Endless belt power transmission systems or components – Positive drive pulley or guide roll
Patent
1997-06-25
1998-07-21
Hannon, Thomas R.
Endless belt power transmission systems or components
Positive drive pulley or guide roll
474160, F16H 5530
Patent
active
057827125
ABSTRACT:
A sprocket for meshing with a bicycle chain, comprises a central aperture having a multi-lobed profile, which is defined by notches which extend up to in proximity of the outer circumferencial edge, starting from an inner circular edge.
REFERENCES:
patent: 494741 (1893-04-01), Forrester
patent: 3492883 (1970-02-01), Maeda
patent: 3550465 (1970-12-01), Maeda
patent: 4576587 (1986-03-01), Nagano
Campagnolo S.r.l.
Hannon Thomas R.
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