Ball nut and screw assembly

Details Ball nut and screw assembly Ball nut and screw assembly

2005-05-31

2005-05-31

Graham, Matthew C. (Department: 3683)

Machine element or mechanism

Gearing

Directly cooperating gears

C074S424870, C074S424710

Reexamination Certificate

active

06898994

ABSTRACT:
A ballscrew and ball nut assembly with complimentary threads providing a ball raceway having a ball re-circulation path within the screwshaft of the ballscrew provided on the peripheral surface of a screwshaft insert and including end passages which communicate with the raceway and a non-helical mid-passage connecting said end passages.

REFERENCES:
patent: 3937097 (1976-02-01), Fund et al.
patent: 3971264 (1976-07-01), Detraz et al.
patent: 4258584 (1981-03-01), Haegele et al.
patent: 4366723 (1983-01-01), Wilke et al.
patent: 5899114 (1999-05-01), Dolata et al.
patent: 2004/0093973 (2004-05-01), Halasy-Wimmer et al.
patent: 0969228 (2000-01-01), None

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