Variable circumference adjustable-drive pulley mechanism

Details Variable circumference adjustable-drive pulley mechanism Variable circumference adjustable-drive pulley mechanism

1991-09-16

1992-05-26

Bui, Thuy M.

Endless belt power transmission systems or components

Pulley with expansible rim means or pulleys with alternately...

Structure for variably adjusting radius of rim section

474101, F16H 5500, F16H 708

Patent

active

051162822

ABSTRACT:
A variable inverted pulley mechanism supported by an external mechanisms that located the pulley halves. Power transfer takes place via either a combination of a variable pulley located inside the variable inverted pulley, working together with fixed planet wheels, or with innovative variable span planet mechanisms working together with a traditional sun wheel or a variable pulley in place of a traditional sun.

REFERENCES:
patent: 3747721 (1973-07-01), Hoff
patent: 4179946 (1979-12-01), Kanstoroom
patent: 4992066 (1991-02-01), Watson
patent: 5049113 (1991-09-01), Graham, Jr.

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