Beds – Invalid bed or surgical support – Vertically movable support for whole body of user
Patent
1996-04-23
1999-05-18
Grosz, Alexander
Beds
Invalid bed or surgical support
Vertically movable support for whole body of user
5600, A61G7/012
Patent
active
059039400
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates to a bed and more particularly to a hospital bed comprising a bedstead and a bed superstructure mounted on the bedstead in a vertically adjustable manner and having a preferably adjustable bed frame.
BACKGROUND OF THE INVENTION
A hospital bed of this type is disclosed in the German utility model 9,207,352.
Furthermore the U.S. Pat. No. 2,827,641 discloses a hospital bed in the case of which the bed superstructure is connected with four vertical telescoping tubes of essentially square cross section, in each of which a respective telescoping rod is arranged for longitudinal sliding movement. Each telescoping rod is provided with a caster at its lower end. By means of a motor all telescoping rods may be simultaneously extended. The motion of all four telescoping rods is however ganged so that it is impossible to change the slope of the bed superstructure.
The U.S. Pat. No. 2,747,203 discloses a hospital bed which comprises a bed superstructure with an adjustable bed frame. Both the head part of the patient support surface of the bed frame and also the foot part of the patient support surface of the bed frame are adjustable, each by means of a separate motor. The motors are connected with the bedstead.
The U.S. Pat. No. 2,819,474 discloses a similar hospital bed in the case of which also the bed frame is provided with an adjustable patient support surface, both the head part of the patient support surface and also the foot part of the patient support surface being able to be adjusted by a respective separate motor.
The prior art mechanisms for vertical adjustment involve certain disadvantages. In part very elaborately designed adjustment mechanisms are provided. In other cases the bed has a generally ugly appearance.
BRIEF SUMMARY OF THE INVENTION
One object of the present invention is to provide a vertically adjustable bed and more especially a hospital bed, which while possessing a simple structure also possesses a generally pleasing appearance.
The head part and/or the foot part of the bed superstructure is provided with at least one downwardly directed telescoping rod running in a respective associated telescopic guide of the bedstead, the telescopic guide of the head part and, respectively, of the foot part being surrounded by cladding. Accordingly the bed possesses both a simple structure and also an agreeable appearance.
The arrangement of the telescoping tubes and of the telescopic guides may also be reversed: then the head part and the foot part of the bed superstructure are each furnished with at least one downwardly extending telescopic guide, in which the associated telescoping rods of the bedstead run.
Further advantageous developments of the invention are defined in the dependent claims.
It is an advantage if the cladding is designed in the form of self-supporting cladding. In the case of designs so far known the bedstead, which carries the load bearing part, is encircled by separate cladding. On the other hand in the present case, in accordance with the advantageous further development of the invention, the cladding is designed in the form of self-supporting cladding. This self-supporting cladding simultaneously performs two functions: on the one hand the function of carrying the bed superstructure and on the other hand the function of cladding the parts necessary for vertical adjustment.
Preferably the cladding members are designed in the form of housings. It is also an advantage if the housing is designed as a housing which is closed on all sides. It is more particularly an advantage if the housing is in the form of a cast housing, and preferably as an aluminum injection casting or a magnesium injection casting. Since the housings are shut off on all sides, it is a simple matter to clean the same. This is something of particular importance, if the bed is used as a hospital bed or as a bed for home care, both for hand cleaning and also for mechanical cleaning in a cleaning apparatus or cleaning plant. Such special purpose cleaning plant for ho
REFERENCES:
patent: 2747203 (1956-05-01), Dawson
patent: 2819474 (1958-01-01), Olsen
patent: 2827641 (1958-03-01), Reichert et al.
patent: 3587482 (1971-06-01), Wieland
patent: 4175783 (1979-11-01), Pioth
patent: 4439879 (1984-04-01), Werner
Baumeister Karlheinz
Volker Heinrich
Grosz Alexander
Volker Mobelproduktionsgesellschaft MGM
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