Shaft assembly

Details Shaft assembly Shaft assembly

2006-12-13

2011-11-15

Binda, Gregory (Department: 3679)

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

Shafting

Particular vibration dampening or balancing structure

Reexamination Certificate

active

08057315

ABSTRACT:
A shaft assembly, comprising: a generally hollow shaft having first and second ends and at least one internal tube positioned within the shaft so as to be adapted to be placed under tension to control the natural frequency of the shaft. The shaft assembly has a predetermined length and the series of internal tubes has a cumulative length that is greater than the predetermined length of the shaft.

REFERENCES:
patent: 170711 (1875-12-01), Chase et al.
patent: 835215 (1906-11-01), Coates
patent: 2761296 (1956-09-01), Baker
patent: 4487123 (1984-12-01), Kobler et al.
patent: 6792660 (2004-09-01), Breese
patent: 6986713 (2006-01-01), Dine et al.
patent: 2005/0043104 (2005-02-01), Dine et al.
patent: 10040674 (2002-03-01), None
patent: 10040674 (2002-03-01), None
patent: 2776036 (1999-09-01), None
PCT International Search Report No. PCT/US2006/047549 dated May 7, 2007.

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