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公开(公告)号：US10292499B1
公开(公告)日：2019-05-21
申请号：US15812100
申请日：2017-11-14
申请人： Huang Chang Liu
发明人： Huang Chang Liu
IPC分类号： A47C7/44
摘要： A chair structure contains: a seat, a back plate one-piece formed with the seat, and an upright frame locked on a bottom of the seat. The back plate includes a convex face formed on a front end thereof, multiple slots separately defined in the back plate, and multiple flexible sheets arranged on a rear end of the back plate. The multiple flexible sheets have different thicknesses individually, wherein a thickness of a central one of the multiple flexible sheets adjacent to the back plate is less than another flexible sheets proximate to the central flexible sheet, and the other flexible sheets close to two sides of the back plate are thicker than said another flexible sheets. Furthermore, the multiple slots accommodate a plurality of reinforcement ribs respectively.
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公开(公告)号：US08113582B2
公开(公告)日：2012-02-14
申请号：US12488517
申请日：2009-06-20
申请人： Huang Chang Liu
发明人： Huang Chang Liu
IPC分类号： A47C7/02
摘要： A cushion for a chair includes a cushion body (20) having a mediate position provided with a convex waist support portion (21), an upper end provided with an inclined backrest support portion (22) and a lower end provided with a concave resting portion (24). Thus, the backrest support portion and the waist support portion of the cushion body are designed to fit the user's back and waist ergonomically so that the cushion body can support the user's back and waist smoothly and exactly. In addition, the upper buffering space (202) and the lower buffering space (201) of the cushion body provide a buffering effect to allow deformation of the cushion body so as to regulate the user's seating posture and to provide a comfortable sensation to the user.
摘要翻译： 一种用于椅子的坐垫包括具有设置有凸腰支撑部分（21）的中间位置的缓冲体（20），设置有倾斜靠背支撑部分（22）的上端，以及设置有凹形搁置部分 （24）。 因此，靠垫体的靠背支撑部和腰部支撑部被设计成符合人体工程学的使用者的背部和腰部，使得坐垫体能平滑且准确地支撑使用者的背部和腰部。 此外，缓冲体的上缓冲空间（202）和下缓冲空间（201）提供缓冲效果，以允许缓冲体的变形，从而调节使用者的座位姿态并为使用者提供舒适的感觉 。
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公开(公告)号：US07063384B2
公开(公告)日：2006-06-20
申请号：US10753749
申请日：2004-01-09
申请人： Huang Chang Liu
发明人： Huang Chang Liu
IPC分类号： A47C3/025
摘要： A flexible chair back provides a preferred elastic effect than conventional plastic chair backs, which comprises a back supporting board having a flexible member integrally extended from the back supporting board, a rear board and a spring sandwiched by the back supporting board and the rear board. The spring enhances the elasticity of the flexible member, so that the flexible member pushes a seated person's back quite adaptively, and therefore a person can sit against the chair back with comfort for a long period of time.
摘要翻译： 柔性椅背提供比常规塑料椅背更优选的弹性效果，其包括背背支撑板，后支撑板具有从背支撑板一体延伸的柔性构件，后板和夹在后支撑板和后板之间的弹簧。 弹簧增强了柔性构件的弹性，使得柔性构件相当自适应地推动座位的背部，因此，人可以舒适地坐在椅子上长时间。
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