Pneumatic brake-clutch

192 clutches and power-stop control – Clutch and brake – Same member

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Details

192 18A, F16D 6704

Patent

active

054527805

ABSTRACT:
A brake-clutch assembly applicable as a safety element in machines having a start-stop movement, such as presses, shears and the like, has a hub which is to be mounted on a machine shaft and a brake-side cover having a cylindrical part defining a cylindrical cavity for admitting compressed air. A friction disc is mounted on the cylindrical part. The hub also carries a central piston-plate which supports two rings having frictional linings on both the brake side and the clutch side. The inner diameter of the cylindrical part is considerably larger than the inner diameter of one of the locking rings, thereby allowing a maximum power to be achieved because the cylindrical cavity defining a pressure chamber can be extended to attain a diameter close to that of the friction disc. This is achieved by removing the material in an area of the central piston-plate.

REFERENCES:
patent: 3200917 (1965-08-01), Herr et al.
patent: 3469664 (1969-09-01), Ortinghaus et al.
patent: 3727731 (1973-04-01), Selig

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