Endless belt power transmission systems or components – Friction drive pulley or guide roll – Including plural – coaxial – circumferential belt-receiving...
Patent
1987-06-17
1989-01-24
Bui, Thuy M.
Endless belt power transmission systems or components
Friction drive pulley or guide roll
Including plural, coaxial, circumferential belt-receiving...
72 82, 474170, F16H 5549
Patent
active
047999098
ABSTRACT:
A sheet metal poly-V pulley and a method of manufacturing the same, having a tubular peripheral wall integrally formed from the peripheral edge of bottom wall and having poly-V grooves formed in said peripheral wall at specified pitches, in which a bent part is formed in said bottom wall in an annular form concentric with the axial center of the peripheral wall and bulging out in a convex form toward the opening side of the peripheral wall. The load from the poly-V belt which may cause plastic deformation of the sheet metal poly-V pulley is absorbed by this bent part, so that the increase of material cost, difficulty in forming, and increase of weight due to increase of the thickness of the blank of sheet metal poly-V pulley in order to enhance the strength may be avoided.
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Advertistement Brochure entitled Carina Ed.
Semi Tool Brochure on Rinser/Dryers, (38320), 1983.
Bui Thuy M.
Kabushiki Kaisha Kanemitsu
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