Tool extension and torque transfer device

Details Tool extension and torque transfer device Tool extension and torque transfer device

1988-05-27

1989-09-19

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5743, B25B 1700

Patent

active

048670162

ABSTRACT:
The hand tool extension and torque transfer device for enabling effective transfer of torque to a bolt located in a difficult to access location. There is provided an elongated housing having a hand gripping portion, the gripping portion constituting about one third of the overall length thereof. Within the housing are provided sprocketed drive and driven elements which are connected by a chain encircling said drive and driven elements. The handle portion of the housing acts as a lever arm to overcome the static holding force of the bolt or nut to be loosened prior to application of a hand tool power element to the drive element of the hand tools extension device.

REFERENCES:
patent: 2466456 (1949-04-01), Lybyer
patent: 3138983 (1964-06-01), Frizzell
patent: 3283621 (1966-11-01), Faso
patent: 3714852 (1973-02-01), Giangrasso

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