Stabilized elevator for stretcher or the like

Details Stabilized elevator for stretcher or the like Stabilized elevator for stretcher or the like

1979-03-09

1981-03-10

Foss, J. Franklin

Supports

Stand

Adjustable vertically

5 63, 108147, F16M 1300

Patent

active

042549280

ABSTRACT:
An elevator for raising and lowering a hospital stretcher or the like without binding. The stabilized elevator has a pair of intermeshed timing gears at each end of the elevator which are connected by horizontal axles that are rotationally secured to a first telescoping section of the elevator. Each timing gear intermeshes with a vertical toothed rack secured to a second telescoping section adjacent each gear. The intermeshing timing gears and racks cooperate to keep the telescoping elevator from binding, particularly when the stretcher or the like has a heavier load at one end than the other.

REFERENCES:
patent: 1243750 (1917-10-01), Miller
patent: 1289436 (1918-12-01), Gardner
patent: 1645908 (1927-10-01), Hutchins
patent: 2353716 (1944-07-01), Estey et al.
patent: 3472488 (1969-10-01), Naughton
patent: 3585875 (1971-06-01), Adams
patent: 3707930 (1973-01-01), Yindra
patent: 3888444 (1975-06-01), Yindra
patent: 3940808 (1976-03-01), Petrini
patent: 3989211 (1976-11-01), Gunolach

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