Multipurpose maternity care bed
First Claim
1. An elevationally adjustable bed, comprising:
- a rigid bed frame having opposed sides;
a floor-supported base located elevationally beneath the bed frame;
longitudinal mattress means on the bed frame for supporting the body of a user; and
lift means operably connected between the bed frame and the base for elevationally raising or lowering the bed frame relative to the base, the lift means partially overlapping the bed frame in a nesting relationship;
the lift means comprising;
a base transport movably mounted on the base;
parallel arms positioned in pairs alongside the respective sides of the bed frame, the paired arms extending respectively from two lower horizontal pivot connections on the base transport to two upper horizontal pivot connections;
guide means on the base operably mounting the base transport for horizontal longitudinal movement relative to the base; and
restraining means operably connected between the base and the arms for causing the arms to move angularly relative to the base about their two lower horizontal pivot connections in response to horizontal longitudinal movement of the base transport relative to the base.
2 Assignments
0 Petitions
Accused Products
Abstract
A bed for multipurpose maternity care uses includes an elevationally adjustabel bed frame carried by transversely spaced lift mechanisms that permit the bed frame to nest between the lift mechanisms as it is raised or lowered with respect to a supporting base. An upper mattress assembly, including a seat and back rest, are pivotally mounted across the top of the bed frame. The bed frame includes a forwardly open cavity having guides for receiving a longitudinally movable lower mattress assembly at all elevational positions of the bed frame relative to the base. Elevationally movable outer supports mounted on the bed frame engage and support the lower mattress assembly when it is extended longitudinally outward from the bed frame. A pair of foot supports are movably mounted on brackets alongside the bed frame. The supporting linkages and brackets for the foot supports can be selectively connected to the outer supports for moving the extended lower mattress assembly in unison with the foot supports. The lower mattress assembly can be retracted under the seat regardless of the angular or elevational position of the seat relative to the base of the bed.
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Citations
29 Claims
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1. An elevationally adjustable bed, comprising:
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a rigid bed frame having opposed sides; a floor-supported base located elevationally beneath the bed frame; longitudinal mattress means on the bed frame for supporting the body of a user; and lift means operably connected between the bed frame and the base for elevationally raising or lowering the bed frame relative to the base, the lift means partially overlapping the bed frame in a nesting relationship; the lift means comprising; a base transport movably mounted on the base; parallel arms positioned in pairs alongside the respective sides of the bed frame, the paired arms extending respectively from two lower horizontal pivot connections on the base transport to two upper horizontal pivot connections; guide means on the base operably mounting the base transport for horizontal longitudinal movement relative to the base; and restraining means operably connected between the base and the arms for causing the arms to move angularly relative to the base about their two lower horizontal pivot connections in response to horizontal longitudinal movement of the base transport relative to the base. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An adjustable bed for movably supporting a user, comprising:
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a rigid bed frame having opposed sides; a longitudinal upper mattress assembly overlying the bed frame and mounted to it, the upper mattress assembly being adapted to be engaged by the head and torso of a user; a separate lower mattress assembly, the lower mattress assembly being adapted to be engaged by the lower extremities of a user; guide means on the bed frame for selectively positioning the lower mattress assembly in a retracted position recessed elevationally beneath the upper mattress assembly; outer support means mounted to opposite sides of the bed frame for elevational movement relative to the bed frame, the outer support means being selectively engageable by the lower mattress assembly as it is extended outwardly from its retracted position for attaching the lower mattress assembly solely to the outer support means in a cantilevered position extending outward from the bed frame longitudinally adjacent to the upper mattress assembly; a pair of foot supports mounted respectively to opposite sides of the bed frame for engagement by a person on the upper mattress assembly; and releasable means operably connected between the foot supports and the outer support means for selectively causing them to be elevationally movable in unison relative to the bed frame. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An adjustable bed, comprising:
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a rigid bed frame having opposed sides; a longitudinal upper mattress assembly overlying the bed frame and mounted to it, the upper mattress assembly having a top surface area extending between a head end and a front edge, the top surface area being adapted to support the head and torso of a user; a separate lower mattress assembly, the lower mattress assembly having a top surface area adapted to support the lower extremities of a user; guide means on the bed frame for selectively engaging the lower mattress assembly as it is moved longitudinally relative to the bed frame to or from a retracted position that is elevationally beneath the upper mattress assembly; a pair of elevationally movable outer supports respectively mounted to the sides of the bed frame at locations longitudinally adjacent to the front edge of the upper mattress assembly; actuating means operably connected between the bed frame and the outer supports for moving them elevationally in unison relative to the bed frame; attachment means on each outer support for selectively engaging the lower mattress assembly in a cantilevered position that protrudes longitudinally outward from the bed frame; a pair of foot supports; movable bracket means mounted to the bed frame for adjustably holding the foot supports for engagement by the feet of a user while on the upper mattress assembly; the actuating means including movable means mounted to the bed frame for elevationally positioning the bracket means relative to the bed frame; and releasable means operably connected between the bracket means and the outer support means for selectively causing them to be elevationally movable in unison relative to the bed frame. - View Dependent Claims (24, 25, 26, 27)
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28. An elevationally adjustable bed, comprising:
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a rigid bed frame having opposed sides; a floor-supported base located elevationally beneath the bed frame; longitudinal mattress means on the bed frame for supporting the body of a user; and lift means operably connected between the bed frame and the base for elevationally raising or lowering the bed frame relative to the base, the lift means partially overlapping the bed frame in a nesting relationship; the lift means comprising; a base transport movably mounted on the base; parallel arms positioned in pairs alongside the respective sides of the bed frame, the paired arms extending respectively from two lower horizontal pivot connections on the base transport to two upper horizontal pivot connections; guide means on the base operably mounting the base transport for horizontal longitudinal movement relative to the base; restraining means operably connected between the base and the arms for causing the arms to move angularly relative to the base about their two lower horizontal pivot connections in response to horizontal longitudinal movement of the base transport relative to the base; actuating means operably connected between the base and the base transport for moving the base transport longitudinally relative to the base; means pivotally suspending the bed frame about a first of the upper horizontal pivot connections on the parallel arms; and adjustable means operably connected between the bed frame and the remaining upper horizontal pivot connection on the parallel arms for selectively fixing the angular position of the bed frame about the first upper horizontal pivot connection on the parallel arms.
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29. An adjustable bed for movably supporting a user, comprising:
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a rigid bed frame having opposed sides; a longitudinal upper mattress assembly overlying the bed frame and mounted to it, the upper mattress assembly being adapted to be engaged by the head and torso of a user; a separate lower mattress assembly, the lower mattress assembly being adapted to be engaged by the lower extremities of a user; guide means on the bed frame for selectively positioning the lower mattress assembly in a retracted position recessed elevationally beneath the upper mattress assembly; outer support means mounted to opposite sides of the bed frame for elevational movement relative to the bed frame, the outer support means being selectively engageable by the lower mattress assembly as it is extended outwardly from its retracted position for attaching the lower mattress assembly solely to the outer support means in a cantilevered position extending outward from the bed frame longitudinally adjacent to the upper mattress assembly; a pair of foot supports mounted respectively to opposite sides of the bed frame for engagement by a person on the upper mattress assembly; and bracket means movably mounted on the bed frame for elevationally moving the foot supports relative to the bed frame; and actuating means operably connected between the bed frame and the bracket means for selectively positioning the bracket means elevationally relative to the bed frame; releasable means operably connected between the foot supports and the outer support means for selectively causing them to be elevationally movable in unison relative to the bed frame.
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Specification