Compound toggle link

Details Compound toggle link Compound toggle link

1990-04-30

1991-10-15

Meislin, D. S.

Tools

Tool jaw

Jaw-actuating means

81377, 81380, 81367, B25B 712

Patent

active

050563858

ABSTRACT:
A quick release for a conventional plier-type, toggle-locking hand tool comprises a compound toggle link. The new link is pivotably mounted between the movable handle and the conventional toggle member. Four pivot points rather than the usual three form the "power line" of the tool. Locking the tool involves pushing the two internal pivot points inwardly across the power line. Release involves opening the handles which moves the internal pivot points back across the power line. Depending on the dimensions of the actual hand tool, the mechanical advantage of the novel compound link is between 4 to 16.

REFERENCES:
patent: 2838973 (1958-06-01), Petersen
patent: 2853910 (1958-09-01), Petersen
patent: 3208319 (1965-09-01), Westby et al.
patent: 3354759 (1967-11-01), Cook
patent: 4709601 (1987-12-01), Petersen

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