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US 2020/0158174 A1Published application
Linear motion mechanism, balancer device and machine tool
AssigneeFanuc Corporation
InventorsZhenxing Li, Hiroshi Minami
Life of this patent
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Abstract
A linear motion mechanism includes: a shaft; a base member having a through hole through which the shaft can be inserted; a static pressure bearing provided between the shaft disposed in the through hole and the base member to slidably support the shaft relative to the base member by introducing a pressurized fluid to the shaft; and an annular member provided between the static pressure bearing and the base member to elastically support the static pressure bearing.
Claims5
A linear motion mechanism, comprising:
- a shaft;
- a base member including a through hole through which the shaft is configured to be inserted;
- a static pressure bearing provided between the shaft disposed in the through hole and the base member and configured to slidably support the shaft relative to the base member by introducing a pressurized fluid to the shaft;
- and
- an annular member provided between the static pressure bearing and the base member and configured to elastically support the static pressure bearing.
2 more elements
Dependencies are inferred from the claim text.