Beds – Bedsteads – Having bottom
Reexamination Certificate
2000-01-07
2001-09-11
Browne, Lynne H. (Department: 3628)
Beds
Bedsteads
Having bottom
C005S239000
Reexamination Certificate
active
06286160
ABSTRACT:
BACKGROUND OF THE INVENTION
A bed is known from DE 32 32 123 A 1. The tubes are disposed in troughs and the transverse rods formed as boards resting with the broad side on the tubes. The ends of the boards are guided in slots on the inside of the troughs, being disposed below the upper edges of the troughs. The area of the transverse rods above the tubes can thus not be used as a rest for a mattress or similar cushion.
EP 0 161 392 A 1 discloses a support wherein a cover is fastened to the substructure on both long sides so as to encompass the tubes, transverse rods and cushion on the transverse rods to form one unit. With this support the area above the tubes can be used to recline on, but single parts can only be replaced if the cover is removed. This makes it difficult both to replace or turn over the cushion and to replace a broken transverse rod or leaky tube.
EP-A-0 378 469 discloses a bed support. The transverse rods are supported on the tube via a shaft with a piston. The tube is for this purpose disposed in a rectangular hollow section having high side walls for guiding the piston. This not only results in a high structure. Since the person's weight on the bed is transferred to the tube via the piston, the piston with the shaft must also be of elaborate stable design. In addition, the pistons must be pushed into the hollow section from one side and then awkwardly connected with the transverse rods.
SUMMARY OF THE INVENTION
The object of the invention is to provide such a support which permits unproblematic replacement of the cushion as well as the other parts while having a maximum reclining surface and simple structure.
In the inventive support the cushion, tubes, transverse rods and other parts can be replaced without any problem. To prevent the transverse rods from shifting when moved back and forth in the loading direction, they are guided. To permit their total length to be used as a rest for the cushion, the transverse rods are disposed according to the invention so as to protrude beyond the guide means.
Further, one guides the transverse rods by fastening guide rods to the transverse rods and providing guide members on the longitudinal bars of the substructure laterally beside the tubes, said guide rods being inserted in said guide members so that the guide rods are mounted displaceably in the guide members.
The guide member can be formed by a bore in the longitudinal bar. In a further preferred embodiment the guide rod is formed by a piston fastened to the transverse rods, and the guide member by a cylinder firmly connected with the longitudinal bar, said piston being mounted displaceably in said cylinder.
The tubes are preferably made of a nonexpandable material, in particular woven hose, i.e. pressure tubing like a fire hose. The weave can be embedded in a thermoplastic resin. The tubes can have a constant diameter over their total length. However, it is also possible to provide the tubes with constrictions or a widened diameter in certain areas.
The tubes are preferably filled with a liquid, in particular water, or pellets, but only partly, preferably less than four fifths and more than one quarter, in particular less than three quarters and more than one half. The nonexpandable tubes partly filled with liquid or pellets result in uniform distribution of pressure on the body and thus an essential improvement in reclining comfort.
The transverse rods are preferably formed by wooden laths or boards. The substructure is likewise preferably made of wood.
The inventive support can be formed in particular as a slatted base for a bedstead, in particular a bedding box.
The substructure is then supported on the mounting strips normally fastened to the inner sides of the two long sides of the bedding box.
However, the inventive support can also be provided on seating furniture, whereby it can form the seat but also the back rest.
REFERENCES:
patent: 4477935 (1984-10-01), Griffin
patent: 4525886 (1985-07-01), Savenije
patent: 5038429 (1991-08-01), Elmalek et al.
patent: 5060326 (1991-10-01), Oswald
patent: 5070560 (1991-12-01), Wilkinson
patent: 5127114 (1992-07-01), Hörburger
patent: 5210889 (1993-05-01), Wessemann et al.
patent: 5265290 (1993-11-01), Van Raemdonck
patent: 5412821 (1995-05-01), Wilkinson
patent: 5524307 (1996-06-01), Griffin
patent: 5692258 (1997-12-01), Griffin
patent: 620 581 (1980-12-01), None
patent: 2621803 (1977-06-01), None
patent: 32 32 123 (1984-03-01), None
patent: 34 13 156 (1985-10-01), None
patent: 4321818 (1994-01-01), None
patent: 0 038 155 (1981-10-01), None
patent: 116237 (1984-07-01), None
patent: 0 161 392 (1985-11-01), None
patent: 0 378 469 (1990-07-01), None
patent: 0 697 184 (1996-02-01), None
patent: 8400147 (1984-11-01), None
patent: WO 94/01024 (1994-01-01), None
Breitfuss Ingo
Langegger Josef
Langegger-Kroell Renate
Browne Lynne H.
Flynn ,Thiel, Boutell & Tanis, P.C.
Santos Robert G.
Woodstock Company Langegger Breitfuss OEG
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