Dual operation ratchet wrench

Details Dual operation ratchet wrench Dual operation ratchet wrench

1990-03-26

1991-03-26

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

811772, 811247, B25G 100

Patent

active

050019473

ABSTRACT:
The invention relates to ratchet wrenches having a torque transfer member rotatably mounted on one end of a handle. The improvement comprises a pair of reinforcing plates mounted on the central portion of the handle having a polygonal shaped opening which extends through the plates and handle adapted to releasably receive one end of a socket extension. When the extension is inserted in the opening the combination of the handle and extension form a T shape whereby the ends of the handle are utilized to rotate the extension to transmit high torques for heavy duty applications which might not otherwise be possible with the ratchet torque transfer member.

REFERENCES:
patent: 1578065 (1926-03-01), Bemus et al.
patent: 2247521 (1941-07-01), Pierce
patent: 2691316 (1954-10-01), Brame

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