Power transmission device

Details Power transmission device Power transmission device

2007-09-18

2007-09-18

Dunwoody, Aaron (Department: 3679)

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

Torque transmitted via flexible element

Plural circumferentially spaced elements

C464S073000, C464S076000

Reexamination Certificate

active

11108839

ABSTRACT:
A power transmission device prevents vibration in a rotation direction and collision noise, even if a shock absorbing rubber is permanently deformed in a compression direction. Specifically, even if compression forces repeatedly applied to a shock absorbing rubber causes the shock absorbing rubber to be permanently deformed in a compression direction, an elastic member placed between the shock absorbing rubber and each protrusion presses circumferentially the shock absorbing rubber of a pulley and a transmission ring, and therefore, a shock of an abrupt rotation number change caused by rattling between the shock absorbing rubber and the transmission ring may be absorbed by the elastic member, and vibration in a rotation direction and collision noise may be prevented.

REFERENCES:
patent: 3438221 (1969-04-01), Paulsen
patent: 3940947 (1976-03-01), Ahlen
patent: 6080066 (2000-06-01), Rastegar
patent: 2002 065595 (2002-03-01), None

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