Modular disc brake

Details Modular disc brake Modular disc brake

1991-06-25

1992-12-22

Oberleitner, Robert J.

Brakes

Wheel

Axially movable brake element or housing therefor

188 718, F16D 5500

Patent

active

051727927

ABSTRACT:
The disc brake (10, 210) comprises a support member (12, 212) having circumferentially spaced apart pin support portions (16, 18; 216, 218) with pin openings (20, 24). A cordal type carrier having inboard (32, 232), outboard (34, 234), and circumferentially spaced apart sides (36, 236; 38, 238) is mounted slidably by pins (22, 28; 222, 228) on the support member (12, 212). The pins extend slidably through the pin openings (20, 24) and are each fixed to the carrier (30, 230). One (22, 222) of the pins (22, 28; 222, 228) has a larger diameter than the other (28, 228) of the pins (22, 28; 222, 228), and the smaller diameter pin (28) has disposed thereabout an axially extending and slidable sleeve member (26). The axially extending sleeve member (26) receives the smaller pin (28, 228) within an eccentrically aligned through opening (27), the through opening (27) having a reduced diameter portion at an axially central portion (29) thereof in order to provide the disc brake (10, 210) with a three-point mounting that effects parallelism of the pins (22, 28) relative to one another. The carrier (30, 230) includes a central, axially extending opening (40, 240) with laterally extending axial rails (37, 39) at each circumferential side of the opening (40, 240). Each of the rails (37, 39) includes a pair of radially extending through slots (37B, 37BB; 39A, 39AA). The piston housing (60, 260) has circumferentially extending side arms (61AA, 61BB, 66AA, 66BB) which are received during assembly within respective slots (37B, 39A, 37BB, 39AA) and then slide recesses (62, 64) of the housing (60, 260) receive the rails (37, 39) to permit the housing (60, 260) to slide thereupon. Each of the brake pads (70, 76; 270, 276) has similar circumferential recesses (75, 77) which receive and slide upon the rails (37, 39). Each of the rails (37, 39) contains a slider (50) to increase sliding of the piston housing (60, 260) and brake pads (70, 76; 270, 276) relative to the carrier (30, 230).

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