US 9,004,508 B2Granted

Movable bed

AssigneePanasonic Corporation

InventorsShohei Tsukada, Hideo Kawakami, Tohru Nakamura, Ryuichi Ueda

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Abstract

In a movable bed composed by combining a bed main portion and a wheelchair, the wheelchair has chair back bottom rails having cutout portions in a chair back bottom, and a chair back guide portion installed rotatably about a rotation point with respect to a chair base portion, the chair back guide portion having sliding portions engaged with the chair back bottom rails so as to be slidable and arranged to be disengageable from the chair back bottom rails by being located in the cutout portions, and in a fourth state (flat posture), the sliding portions are located in the cutout portions, the chair back guide portion and the chair back bottom are disengaged so as to be separable from each other, and a back lifting posture of the bed main portion and the chair back bottom can be performed over the entire width of the bed, whereas in a first state (chair posture), the sliding portions are engaged with the chair back bottom rails and can slide along the chair back bottom rails.

Claims14

Dependent claims

A movable bed, composed by combining a bed main portion and a wheelchair, being capable of supporting a bed back bottom of the bed main portion and a chair back bottom of the wheelchair from back surfaces by a first bed frame of the bed main portion at time of combination, and performing a back lifting action, wherein

the wheelchair comprises:
a chair bottom portion composed by coupling a plurality of bottoms including the chair back bottom;
a chair base portion that supports the chair bottom portion;
a rail member arranged in the chair back bottom, and having a cutout portion;
and
a first chair frame installed rotatably about a rotation point with respect to the chair base portion, the first chair frame having a sliding portion engaged with the rail member so as to be slidable along the rail member and disengageable from the rail member in the cutout portion, and
in a state where an inclination angle of the chair back bottom is 0°, the first chair frame and the chair back bottom are disengaged so as to be separable from each other by locating the sliding portion in the cutout portion, whereas
in a state where the wheelchair is in a chair posture, the sliding portion is engaged with the rail member so as to be slidable along the rail member.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/356,695Filed 4 Jul 2013
Priority: JP 2012-1510815 Jul 2012
Published: US 2014/0319804 A130 Oct 2014
Granted: 14 Apr 2015
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

A61G 5/006
Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs: convertible to stretchers or beds
A61G 7/00
Beds specially adapted for nursing
A61G 7/16
Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto: converting a lying surface into a chair
A61G 7/165
Converting a lying surface into a chair: chair detachable from bed

Family

US 2014/0319804 A1Pre-grant publication · published 30 Oct 2014
US 9,004,508 B2This patent

From the US filing history. Foreign family members aren’t listed.

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