Bendix France

Societe Anonyme D.b.a.

Michel Denree

Eric Michoux

Jean-Yves Michaud

Robert Fidanza

The automatic adjustment of a drum brake, when the wear of the friction linings carried by the shoes justifies it, is obtained by way of an adjusting lever (30) mounted pivotally on one (12a) of the shoes and carrying a toothed quadrant (30a), on which a pawl (34) is normally engaged. A spacer connecting the ends of the shoes between which the brake motor is located interacts with the adjusting lever by way of a connection with play. To prevent inopportune adjustment as a result of heating of the drum, a blocking member (52) carried by a metallic strip (50) fastened to the pivot pin (36) of the pawl (34)immobilizes the latter in terms of rotation when the temperature exceeds a certain threshold, thus increasing the functional play.

Drum brake with automatic adjustment locked at high temperature

The assembly spring consists of a V-shaped elastic metal wire (R1), one end of one branch (61) of which forms a hook (71) which ensures the retention of the pivot (52) of the lever (50), the branch (61) passing through a passage (81) provided in a spacer (44), in order to stress it elastically toward the lever (50) in interaction with the other branch of the V (91) which has a mechanism (101) of anchoring on the web (18) of the shoe (14) carrying the lever (50). The anchoring mechanism consists of a wire portion (101) bent at 90.degree. relative to the plane of the V and interacting with the web (18) of the shoe (14) and the lever (50) adjacent it, to constitute a mechanism forming a stop. The invention is used for the braking of vehicles.

Spring for assembling a drum brake

The attachment device incorporates a bearing zone (78) and a projection (80) formed in the web (16) of a shoe of a drum brake. A portion (68) of the component (46) to be attached to the shoe is retained in a working position between the bearing zone (78) and the projection (80) by a spring (82).

Device for attaching a component of a strut incorporating an automatic

The strut body (5) is made as a single piece by casting and incorporates a main elongated portion (15), an enlarged end forming a head (16) through which a bore (17) passes, which is partially closed peripherally (18) and which extends into the main portion so as to house the screw of an associated screw and nut system, one end forming a hook (19) and at least one protuberance (28) projecting relative to an outside surface which is essentially flat (27) so as to allow an elastic leaf to be mounted on the body (5) by crimping, the elastic leaf carrying a ratchet cooperating with the external teeth of a nut of the screw and nut system.

Automatic adjustment strut for a drum brake

The invention relates to a locking element for a disc brake with a sliding caliper and a disc brake comprising such a locking element. The brake includes a caliper mounted in sliding relationship on a fixed support by two axial posts cooperating with bores formed in the caliper. The bores are provided with indentations allowing the introduction of the posts transversely and without dismounting the latter. One of the posts is provided with a locking bush maintained locked to the caliper by a locking element of which one portion passes through an orifice formed in the caliper and locking the bush and of which another portion in the shape of a U fixes the locking element relative to the caliper.

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Aulnay-sous-Bois, France

Michel Denree