Ratchet wrench with multi-position ratchet head

Details Ratchet wrench with multi-position ratchet head Ratchet wrench with multi-position ratchet head

B - Operations, Transporting

25

B

B25B 23/16 (2006.01) B25G 1/06 (2006.01)

Patent

CA 2288842

A ratchet wrench (10) includes a ratchet head (12) having a part-cylindrical surface (18) with head teeth (20) thereon and an elongated handle (14) hingedly coupled to the head (12). The handle (14) has an axial first bore (32). A rod (46) is disposed in and movable within the first bore (32) between an engaged condition for locking the head (12) in a selected position and non-engaged condition for relative movement between the head (12) and the handle (14). A biasing structure (56) biasses the rod (46) to the engaged condition. A retaining structure (58) is coupled to the rod (46) for retaining the rod in its non- engaged condition.

La présente invention concerne une clé à cliquet (10) comprenant une tête à cliquet (12) qui présente une surface partiellement cylindrique (18) pourvue de dents de tête (20) et une poignée allongée (14) couplée de manière articulée avec la tête (12). La poignée (14) comporte un premier passage axial (32). Une tige (46) est disposée dans le premier passage entre un état d'accouplement permettant de verrouiller la tête (12) dans une position sélectionnée, et un état de désaccouplement pour permettre un déplacement relatif entre la tête (12) et la poignée (14). Une structure de sollicitation (56) pousse la tige (46) dans son état d'accouplement. Une structure de retenue (58) est couplée à la tige (46) afin de retenir la tige dans son état de désaccouplement.

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