Brake

Details Brake Brake

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 65/22 (2006.01) F16D 51/00 (2006.01) F16D 55/02 (2006.01) F16D 55/36 (2006.01) F16D 59/02 (2006.01) F16D 65/14 (2006.01) F16D 65/54 (2006.01) F16D 55/00 (2006.01) F16D 65/02 (2006.01)

Patent

CA 2194285

The present invention relates to a brake, which has a fixed seat, a friction brake shoe, a braking part, a braking spring, an acting block, and a driving block. The acting block is connected with a driving member and is matched on an acting face of the driving block. The driving block is connected with the braking part. A connecting rod is attached to the braking part. The braking spring has one of its ends connected with the connecting rod and another end connected to the braking part. The braking part can be engaged with the friction brake shoe or disengaged from the friction brake shoe, and connected with a driven member. Moreover, the contact surfaces between the acting block and the braking block can be a cam mating contact surface. In a normal operation or still state, such structured brake is capable of achieving braking or releasing braking without additional power.

L'invention porte sur un frein normalement serré comprenant un élément menant, un élément mené, un mécanisme de liaison à l'aide duquel l'élément menant déplace l'élément mené dans une première direction, un siège fixe présentant une surface de friction et le frein proprement dit relié à l'élément mené. Ledit mécanisme de laison comporte un patin actif et un patin de commande en contact mobile l'un par rapport à l'autre. Lorsque le patin de commande n'est soumis qu'aux forces de commande ou s'en libère, il se produit un mouvement relatif entre les patins. De ce fait, le patin de commande se déplace dans une deuxième direction vers l'élément mené pour provoquer le freinage ou l'interrompre. Ledit mécanisme de liaison comporte en outre un limiteur restreignant la débattement relatif entre les deux patins. Après freinage ou interruption du freinage, le limiteur fait reprendre aux patins leur mouvement commun.

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