CLAMPER MECHANISM FOR MOTION-GUIDING DEVICE

WIPO Patent Application WO/2020/226098

A1

A clamper mechanism (30) for a motion-guiding device comprises a clamper block (31) having tapered surfaces (31a), clamper rolling elements (32) disposed between the tapered surfaces (31a) and left and right surfaces of a bearing race member (11), and clamper rolling element retainers (33) attached to the clamper block (31) via elastic members (34). When elastic force exerted by the elastic members (34) acts in a direction so as to separate the clamper block (31) and the clamper rolling element retainers (33), the clamper block (31) is restrained relative to the bearing race member (11) due to the clamper rolling elements (32) meshing into the tapered surfaces (31a). When an external force acts against the elastic force exerted by the elastic members (34), the clamper block (31) is unrestrained relative to the bearing race member (11) due to the clamper rolling elements (32) being capable of moving freely within the tapered surfaces (31a). Due to this configuration, the clamper mechanism (30) for a motion-guiding device can exhibit stable clamping force without adversely affecting the performance of the motion-guiding device or the service life of the device.

MURAKAMI YOSHINORI (JP)
ABE REIJI (JP)
MATSUHIRA TADASHI (JP)
OISHI YOSHIRO (JP)
MOCHIZUKI HIROAKI (JP)
FUKUSHIMA HAJIME (JP)
KURIBAYASHI HIROOMI (JP)
KANEKO AKITO (JP)

PCT/JP2020/018084

November 12, 2020

April 28, 2020

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THK CO LTD (JP)

F16C29/06; B23Q1/28; F16C41/04

WO2011081209A1

2011-07-07

JP2018031401A	2018-03-01
JP2015048911A	2015-03-16
JP2018151066A	2018-09-27

KAITA Hiroaki (JP)

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