Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1990-10-19
1991-12-10
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5739, 81 5729, 81 5746, 81 5725, B25B 1700
Patent
active
050707493
ABSTRACT:
A tool for loosening or tightening threaded fasteners on vehicle wheels includes an elongated base member having one end engageable with the ground for anchoring it, and an applicator bar rotatably mounted at the opposite end and carrying a connector for receiving the fastener to be loosened or tightened. The applicator bar and connector are rotated by a ratchet wheel and a pawl driven by a handle pivotally mounted to the base member. The pawl is driven by the handle via a power-boosting fluid cylinder and piston.
REFERENCES:
patent: 665281 (1901-01-01), Stevenson
patent: 2836090 (1958-05-01), Ray
patent: 3730027 (1973-05-01), Rohn
Barish Benjamin J.
Cruz Lawrence
Smith James G.
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