Beds – With means for relocating an invalid – Horizontally sliding patient support surface
Patent
1978-07-10
1980-03-18
Nunberg, Casmir A.
Beds
With means for relocating an invalid
Horizontally sliding patient support surface
5 86, 297DIG4, A61G 500
Patent
active
041931475
ABSTRACT:
A cantilevered lifting and transporting device which may be automatically or manually converted from a chair to a stretcher or vice versa. The lifting and transporting device is comprised of a U-shaped base having a pair of vertical telescoping supports on which a horizontal frame is mounted. The frame has two horizontal members or rods acting as fulcrums for supporting a rotatable back rest and leg rest which also provide support for a seat. The device is raised and lowered by a hand-cranked screw and nut combination in one of the vertical supports. An articulated connection between the rotatable back rest and the rotatable leg rest permits rotation of these parts from substantially vertical positions to horizontal positions. Attached to the rotatable back rest is an indexing plate which has a plurality of holes cooperating with a spring-biased plunger to lock the device in a variety of positions from upright to flat or in between. An automatic mode is provided by an extension on the indexing plate connected to a fixed length connecting rod pivotally secured to the base frame. This connecting rod causes the back rest and leg rest to automatically rotate from the upright or chair position to a horizontal position or stretcher when the device is raised to its highest position. An outrigger and sling is provided, telescoping into one of the vertical supports for lifting a patientfrom the chair. The outrigger is rotatable from the stored position beside the chair to a position over the chair for use in lifting a patient. Arm rests and adjustable foot rests are also provided.
REFERENCES:
patent: 2891256 (1959-06-01), Scully
patent: 3147039 (1964-09-01), Smith et al.
patent: 3259922 (1966-07-01), Fischer
patent: 3618968 (1971-11-01), Greer
patent: 3767260 (1973-10-01), Limpach
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