Title:
建設機械
Document Type and Number:
Japanese Patent JP4409797
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent an inspection lamp from being forgotten to turn off, and to easily operate turning-on and turning-off of the inspection lamps. SOLUTION: The inspection lamp 15 is arranged inside a building cover 4 of an upper turning body 2, and the inspection lamp 16 is also arranged inside a bed frame 6. Stairs 17 for moving between a cab 8 and an aboveground part are arranged outside the building cover 4, and a stairs lamp 18 is arranged for illuminating the stairs 17. The stairs lamp 18 is turned on and off by interlocking with the inspection lamps 15 and 16, and can be operated by an internal switch arranged in the cab 8 and an external switch 19 arranged outside the building cover 4 to thereby easily confirm whether or not the inspection lamps 15 and 15 are turned on by visually observing the stairs lamp 18, and when moving between the cab 8 and the aboveground part, the foot side of a worker can be illuminated by operating the stairs lamp 18 by using the two switches 13 and 19.
Inventors:
Yoshio Tani
Asano Masao
Asano Masao
Application Number:
JP2001272412A
Publication Date:
February 03, 2010
Filing Date:
September 07, 2001
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
E02F9/00; B60Q1/00; B60Q3/06; B66F9/075; B66F9/24; E02F9/24; E02F9/26
Domestic Patent References:
| JP7035186U | ||||
| JP63048649U | ||||
| JP5112967A | ||||
| JP2000240103A |
Attorney, Agent or Firm:
Kazuhiko Hirose