Pulley

Details Pulley Pulley

1997-07-24

1999-09-21

Charles, Marcus

Endless belt power transmission systems or components

Friction drive pulley or guide roll

Pulley or guide roll including circumferential...

474176, 474181, 360105, 242198, F16H 5536, G11B 554

Patent

active

059546050

ABSTRACT:
A magnetic-tape-cassette apparatus provides a pulley (1, 21, 22) for a belt drive, particularly to a flywheel for a deck of the magnetic-tape-cassette apparatus. The pulley has a groove (10) at its circumferential edge (6, 7), in which groove a drive belt (11, 27) is engageable to drive the pulley. In order to manufacture such a pulley simply and cheaply, the pulley comprises a central disc (2) and a first (3) and a second (4) end disc. The first and the second end disc are shaped along their circumferences in such a manner that they form the groove in which the drive belt is engageable.

REFERENCES:
patent: 648834 (1900-05-01), Bierbaum
patent: 703701 (1902-07-01), Hall
patent: 3096660 (1963-07-01), Spirakus
patent: 3764089 (1973-10-01), Yoshida
patent: 3961406 (1976-06-01), Frost et al.
patent: 4496336 (1985-01-01), Matsumoto
patent: 4611258 (1986-09-01), Schijven
patent: 4688121 (1987-08-01), Castagana

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