Compound toggle link

Details Compound toggle link Compound toggle link

B - Operations, Transporting

25

B

81/13

B25B 13/40 (2006.01) B25B 7/02 (2006.01) B25B 7/12 (2006.01)

Patent

CA 2025103

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.

Cette invention concerne une pince-étau classique à déverrouillage rapide grâce à un levier composé. Ce nouveau levier est monté à pivot entre la branche mobile de la pince et la genouillère classique. Quatre pivots au lieu de trois forment la "ligne de verrouillage" de l'outil. Le verrouillage de l'outil se fait en poussant les deux pivots intérieurs vers l'intérieur, au-delà de cette ligne de verrouillage. Le déverrouillage suppose la séparation des branches de la pince de manière à ramener les pivots intérieurs du côté de la "ligne de verrouillage" où ils se trouvaient initialement. Le gain mécanique résultant de l'action de ce nouveau levier composé varie de 4 à 16, selon la taille de l'outil.

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