Piston primaire de maître cylindre formé d'un corps (11) et d'une jupe (12). La cavité (14) loge un ressort de rappel (2). Le piston (1) est en matière plastique et le guide (3) du ressort de rappel (2) est formé d'un manchon de retenue (31) muni d'une collerette (22) pour l'appui avant (21) du ressort de rappel (2) et d'une tige à tête (32) passant à travers le manchon (31) pour être retenu en extension par sa tête (322) contre le front du manchon (32). La tige (31) est vissée (100, 221) au fond de la cavité avant (14) du piston primaire (1).
A tandem master cylinder primary piston, includes a tandem master cylinder primary piston arrangement formed from a body equipped with a skirt and separating the rear of the primary piston on the pushrod side from the front, turned toward the primary chamber, this front cavity housing the return spring and its telescopic guide, one extremity of the spring resting against the back of the front cavity and, the other extremity, against an exterior flange of the telescopic guide, in which the piston is of plastic material, and in which the guide of the return spring is formed of a retention sleeve equipped with a flange for support of the front of the return spring, and a headed rod passing through the sleeve and, when extended, retained by its head against the back of the sleeve, the rod being screwed to the back of the front cavity of the primary piston.
PISTON PRIMAIRE DE MAITRE-CYLINDRE
2019-05-10
Patent
Electronic Resource
French
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29K Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS |
European Patent Office | 2021
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