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Patent Searching and Data


Title:
ローラねじおよびローラねじのローラ配列方法
Document Type and Number:
Japanese Patent JP4475442
Kind Code:
B2
Abstract:
In a roller screw, a plurality of rollers 16 interposed between a nut member 14 and a screw shaft 12 are composed of a forward-motion load roller group 17, the rollers 16 of which are arranged in such a manner that the center lines thereof are set at a given angle alpha with respect to the center line of the screw shaft 12, and backward-motion load roller group 18, the rollers 16 of which are arranged in such a manner that the center lines thereof are set at an angle beta, which is different from the angle alpha, with respect to the center line of the screw shaft 12; and, the forward-motion load roller group 17 and backward-motion load roller group 18 are disposed such that they are separated from each other.

Inventors:
Kentaro Nishimura
Kimura Shino
Application Number:
JP2000056006A
Publication Date:
June 09, 2010
Filing Date:
February 28, 2000
Export Citation:
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Assignee:
THK CO.,LTD.
International Classes:
F16H25/22
Domestic Patent References:
JP7077261A
JP3020753U
Attorney, Agent or Firm:
Yasuo Ishikawa
Koji Yamamoto