Disc brake, especially for a utility vehicle

Details Disc brake, especially for a utility vehicle Disc brake, especially for a utility vehicle

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 55/02 (2006.01) F16D 55/2265 (2006.01) F16D 55/227 (2006.01)

Patent

CA 2578982

The invention relates to a disc brake, especially for a utility vehicle, said disc brake comprising a caliper (2) which is provided with a brake disc (1) and is fixed to a brake carrier (7) by means of two fixing elements (5, 6) in such a way that it can be axially displaced in relation to the brake disc (1). One fixing element (6) is embodied as a fixed bearing and the other (5) as a movable bearing that comprises a guiding sleeve (8) fixed in the caliper (2). A guiding bar (10) which is connected to the brake carrier (7) in a fixed manner can be axially displaced inside said guiding sleeve, and at least one partial region of the guiding sleeve (8) is formed by a sliding ring (11) surrounding the guiding bar (10). A spring (12) is applied to the outer periphery of the sliding ring, said spring being supported on a component of the caliper (2). The inventive disk brake is embodied in such a way that the spring (12) consists of a bow (18) at least partially surrounding the sliding ring (11), and adjacent fishplates (19) which extend in the direction of the longitudinal axis of the sliding ring and are applied to certain regions of the sliding ring (11) and of the component of the caliper (2).

La présente invention concerne un frein à disque, notamment pour un véhicule utilitaire, présentant un étrier de frein (2) qui comprend un disque de frein (1) et qui est fixé sur la flasque de frein (7) par deux éléments de fixation (5, 6) de manière à pouvoir se déplacer en direction axiale par rapport au disque de frein (1). Un élément de fixation (6) est conçu sous forme de palier fixe et l'autre (5) est conçu sous forme de palier libre qui présente une douille de guidage (8) montée dans l'étrier de frein (2). Un longeron de guidage (10) fixement relié à la flasque de frein (7) peut se déplacer en direction axiale dans cette douille de guidage. Au moins une zone partielle de la douille de guidage (8) est formée par une bague de glissement (11) qui entoure le longeron de guidage (10). Un ressort (12) se trouvant sur la périphérie extérieure de la bague de glissement s'appuie sur un composant de l'étrier de frein (2). Le frein à disque selon cette invention est caractérisé en ce que le ressort (12) est constitué d'un arceau (18) entourant au moins partiellement la bague de glissement (11) et de pattes adjacentes (19) qui s'étendent dans la direction de l'axe longitudinal de la bague de glissement (11) et qui se trouvent au moins par endroits sur la bague de glissement (11) et sur le composant de l'étrier de frein (2).

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