Adjustable wrench

Details Adjustable wrench Adjustable wrench

1999-06-23

2000-11-28

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Sliding jaw, handle-lever grip

B25B 1312

Patent

active

061519960

ABSTRACT:
An open-end wrench, which is self-adjusting and ratcheting, clamps at least four side surfaces of a nut or bolt head, and is adjustable to fit a range of sizes.

REFERENCES:
patent: 273461 (1883-08-01), Calef
patent: 758266 (1904-04-01), Molin
patent: 1237952 (1917-08-01), Pipshik
patent: 1354552 (1920-10-01), Hart
patent: 1602620 (1926-10-01), Larson et al.
patent: 1657902 (1928-01-01), Ross
patent: 2351821 (1944-06-01), Larson
patent: 2590792 (1952-03-01), Reneer
patent: 3290970 (1966-12-01), De Lucia
patent: 4802389 (1989-02-01), Shultz
patent: 5016503 (1991-05-01), Morton

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