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Title:
潤滑装置を備えたボールねじ装置
Document Type and Number:
Japanese Patent JP4436559
Kind Code:
B2
Abstract:
A recirculating-ball nut and screw set having mounted with lubrication means(10) effective in improving the sliding characteristic and also realizing maintenance-free for lubrication. The lubrication means(10) is mainly comprised of a lubricating plate(22, 23) accommodated in a holder(25) attached to a ball nut (2). The lubricating plate(22) is made with a tongue (30) that will come into sliding engagement with a helical groove(3) formed around a screw shaft(1). The lubricating plate(22,23) is made of a sintered resinous component of porous structure in which cells are impregnated with lubricant.

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Inventors:
Oya Yasumasa
Toyohisa Ishihara
Application Number:
JP2000347002A
Publication Date:
March 24, 2010
Filing Date:
November 14, 2000
Export Citation:
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Assignee:
Nippon Thompson Co., Ltd.
International Classes:
F16H25/24; F16C33/66
Domestic Patent References:
JP9303517A
JP10002395A
JP11182545A
JP2000249209A
JP2000081103A
Attorney, Agent or Firm:
Onaka Kazumune



 
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