Ratchet tool

Details Ratchet tool Ratchet tool

1996-11-26

1998-05-19

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Automatic

81 591, 81 631, B25B 1504, F16D 4108

Patent

active

057525900

ABSTRACT:
A ratchet tool includes a housing having a bole for rotatably receiving a rod and having one or more grooves for receiving supporting members and having a curved slot formed around the hole for receiving two rollers. The curved slot includes narrower ends or center portion for allowing the rollers to engage with the rod and the housing for allowing the housing to rotate the rod. The rod may be driven to rotate in one direction when only one of the rollers is engaged with the rod and the housing. The ratchet tool may be used for screw drivers or for wrenches.

REFERENCES:
patent: 1904621 (1933-04-01), Kounovsky
patent: 3908487 (1975-09-01), Plaw
patent: 4884478 (1989-12-01), Lieser
patent: 5535648 (1996-07-01), Braun et al.

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