Ratchet wrench

Details Ratchet wrench Ratchet wrench

1999-01-13

2000-08-29

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 632, 8117785, B25B 1346

Patent

active

061091405

ABSTRACT:
A ratchet wrench including a handle, a drive stud and a ratchet mechanism further includes a tool release mechanism. The tool release mechanism includes a control rod that slides along the centerline of the drive stud and a ramp that is slidable in a plane transverse to the drive stud axis. The illustrated actuator is confined to the region of the ratchet wheel, and does not move between the pawl of the ratchet mechanism and the head of the wrench. Centering elements extend from the head of the wrench into an annular recess on a face of the ratchet wheel opposed to the drive stud. The actuator moves in a gap formed between opposed portions of the centering element.

REFERENCES:
patent: 3208318 (1965-09-01), Roberts
patent: 4277990 (1981-07-01), Hall
patent: 4420995 (1983-12-01), Roberts
patent: 4934220 (1990-06-01), Slusar et al.
patent: 5000066 (1991-03-01), Gentiluomo
patent: 5390571 (1995-02-01), Fox et al.

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