Expanding shoe drum brake

Details Expanding shoe drum brake Expanding shoe drum brake

F - Mech Eng,Light,Heat,Weapons

16

D

188/179

F16D 51/00 (2006.01) F16D 51/20 (2006.01) F16D 65/09 (2006.01) F16D 65/14 (2006.01) F16D 65/22 (2006.01)

Patent

CA 1196295

ABSTRACT An improved expanding shoe drum brake (10) is provided. The brake includes a pair of brake shoes (20) pivotably retained on an anchor structure (18). The shoes include brake tables (22) and webs (26), the webs are resiliently urged by a spring (132) into constant sliding engagement with three guide surfaces (78, 88 and 114) to locate the webs on a plane (P) relative to the spider and to retain a substantially parallel relationship between the shoe friction material (24) and the brake drum (12) thereby minimizing the required running clearance (44) or slack of the brake.

414221

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