A LASER LEVELING DEVICE

WIPO Patent Application WO/2009/132486

A1

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).

ZHANG, Ou (No. 16 Meihua Road, Zhonglou Economic Development DistrictChangzhou, Jiangsu 3, 213023, CN)
张瓯 (中国江苏省常州市钟楼经济开发区梅花路16号, Jiangsu 3, 213023, CN)
WANG, Biwen (No. 16 Meihua Road, Zhonglou Economic Development DistrictChangzhou, Jiangsu 3, 213023, CN)

CN2008/001784

November 05, 2009

October 23, 2008

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CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD (No. 16 Meihua Road, Zhonglou Economic Development DistrictChangzhou, Jiangsu 3, 213023, CN)
常州华达科捷光电仪器有限公司 (中国江苏省常州市钟楼经济开发区梅花路16号, Jiangsu 3, 213023, CN)
ZHANG, Ou (No. 16 Meihua Road, Zhonglou Economic Development DistrictChangzhou, Jiangsu 3, 213023, CN)
张瓯 (中国江苏省常州市钟楼经济开发区梅花路16号, Jiangsu 3, 213023, CN)

G01C15/00; G01C5/00; G01C9/00

HANHONG LAW FIRM (Room 1505, New Huangpu Financial BuildingNo. 61 East Nanjing Road, Shanghai 2, 200002, CN)

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