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Class Information
Number: 5/29
Name: Beds > Sofa bed > Unfolding seat > Leg supported
Description: Devices in which the unfolded section is supported by a leg.










Patents under this class:

Patent Number Title Of Patent Date Issued
7900999 Convertible seat with air mattress Mar. 8, 2011
6035464 Folding sofa bed frame structure with two-position TV headrest Mar. 14, 2000
5815857 Sofa-bed Oct. 6, 1998
5745935 Sinuous wire seat section sofa sleeper May. 5, 1998
5539940 Foldable sofa bed with collapsible sinuous springs Jul. 30, 1996
5528777 Sofa sleeper deck with transverse slats Jun. 25, 1996
5305479 Sofa sleeper having sinuous spring reinforced shoulder area Apr. 26, 1994
5257424 Foldable bed Nov. 2, 1993
5138727 Folding sofa bed frame structure with anti-topple linkage and movable mattress support bar Aug. 18, 1992
5107553 Combination sofabed-double bed with pivotable backrest Apr. 28, 1992
5097544 Convertible sofa bed Mar. 24, 1992
4985945 Double-lock sofa sleeper mechanism Jan. 22, 1991
4928331 Adjustable seat pitch sofa sleeper mechanism May. 29, 1990
4918770 Sofa bed with closing and opening assist Apr. 24, 1990
4905328 Sofa-bed assembly Mar. 6, 1990
4850065 Sofa bed mechanism with safety lock out feature Jul. 25, 1989
4800598 Anti-tilt sofa sleeper mechanism Jan. 31, 1989
4780918 Sofa bed with friction stop Nov. 1, 1988
4631764 Console bed Dec. 30, 1986
4597115 Low seating level sofa-bed mechanism Jul. 1, 1986
4592102 Mechanism for a sofa sleeper Jun. 3, 1986
4590630 Tri-fold mechanism May. 27, 1986
4571755 Frame support for sofa-sleeper Feb. 25, 1986
4513460 Sofa sleeper seat support system Apr. 30, 1985
4504987 Mattress support mechanism for folding sofa-bed Mar. 19, 1985
4494258 Sofa bed mechanism Jan. 22, 1985
4439878 Sofa sleeper with seat adjustment mechanism Apr. 3, 1984
4399571 Folding bed frame structure for sofa beds or the like Aug. 23, 1983
4398312 Sofa bed overdeck assembly Aug. 16, 1983
4381570 Sofa-bed May. 3, 1983
4301559 Sofa bed mechanism Nov. 24, 1981
4253205 Sofa-sleeper Mar. 3, 1981
4227268 Convertible furniture Oct. 14, 1980
4204287 Knock-down sofa bed with hinged mattress May. 27, 1980
4200941 Pull-out sofa bed and hardware therefor May. 6, 1980
4104745 Sofa bed with TV headrest Aug. 8, 1978
4086671 Convertible sofa bed May. 2, 1978
4080672 Sofa bed folding fixture Mar. 28, 1978
4045829 Sofa bed assembly Sep. 6, 1977
4035852 Pull out sofa bed Jul. 19, 1977
4032999 Sofa bed Jul. 5, 1977
4031577 Convertible sofa bed Jun. 28, 1977
4016611 Sofa bed and mechanism therefor Apr. 12, 1977
3984883 Pull out sofa bed and hardware therefor Oct. 12, 1976
3975783 Sofa bed Aug. 24, 1976
3965499 Convertible sofa Jun. 29, 1976











 
 
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