A hand tool

B - Operations – Transporting – 25 – B

Patent

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Details

B25B 13/46 (2006.01) B25B 17/00 (2006.01)

Patent

CA 2169972

A hand tool comprising a housing (1) with a ratchet wheel (2) in one end of the housing (1) and a lever assembly mounted on the housing adjacent the other end of the housing. The lever assembly comprises two linkages (23, 24) pivotably attached to a lever (21) and to a mounting bracket (25). A rod (5) is disposed axially in the housing (1). A link chain (6) and ratchet tooth (7) are connected to the other end of the rod (5) about the ratchet wheel (2). The lever (21) is attached to the end of the rod (5) to form a ball socket. When the lever (21) is squeezed, the end portion (22) of the lever (21) pulls the rod (5) substantially straight outwards from the housing (1) which pulls the link chain (6) and ratchet tooth (7) on the ratchet wheel (2) to rotate the ratchet wheel (2).

Outil à main comprenant une enveloppe (1) munie d'une roue à cliquets (2) à l'une de ses extrémités, et un ensemble levier monté sur l'enveloppe de façon contiguë à son autre extrémité. L'ensemble levier comprend deux articulations (23, 24) fixées pivotantes à un levier (21) et à un support de montage (25). Une tige (5) est disposée dans le sens axial dans l'enveloppe (1). Une chaîne à articulations (6) et une dent d'encliquetage (7) sont accouplées à l'autre extrémité de la tige (5) autour de la roue à cliquets (2). Le levier (21) est fixé à l'extrémité de la tige (5) de façon à former une cavité à rotule. Lorsque le levier (21) est serré, sa partie terminale (22) tire la tige (5) pratiquement tout droit hors de l'enveloppe (1), ce qui tire la chaîne (6) et la dent d'encliquetage (7) sur la roue à cliquets (2) afin de faire tourner cette dernière.

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