Composite cast brake caliper
First Claim
Patent Images
1. A disc brake caliper comprising:
- a generally U-shaped cast body having a pair of generally parallel spaced flanges connected by a bridge, said U-shaped cast body forming an opening for reception of a radially outer portion of a brake rotor, said body having an exterior surface;
means within said cast body forming a hollow cylinder for a brake piston, said cylinder together with a brake piston defining a closed chamber for a brake fluid;
means within said cast body forming a passage through said cast body to provide fluid communication between said chamber and the exterior of said body;
a single piece reinforcing wire embedded substantially within said bridge of said cast body for reinforcing said cast body to reduce deflection thereof under loading, said reinforcing wire having multiple portions extending through said bridge between said spaced flanges; and
locating wires joined to said reinforcing wire and extending therefrom for positioning said reinforcing wire within said cast body, said locating wires extending from said reinforcing wire to said exterior surface of said cast body.
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Abstract
A composite cast caliper in which the body of the caliper is cast with an additional component embedded therein. The embedded or intra-cast component can be either a reinforcing structure to strengthen and prevent deflection of the caliper body or it can be a tube providing a coolant passage within the caliper. The coolant passage tube is connected to a source of coolant fluid for circulation through the caliper to remove heat therefrom. The embedded component is positioned within the casting mold by the use of a plurality of locating wires.
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Citations
1 Claim
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1. A disc brake caliper comprising:
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a generally U-shaped cast body having a pair of generally parallel spaced flanges connected by a bridge, said U-shaped cast body forming an opening for reception of a radially outer portion of a brake rotor, said body having an exterior surface; means within said cast body forming a hollow cylinder for a brake piston, said cylinder together with a brake piston defining a closed chamber for a brake fluid; means within said cast body forming a passage through said cast body to provide fluid communication between said chamber and the exterior of said body; a single piece reinforcing wire embedded substantially within said bridge of said cast body for reinforcing said cast body to reduce deflection thereof under loading, said reinforcing wire having multiple portions extending through said bridge between said spaced flanges; and locating wires joined to said reinforcing wire and extending therefrom for positioning said reinforcing wire within said cast body, said locating wires extending from said reinforcing wire to said exterior surface of said cast body.
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Specification