Apparatus for moving vehicles such as caravans and

专利名称：Apparatus for moving vehicles such as

caravans and trailers

发明人：Wright, Alan Thomas,Bryer, Keith Nigel申请号：EP02250393.2申请日：20020121公开号：EP1225090A3公开日：20040211

专利附图：

摘要：Apparatus for moving a trailer comprising a pair of drive units (10,11) which aremounted or mountable on a trailer and comprise drive motors (20) having friction rollers(22) movable into and out of driving engagement with the respective wheels, the

apparatus having a control system for controlling the operation of the drive units (10,11)which is operable to cause any selected one of the drive units to operate in stepsinterrupted by periods of braking each followed by a period of no operation of the unit.The driving and braking periods are shorter than period of no operation. The controlsystem is also operable to cause the drive units to operate at different speeds.

申请人：Carver plc

地址：15 Northgate, Aldridge Walsall, West Midlands WS9 8QD GB

国籍：GB

代理机构：Wilson Gunn Skerrett

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