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Title:
WIPER DEVICE FOR DOME
Document Type and Number:
WIPO Patent Application WO/2006/067934
Kind Code:
A1
Abstract:
A wiper device for a dome for cleaning a spherical clear dome window (2) installed at the front of a housing, comprising a semi-circular arc-shaped wiper arm (3) having both wiper end parts formed to be rotatable about near the center axis of the spherical clear dome window (2) and discharge holes (17) formed on the inside of the wiper arm (3) along the curved surface of the clear dome window (2) and discharging a high-pressure fluid in the state of being separated from the dome window by a specified distance. The wiper device is characterized by comprising a driving means reciprocatingly moving the wiper arm (3) by filling the high-pressure fluid from the end part of the wiper arm (3). As a result, the wiper device can clean the spherical clear dome window at the front of the housing storing TV cameras and video cameras installed in the building without damaging the window.

Inventors:
TANAKA KENICHI (JP)
Application Number:
PCT/JP2005/021789
Publication Date:
June 29, 2006
Filing Date:
November 28, 2005
Export Citation:
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Assignee:
TANAKA MACHINE CO LTD (JP)
TANAKA KENICHI (JP)
International Classes:
A47L1/02; B08B3/02; B08B5/02; H04N5/225
Foreign References:
JPH10216049A1998-08-18
JPH10216666A1998-08-18
JPH09111729A1997-04-28
JPH07133691A1995-05-23
JPH08196329A1996-08-06
JPS60207284A1985-10-18
JP2002524680A2002-08-06
Attorney, Agent or Firm:
Niwa, Hiroyuki (Nihon Seimei Shimbashi Bldg. 18-16, Shimbashi 1-chome, Minato-k, Tokyo 04, JP)
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