Tools – Tool jaw – Jaw-actuating means
Patent
1983-09-19
1988-12-27
Smith, James G.
Tools
Tool jaw
Jaw-actuating means
81176, B25B 704
Patent
active
047932252
ABSTRACT:
A hand tool is provided which can be used as an adjustable wrench, adjustable joint pliers, vise grip, and clamp. A first jaw is mounted for linearly reciprocal movement with respect to a body, with a second jaw affixed to the body and cooperating with the first jaw. First and second structures are provided for adjusting the position of the first jaw with respect to the body, the first structure including an elongated bar having a linear gear thereon and a worm gear rotatable about a pin and mounted by the body. The second structure comprises a hand engageable lever which collapses, or places in-line, a locking lever system. The locking lever system is operatively connected to the pin mounting the worm gear. Jaw extensions are provided for extending the length of the jaws without interferring with movement of the first jaw with respect to the body. An extension bar also is provided for extending the length of the elongated bar, and thus the possible maximum spacing between the first and second jaws.
REFERENCES:
patent: 132057 (1872-10-01), Cooper et al.
patent: 599379 (1898-02-01), Billings
patent: 1735011 (1929-11-01), Plante
patent: 2076462 (1937-04-01), Horechney
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