公开(公告)号：US20180116410A1

公开(公告)日：2018-05-03

申请号：US15789626

申请日：2017-10-20

Applicant: Winnebago Industries Inc.

Inventor： Robert Ritter ,  Robin Adams

IPC: A47C17/213 ,  A47C17/165 ,  A47C17/207

CPC classification number: A47C17/213 ,  A47C17/165 ,  A47C17/2076

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.

公开(公告)号：US11116321B2

公开(公告)日：2021-09-14

申请号：US15789626

申请日：2017-10-20

Applicant: Winnebago Industries Inc.

Inventor： Robert Ritter ,  Robin Adams

IPC: A47C17/213 ,  A47C17/207 ,  A47C17/165

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.