Ladder walker "Puma UNI" Stair lift "PUMA-wagon", staircase - a technical means of social rehabilitation of people with disabilities. The version of the lift "PUMA-wagon" is a modification of the lift "PUMA-UNI-130" and is intended for climbing stairs by a person with disabilities, who is in a chair, which is an integral part of the lift and is controlled by a person accompanying the user. "PUMA-universal" is an autonomous mobile device that can be used not only on flights of stairs, but also when moving along the street during walks, with the ability to overcome curbs, as well as visiting social infrastructure (shops, theaters, pharmacies, schools etc.), where it is necessary to climb stairs. Reduced overall dimensions of the lift "PUMA-wagon" allow to overcome narrower flights of stairs, walkways, doorways, doors of elevator cabins, etc., which makes the disabled person in the chair of this lift more mobile. Technical characteristics of "PUMA-wagon" Loading capacity 160 kg; Lift weight (assembled) 38.2 kg; Lifting unit weight 20.8 kg; Weight of the steering column with backrest 5.8 kg; Battery weight 7.9 kg; Seat weight with footrest 3.7 kg; The width of the back of the wheelchair is 370 mm; Hoist running wheel diameter 250 mm; The track of the traveling wheels of the lift (external dimension) is 312 mm; Lift height (minimum) 1100mm; Lift width 370 mm; Lift length 985 mm; Handle width 470 mm; Seat depth 380mm; Backrest height 600 mm; Dimensions of the landing on the flight of stairs, not less than 0.9 × 1.1m; Maximum stair tread height 230 mm; The minimum length of the stair step is 220 mm; Maximum angle of ascent 46º; The voltage of the on-board network of the hoist is 24 V; DC electric motor -24 V, 350 W - operating current, no more than 20 A - type of protection IPX4; Rechargeable batteries (joint stock bank) 2 × 12 V / 12Ah (sealed); The number of steps to be overcome with fully charged batteries is approximately ** up to 500 **; The operating time of the lift, with a fully charged battery, depends on the weight of the transported cargo and the direction of movement: up or down; With frequent use of the lift, it is possible to use a second (spare) battery pack; Also, in certain situations, it is acceptable to charge the battery from the vehicle's on-board network while it is moving; Travel speed on a flight of stairs *** 8 ... 15 steps per minute ***; Depends on the state of charge of the battery, the weight of the load and the direction of movement: up or down; Adjusting the speed of movement Switch on lock Emergency stop button; Soft start forward / backward LED indication of battery charge level Electronic control unit;