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Spot-type disc brake

阅读:437发布:2024-02-09

专利汇可以提供Spot-type disc brake专利检索,专利查询,专利分析的服务。并且A spot-type disc brake utilizing a floating caliper wherein two brake shoes are applied to opposite faces of the brake disc and an intermediate piece is located between the backing plate of one of the brake shoes and an actuating piston which is maintained in one arm of the floating caliper. The caliper arm is formed with an aperture and the intermediate piece is formed with a projection which cooperates with a depression formed in the brake piston thereby allowing easy removal of the intermediate piece from the disc brake. This in turn allows the easy replacement of the brake shoes which are readily exposed.,下面是Spot-type disc brake专利的具体信息内容。

1. A spot-type disc brake comprising: a brake disc having first and second faces; a U-shaped carrier having first and second legs parallel to said disc and a first end portion, said first and second legs and said first end portion surrounding said disc on three sides, said carrier being formed with a first recess between said legs to receive said disc, a second recess in said first leg disposed transverse to said disc and a third recess in said second leg disposed transverse to said disc; first and second backing plates disposed adjacent said first and second faces of said disc; first and second brake shoes secured to said first and second backing plates, respectively, in braking association with said first and second faces of said disc, respectively; said first backing plate and said first brake shoe being received in said second recess for movement axially with respect to said disc and said second backing plate and said second brake shoe being received in said third recess for movement axially with respect to said disc; a floating U-shaped yoke having first and second arms and a second end portion, said yoke being disposed around a portion of said disc, and said back plates and said brake shoes; actuating means positioned in said first arm for actuating said brake; and intermediate means having a surface parallel to said disc coextensive with said first back plate, said intermediate means being positioned in said first arm between said first backing plate and said actuating means, said intermediate means being responsive to said actuating means for directly applying pressure to said first backing plate and, hence, said first brake shoe.
2. A spot-type disc brake according to claim 1, wherein the first arm is formed with an aperture therein, said aperture being so located as to allow said intermediate means to be removed therefrom in a direction parallel to said disc.
3. A spot-type disc brake according to claim 2, wherein said actuating means is formed with a fourth recess therein; and wherein said intermediate means further comprises a projection thereon, said projection being positioned to engage said fourth recess.
4. A spot-type disc brake according to claim 3, wherein said intermediate means has a dimension in a direction transverse to said disc greater than the corresponding dimension of each of said brake shoes and a trapezoidal cross-section in said transverse direction, the cross-section of said intermediate means looking in said transverse direction being rectangular.
5. A spot type disc brake according to claim 4, wherein said yoke is formed with a first pair of guide ledges; and wherein said carrier is formed with a second pair of guide ledges, said yoke ledges being retained by said carrier ledges.
6. A spot-type disc brake according to claim 5, wherein the dimension of said first and second pairs of ledges in a transverse direction with respect to said disc is such that they may be separated by displacing said yoke a distance corresponding to the transverse dimension of said intermediate means.
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