PANTOGRAPH Russian patent published in 2018 - IPC F16H21/00 B66F3/22 

FIELD: transportation.

SUBSTANCE: invention relates to the lifting and transporting devices, namely to lifts with pantograph. Pantograph contains composed of links sliding frame, made in the form of multi-section sliding scissor mechanism. At the sections connection points the frame has the links hinging by means of card links, at that, the sections are pivotally mounted relative to the card links axis. Hinges are made in the form of screw-nut connection, in which screw with the countersunk head is screwed into the nut, which is made in the form of bushing with internal thread and on the one end has a countersink head. In the axis installation place card links material is made with a flange limiting the sections angle of rotation. Card links axes are equipped with torsion springs, which ends rest against the card links. Card links axis is made stepped. Card links are made in the form of double-sided loop.

EFFECT: invention provides reduction in the frame dimensions due to the sections folding and the expansion of the pantograph functionality, for example, by obtaining mechanism with larger number of scissors (multi-scissor mechanism).

5 cl, 7 dwg