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US 2003/0224890 A1Published application
Actuator
AssigneeSMC Corporation
InventorsShigekazu Nagai, Akio Saitoh, Masaru Saitoh
Life of this patent
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Abstract
An actuator comprises a driving force-transmitting mechanism which includes a belt member running over a driving pulley and a driven pulley, and a guide mechanism which includes a plurality of balls which rolls along first ball-rolling grooves formed on a frame, and second ball-rolling grooves formed on a slider. The guide mechanism guides the slider when the slider is displaced along the frame.
Claims12
An actuator comprising:
- a frame;
- a driving source which is arranged inside or outside said frame;
- a driving force-transmitting mechanism which includes a driving pulley rotatably supported on one end of said frame, a driven pulley rotatably supported on the other end of said frame, and a belt member running over said driving pulley and said driven pulley;
- a slider to which said belt member is fastened and which reciprocates in an axial direction of said frame together with said belt member in accordance with rotary motion of said belt member;
- and
- a guide mechanism which includes a plurality of balls rolling along first ball-rolling grooves formed on said frame and second ball-rolling grooves formed on said slider, and which guides said slider when said slider is displaced along said frame.
3 more elements
Dependencies are inferred from the claim text.