One-way drive mechanism and corresponding ratchet tool

Details One-way drive mechanism and corresponding ratchet tool One-way drive mechanism and corresponding ratchet tool

1997-05-23

1999-06-29

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 632, 192 432, B25B 1346

Patent

active

059163399

ABSTRACT:
A one-way drive rotor (3) is accommodated in a bore (4) of a driving part (1) of a tool and is held, on the one hand, by a shoulder (14) integral with the rotor and, on the other hand, by an annular component (7) on which the head (34) of a central screw (13) screwed into the rotor bears. The extent to which this screw is tightened defines the axial play of the rotor. The screw is hollow and has a push rod (9) passing through it which allows a ball (6) to be locked or released, this ball positively retaining a rotary member such as a drive socket, which is fitted onto the end fitting (5) which extends the rotor.

REFERENCES:
patent: 2103556 (1937-12-01), Rueb
patent: 3783703 (1974-01-01), Trimble et al.
patent: 4211127 (1980-07-01), D'Oporto et al.
patent: 4497227 (1985-02-01), Stasiek
patent: 4669339 (1987-06-01), Cartwright
patent: 5086673 (1992-02-01), Korty
patent: 5178047 (1993-01-01), Arnold et al.

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