| 摘要 |
A remotely operable wiper apparatus for a viewing device comprising a mounting frame supporting a viewing device and further supporting a wiper frame slidingly disposed for bidirectional linear motion relative to a viewing surface of the viewing device. A wiper blade is supported by the wiper frame and is disposed to wipingly contact the viewing surface. Parallel first and second fluid cylinders supported by the mounting frame motivate the wiper frame in response to pressurized fluid selectively directed to the fluid cylinders.
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