Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1975-10-06
1977-04-26
Gerin, Leonard H.
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
7424211R, 7424215R, F16H 700, F16H 712, F16H 710
Patent
active
040193977
ABSTRACT:
A belt drive mechanism for transmitting torque between a driving rotatable member and a driven rotatable member through a drive belt which is an automatic belt tightener. Included is a freely-riding pulley assembly pivotable about the driving member as a center and including two pulleys with outside diameter flanges and reduced interior diameters having their longitudinal axes of rotation parallel and a fixed distance apart. The driving member has its longitudinal axis of rotation parallel to the rotational axes of the pulleys and is arranged in a wedge-like relationship therebetween. The flanges of each pulley are in contact with the driving member and the drive belt passes over the driving member and then over the reduced diameter of both of the flanged pulleys. By this arrangement, the belt has imparted to it a driving force delivered by the driving member and both of the pulleys.
REFERENCES:
patent: 488698 (1892-12-01), Payne
patent: 782978 (1905-02-01), Magruder
patent: 952156 (1910-03-01), Trewhella
patent: 1776419 (1930-09-01), Dodge
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patent: 2090423 (1937-08-01), Morrell
patent: 2619736 (1952-12-01), Geldhof
patent: 3330049 (1967-07-01), Helton
patent: 3402617 (1968-09-01), Fox
patent: 3608389 (1971-09-01), Christian
patent: 3864986 (1975-02-01), Bochan
Boos Francis H.
General Electric Company
Gerin Leonard H.
Weidner Frederick P.
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