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US 6,862,786 B2Granted
Rotating table apparatus
AssigneeSankyo Manufacturing Company, Ltd.
InventorHeizaburo Kato
Life of this patent
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Abstract
A rotating table apparatus using a cam mechanism and having a higher precision than a conventional rotating table is realized. A rotating table apparatus having a driven shaft supported by a housing and driven by a driving means, and a rotating table which is rotatingly driven by said driven shaft using a cam and cam followers, wherein the rotating table apparatus has an opposing surface which opposes an end surface of the rotating table in a direction along a rotation shaft of said rotating table, and oil is intervened in between the opposing surface and said end surface.
Claims2
A rotating table apparatus comprising:
- a housing which has a gap portion;
- a driven shaft supported by said housing and driven by an actuator;
- a rotating table which is rotatingly driven by said driven shaft using a cam and cam followers;
- and
- oil that is for lubricating said cam and said cam followers and that is contained in said gap portion;
- wherein said housing has an opposing surface which opposes an end surface of said rotating table,
- wherein there is a space between said opposing surface and said end surface in a direction along a rotation axis of said rotating table, said space being between 0.005 mm and 0.2mm,
- wherein said space is linked with said gap portion and a portion to said oil flows from said gap portion into said space,
- wherein said cam is a roller gear cam and said rotating table intermittently rotates, and
- wherein a tool is provided in said rotating table.
7 more elements
Dependencies are inferred from the claim text.