US PATENT SUBCLASS 198 / 813
.~.~ Device for tensioning belt


Current as of: June, 1999
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198 /   HD   CONVEYORS: POWER-DRIVEN

618  DF  CONVEYOR SECTION {26}
804  DF  .~ Endless conveyor {14}
813.~.~ Device for tensioning belt {3}
814  DF  .~.~.~> With spring biasing means
815  DF  .~.~.~> With counterweight
816  DF  .~.~.~> With screw adjusting means


DEFINITION

Classification: 198/813

(under subclass 804) Apparatus including means for stressing (1) the carrier belt, (2) a drive belt for the carrier belt, (3) a support belt for the carrier belt, or (4) a strand which extends along one side of the carrier belt and which supports, in cooperation with another strand on the opposite side of said carrier belt, a roller or roller assembly supporting said carrier belt.

SEE OR SEARCH CLASS

19, Textiles: Fiber Preparation,

250+, for means for tensioning an endless belt used in a machine for attenuating textile fiber.

24, Buckles, Buttons, Clasps, etc.,

32, for combined fastening and tightening means for a belt.

26, Textiles: Cloth Finishing, 54+, for devices for applying tension to cloth.

34, Drying and Gas or Vapor Contact With Solids,

118, for a tightener for a belt associated with a material treating drum.

56, Harvesters,

224, for a drive belt tensioner, and subclass 292, for tensioner for endless cutter.

57, Textiles: Spinning, Twisting, and Twining,

105, for means for automatically tensioning driving bands.

83, Cutting,

814+, for means for tensioning an endless cutting band or chain.

101, Printing, Digest 21, for means for tensioning webs.

104, Railways, 117, for tension regulators for railway cables.

105, Railway Rolling Stock,

105+, for belt tighteners for wheel or axle drives.

114, Ships,

213+, for devices for relieving tension in a cable.

180, Motor Vehicles,

351, and 357, for rear axles of motor vehicles which are movable to adjust a drive chain.

187, Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle,

264, for an elevator car shifted by a rope drive and separate biasing means for maintaining tension in a rope drive.

192, Clutches and Power-Stop Control,

224+, for belt tighteners which act as clutches combined with brakes.

211, Supports: Racks, 119.09, for clothesline loop tighteners.

242, Winding, Tensioning, or Guiding,

419+, and 147+ for means to apply or regulate stress in a running material.

254, Implements or Apparatus for Applying Pushing or Pulling Force,

199+, for portable implements or apparatus for tensioning flexible material or for extracting stumps or poles.

305, Wheel Substitutes for Land Vehicles,

120+, 125, 145+, 152, and 153+, for tensioner for vehicle track.

384, Bearings,

252+, for adjustable support for a bearings.

451, Abrading,

311, for means for maintaining in traveling abrading bands. 474, Endless Belt Power Transmission Systems or Components, particularly

101+, for a tension adjuster for a power transmission belt.