| 摘要 |
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 socket installs a threaded nut onto the fastener shank. The installation tool includes a spring-loaded clutch assembly for supporting the fixture pin on the tool, wherein the clutch assembly permits fixture pin rotation in response to a torque load exceeding a predetermined limit to prevent fixture pin breakage in the event of a high torque load applied thereto.
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