Endless belt power transmission systems or components – Positive drive pulley or guide roll – And additional coaxial surface for engaging same belt in...
Patent
1986-12-05
1988-04-19
Novosad, Stephen J.
Endless belt power transmission systems or components
Positive drive pulley or guide roll
And additional coaxial surface for engaging same belt in...
242 4701, F16H 5500
Patent
active
047386525
ABSTRACT:
A belt drive includes a driven shaft and two belt pulleys supported on the shaft for guiding toothed belts. Each belt has a toothed portion and a smooth untoothed portion. Each pulley is a multi-part element and includes a first portion having a toothed crown engageable with the toothed portion and a second portion having a smooth supporting surface for the non-toothed part of the belt. The first and second portions of the pulley are turnable relative to each other. The first portion of the pulley cooperating with the belt is the form-locking manner is rigidly connected to the shaft whereas the second portion for a friction-type connection with the belt is rotationally supported on the shaft and relative to the first portion.
REFERENCES:
patent: 1144414 (1915-06-01), Holmes
patent: 3338107 (1967-08-01), Kiekhaefer
patent: 4015484 (1977-04-01), Taylor
Bui Thuy M.
Novosad Stephen J.
Sipra Patententwicklungs-und Beteiligungsgesellschaft mbH
Striker Michael J.
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