US 12,137,809 B2
Adjustable bed base with incline/decline feature
Jason J. Stokesbary, Joplin, MO (US); Jacob J. Neuenswander, Carthage, MO (US); Isaac T. Freelend, Sarcoxie, MO (US); and Galen B. Wilkinson, Carl Junction, MO (US)
Assigned to L&P Property Management Company, South Gate, CA (US)
Filed by L&P Property Management Company, South Gate, CA (US)
Filed on Jun. 22, 2022, as Appl. No. 17/846,162.
Application 17/846,162 is a continuation in part of application No. 17/744,885, filed on May 16, 2022, granted, now 11,930,933.
Prior Publication US 2023/0363544 A1, Nov. 16, 2023
Int. Cl. A47C 20/04 (2006.01); A47C 20/08 (2006.01)
CPC A47C 20/041 (2013.01) [A47C 20/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An adjustable bed base comprising:
a generally rectangular stationary frame having opposed side rails, a head rail, a foot rail, a middle rail and a ramp assembly, each of the side rails having a C-shaped cross-section defining a channel;
two front ramps and two rear ramps, each of the ramps being movable inside one of the channels of one of the side rails of the stationary frame;
a subframe moveable relative to the stationary frame, the subframe having opposed side members, a front member, a rear member and a cross member;
two front rotatable wheels, each of the front rotatable wheels being secured to a mounting bracket secured to the front member of the subframe, each of the front rotatable wheels being sized and adapted to move inside a groove of one of the front ramps;
two rear rotatable wheels, each of the rear rotatable wheels being secured to a rear mounting bracket secured to the rear member of the subframe, each of the rear rotatable wheels being sized and adapted to move inside a groove of one of the rear ramps;
a deck comprising a head deck board, a seat deck board, a leg deck board and a foot deck board hinged together, the seat deck board being secured to the subframe;
a head brace secured to the head deck board;
a leg brace secured to the leg deck board;
two front primary linear actuators for moving the front ramps, each of the front primary linear actuators having a first end pivotally secured to an anchor inside one of the side rails of the stationary frame and a second end pivotally secured to a mounting bracket secured to one of the front ramps;
two rear primary linear actuators for moving the rear ramps, each of the rear primary linear actuators having a first end pivotally secured to an anchor inside one of the side rails of the stationary frame and a second end pivotally secured to a mounting bracket secured to one of the rear ramps;
a front secondary linear actuator for inclining the head deck board, the front secondary linear actuator having a first end pivotally secured to a mounting bracket secured to the cross member of the subframe and a second end pivotally secured to the head brace;
a rear secondary linear actuator for inclining the leg and foot deck boards, the rear secondary linear actuator having a first end pivotally secured to a mounting bracket secured to the rear member of the subframe and a second end pivotally secured to the leg brace;
legs secured to the stationary frame for supporting the stationary frame.