V-Belt pulley with automatic tensioning device

Details V-Belt pulley with automatic tensioning device V-Belt pulley with automatic tensioning device

1975-11-26

1977-04-26

Scott, Samuel

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

742428, F16H 900, F16H 912, F16H 708

Patent

active

040193985

ABSTRACT:
An automatically adjustable V-belt pulley which has a moveable pulley half that is resiliently urged by a compression spring axially towards a fixed pulley half in order to vary the dimension of the V-belt receiving groove defined therebetween and to maintain a substantially constant tension on the V-belt as it expands during continued use. A restraining means is provided between the spring and moveable pulley half which only permits expansion of the spring and axial movement of said pulley half in one direction.

REFERENCES:
patent: 1416745 (1922-05-01), Peters
patent: 2037436 (1936-04-01), Roddewig et al.
patent: 2289573 (1942-07-01), Almen
patent: 2475955 (1949-07-01), Gerbing
patent: 2573197 (1951-10-01), Hart
patent: 2896461 (1959-07-01), Grevich
patent: 3060759 (1962-10-01), Van Der Brugghen
patent: 3727476 (1973-04-01), Heidorn
patent: 3910129 (1975-10-01), Phillips

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