Title:
MECHANICAL CHUCK, INDUSTRIAL ROBOT, AND WORKPIECE MOVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/111369
Kind Code:
A1
Abstract:
The mechanical chuck according to the present disclosure is provided with: a body portion; first and second grip members each of which is at least partially projected from the body portion, in the thickness direction of the body portion; a first piston which has an axial direction perpendicular to the thickness direction, which moves in first and second directions extending along the axial direction, and which, in association with such movement, moves the first grip member in the axial direction; a second piston which is provided to the body portion so as to have an axial direction in parallel with that of the first piston and to move in the first and second directions, and which, in association with such movement, moves the second grip member in the axial direction; a link mechanism which links movement of the first piston with movement of the second piston such that a first state and a second state in which, compared to the first state, the first piston has moved further in the second direction and the second piston has moved further in the first direction are switched; a pressure supply path for switching from the first state to the second state; and an elastic member for switching from the second state to the first state.
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Inventors:
NISHIYAMA SATORU (JP)
Application Number:
PCT/JP2017/043957
Publication Date:
June 13, 2019
Filing Date:
December 07, 2017
Export Citation:
Assignee:
FUJI CORP (JP)
International Classes:
B65G47/90; B25J15/08
Foreign References:
| JP2002172579A | 2002-06-18 | |||
| US5620223A | 1997-04-15 | |||
| JPS6150688U | 1986-04-05 | |||
| JP2009172760A | 2009-08-06 | |||
| JPH0691468A | 1994-04-05 | |||
| JP2004276166A | 2004-10-07 | |||
| JP2011206878A | 2011-10-20 | |||
| JP2017100240A | 2017-06-08 | |||
| JPS5114379U | 1976-02-02 | |||
| JPH02114492U | 1990-09-13 |
Attorney, Agent or Firm:
ITEC INTERNATIONAL PATENT FIRM (JP)
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