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公开(公告)号：US10914341B2
公开(公告)日：2021-02-09
申请号：US16610676
申请日：2018-05-23
申请人： THK CO., LTD.
摘要： The motion guide device includes a lubricant supply passage provided in at least one of a pair of cover members provided to a movable member and configured to supply lubricant to an endless circulation passage, in which the lubricant supply passage includes at least a first lubricant supply passage α formed to extend in a direction orthogonal to a longitudinal direction of the track member from at least one of a left side surface and a right side surface of the cover member, and a second lubricant supply passage β connected to the first lubricant supply passage α, and a passage shape in a place connected to the first lubricant supply passage α of the second lubricant supply passage β is configured as a diameter-expanded hollow section having a diameter more expanded than a passage shape of another place. Thus, a new form of a cover member is provided.
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公开(公告)号：US20200332833A1
公开(公告)日：2020-10-22
申请号：US16643055
申请日：2018-08-14
申请人： THK CO., LTD.
发明人： Hiroyuki Kishi , Mitsumasa Wada , Hiroyoshi Yasutake , Eriko Oshima , Shinji Aoki , Takuma Tsunoda
IPC分类号： F16C29/06
摘要： A motion guide device includes: a track member including a rolling member rolling surface; a movable member including a loaded rolling member rolling surface, and a rolling member return passage; a pair of cap members including a direction change passage connecting the loaded rolling member rolling surface and the rolling member return passage; and a plurality of rolling members arrayed in a rollable manner on a loaded rolling member rolling passage, the rolling member return passage, and a pair of the direction change passages, the loaded rolling member rolling passage being made up of the rolling member rolling surface and the loaded rolling member rolling surface. A gap between the rolling member and the direction change passage at a boundary portion X is formed so as to become smaller than a gap between the rolling member and the rolling member rolling surface at the boundary portion.
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公开(公告)号：US11199222B2
公开(公告)日：2021-12-14
申请号：US16643055
申请日：2018-08-14
申请人： THK CO., LTD.
发明人： Hiroyuki Kishi , Mitsumasa Wada , Hiroyoshi Yasutake , Eriko Oshima , Shinji Aoki , Takuma Tsunoda
IPC分类号： F16C29/06
摘要： A motion guide device includes: a track member including a rolling member rolling surface; a movable member including a loaded rolling member rolling surface, and a rolling member return passage; a pair of cap members including a direction change passage connecting the loaded rolling member rolling surface and the rolling member return passage; and a plurality of rolling members arrayed in a rollable manner on a loaded rolling member rolling passage, the rolling member return passage, and a pair of the direction change passages, the loaded rolling member rolling passage being made up of the rolling member rolling surface and the loaded rolling member rolling surface. A gap between the rolling member and the direction change passage at a boundary portion X is formed so as to become smaller than a gap between the rolling member and the rolling member rolling surface at the boundary portion.
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公开(公告)号：US20200158172A1
公开(公告)日：2020-05-21
申请号：US16610676
申请日：2018-05-23
申请人： THK CO., LTD.
摘要： The motion guide device includes a lubricant supply passage provided in at least one of a pair of cover members provided to a movable member and configured to supply lubricant to an endless circulation passage, in which the lubricant supply passage includes at least a first lubricant supply passage α formed to extend in a direction orthogonal to a longitudinal direction of the track member from at least one of a left side surface and a right side surface of the cover member, and a second lubricant supply passage β connected to the first lubricant supply passage α, and a passage shape in a place connected to the first lubricant supply passage α of the second lubricant supply passage β is configured as a diameter-expanded hollow section having a diameter more expanded than a passage shape of another place. Thus, a new form of a cover member is provided.
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