SUSPENDED LADDER LIFT CARRIAGE (OPTIONS) Russian patent published in 2023 - IPC B66B9/08 

FIELD: lifting devices.

SUBSTANCE: inventions group relates to lifting devices. Suspended stair lift carriage contains a body, an earring, one or two drive rollers. The working surface of the roller is made of friction material. The case is made with a profile window cutout in the middle of the upper part for the guide. The earring is pivotally connected to the body. In the center of the lower part of the earring, a wheelchair suspension is hinged. The drive roller is mounted in the center of the common output shaft of two symmetrically located gearmotors. Or two identical drive rollers interact each with a half of the lower horizontal surface of the guide and are mounted symmetrically on the cantilever part of the identical hollow shafts. The carriage is held on the guide by means of two identical blocks of support rollers. Support rollers are pivotally fixed inside the body in the middle of its upper part on the swing axes. The outer spherical working surface of the rollers is made with the possibility of abutting against the surface of the corner connection of the shelves of the tee guide on both sides of it and at the same angle. Hollow shafts are mounted on a common axis of two geared motors.

EFFECT: increased reliability of frictional engagement of the drive rollers with the guide.

5 cl, 11 dwg