Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Patent
1980-07-03
1982-08-31
Sheridan, Robert G.
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
105426, 362 76, 414546, 414917, 414921, B60P 148
Patent
active
043470300
ABSTRACT:
This invention relates to a novel loading and detraining apparatus for use by wheelchair confined and other handicapped passengers. One embodiment of the invention makes provision for the loading and detraining of such passengers at the entrances to railway coaches and more particularly over the stairwell in a vestibule of such coaches. A horizontal loading platform is pivotally connected to a pair of spaced apart and opposed linkage means positioned on either side thereof and which are in turn pivotally connected to the coach. Each linkage means comprises three linkage sections which are so arranged as to define two co-operating parallelograms having one common side which is parallel to the loading platform. Electrically, pneumatically or hydraulically powered motive means is operatively connected to said linkage sections so as to rotate such sections about their pivotal connections to the coach thus raising and lowering the loading platform, at coach entrance, between coach floor elevation inboard template line of coach and railway station platform outboard template line of coach.
REFERENCES:
patent: 958542 (1910-05-01), Ricketts
patent: 3724396 (1973-04-01), Roth
patent: 3893697 (1975-07-01), Blitz et al.
patent: 4029223 (1977-06-01), Adamski et al.
patent: 4124130 (1978-11-01), Rohrs et al.
patent: 4273498 (1981-06-01), Dickhart et al.
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