Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Pulley or guide roll has eccentric mount for shifting or...
Patent
1983-05-31
1985-03-26
Leppink, James A.
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Pulley or guide roll has eccentric mount for shifting or...
474133, F16H 710
Patent
active
045071047
ABSTRACT:
Apparatus for maintaining substantially constant tension in an inelastic timing belt driven by a rigid, swinging arm, including a driven, circular pulley, an eccentrically mounted, circular idler pulley, an inelastic timing belt mounted about the driven and idler pulleys to provide minimum tension at mid-motion and maximum tension at the start and end of motion, and a rigid swinging arm pivotably mounted equidistant from the centers of the driven and idler pulleys and secured at one end to the timing belt.
REFERENCES:
patent: 1227541 (1917-05-01), Kaplan
patent: 1422809 (1922-07-01), Anderson
patent: 1701820 (1929-02-01), Morse
patent: 2204972 (1940-06-01), Rouan et al.
patent: 2273295 (1942-02-01), Strother et al.
patent: 2332152 (1943-10-01), Knauer
patent: 2456414 (1948-12-01), Heyel
patent: 3060760 (1962-10-01), Minnis
patent: 3785220 (1974-01-01), Jacobs
Clark John I.
Wologodzew Leo
Bui Thuy M.
Leppink James A.
Pitney Bowes Inc.
Scribner Albert W.
Sklar Lawrence E.
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