| 摘要 |
FIELD: medical facilities. ^ SUBSTANCE: proposed invalid chair can be used for unattended movement of invalid person in chair or for setting into motion and control by attendant. It has frame, backrest, seat, armrests, footsteps, driving wheels and turning forks with front wheels. Frame consists of two parts spaced crosswise one relative to the other and interconnected by telescopic guide. Telescopic guide is installed in bearings for turning though angle equal to clearance between lock and telescopic guide. Thanks to it frame parts can be displaced through definite value of angle. ^ EFFECT: simplified design, reduced mass. ^ 2 cl, 2 dwg |
