ADDITIONAL DEVICE OF INVALID CHAIRS FOR SURMOUNTING OF HEIGHT DIFFERENCES

摘要

Additional device of invalid chairs for surmounting of height differences consists of guiding construction (1), which angle of climbing with regard on horizontal level can be arbitrarily changed in range from 20 degrees to 45 degrees. Guiding construction (1) is provided by guides of comb racks (3), on which are moving the additional toothed wheels (5) fixed on wheels (7) of invalid chair (2) and by smooth guides (4), in which are moving the wheels (6) fixed on frame of invalid chair.