FIELD: mechanical engineering.
SUBSTANCE: invention relates to devices for moving invalid persons over flights of stairs. Proposed device has ramp made up of portable sections forming track pit, and winch installed on invalid chair. Sections of device to be secured of flight of stairs to form track pit for wheels of invalid chair are made Z-shaped in cross section. Winch drum is installed with displacement of its axle relative to axle of rotation of its handle to form eccentricity between them.
EFFECT: improved convenience in operation of device.
9 dwg
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