Silent gear wheel
OwnerKotaro Tsukamotoinventor
Life of this patent
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Abstract
A gear wheel having a rim with a plurality of teeth around the periphery thereof, a hub within the rim, spokes connected between the rim and the hub, sound absorbing material filling the spaces between the spokes for silencing the noise caused by vibration of the gear wheel, and side plates attached to the rim, hub and spokes and completely covering the openings from the spaces between the spokes for confining the sound absorbing material in the spaces.
Claims1
A gear wheel comprising a rim having a plurality of teeth around the periphery thereof, a hub within said rim, spokes connected between said rim and said hub, sound absorbing material filling the spaces between said spokes for silencing the noise caused by vibration of the gear wheel, and side plates attached to said rim, said hub and said spokes and completely covering the openings from the spaces between said spokes for confining the sound absorbing material in said spaces.
Dependencies are inferred from the claim text.