B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
214/64
B65D 19/00 (2006.01)
Patent
CA 1171819
A B S T R A C T A device for a load carrying unit intended to faciliate transport of the load carrying unit along a supporting surface when a force is applied in intended direction of transport, including a number of devices located at the load carrying unit , each device comprising of a piston member , arranged to faciliate a restricted movement in direction towards the supporting surface, having a recess open in direction towards the supporting surface, and a spherical supporting member located in said recess , arranged movable in relation to the piston member to a posi- tion extending out from the piston member , a channel being arranged flow communicating between said recess and the end portion of the piston member , which is opposed to the end portion from which the spherical supporting member can extend, an inlet member , arranged connected to a gas source under pressure, being arranged to faciliate supply of gas to the end portion of the piston member at which the channel ends, and thus move the piston member and/or the spherical supporting member to a position in which the spherical supporting member takes up contact with the supporting surface, in which position the supplied gas is arranged to flow past the spherical supporting member while maintaining an increased pressure at the part directed from the opening of the recess , thus accomp- lishing a lifting movement of the load carrying unit from the supporting surface. A valve member is preferably located in connection with the channel , arranged to restrict the gas flow to the recess when the spherical supporting member is located in an outer and from the piston member extending restricted position, without contact with the supporting surface.
386346
Gebelius Sven R. V.
Marks & Clerk
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