Hand tool with impact drive and speed reducing mechanism

Details Hand tool with impact drive and speed reducing mechanism Hand tool with impact drive and speed reducing mechanism

2006-07-25

2006-07-25

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S057000, C081S060000, C173S168000

Reexamination Certificate

active

07080578

ABSTRACT:
A power driven tool useful for tightening and loosening a mechanical fastener includes an impact mechanism. Preferably, the tool is pneumatic and includes a ratchet head and an impact device for providing additional torque to the ratchet head. A planetary reduction gear reduces the high output speed of a pneumatic motor for input into the impact device and reduces wear on the impact device.

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