Title:
CAM MECHANISM, CAM MECHANISM MANUFACTURING METHOD, CAMSHAFT MANUFACTURING METHOD, NC ROTARY TABLE
Document Type and Number:
WIPO Patent Application WO/2023/149540
Kind Code:
A1
Abstract:
Provided is a cam mechanism capable of adjusting a preload without moving the central axis of a camshaft. According to the present invention, there is provided a cam mechanism comprising a base, a roller gear and a camshaft, wherein the roller gear and the camshaft are rotatably supported on the base, the roller gear comprises a turret and a plurality of cam followers mounted on the outer circumference thereof, the camshaft comprises a tapered rib having first and second tapered ribs, and a shaft portion, the first and second tapered ribs are engaged with respective cam followers, the first and second tapered ribs are configured to be rotatable relative to each other about the rotation axis of the shaft portion at the time of preload adjustment when the first and second tapered ribs are pressed against the cam followers, and after the preload adjustment, the second tapered rib is fixed relative to the shaft portion and the first and second tapered ribs are rendered non-rotatable relative to each other.
More Like This:
| JPS58118360 | DEVICE FOR CHANGING DIRECTION OF REVOLUTION OF FOLLOWING SHAFT |
| JPH1122808 | DIFFERENTIAL DEVICE |
Inventors:
OGASAWARA TETSUYA (JP)
Application Number:
PCT/JP2023/003543
Publication Date:
August 10, 2023
Filing Date:
February 03, 2023
Export Citation:
Assignee:
KITAGAWA IRON WORKS CO (JP)
International Classes:
F16H25/06; B23Q1/58; B23Q16/02
Foreign References:
| JPS6421262A | 1989-01-24 | |||
| US20160108991A1 | 2016-04-21 |
Attorney, Agent or Firm:
SK INTELLECTUAL PROPERTY LAW FIRM et al. (JP)
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