Title:
LIFTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2008/053596
Kind Code:
A1
Abstract:
A lifting device consuming less energy in lifting and lowering operation. The lifting
device (1) has a main arm (3), at one end side of which a first load (W) is supported;
a sub-arm (6), to the other end side of which a second load (Mb) can be attached and
removed; a lifting lever connection arm (11) for connecting the other end of the
main arm (3) and the other end of the sub-arm (6); a one end-side lifting lever (12)
in which the one end side of the main arm (3) is lifted with the second load (Mb) acting
on the main arm; a lowering arm (20), to the other end side of which the second load
(Mb) can be attached and removed; an inter-lever connection member (18) for connecting
the one end side of the lowering arm (20) and the one end side of the main arm (3);
and a one end-side lowering lever (21) in which the other end side of the main arm
(3) is lifted with the second load (Mb) acting on the other end side of the main arm.
Inventors:
OKANO SHIGETO (JP)
Application Number:
PCT/JP2007/001193
Publication Date:
May 08, 2008
Filing Date:
October 31, 2007
Export Citation:
Assignee:
CHIZAIKANRI LLC (JP)
OKANO SHIGETO (JP)
OKANO SHIGETO (JP)
International Classes:
B66F19/00
Foreign References:
| JPS57203981A | 1982-12-14 | |||
| JPH0524800A | 1993-02-02 | |||
| JPS4835880Y1 | 1973-10-27 |
Attorney, Agent or Firm:
KAMEI, Takeyuki (22-9 Hatchobori 3-chom, Chuo-ku Tokyo, JP)
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