Title:
WORKPIECE LIFTING DEVICE AND WORKPIECE TRANSFER DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/084672
Kind Code:
A1
Abstract:
A workpiece lifting device (90) comprises: a base (1); a drive unit (2) that is provided to the base (1); a wire mechanism (3) that has a main wire (31) capable of being advanced and retracted by the drive unit (2), and a plurality of branch wires (32) branching and extending from respective locations on the main wire (31), said locations being at intervals in the extension direction of the same; a plurality of pulleys (4) that are provided to the base (1) at intervals in the horizontal direction, corresponding to the branch wires (32), and respectively guide the branch wires (32) downward; a rail (5) that extends in the horizontal direction and is suspended from the lower ends of the branch wires (32); and a plurality of suction units (6) that are provided at intervals in the extension direction of the rail (5), and each have a suction hole (6H) formed in a lower surface thereof.
Inventors:
TACHI MOTOO (JP)
YAMASAKI YUKIHARU (JP)
NAKA SHINICHI (JP)
YAMASAKI YUKIHARU (JP)
NAKA SHINICHI (JP)
Application Number:
PCT/JP2019/042718
Publication Date:
May 06, 2021
Filing Date:
October 31, 2019
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B25B11/00; B23Q3/08; B66C1/02
Foreign References:
| JPS504941B1 | 1975-02-26 | |||
| JPH04325186A | 1992-11-13 | |||
| JP2007331056A | 2007-12-27 | |||
| JP2002505991A | 2002-02-26 | |||
| JPH078380U | 1995-02-07 | |||
| JPS5349757A | 1978-05-06 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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