A - Human Necessities – 61 – G
Patent
A - Human Necessities
61
G
A61G 7/05 (2006.01) A47C 19/02 (2006.01) A47C 19/04 (2006.01) A47C 31/00 (2006.01) A61G 1/02 (2006.01) A61G 7/012 (2006.01)
Patent
CA 2687698
A vertically adjustable mechanical bed consisting of a bed frame for support of a mattress and occupant attached to moveable leg means powered by a motor means. Operation of the motor means causes a bearing block attached to ft leg means to move longitudinally along a guide rod means, thereby collapsing the leg means beneath the bed and moving the bed frame vertically. Collapsing the bed to its substantially lowermost position causes the bearing block to engage a spring, thereby compressing said spring between the bearing block and a transverse member of the bed frame. The energy stored by the compression of the spring is used to raise the bed from its substantially lowermost position. Pivotally attached to the leg means is a rolling means consisting of a caster and foot arrangement. During normal operation, the foot is firmly engaged with the floor surface. When the bed frame moves to its substantially uppermost position, a pin extending from the leg means and constrained in a slot on a flanged face of the rolling means engages one end of the slot, thereby causing the rolling means to pivot and the caster to engage the floor, rendering the bed horizontally mobile.
Carroll Healthcare Inc.
Carroll Healthcare L.p.
Osler Hoskin & Harcourt Llp
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