Power transmission device

Details Power transmission device Power transmission device

2008-07-01

2008-07-01

Binda, Greg (Department: 3679)

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

Overload release coupling

Torque transmitted via frangible element

C474S903000

Reexamination Certificate

active

11251774

ABSTRACT:
In the power transmission device having a torque limiting function for shutting off the transmission of an excessively high torque between the pulley1and the rotary shaft5, the hub2and the rotary shaft5are connected to each other by means of screw engagement between the female screw portion2d, which is formed on the inner circumferential face of the hub2, and the male screw portion5dwhich is formed on the outer circumferential face of the forward end portion5aof the rotary shaft5, and the seal means4for sealing between the hub and the rotary shaft is provided adjacent to the front face or the front and rear faces of the screw engaging portion. The torque limiting function may be provided on the rotary shaft side or the hub side.

REFERENCES:
patent: 1818946 (1931-08-01), Freund
patent: 2003/0017909 (2003-01-01), Murase et al.
patent: 2003/0130044 (2003-07-01), Kanai et al.
patent: 2003/0194263 (2003-10-01), Ueda et al.
patent: 2004/0063503 (2004-04-01), Aoki et al.
patent: A-2003-35255 (2003-02-01), None
patent: A-2003-206950 (2003-07-01), None

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