having a fixture pin for seated reception into a mating recess at the shank end of a threaded fastener, while a power-driven tool socket installs a threaded nut onto the fastener shank. The installation tool includes an improved spring-loaded clutch unit for normally supporting the fixture pin against rotation, but permitting fixture pin rotation in response to a torque load exceeding a predetermined limit thereby preventing fixture pin breakage. The clutch unit is adapted for quick and easy disengagement from the fixture pin, and pivotal displacement to an out-of-the-way position to permit quick and easy fixture pin removal and replacement.

REFERENCES:
patent: 5109735 (1992-05-01), Hart
patent: 5305666 (1994-04-01), LaTorre
patent: 5553519 (1996-09-01), Pettit, Jr.
patent: 6935209 (2005-08-01), Lantow et al.
patent: 6959625 (2005-11-01), Pettit, Jr.
patent: 2004/0177724 (2004-09-01), Pettit, Jr.

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