Brake assembly for a rotatable shaft

Details Brake assembly for a rotatable shaft Brake assembly for a rotatable shaft

1977-11-30

1979-05-01

Halvosa, George E. A.

Brakes

Operators

Weight

188195, 192 89W, 242 7546, 242156, B60T 1304

Patent

active

041519000

ABSTRACT:
A brake assembly for maintaining uniform tension in plastic sheet material being unwound from a supply roll supported on a rotatable shaft. The brake assembly includes a pair of rollers which rotatably support the shaft. One roller is vertically displaceable relative to the other for controlling the movement of a linkage connected to a brake shoe in contact with the shaft. The surface area of brake lining in contact with the shaft is reduced in a proportion relative to the depletion of material from the supply roll.

REFERENCES:
patent: 993500 (1911-05-01), Robeson
patent: 1270279 (1918-06-01), Ferres
patent: 2554548 (1951-05-01), Albagnac
patent: 2877963 (1969-03-01), Heyden
patent: 3517915 (1970-06-01), Bovagne et al.
patent: 3540675 (1970-11-01), Goldsworthy
patent: 3575267 (1971-04-01), Lauer, Jr.

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