Seat cushion or bed cushion

Details Seat cushion or bed cushion Seat cushion or bed cushion

A - Human Necessities

47

C

360/1

A47C 27/08 (2006.01) A47C 4/54 (2006.01) F02G 1/043 (2006.01) F16J 1/00 (2006.01)

Patent

CA 1104273

P-428 B/OH A b s t r a c t The invention relates to a bed of the water bed type and com- prising a seat cushion or bed cushion having a support cushion (2) of an elastic foam plastic or foam rubber material which is enclosed in a water sealed and gas sealed bed tick (1) of a pliable but non- elastic material. The length and the width of the support cushion is substantially the same as those of the bed tick whereas the height of the bed tick is larger, for instance 20 % larger than the height of the support cushion. The support cushion is formed with several vertical through holes (5) having a cross section corresponding to a circle the diameter of which is 45 - 75 % of the height of the support cushion. The water bed may be formed with side edges which are stiffer than the remaining portions of the bed or it may be immer- sed in a base plate having a frame (16) surrounding the entire water bed portion. The water bed portion may be substantially less than the base plate (14) and the water may be secured in the base plate in that the sides (17) of the base plate in which the water bed is immersed are undercut and/or in that the water bed is formed with connection tongues (18) which are introduced in longitudinal slots (19) of the base plate.

328370

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