Rotary shafts – gudgeons – housings – and flexible couplings for ro – Torque transmitted via flexible element – Plural circumferentially spaced elements
Reexamination Certificate
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
Ochiai Yoshihiro
Ozawa Atsushi
Baker & Botts L.L.P.
Dunwoody Aaron
Sanden Corporation
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