Back to results
US 4,231,451 AGranted
Brake holder with protuberances for holding a shoe body in place
AssigneeShimano Industrial Company Limited
InventorYuji Fujii
Life of this patent
Estimating the term…
Abstract
An improved brake block shoe holder has a bottom, a pair of side walls, a front wall, but no rear wall, and on at least one of the opposite side walls a plurality of protuberances directed toward the front wall. The protuberances cut into a brake block pressed into the holder from the rear side thereof and prevent it from dropping out while permitting its easy replacement when worn.
Claims3
A brake shoe used in a brake comprising:
- a shoe body of a rectangular prism-like shape made of friction material;
- and
- a holder carrying said shoe body and having mounting means for mounting said brake shoe to the brake, said holder comprising a bottom wall, a front wall and a pair of opposite side walls for gripping said brake shoe, said front and side walls being fixed to and rising from said bottom wall, each of said side walls including a first plurality of sharp cutting protuberances directed toward said front wall, said first plurality of protuberances being formed by said side walls being cut at the upwardly outer edge thereof to form cutouts, each cutout forming a protuberance having a free edge directed toward an opposite side wall, said side walls being partially bent inwardly at said cutouts toward said shoe from the bottoms thereof respectively, whereby said free edges of said first plurality of protuberances cut into said shoe body carried by said holder.
Dependencies are inferred from the claim text.