Isolated tooth drive sprocket assembly

Details Isolated tooth drive sprocket assembly Isolated tooth drive sprocket assembly

1986-11-05

1988-06-21

Novosad, Stephen J.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

Having belt-engaging surfaces on discrete circumferentially...

474161, F16H 5512

Patent

active

047522810

ABSTRACT:
A drive sprocket assembly for driving an endless chain assembly for propelling a vehicle includes a support hub which is mountable to the power output portion of the vehicle and a plurality of replaceable teeth which are mountable to the hub. Each tooth is resiliently isolated from the support hub, and resilient to the chain assembly, by non-metallic materials to reduce noise generated by the sprocket teeth striking the endless chain assembly. Conventional drive sprocket assemblies use a one piece toothed sprocket, or segments having several teeth, bolted to a support member. These prior sprocket assemblies generate considerable noise from impacting of the sprocket teeth with an endless chain. The subject sprocket assembly produces low levels of noise by utilizing individual replaceable teeth which are isolation mounted to the sprocket support hub.

REFERENCES:
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patent: 4511186 (1985-04-01), Sasamoto
patent: 4522611 (1985-06-01), Hiatt
patent: 4585431 (1986-04-01), Umeda et al.

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