Power transmission device

Details Power transmission device Power transmission device

2007-09-21

2010-11-23

Binda, Greg (Department: 3679)

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

Overload release coupling

Torque transmitted via frictional engagement of planar...

C464S042000

Reexamination Certificate

active

07837563

ABSTRACT:
In a power transmission device41, a tapered inner circumferential surface79increasing its diameter toward a rotating shaft body47is formed in a hub75, and a tapered outer circumferential surface83increasing its diameter toward the rotating shaft body47is formed in a tubular member81and press-fitted to the tapered inner circumferential surface of the hub75so that, when an excessive load is applied between a rotating body45and a pulley69, the hub75rotates with respect to the rotating shaft45and the tubular member81is withdrawn from the tapered inner circumferential surface77of the hub75and power transmission between the rotating shaft45and the pulley69is interrupted. Therefore, variation of working torque can be reduced.

REFERENCES:
patent: 5482128 (1996-01-01), Takaoka et al.
patent: 7066819 (2006-06-01), Ueda et al.
patent: 7121947 (2006-10-01), Ueda et al.
patent: 2003/0130044 (2003-07-01), Kanai et al.
patent: 345954 (1937-06-01), None
patent: A-2003-206950 (2003-07-01), None
patent: A-2003-307265 (2003-10-01), None

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