Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1977-01-05
1978-03-14
Gerin, Leonard H.
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
291592, 74434, 74443, 74446, F16H 5530, F16H 5514, F16H 5512, B21D 5328
Patent
active
040784452
ABSTRACT:
An improved chain drive sprocket or the like in the form of a sprocket member. The composite sprocket member includes a metallic hub portion having T-shaped lands and T-shaped grooves formed on the outer periphery thereof coaxial with the axis of rotation of the hub portion, and a toothed ring formed of synthetic resin material having an aperture formed therein with T-shaped lands and T-shaped grooves formed on the inner periphery thereof sized and shaped for close sliding coaxial engagement with the corresponding lands and grooves of the hub portion. The hub portion is preferably formed of sintered steel powder impregnated with cupreous alloy. The toothed ring portion is preferably formed of nylon. The drive sprocket may be employed in combination with the power output shaft from a motorcycle power transmission. The composite member may be slightly modified to form a composite spur gear or the like.
REFERENCES:
patent: 3651705 (1972-03-01), Bertinetti et al.
patent: 3839921 (1974-10-01), Haug
Gerin Leonard H.
Laney William R.
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