High power wrenching tool

Details High power wrenching tool High power wrenching tool

1978-11-08

1980-04-29

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

B25B 1346

Patent

active

042000114

ABSTRACT:
The high power wrenching tool includes a high-torque ratchet wrench, a reaction frame which supports the ratchet wrench, and a fluid actuator on the frame for actuating the wrench. The wrench comprises two parallel side plates. Each plate has at one end thereof a bore. A ratchet wheel and a cooperating pawl are operatively disposed between the plates. The ratchet wheel has a center slot and carries a plurality of angularly-spaced teeth. The frame has at one end a pair of transversely-spaced outer rings positioned adjacent to the ratchet wheel. A pair of hubs are removably securable to the opposite sides of the wheel and are rotatably mounted in the frame's outer rings. Each hub has a slot identical to the slot of the wheel and in register therewith. The reciprocating actuator is detachably coupled between the pawl arm and the other end of the frame.

REFERENCES:
patent: 3706244 (1972-12-01), Wilmeth
patent: 3930776 (1976-01-01), Keller
patent: 4027561 (1977-06-01), Junkers
patent: 4091890 (1978-05-01), Wilmeth et al.

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