Patent ID: 6276011
Filing Date: 2001-08-21
Classification: A47C,A61G

Abstract:
An adjustable bed frame comprising a first frame having substantially remote frame head and frame foot ends, a slide frame mounted for reciprocal sliding movement relative to said first frame, said slide frame including opposite side slide rails each having opposite head and foot ends, a backrest frame adjacent said first frame head end, said backrest frame including at least one pair of head and back arms, first pivot means for pivotally connecting first ends of said head and back arms to each other, second pivot means for pivotally connecting a second end of said head arm to said first frame head end, third pivot means for pivotally connecting a second end of said back arm to at least one of the side slide rail head ends, a backrest frame and slide frame drive assembly for simultaneously moving said backrest frame and slide frame from a first substantially aligned horizontal first position to a second position at which said slide frame is closer to said frame head end than when in said first position and said backrest frame is at least partially raised, and said drive assembly including drive means connected between said head and back arms for pulling said head and back arms from a substantially horizontal planar 180.degree. position relative to each other in said first position to the second position at which said head and back arms define a relatively acute angle therebetween in said second position and reversing movement from said second position to said first position by pushing said head and back arms relative to each other.