Deflecting device for ball screw device

Details Deflecting device for ball screw device Deflecting device for ball screw device

2009-01-06

2011-11-08

Krause, Justin (Department: 3656)

Machine element or mechanism

Gearing

Directly cooperating gears

C074S424840

Reexamination Certificate

active

08051736

ABSTRACT:
A ball screw device includes a screw engaged into a nut member for forming an endless ball guiding passage between the nut member and the screw and for receiving a number of ball bearing members, the nut member includes two orifices aligned with the helical grooves of the nut member and an axial ball return channel communicating with the orifices of the nut member, a deflecting device includes two deflecting members engaged into the orifices of the nut member and each having a ball deflecting channel communicating with the helical grooves and the axial ball return channel of the nut member for increasing the strength and the working life of the deflecting device.

REFERENCES:
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patent: 4953419 (1990-09-01), Schlenker
patent: 5063809 (1991-11-01), Schlenker
patent: 6425302 (2002-07-01), Greubel
patent: 7523682 (2009-04-01), Liao et al.
patent: 7921743 (2011-04-01), Ohkubo et al.
patent: 2004/0123691 (2004-07-01), Hayashi
patent: 2006/0027038 (2006-02-01), Ohkubo et al.
patent: 2008/0134822 (2008-06-01), Pan et al.
patent: 2010/0242651 (2010-09-01), Shirai et al.

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