Sofa bed
AssigneeWinnebago Industries, Inc.
InventorsRobert Ritter, Robin Adams
Life of this patent
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Abstract
A sofa bed is configured to be switched between a sofa configuration and a bed configuration. The sofa bed includes a base frame, a middle frame rotatably coupled to the base frame, a seat-and-foot frame rotatably coupled to the middle frame, a back-and-head frame rotatably coupled to the base frame, and a spring coupled between at least two of the base frame, the middle frame, the seat-and-back frame, and the back-and-head frame.
Claims20
A sofa bed configured to be switched between a sofa configuration and a bed configuration, the sofa bed comprising:
- a base frame;
- a middle frame rotatably coupled to the base frame;
- a seat-and-foot frame rotatably coupled to the middle frame;
- a back-and-head frame rotatably coupled to the base frame;
- and
- a spring coupled between at least two of the base frame, the middle frame, the seat-and-back frame, and the back-and-head frame.
A sofa bed configured to be switched between a sofa configuration and a bed configuration, the sofa bed comprising:
- a base frame;
- a middle frame coupled to the base frame and configured to be rotated between a first position in the sofa configuration and a second position in the bed configuration;
- a seat-and-foot frame rotatably coupled to the middle frame;
- a back-and-head frame rotatably coupled to the base frame;
- and
- a spring coupled between the middle frame and the base frame and configured to urge the middle frame to switch between the sofa configuration and the bed configuration.
A sofa bed configured to be positioned between a sofa configuration and a bed configuration, the sofa bed comprising:
- a base frame;
- means for rotatably coupling a middle frame to the base frame;
- means for rotatably coupling a seat-and-foot frame rotatably coupled to the middle frame;
- means for rotatably coupling a back-and-head frame rotatably coupled to the base frame;
- and
- means for applying a force to the middle frame to assist with rotating the middle frame between respective positions in the sofa configuration and the bed configuration.
Dependencies are inferred from the claim text.