Hold-down leaf spring for the brake lining backplate of a disc brake or for the pressure distributor plate which abuts the brake lining backplate
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United States of America Patent
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Sep 27, 1988
Grant Date -
N/A
app pub date -
May 26, 1987
filing date -
Jun 4, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A leaf spring (76) for holding down the pad backplate (72) and the pressure distributor plate, if any, in the pad opening of a disc brake at one side rests on a movable frame (12) of the brake and at the other side pressurizes the lining backplate and the pressure distributor plate, if any. The leaf spring (76) is designed such that, in relaxed condition, it has an arched center portion (106) which is followed at either end by an at least approximately straight side portion (108,108') the end portions (84,84') of which are fixed at the lining backplate and pressure distributor plate, respectively, in the direction of extension of the leaf spring. This is to assure reliable hold-down even at great accelerations in spite of the fact that the brake linings remain easy to be applied and released. Such a leaf spring provides a favorable hold-down characteristic for the lining backplate and the pressure distributor plate without impeding the venting of the brake.
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