Disengageable quick-lock connection for telescopic shaft

Details Disengageable quick-lock connection for telescopic shaft Disengageable quick-lock connection for telescopic shaft

B - Operations, Transporting

62

D

B62D 1/184 (2006.01) F16B 7/14 (2006.01) F16B 21/02 (2006.01)

Patent

CA 2359484

A telescopic shaft (100) for rapid length adjustment consists of a tube (10) having a plurality of alternating circumferential ridges (15) and grooves (17) on at least a portion of an inner surface and having an oval cross-section with a major diameter DA and a minor diameter DB; a shaft (20) disposed within the tube and having matching circumferential ridges (25) and grooves (27), the shaft also having an oval cross-section with a major diameter DC and a minor diameter DD; and the ridges and grooves of the tube interengaging with the grooves and ridges of the shaft when the shaft major diameter DC is substantially parallel with the tube minor diameter DB.

Un arbre télescopique (100) conçu pour être rapidement ajusté en longueur est constitué d'un tube (10) comportant une pluralité de nervures (15) et de rainures (17) circonférentielles disposées en alternance sur au moins une partie d'une face interne et possédant une section transversale ovale dotée d'un diamètre majeur D¿A? et d'un diamètre mineur D¿B?; d'un arbre (20) disposé à l'intérieur dudit tube et possédant des nervures (25) et des rainures (27) circonférentielles correspondantes, ledit arbre ayant une section transversale ovale dotée d'un diamètre majeur D¿C? et d'un diamètre mineur D¿D?, et les nervures et les rainures du tube étant conçues pour entrer en prise avec les nervures et les rainures de l'arbre lorsque le diamètre majeur de l'arbre D¿C? est sensiblement parallèle au diamètre mineur du tube D¿B?.

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