Endless belt power transmission systems or components – Positive drive pulley or guide roll – Having axially spaced sets of belt-engaging surfaces
Patent
1979-12-21
1982-05-18
Braun, Leslie
Endless belt power transmission systems or components
Positive drive pulley or guide roll
Having axially spaced sets of belt-engaging surfaces
474152, F16H 5530
Patent
active
043302866
ABSTRACT:
A sprocket for a bicycle and the like comprising a sprocket body having many teeth provided on the outer periphery of the body. At least two adjacent teeth among these teeth are arranged in a row along an inclined line which inclines with respect to the central line along the thickness direction of the sprocket body, and the teeth located in the end portion, in the group of teeth arranged in the row are arranged in the same direction along the inclined line.
REFERENCES:
patent: 619537 (1899-02-01), Bufford
patent: 1202227 (1916-10-01), Sandifur
patent: 1221471 (1917-04-01), Miller
patent: 3167175 (1965-01-01), Kools
patent: 3661021 (1972-05-01), Ohshita
patent: 3709053 (1973-01-01), Ohshita
patent: 3956943 (1976-05-01), Yamasaki
Shimano World p. 9, vol. 5, No. 2, Summer 1977.
Braun Leslie
Shimano Industrial Company Limited
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