Shiftable device acting as a brake or clutch, such as a friction

Details Shiftable device acting as a brake or clutch, such as a friction Shiftable device acting as a brake or clutch, such as a friction

1997-04-04

1999-02-23

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Transversely engaged

192 79, 192 848, 192 85AT, 188 74, 188 78, 188170, 188171, F16D 1314

Patent

active

058734430

ABSTRACT:
A shiftable device which acts as a brake or coupling, such as a frictional brake or a frictional clutch, includes a first component and a second component and a pressure ring arranged between the first and second components, wherein the pressure ring is connected non-rotatably or stationary to the first component, while being movable by an actuating and restoring device between two work positions which are axially offset relative to each other. At least one friction element which is compressed in an active position of the pressure ring is arranged between the pressure ring and the second component. A plurality of radially resilient tongues which each have a fixed tongue end are fastened without play in the area of the first component. A plurality of guide members supported on the pressure ring and connected to the other movable tongue ends serve to convert the axial movement of the pressure ring into a radial movement of the movable tongue ends. Each guide member has two ends which are offset relative to each other axially as well as radially. A cylindrical drum is provided on the second component, wherein the cylindrical drum axially overlaps the movable tongue ends, wherein the friction element is arranged in the radial space between the cylindrical surface of the drum and the free tongue ends.

REFERENCES:
patent: 2286532 (1942-06-01), Freer
patent: 3233710 (1966-02-01), Daniels
patent: 3304000 (1967-02-01), Mobius
patent: 3789965 (1974-02-01), Heidorn
patent: 4679745 (1987-07-01), Kim

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