JACK Russian patent published in 2011 - IPC B66F5/00 B66F3/00 

FIELD: transport.

SUBSTANCE: invention relates to hoists used in whatever industry, primarily, in maintenance and repair of automobiles. Proposed device comprises frame 1 with front and rear wheels 2 and 3 articulated therewith, lifting table 6 with front and rear rolls 7 ant 8 articulated therewith. Bell crank 11 with small and large arms A and B and axles 10 and 5 make hinge joints with frame 1 and lifting table 6. Shackle 12 makes articulation with frame 1 and lifting table 6 by axles 4 and 9. Rolls 13 and 14 are hinged onto cargo beam 15 to roll on lifting table bearing surface. Beam is articulated via hinge 16 with lever arm B. Thrust device 17 is articulated to opposite end of load beam 15. Retainer 18 is articulated on axle 10.

EFFECT: higher stability.

3 dwg