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Publication of NL7413832ApublicationCriticalpatent/NL7413832A/en
A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47C—CHAIRS; SOFAS; BEDS
A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
A47C20/048—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by fluid means
Landscapes
Health & Medical Sciences
(AREA)
General Health & Medical Sciences
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Nursing
(AREA)
Invalid Beds And Related Equipment
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Fluid-Damping Devices
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Abstract
The bed has a hinged foot end and is incorporated in a rectangular frame with an auxiliary frame which rotates about a horizontal axis. A damping system is provided by a closed hydraulic pneumatic pressure cylinder co-operating with the spring unit. The spring may be operated by the action of a cord or similar tractive device. The liquid chamber and the gas chamber are of the same diameter and are separated by a spacing bush.
NL7413832A1973-10-251974-10-22Bed with adjustable foot end - comprises a rectangular frame with an auxiliary frame rotatable about a horizontal axis
NL7413832A
(en)