| 摘要 |
FIELD: specific furniture, in particular, designing of working places for operators, constructors, pupils, etc. ^ SUBSTANCE: orthopedic chair has base, seat, knee unit and feet supports with individually adjustable devices. Seat is pivotally secured on transverse axis of symmetry and knee thrusts are fixed on pin for horizontal displacement in transverse direction. ^ EFFECT: convenient use and simplified construction. ^ 3 dwg |
