Title:
昇降装置
Document Type and Number:
Japanese Patent JP4012365
Kind Code:
B2
Abstract:
A hoisting apparatus is provided to facilitate maintenance of a load such as luminaires used at high elevations under safe working conditions. The apparatus comprises at least one cable (2), a load holder (3) for holding the load, a base (1) secured to a ceiling of a structure, and coupled to the load holder (3) through the cable (2), and a drive unit for moving the load holder (3) up and down by use of the cable (2) between a top position where the load holder (3) is located adjacent to the base (1), and a bottom position where the load holder (3) is spaced from the base (1). The load holder (3) has cable-length adjust unit for adjusting a length of the cable to stop the load holder at a desired position between the top and bottom positions.
Inventors:
Toshiyuki Shimizu
Yasuhiro Miyazaki
Shiro Nakajima
Yasuhiro Miyazaki
Shiro Nakajima
Application Number:
JP2000300886A
Publication Date:
November 21, 2007
Filing Date:
September 29, 2000
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
Meiji National Industry Co., Ltd.
Meiji National Industry Co., Ltd.
International Classes:
B66D1/60; E04B9/00; B66D1/28; E04B9/18; F21V21/16; F21V21/36; F21V21/38; F21W131/406
Domestic Patent References:
| JP8235929A | ||||
| JP2094206A | ||||
| JP59182808U | ||||
| JP7144756A | ||||
| JP6162815A | ||||
| JP10144135A | ||||
| JP63128616U | ||||
| JP53062084U | ||||
| JP6028933U | ||||
| JP9175787A | ||||
| JP10241448A | ||||
| JP59101311U | ||||
| JP2000264585A | ||||
| JP6275121A |
Attorney, Agent or Firm:
Keisei Nishikawa
Atsuo Mori
Atsuo Mori