Brake disk

Details Brake disk Brake disk

1998-12-15

2000-10-24

Oberleitner, Robert J.

Brakes

Elements

Brake wheels

188 18A, F16D 6510

Patent

active

061352489

ABSTRACT:
A brake disk has an inner annular portion or hub area and an outer annular portion or rub area that are interconnected by a number of spaced arms extending radially and circumferentially between the inner and outer annular portions. The arms can be formed (e.g. stamped) in a number of configurations, whereby the stress on the disk caused by the heat generated in the outer annular portion during braking is relieved by arm deflection, thus preventing warping of the disk. The arms are also configured to distribute stress relatively evenly throughout the arms during expansion and contraction of the outer annular portion, thereby preventing cracks and fractures.

REFERENCES:
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patent: 4848521 (1989-07-01), Izumine
patent: 4913267 (1990-04-01), Campbell et al.
patent: 5224572 (1993-07-01), Smolen, Jr. et al.
patent: 5273140 (1993-12-01), Berwanger
patent: 5848674 (1998-12-01), Johnson et al.
Enduros BMW Motorrad, 1994 BMW Motorrad GmbH & Co., Munchen, Deutschland, 8 pages.
Aprilia, 1993 showing Pegaso motorcycles, 3 pages.
VT in Motorrad, Aug. 1993, p. 26.
BMW 34-0001 Parts Catalog, dated Jan. 1997, 2 pages.
Bassano Grimeca drawings of brake disks, dated 1983-1999, 38 pages.

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