Speed reducer with shock absorbing mechanism

Details Speed reducer with shock absorbing mechanism Speed reducer with shock absorbing mechanism

1997-05-15

1999-02-23

Lillis, Eileen Dunn

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Torque transmitted via flexible element

Element positioned between intermeshing teeth on driving and...

464 92, 464 76, F16D 350

Patent

active

058737863

ABSTRACT:
A speed reducer is provided with a shock absorbing rubber damper disposed in a power transmission path from a first wheel to which a driving force of a motor is input to a second wheel from which the power is output. First projecting portions 3e and auxiliary projecting portions 3f are provided on a first wheel. Second projecting portions 5b are provided on a second wheel 5. The projecting portions are disposed together in intervals T defined between segmented rubber dampers 6. Receiver plates 7, 8 are attached to the end surfaces 6a, 6b of the rubber dampers 6 and serve as load bearing surfaces confronting the projections 3e, 3f and 5b so as to approximately distribute the loads over the entire end surfaces. Two receiver plates 7, 8 disposed across the end surfaces 6a, 6b can be arranged as an integral receiver plate unit U. With this arrangement, a shock absorbing capability is enhanced as well as the number of parts can be reduced.

REFERENCES:
patent: 3475923 (1969-11-01), Spence
patent: 3662568 (1972-05-01), Kashima et al.
patent: 3724239 (1973-04-01), Calistrat
patent: 4228664 (1980-10-01), McCoy
patent: 4748865 (1988-06-01), Umezawa et al.
patent: 5545089 (1996-08-01), Kirschey
patent: 5564981 (1996-10-01), Iwabuchi et al.

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