Screw rotating tool

Details Screw rotating tool Screw rotating tool

1999-06-09

2000-09-05

Eley, Timothy V.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5713, B25B 1700

Patent

active

061126217

ABSTRACT:
Merely a handle-rotating operation allows a screw part such as a bolt or a nut to be tightened or loosened without rotating the screw part when the handle is rotated in a reverse direction. A frame of a screw-rotating tool supports a socket shaft rotatably. A transmission shaft and a handle shaft are rotatably supported on the frame in an axial direction different from an axial direction of the socket shaft. The screw-rotating tool includes a rotation transmission mechanism connecting the socket shaft and the transmission shaft with each other, with the axial direction of the socket shaft and that of the transmission shaft different from each other; a first reverse rotation prevention mechanism formed on the frame to limit both-way rotation of the transmission shaft to one-way rotation; and a second reverse rotation prevention mechanism limiting both-way rotation of the handle shaft to be transmitted to the transmission shaft to one-way rotation.

REFERENCES:
patent: 4311072 (1982-01-01), Hudgins
patent: 4474089 (1984-10-01), Scott
patent: 4528873 (1985-07-01), Lee
patent: 6047616 (2000-04-01), Ochiai

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