Pillow bed mechanism
AssigneeSpectro Industries, Inc.
InventorAlbert E. Sebest
Life of this patent
Estimating the term…
Abstract
A mechanism for providing varying degrees of elevation to separately movable head-rest and back-support sections. Head-rest and back-support sections are pivotable about points on a frame section and are pivotally connected to one another to allow controlled reclining movements. A drive motor powers a positioning device to allow the back-support section to vary from upright to horizontal. When the positioning device engages a deflector at the head of the bed, the head-rest section tilts upward to form a pillow even though the back-support section remains horizontal.
Claims4
An improved body supporting assembly wherein a horizontal frame member has a back-support section pivotally connected to head-rest section with a drive means for providing a force for raising and lowering said back-support section and said head-rest section from horizontal positions to angularly inclined positions relative to said frame, the improvement comprising linking said head-rest section to said back-support section at a predetermined point and deflecting said drive means to allow independent inclined movement of said head-rest section relative to the horizontal position of said back-support section.
An improved body supporting assembly wherein a horizontal frame member has a back-support section pivotally connected to a head-rest section with a drive means for providing a force for raising and lowering said back-support section and said head-rest section from horizontal positions to angularly inclined positions relative to said frame, the improvement comprising attaching a concave deflector initially transversely to the underside of said head-rest section to translate a back-supporting force into a head-rest section tilting force.
A body supporting assembly comprising:
- a horizontally disposed frame section having a pillow section with a transversely projecting tab extending upwards, and an oppositely disposed foot-end section having
- (a) a side plate attached to the outer side thereof,
- (b) a downwardly projecting anchor tab of a predetermined length extending from the bottom thereof, and
- (c) a securing shelf extending inwardly therefrom;
- a back-support section pivotally attached by the proximate end to said side plate;
- a drive motor hingedly connected to said securing shelf for driving a worm gear, said gear extending towards the pillow section and threadedly moving a rider ring thereon;
- a restraint bar with a first upper end and a second lower end and pivotably connected at said second end to said tab;
- a head-rest section pivotably connected at the midpoint thereof to the distil end of said back-support section and pivotably connected at the bottom end to said restraint bar second end, and having a concave deflector extending initially transversely from the underside thereof in substantial alignment with the underside of said back-support section;
- and
- a curved brace having at least one movable wheel projecting from the top end thereof and of a predetermined length and rounded shape, fixedly connected at the bottom thereof at a predetermined angle, at an axis formed at a predetermined point on said anchor tab, to a drive bar, said drive bar being pivotally connected to said rider ring.
Dependencies are inferred from the claim text.