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Class Information
Number: 5/44.1
Name: Beds > Sofa bed > Forward-turning back > Advancing and unfolding seat
Description: Device in which the forward-turning back is combined into a bed bottom with an unfolding seat.

Patents under this class:

Patent Number Title Of Patent Date Issued
8387176 Motorized mechanism for extending a sofa sleeper from a sitting position to a reclining position Mar. 5, 2013
7488300 Bicentric hinge for use in a brace Feb. 10, 2009
4398311 Folding sofa-bed mechanism Aug. 16, 1983
4378609 Sofa bed with mattress longitudinally compressed for storage and method Apr. 5, 1983
4205405 Convertible sofa-bed Jun. 3, 1980
4190911 Convertible couch Mar. 4, 1980
4123811 Convertible sofa bed and cover Nov. 7, 1978
4037872 Convertible seat-bed Jul. 26, 1977

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