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    • 84. 发明专利
    • BED DEVICE
    • JPH07313303A
    • 1995-12-05
    • JP10846294
    • 1994-05-23
    • FRANCE BED CO
    • SATO MAMORU
    • A47C7/46A47C17/16A47C19/04
    • PURPOSE:To adjust supporting heights and supporting angle of the upper half of the body of a user according to utilization conditions by a method wherein a link mechanism which holds a leg link at a predetermined rotation angle to adjust supporting heights of a base member is provided, and a rear member is provided, under conditions that angle thereof can be adjusted, at the upper end of a stay which is provided so as to be held at a predetermined angle. CONSTITUTION:There is provided a leg link 28, one end of which is rotatably connected to a base member 1, and a link mechanism 10 is provided, so that the link 28 can be held at a predetermined angle and the supporting height of the member 1 can be changed in several stages. A stay 62 is provided on the side of an end of the member 1, in a longitudinal direction thereof, in such a manner that the lower end thereof is rotatable and can be held at a predetermined angle. An upper connection piece is fixedly attached to the upper end of the stay 62 and an upper ratchet plate 63 is secured to the connection piece. Further, one end of an upper supporter 64 is rotatably connected to the plate 63 and the other end thereof is connected and secured to the rear side of a rear member 69. The member 69 can be moved longitudinally along a mattress 2.