Patent ID: 7578241
Filing Date: 2009-08-25
Classification: A61G,B66C,E01B

Abstract:
1. A telescopic rail and carriage assembly for suspending a patient lift, wherein: the carriage comprises a downward projection to which the patient lift is to be connected, at least one upper set of wheels and at least one lower set of wheels on vertically displaced axes that are interconnected with a connecting member, the telescopic rail comprises an inner rail section and an outer rail section, the outer rail section defining a first inner cavity, the inner rail section defining a second inner cavity, the inner rail section being at least partially disposed within the first cavity whereby the outer rail section embraces the inner rail section in a sliding engagement allowing the inner rail section to be telescopically displaceable in and out of the outer rail section, the outer rail section is provided with a longitudinally extending first opening through which the downward projection extends, the inner rail section is provided with a longitudinally extending second opening through which the connecting member extends, the outer rail section is provided with a first longitudinally extending interior support surface on both sides of the first longitudinally extending opening for guiding and supporting the lower set of wheels, and the inner rail section is provided with a second longitudinally extending interior support surface on both sides of the second longitudinally extending opening for guiding and supporting the upper set of wheels.