Railways – Traction – Cable
Patent
1995-04-12
1996-09-10
Morano, S. Joseph
Railways
Traction
Cable
105 722, 187201, 2802501, 2803041, B62B 902, B61J 304
Patent
active
055535488
ABSTRACT:
A method and device for moving an occupied wheelchair between two levels involves tracks mounted on stairs and a pull cable that is substantially aligned with the center of gravity of the chair and is anchored above the upper level. The tracks have a transition section between the lower level and a main slope of the tracks. The device can be used by a wheelchair occupant to ascend or descend the stairs without assistance from any other person. The cable has a winch which can be manually operated by the wheelchair occupant or power operated and controlled by a remote control in the hands of the wheelchair occupant. Previously, wheelchair occupants are moved between two different levels by ramps or elevators.
REFERENCES:
patent: 4865344 (1989-09-01), Romero et al.
patent: 5050708 (1991-09-01), Wood
patent: 5363771 (1994-11-01), Warren et al.
patent: 5470093 (1995-11-01), Kiser
Morano S. Joseph
Schnurr Daryl W.
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