Linear guide apparatus
AssigneeToshiba Kikai Kabushiki Kaisha
InventorsKazuhiro Shiba, Yoshiaki Kai, Takao Date
Life of this patent
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Abstract
There is provided a linear guide apparatus which, owing to the use of a gap-free braking device in a rolling guide, has a sufficiently high damping capacity. The linear guide apparatus for guiding a linear motion of a movable body along a guide rail on a fixed structure in a machine tool, includes: a rolling guide section including a rolling element for rolling on a rolling element-rolling surface of the guide rail; and a brake section for enhancing the damping capacity of the rolling guide section, the brake section including a pair of brake shoes, having a flexible structure, for sliding on the rolling element-rolling surface of the guide rail.
Claims6
A linear guide apparatus for guiding a linear motion of a movable body along a guide rail on a fixed structure in a machine tool, comprising:
- a rolling guide means including rolling elements for rolling on respective surfaces of the guide rail;
- and
- a brake means for enhancing the damping capacity of the rolling guide means,
- wherein said brake means includes a pair of brake shoes, having a flexible structure, for sliding on the rolling element-rolling surfaces of the guide rail,
- wherein an elastic member, biasing each brake shoe so that the brake shoes press on the rolling element-rolling surfaces of the guide rail, is provided in a rear of the respective brake shoe, and
- wherein each of the brake shoes has a thin portion that allows a bend of the respective brake shoe by the force applied from the respective elastic member.
Dependencies are inferred from the claim text.