Gearing device having noise reducing structure

Details Gearing device having noise reducing structure Gearing device having noise reducing structure

2006-07-04

2006-07-04

Estremsky, Sherry (Department: 3681)

Planetary gear transmission systems or components

Planetary gearing or element

Particular gear tooth feature

C074S409000

Reexamination Certificate

active

07070536

ABSTRACT:
A gearing device includes two gear members each having a number of teeth engaged with each other, to form various kinds of gear transmission structures or gearing or coupling devices. One of the gear members includes a peripheral groove formed in inner or outer portion, and a ring engaged in the peripheral groove of the gear member, and engageable with the teeth of the other gear member, to reduce noises that may be generated between the gear members. The ring may also include a number of teeth for engaging with the teeth of the other gear member, to effectively reduce the noises.

REFERENCES:
patent: 2414134 (1947-01-01), Bartlett
patent: 2995046 (1961-08-01), Mansachs
patent: 4627310 (1986-12-01), Coburn
patent: 5400672 (1995-03-01), Bunch, Jr.
patent: 5406866 (1995-04-01), Badiali
patent: 2 078 334 (1982-01-01), None

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