Reversible ratchet wrench including thin-walled sockets

Details Reversible ratchet wrench including thin-walled sockets Reversible ratchet wrench including thin-walled sockets

B - Operations, Transporting

25

B

B25B 13/46 (2006.01) B25B 13/06 (2006.01)

Patent

CA 2223217

A light-weight, low-profile socket wrench system includes a set of cylindrical thin-walled sockets, each having a through axial opening sufficiently large to allow a bolt engaged by a nut of a size corresponding to that of the nut receiving opening to pass through the axial opening and extend beyond the nut, and a ratchet wrench releasably engageable with the socket for applying rotational torque directly to a peripheral surface of the socket. In a preferred embodiment, the socket has a round peripheral surface around which a multiplicity of teeth are distributed, and the head of the ratchet wrench has a circular cylindrical opening in which the socket is releasably maintained with its teeth directly engaged by teeth on a pawl.

Ensemble de clé à douilles de faible poids et de dimensions réduites comportant un jeu de douilles à paroi de faible épaisseur, chaque douille étant traversée d'une ouverture axiale de profondeur suffisante pour permettre le passage d'un boulon et la saisie d'un écrou correspondant au calibre de la douille, avec clé à cliquet venant en prise avec la surface périphérique de la douille pour l'application d'un couple de rotation. Dans une version privilégiée de l'invention, la douille comporte une multitude de dents qui sont distribuées à sa périphérie, et la tête du cliquet comporte une ouverture cylindrique à l'intérieur de laquelle un cliquet denté peut être placé en prise directe avec la douille.

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