Machine element or mechanism – Gearing – Directly cooperating gears
Reexamination Certificate
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.
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Chen Yan-Yu
Lee Yu-Shan
Baxley Charles E.
Hiwin Technologies Corp.
Krause Justin
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