Beds – Invalid bed or surgical support – Vertically movable support for whole body of user
Patent
1995-04-28
1997-06-10
Meyers, Steven N.
Beds
Invalid bed or surgical support
Vertically movable support for whole body of user
108 10, 108147, A47B 906, A47B 910, A47C 1776
Patent
active
056363940
ABSTRACT:
A hospital bed including a base adapted to roll over the floor, a litter disposed on the base upon which the patient rests, a lift assembly designed to selectively position the litter a selected vertical distance above the base and at least one stabilizer unit between the litter and the base. Each stabilizer unit includes a pair of rack-and-pinion assemblies that extend between the base and the litter. The pinions of the rack-and-pinion assembly are connected together to rotate in unison. Owing to the interconnection of the pinions, the rack-and-pinion assemblies are prevented from moving vertically in directions opposite to each other. This lock-out of the rack-and-pinion movement prevents the litter from moving side-to-side. The stabilizer unit thus prevents the undesirable side-to-side rocking movement of the litter.
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Meyers Steven N.
Santos Robert G.
Stryker Corporation
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