LOAD-LIFTING TABLE Russian patent published in 2010 - IPC B66F7/06 B66F3/22 

FIELD: transport.

SUBSTANCE: table includes the base, cargo platform, hinge-lever mechanism and extension-type drive. Pair of hinged intersecting levers of the aforesaid mechanism is located in two mutually perpendicular planes. The above levers are connected to trunnions of common hinge by means of sleeves in middle parts. Common hinge is made in the form of the crosspiece formed with outer ring with trunnions in diametral plane and disc with trunnions. Ring and disc of common hinge are conjugated with common spherical surface. Each end of the intersecting lever is mounted in the guide by means of bearing block. Guides are located on the base and cargo platform. Extension-type drive is made in the form of a system of ropes. Some ends of ropes are connected to lower ends of both pairs of intersecting levers. The other ends of the same ropes are connected with eye rings to the axis arranged by means of the fork on the stock end of hydraulic power cylinder. Branches of ropes are conjugated with enveloping rollers and blocks.

EFFECT: table will ensure stable position of cargo platform above the base at any lifting height.

18 dwg