A backrest includes a frame having a pair of laterally spaced upright members connected with longitudinally spaced upper and lower members. The flexible housing has opposing sides coupled to the upright member and upper and lower portions coupled to the upper and lower members. The housing includes: a first slot and a second slot extending longitudinally along opposite sides of the housing inside where the housing is connected to the upright member; and one or more third slots extending laterally along a lower portion of the housing above a location where the housing is connected to the lower member. The ends of the one or more third slots are spaced apart from the lower ends of the first and second slots. In other embodiments, the housing is a three-dimensional molded part having a plurality of openings. In various embodiments, the slots and/or openings provide different levels of compliance to the backrest.
一种靠背,包括框架,该框架具有一对横向间隔开的直立构件,该直立构件与纵向间隔开的上部构件和下部构件连接。柔性壳体具有耦接到直立构件的相对侧部以及耦接到上部构件和下部构件的上部和下部。壳体包括:第一狭槽和第二狭槽,第一狭槽和第二狭槽在壳体连接到直立构件的位置内侧沿着壳体的相对侧部纵向延伸;以及一个或更多个第三狭槽,第三狭槽在壳体连接到下部构件的位置上方沿着壳体的下部横向延伸。一个或更多个第三狭槽的末端与第一狭槽和第二狭槽的下部末端间隔开。在其它实施例中,壳体是具有多个开口的三维模制部件。在各种实施例中,狭槽和/或开口为靠背提供不同水平的顺应性。
Compliant backrest
顺应性靠背
12.04.2024
Patent
Elektronische Ressource
Chinesisch