Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Guide roll mounted for movement of its axis along...
Patent
1990-06-13
1991-09-03
Britts, Ramon S.
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Guide roll mounted for movement of its axis along...
474901, 474164, F16H 712
Patent
active
050450301
ABSTRACT:
An endless track assembly for a vehicle includes a support plate having an elongated, horizontal guide slot formed in one end thereof. A support is slidably mounted in a guide groove and an idler sprocket is rotatably mounted on a support. The drive sprocket is rotatably mounted at the other end of the support plate and an endless track is entrained about the two sprockets. A spring is mounted between an abutment on the movable support member and an adjustable abutment member which is secured to the side of the support plate between the two sprockets. A chamber containing pressurized grease is disposed in engagement with the movable abutment to vary the position thereof to vary the force of the spring acting on the idler sprocket to in turn vary the tension of the endless track. A plurality of guide rollers are rotatably mounted in engagement with the endless track on the same side of the support member as the sprockets. The guide rollers are rotatably supported on the stub shafts which are mounted in cantilever fashion on the support plate and extend outwardly from said support plate on only one side thereof.
REFERENCES:
patent: 1514158 (1924-11-01), Holt
patent: 1674817 (1928-06-01), Best
patent: 2238347 (1941-04-01), Starr et al.
patent: 2284821 (1942-06-01), Heaslet
patent: 2599233 (1952-06-01), Christie
patent: 3007745 (1961-11-01), Even
patent: 3093006 (1963-06-01), Gamaunt
patent: 3603650 (1971-09-01), Miller
Britts Ramon S.
Schoeppel Roger J.
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