Bed or chair with supporting surfaces having angular positions variable in relation to each other
United States Patent 3305877
US Patent References:
Foldable bed frame-bed to contour chair
- - 3003160
Adjustable holding mechanism
- - 3127783
Hospital bed
- - 3175229
Beds
- - 3184765
Bed or chair with supporting surfaces having angular positions variable in relation to each other
- - 3211495
Foldable bed frame-bed to contour chair
- - 3003160
Adjustable holding mechanism
- - 3127783
Hospital bed
- - 3175229
Beds
- - 3184765
Bed or chair with supporting surfaces having angular positions variable in relation to each other
- - 3211495
Inventors:
Christian, Niclsen George Peter
Publication Date:
02/28/1967
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Assignee:
CHRISTENSEN ALLEN & CO
Primary Class:
Other Classes:
297/342, 297/65, 297/320
International Classes:
A47C20/08; A61G7/015; A47C20/00; A61G7/002