Ratchet mechanism

Details Ratchet mechanism Ratchet mechanism

1987-04-01

1988-12-20

Meislin, Debra

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5713, 81 5729, B25B 1346

Patent

active

047918365

ABSTRACT:
An improved ratchet wrench tool ratcheting mechanism is provided wherein springs encased in the shank spindle have balls at each end of the springs to abut fixed washer surfaces so that tool operation and life is improved by increasing the frictional force and reducing the spring stress, unbalanced load, and housing yoke wear experienced by prior art mechanisms.

REFERENCES:
patent: 2776588 (1957-01-01), Livermont
patent: 3621738 (1971-11-01), Northcutt
patent: 4086829 (1978-05-01), Hudgins
patent: 4183260 (1980-01-01), Wagner et al.
patent: 4346630 (1982-02-01), Hanson

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