Backrest device
OwnerPo Hsuan Yanginventor
Life of this patent
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Abstract
A backrest device comprises at least one backrest and at least one connecting unit having two springs, two jointing members and a connecting member. Each spring comprises a first end and a second end. Each jointing member is provided with at least one first engaging block for engaging with the first end of the spring. The connecting member is provided with at least one second engaging block for engaging with the second end of the spring and is fixed to a chair stably. When the user sits in the chair with his back leaning against the backrest, since the springs are flexible, which can enable the backrest to be freely adjusted and moved in response to the movement of the back of the user, producing a buffering effect and providing a comfortable support to the back of the user, so the user will feel comfortable.
Claims6
A backrest device, comprising:
- at least one backrest;
- and
- at least one connecting unit having two springs, two jointing members and a connecting member, each spring being provided with a first end and a second end arranged in a reverse direction to the first end, the jointing members being fixed to the backrest and the first ends of the springs, respectively, the connecting member being provided with two connecting portions for fixing to the second ends of the springs, respectively.
Dependencies are inferred from the claim text.