Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
AXIAL GAP MEASUREMENT DEVICE AND MEASUREMENT METHOD FOR BALL SCREW DEVICE, AND METHOD FOR PRODUCING BALL SCREW DEVICE, VEHICLE AND MECHANICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/082457
Kind Code:
A1
Abstract:
With this axial gap measurement device for ball screw device it is possible to measure axial gap with a high degree of accuracy by simply attaching the ball screw device to be measured, without requiring particular caution. This device comprises: a support unit which supports a nut and a nut which is another member of a threaded shaft, the two elements being screwed together; a measurement unit which measures the displacement in the axial direction of the threaded shaft, which is another member; a load-adding unit which adds a load in directions opposing one another along the axial direction with respect to the thread axis; and an orientation correction unit which is provided in between the threaded shaft and the load adding unit, and which holds the nut and the threaded shaft so as to be able to move relative to one another.

Inventors:
DOBASHI KOUHEI (JP)
Application Number:
JP2018/026983
Publication Date:
May 02, 2019
Filing Date:
July 18, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NSK LTD (JP)
International Classes:
G01B21/20; F16H25/22; G01B5/00
Foreign References:
JPH0476401B21992-12-03
JP2017072455A2017-04-13
JPH11183327A1999-07-09
JP2016109483A2016-06-20
JP2013167642A2013-08-29
JPH0476401A1992-03-11
JP2017207185A2017-11-24
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
Download PDF: