Clutch driven disc friction material mounting

Details Clutch driven disc friction material mounting Clutch driven disc friction material mounting

1999-09-09

2000-12-05

Bonck, Rodney H.

192 clutches and power-stop control

Elements

Engaging surfaces

192107R, 219 912, F16D 6904

Patent

active

061553972

ABSTRACT:
A clutch driven disc assembly includes a hub and an annular spring plate fixed to the hub. A friction disc assembly is mounted concentric with an axis of rotation of the hub and is rotatably relative to the spring plate. A plurality of drive springs are operably disposed between the spring plate and the friction disc assembly. The friction disc assembly further includes a reinforcing plate and a substantially annular disc fixed to the reinforcing plate. A friction material button is fixed to the substantially annular disc. Friction material button has a metallic friction material cookie with at least three apertures. A backer plate is fixed to the friction material. The backer plate covers the apertures in the friction material cookie. At least three spot welds are within three corresponding apertures in the cookie. At least one of the welds are offset from a line joining two others of the welds. The welds join the substantially annular disc and the backer plate, in turn fixing the friction material button to the substantially annular disc.

REFERENCES:
patent: 1085769 (1914-02-01), Thomson
patent: 1846560 (1932-02-01), Kattwinkel
patent: 3037860 (1962-06-01), Masterson et al.
patent: 3913716 (1975-10-01), Sedlock
patent: 3946192 (1976-03-01), Allen et al.
patent: 4565274 (1986-01-01), Cameron
patent: 4860872 (1989-08-01), Flotow
patent: 4869356 (1989-09-01), Cameron
patent: 5158165 (1992-10-01), Flotow
patent: 5322151 (1994-06-01), Denton et al.

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