Title:
A LASER LEVELING DEVICE
Document Type and Number:
WIPO Patent Application WO/2009/132486
Kind Code:
A1
Abstract:
A laser leveling device includes a body case, a laser system and a plumb system (2). The laser system includes a control circuit board (1) and a laser. The control circuit board (1) is connected to the laser by a connecting wire (9). The plumb system (2) includes a first support (21) and a plumb (25). The first support (21) is pivoted with a first support shaft (22). The plumb (25) has a first through hole (251). The first support shaft (22) passes through the first through hole (251). A first accommodating hole (223) is provided in the first support shaft (22). The connecting wire (9) passes through the first accommodating hole (223) to electrically connect the laser to the control circuit board (1).
Inventors:
ZHANG OU (CN)
WANG BIWEN (CN)
PENG DONGDONG (CN)
WANG BIWEN (CN)
PENG DONGDONG (CN)
Application Number:
PCT/CN2008/001784
Publication Date:
November 05, 2009
Filing Date:
October 23, 2008
Export Citation:
Assignee:
CHANGZHOU HUADA KEJIE OPTO ELE (CN)
ZHANG OU (CN)
WANG BIWEN (CN)
PENG DONGDONG (CN)
ZHANG OU (CN)
WANG BIWEN (CN)
PENG DONGDONG (CN)
International Classes:
G01C15/00; G01C5/00; G01C9/00
Foreign References:
| CN2760512Y | 2006-02-22 | |||
| CN2826366Y | 2006-10-11 | |||
| CN2916575Y | 2007-06-27 | |||
| CN2389349Y | 2000-07-26 | |||
| CN101078623A | 2007-11-28 | |||
| CN201045580Y | 2008-04-09 | |||
| US20040172836A1 | 2004-09-09 | |||
| US5912733A | 1999-06-15 | |||
| JPS63290908A | 1988-11-28 |
Attorney, Agent or Firm:
HANHONG LAW FIRM (New Huangpu Financial BuildingNo. 61 East Nanjing Road, Shanghai 2, CN)
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