Title:
DOUBLE LIFT PREVENTING DEVICE FOR VACUUM SUCTION DEVICE
Document Type and Number:
Japanese Patent JP3104784
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent lifting two gypsum boards over and under simultaneously.
SOLUTION: A plurality of suction members 3 are installed in the upper part of a hanger 2 made of steel, and the undersurfaces of the suction members 3 are pressed to the oversurface of the uppermost one of those gypsum boards 18a which are stacked, and the suction members 3 are decompressed to attract the gypsum board 18 to lift it. In this vacuum suction device 1, the pressing part is installed in the lower part of a magnet with a spring interposed, and a pressing member 10 fitted with a cap of synthetic resin at the bottom of the pressing part is attracted to the undersurface of the hanger 2. At the same time, the cap is protruded to below the suction members 3, and a dint deformation is produced by pressing the member 10 to the oversurface of the uppermost board 18a when the suction members 3 are pressed to the board oversurface.
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Inventors:
Takaharu Nakata
Masayoshi Hiroi
Masayoshi Hiroi
Application Number:
JP35310795A
Publication Date:
October 30, 2000
Filing Date:
December 28, 1995
Export Citation:
Assignee:
Max Co., Ltd.
International Classes:
B65H3/08; B65H3/46; (IPC1-7): B65H3/08; B65H3/46
Domestic Patent References:
| JP5316261A | ||||
| JP379523A | ||||
| JP458538U |
Attorney, Agent or Firm:
Mikio Segawa