Chair and one-piece chair back thereof
OwnerTeng-Jen Yanginventor
Life of this patent
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Abstract
A chair with a chair back having a frame and a backrest. The backrest is connected to a bottom frame portion of the frame and two side frame portions at two opposite ends of the bottom frame portion by injection molding for a user to lean against. A hardness of the backrest is lower than a hardness of the frame, and the frame is provided with two supporting portions for correspondingly supporting two sides of the user's waist. Thereby, the components with different hardness are capable of forming the integrally formed chair back, and enabling the chair back to be both supportive and comfortable for leaning against.
Claims11
A one-piece chair back applicable for supporting an upper body of a user, the one-piece chair back comprising:
- a frame comprising a bottom frame portion, two side frame portions connected at two opposite ends of the bottom frame portion, and an accommodating space jointly formed by the bottom frame portion and the side frame portions;
- and
- a backrest disposed in the accommodating space and connected to the bottom frame portion and the side frame portions by injection molding, the backrest being provided for the upper body of the user to lean against, and a hardness of the backrest being lower than a hardness of the frame;
- wherein a first inner side of each of the side frame portions of the frame facing the backrest is provided with a supporting portion, extension directions of the supporting portions are opposite, the backrest is provided with a notch respectively on two opposite second inner sides facing the side frame portions, the notches correspond to the supporting portions.
Dependencies are inferred from the claim text.