Wrench

Details Wrench Wrench

1976-02-25

1977-01-18

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

B25B 1700

Patent

active

040032752

ABSTRACT:
A wrench having an elongated handle and a socket drive member rotatably mounted in one end of the handle. A shaft extends through the handle to a knob at the end thereof opposite the drive and is connected to the drive member by a gear connection between the shaft and the drive member. The gearing includes a worm so as to prevent the rotation of the drive member with respect to the wrench except when the shaft is turned. The wrench is useful in positions wherein it is difficult to start a bolt with the fingers.

REFERENCES:
patent: 858892 (1907-07-01), Moss
patent: 3732756 (1973-05-01), Thomasian

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