Multi-purpose hand tool including implement position locking...

Details Multi-purpose hand tool including implement position locking... Multi-purpose hand tool including implement position locking...

B - Operations, Transporting

25

B

B25B 7/22 (2006.01) B25F 1/00 (2006.01)

Patent

CA 2318875

A combination tool (20) including a pliers jaw mechanism (22) and two handles (56, 56') that pivot about the lugs (32, 38) of the jaw mechanism (22) between open and closed positions. The externally facing surfaces of the handles (56, 56') are dished to conform to the sides of the jaw mechanism when the handles (56, 56') are closed. The jaw lugs (32, 38) include cam surfaces over which corresponding surfaces of the handles ride to provide detents for the handles in the open and closed positions. The handles each house multiple blades (82), each independently rotatable on a common axle (84) between a closed position within the handle and an open position extending from the handle. Each blade (82) is positively but releasably locked into its open position. Those blades which remain closed are biased toward the closed position when the opened blade is locked into position and also as it is opened and closed. A single locking, releasing and biasing mechanism (108) serves all of the blades in one handle.

L'invention concerne un outil combiné (20) comprenant un mécanisme de mâchoire (22) de pince et deux branches (56, 56') de manche, qui pivotent autours des oreilles (32, 38) du mécanisme de mâchoire (22), entre des positions ouvertes et fermées. Les surfaces tournées vers l'extérieur des branches (56, 56') sont en creux, de sorte qu'elles épousent la forme des côtés du mécanisme de mâchoire lorsque les branches (56, 56') du manche sont fermées. Les oreilles de la mâchoire (32, 38) comprennent des surfaces de came sur lesquelles se déplacent les surfaces correspondantes des branches, de sorte qu'elles immobilisent les branches en position ouverte et fermée. Lesdites branches comprennent chacune plusieurs lames (82), tournant chacune indépendamment sur un axe commun (84), entre une position rentrée dans la branche et une position sortie dans laquelle elles s'étendent depuis la branche. Chaque lame (82) est verrouillée activement, de manière réversible, en position sortie. Les lames qui restent rentrées sont sollicitées de sorte qu'elles se mettent en position rentrée lorsque la lame sortie est bloquée en position et également au moment où elle est sortie et rentrée. Un seul mécanisme de blocage, dégagement, sollicitation (108) commande toutes les lames se trouvant dans une branche.

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