Title:
SLIDE NUT AND SLIDE SCREW DEVICE
Document Type and Number:
Japanese Patent JP2019203595
Kind Code:
A
Abstract:
To provide a slide nut which has slide surfaces made of synthetic resins and prevents entry of foreign objects into the slide surfaces, and to provide a slide screw device using the slide nut.SOLUTION: A slide nut 3 relatively moves in conjunction with rotation of a screw shaft while sliding on a shaft of the screw shaft in a slide screw device. A slide surface sliding on the screw shaft comprises: a first slide surface 4a made of a first synthetic resin; and a second slide surface 5a made of a second synthetic resin having a linear expansion coefficient larger than that of the first synthetic resin. The second slide surface 5a is formed in at least one axial end part of the slide nut 3.SELECTED DRAWING: Figure 2
Inventors:
FUKUZAWA SATORU
Application Number:
JP2018100814A
Publication Date:
November 28, 2019
Filing Date:
May 25, 2018
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16H25/24
Attorney, Agent or Firm:
Wake Hikari
Wake Manipulation
Wake Manipulation