Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Patent
1979-02-16
1981-02-24
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
81119, B25B 1348
Patent
active
042520363
ABSTRACT:
A wrench for engaging the front wheel of a 4-wheel drive vehicle by releasing the drive to the front wheel. The wrench has a cylindrical body with flat end part of which is narrowed for hand receiving part, a slot rectangular in cross section is formed in one end to receive a rib of a 4-wheel drive.
REFERENCES:
patent: 2383573 (1945-08-01), Tomsek
patent: 2719042 (1955-09-01), Espy
patent: 4100663 (1978-07-01), Crum
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