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Class Information
Number: 5/47
Name: Beds > Sofa bed > Sliding and pivoting back
Description: Devices so mounted for conversion to beds that the lower part moves forward as the upper part moves downward. The seat frequently advances horizontally to form, together with the back, a bed bottom.










Sub-classes under this class:

Class Number Class Name Patents
5/48 Increasing seat 14


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8601618 Adjustable bed with sliding subframe for torso subsection Dec. 10, 2013
8468621 Adjustable furniture product with automatically-inflating mattress Jun. 25, 2013
8464370 Convertible furniture item Jun. 18, 2013
8321971 Sleeper sofa Dec. 4, 2012
8296877 Futon with nesting platform members Oct. 30, 2012
8225439 Sleeper sofa Jul. 24, 2012
8186744 Recreational vehicle with a convertible bed May. 29, 2012
7975171 Automated file recovery based on subsystem error detection results Jul. 5, 2011
7945974 Sleeper sofa May. 24, 2011
7861333 Frames for futon sofa beds and methods of securing slats therein Jan. 4, 2011
7607180 Convertible seating furniture Oct. 27, 2009
7591028 Automatic futon frame Sep. 22, 2009
7540042 Sitting and sleeping furniture Jun. 2, 2009
7488300 Bicentric hinge for use in a brace Feb. 10, 2009
7444692 Multi-angle hook and L-shaped hinge Nov. 4, 2008
7039967 Convertible furniture frame May. 9, 2006
6918143 Seat which converts into a bed Jul. 19, 2005
6904628 Convertible sofa-bed Jun. 14, 2005
6807693 Multi-angle hook Oct. 26, 2004
6785919 Futon sofa bed Sep. 7, 2004
6782569 Futon sofa bed Aug. 31, 2004
6742200 Bed sofa Jun. 1, 2004
6738997 Mechanism for a divan bed May. 25, 2004
6725473 Multi-angle hook and L-shaped hinge Apr. 27, 2004
6668395 Roll-in futon bed Dec. 30, 2003
6651274 Multi-purpose seat/bed having automatic lock/unlock capability Nov. 25, 2003
6357062 Frame convertible into couch or bed Mar. 19, 2002
6341392 Sofa bed Jan. 29, 2002
6298504 Lockable two frame convertible sofa bed Oct. 9, 2001
6138299 Automatic futon frame Oct. 31, 2000
6108833 Bi-fold futon frame including force spreading mortise plates Aug. 29, 2000
6061848 Automatic futon frame May. 16, 2000
5960491 Futon couch/bed frame Oct. 5, 1999
5956785 Lockable two frame convertible sofa bed Sep. 28, 1999
5940907 Futon frame Aug. 24, 1999
5815858 Slot and post front operating futon Oct. 6, 1998
5790993 Automatic futon frame Aug. 11, 1998
5682629 Divan-bed which can be converted via operating means of the continuous-balancing type and with variation of the height of the seat Nov. 4, 1997
5664268 Futon frame Sep. 9, 1997
5528778 Seat-bed assembly Jun. 25, 1996
5519902 Convertible furniture frame with self-positioning and locking legs May. 28, 1996
5513398 Futon tilt mechanism May. 7, 1996
5509151 Lockable two frame convertible sofa bed Apr. 23, 1996
5394573 Upholstered sofa bed Mar. 7, 1995
5327591 Three frame convertible futon sofa bed Jul. 12, 1994
5303432 Convertible futon frame Apr. 19, 1994
5271109 Convertible sofa-bed Dec. 21, 1993
5195194 Seat-bed extender Mar. 23, 1993
5187820 Convertible seat-bed Feb. 23, 1993
5153951 Recliner frame convertible to sofa bed with locking connection between seat frame and back frame Oct. 13, 1992

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