Title:
LIFTING DEVICE
Document Type and Number:
Japanese Patent JP2016220859
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lifting device capable of shielding an exposed part of a long suspension member, which is generated due to the movement of a support member, and preventing, for example, an unexpected foreign matter from coming into contact with the long suspension member, which may cause a failure.SOLUTION: A lifting device comprises: a roller chain 33; driving and driven sprockets 31, 32; a drive device 34 for driving the driving sprocket 31; a carrier member 24 which is fixed to the roller chain 33 and lifted and lowered by moving the roller chain 33 by the drive of the drive device 34; a frame member 21 which is supported by the carrier member 24 and lifted and lowered in a reciprocating manner by the lifting and lowering of the carrier member 24 from an installation surface position near an installation surface G to a lifted position; and a cover member 40 moving while following the lifting and lowering of the frame member 21. The cover member 40 moves so as to prevent a foreign matter from coming into contact with the roller chain 33 at a portion not shielded by the frame member 21 from the outside during the movement of the carrier member 24.SELECTED DRAWING: Figure 1
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Inventors:
TANAKA HIROYUKI
Application Number:
JP2015109209A
Publication Date:
December 28, 2016
Filing Date:
May 28, 2015
Export Citation:
Assignee:
HI LEX CORP
International Classes:
A47C3/32; A61G5/00; B66F7/02; B66F7/28
Domestic Patent References:
| JP2008049069A | 2008-03-06 | |||
| JPH023930U | 1990-01-11 | |||
| JP2009178450A | 2009-08-13 | |||
| JPH05115511A | 1993-05-14 |
Foreign References:
| US2216348A | 1940-10-01 |
Attorney, Agent or Firm:
Juichiro Yano