Construction kit for a spring-driven cable drum

Details Construction kit for a spring-driven cable drum Construction kit for a spring-driven cable drum

B - Operations, Transporting

65

H

B65H 75/48 (2006.01) H02G 11/02 (2006.01)

Patent

CA 2522066

A construction kit for a spring-driven cable drum includes a pre-assembled drum core (12) the housing of which constitutes a winding surface for the cable and containing at least one spiral spring (74, 74') and at least one spring anchor hub (80, 80'). The pre-assembled drum core (12) is provided with an axle channel passing right through it but no axle. The spring anchor hub (80, 80') is maintained to all intents and purposes coaxial with this axle channel by the spiral springs (74, 74'). The construction kit further includes a separate axle (16) which can be inserted from either side into the axle channel of the pre-assembled drum core (12), insertion of the axle (16) into the axle channel establishing a form-fit rotary coupling between the spring anchor hub (80, 80') and the axle (16).

Un ensemble prêt-à-monter de tambour enrouleur à ressorts comprend un corps (12) de tambour préassemblé dont la surface extérieure constitue une surface d'enroulement pour le câble et dont l'intérieur contient au moins un ressort spiralé (74, 74') et au moins un moyeu (80, 80') d'ancrage du ressort. Le corps (12) de tambour préassemblé est prévu avec un passage d'axe qui le traverse entièrement mais qui ne comporte pas d'axe. Le moyeu (80, 80') d'ancrage du ressort est maintenu dans tous les cas avec le passage axial par les ressorts spiralés (74, 74'). L'ensemble prêt-à-monter comprend également un axe séparé (16) qui peut être inséré depuis un des côtés dans le passage axial du corps (12) de tambour préassemblé, l'introduction de l'axe (16) dans le passage axial formant un couplage rotatif ajusté à la forme entre le moyeu (80, 80') d'ancrage du ressort et l'axe (16).

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