Adjustable ratchet wrench

B - Operations – Transporting – 25 – B

Patent

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Details

B25B 13/46 (2006.01)

Patent

CA 2483668

The invention discloses a new and inventive adjustable wrench or spanner. It comprises essentially an elongated handle element (1) with a convex urging portion (11) at one end, an upper jaw element (2) with a concave urging portion (21), a lower jaw element (4) with a protrusion portion (44) and a ratchet assembly (3). The upper jaw element (2) is movable with the assistance of the two engaging urging portions (11, 21) and the lower jaw element (4) is adjustable with the assistance of the ratchet assembly (3). Two jaw portions (22, 41) are operable in tightening or loosening positions, without having to b disengaged from a hexagonal nut. When the jaw portions (22, 41) are opened in a loosening position, gripping edges (23, 42) of the jaw portions (22, 41) are allowed to shift from one width across flats (fl) to another width across flats (f2).

L'invention concerne une clé ou une tricoise ajustable, nouvelle et originale qui comprend principalement un élément de manche allongé (1) doté d'une portion de pression convexe (11) au niveau d'une extrémité, un élément de mâchoire supérieure (2) muni d'une portion de pression concave (21), un élément de mâchoire inférieure (4) pourvu d'une portion protubérante (44) et un ensemble de clé à rochet (3). Ledit élément de mâchoire supérieure (2) peut être déplacé avec l'aide de deux portions de pression d'accouplement (11, 21) et l'élément de mâchoire inférieure (4) peut être ajusté au moyen de l'ensemble de clé à rochet (3). Deux portions de mâchoire (22, 41) peuvent fonctionner dans des positions de serrage ou de déserrage, sans se désaccoupler de l'écrou hexagonal. Lorsque les portions de mâchoire (22, 41) sont ouvertes en position de déserrage, des bords de préhension (23, 42) des portions de mâchoire (22, 41) peuvent se déplacer d'une largeur à travers des plans (f1) à une autre largeur à travers des plans (f2).

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