Bed cover with isolated chambers capable of being moved apart

Beds – Bedclothing – Multilayer

Reexamination Certificate

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Details

C112S420000

Reexamination Certificate

active

11108365

ABSTRACT:
A bed cover (1) with isolated or quilted chambers (3) running parallel to one edge (2) of the bed cover and filled with a heat-insulating material, which is useable in both summer and winter based on different positioning thereof. For this, the neighboring separate chambers (3) are attached, especially sewn, to a flat cloth or similar flat part (4) so that when the flat cloth layer (4) is bent or curved in a sense of an arching of the chambers (3), neighboring boundaries or walls (5) of the chambers (3) are moved apart relative to one another, and in the case of a bend or curvature in an opposite direction the boundaries or walls (5) of the filled chambers (3) come into contact with one another to provide a better insulation. It is provided that in a spread, non-arched position of the bed cover (1), the neighboring boundaries or walls (5) of the chambers (3) have a smaller distance from one another over a first portion (5a) of an outward extent thereof from the cloth layer (4) than in a further portion (5b) of the outward extent, or are in contact for at least a first portion (5a) of the outward extent. This provides good insulation in the winter use position even in the case of a slight arching.

REFERENCES:
patent: 681573 (1901-08-01), Nichols
patent: 1569955 (1926-01-01), Falter
patent: 3293671 (1966-12-01), Griffin
patent: 4275473 (1981-06-01), Poirier
patent: 5360653 (1994-11-01), Ackley
patent: 6301730 (2001-10-01), Delfs et al.
patent: 6961970 (2005-11-01), Pedersen
patent: 38 43 426 (1990-12-01), None
patent: 92 01 666.9 (1992-06-01), None
patent: 100 35 265 (2001-02-01), None
patent: 203 16 576 (2004-03-01), None
patent: 2 159 050 (1985-11-01), None
patent: 72 75 100 (1995-10-01), None
patent: WO 2005/016082 (2005-02-01), None

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