US Patent 8375488 Adjustable bed frame

An adjustable bed frame assembly includes a center frame comprising two substantially parallel side frame members connected by two substantially parallel connector frame members. The adjustable bed frame assembly also includes a base frame that includes a plurality of legs for mounting on a floor is rigidly affixed to the center frame. The adjustable bed frame assembly further includes a head frame that comprises two substantially parallel side frame members connected by at least one connector frame member. The adjustable bed frame assembly also includes an actuator for raising and lowering the head frame.