A wiper assembly

B - Operations – Transporting – 60 – S

Patent

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Details

B60S 1/44 (2006.01) B60S 1/04 (2006.01) B60S 1/34 (2006.01) B60S 1/54 (2006.01) B60S 1/38 (2006.01)

Patent

CA 2245298

Methods are disclosed to facilitate the removal by complete release or shattering of a frozen mass of ice or snow which has become merely trapped beneath a wiper blade during its movement. In particular there are described methods and accompanying structures for removing such frozen masses by vibrating a wiper blade at high intensity of vibration. In other methods, frozen masses are released by the use of pressurised air acting against a window across which the wiper blade operates.

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