Tools – Spreader
Patent
1988-04-21
1989-03-07
Parker, Roscoe V.
Tools
Spreader
29239, B23P 1904
Patent
active
048095672
ABSTRACT:
A disc brake tool and kit is disclosed which is used for back seating disc brake pistons into the bores after old brake pads have been removed to make room for new brake pads. The disc brake tool includes a driven jaw with a first bearing surface and gudgeon socket, a driving jaw with second bearing surface and a centrally located threaded hole, and a threaded bolt which screws into the centrally located threaded hole and seats within the gudgeon socket to maintain the two bearing surface in parallel relation to each other. Turning the threaded bolt in one direction causes the bearing surfaces on the jaws to move away from each other thereby driving the disc brake piston back into its bore. Rotating the threaded bolt in the other direction loosens the jaws and bolts so that they can be removed from within the caliper of the disc brake. The kit further includes a U-shaped clip which may be placed over the jaws which are joined to form a compact container in which the threaded bolt is received for easy storage.
REFERENCES:
patent: 3007241 (1961-11-01), Gonzalez
patent: 3584364 (1971-06-01), Steck
patent: 3727490 (1973-04-01), Diffenderfer et al.
patent: 3835522 (1974-09-01), Ward
patent: 4086128 (1978-05-01), Mader
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