Automotive ratchet wrench

Details Automotive ratchet wrench Automotive ratchet wrench

1993-06-04

1994-07-05

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

B25B 1346

Patent

active

053257430

ABSTRACT:
The present invention comprises a ratchet wrench which has a pawl and spring arrangement such that the pawl's rotational movement is limited when out of engagement with the ratchet wheel so as to assure that the spring does not become disengaged from the pawl to render the wrench inoperative. The spring is provided with a pivotal action which eliminates loading on the end of the spring and provides more desirable spring action.

REFERENCES:
patent: 1455147 (1923-05-01), O'Neill
patent: 1459291 (1923-06-01), Hall
patent: 1733012 (1929-10-01), Henderson
patent: 1903514 (1933-04-01), Merriman
patent: 2500835 (1950-03-01), Lang
patent: 2507455 (1950-05-01), Ott
patent: 3742788 (1973-07-01), Priest
patent: 5010792 (1991-04-01), Clarno
patent: 5157994 (1992-10-01), Krivec

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