Backrest assembly
The utility model discloses a backrest assembly on a chair. The backrest assembly comprises a chair support, a backrest body, a fixed backrest plate, a first connecting piece, a second connecting piece and a bolt, wherein the first connecting piece is fixed on the fixed backrest plate which is provi...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model discloses a backrest assembly on a chair. The backrest assembly comprises a chair support, a backrest body, a fixed backrest plate, a first connecting piece, a second connecting piece and a bolt, wherein the first connecting piece is fixed on the fixed backrest plate which is provided with a rectangular hole and a plurality of fixing holes; the first connecting piece is providedwith a rectangular hole and a plurality of fixing holes; the second connecting piece is provided with a rectangular projection and a plurality of fixing holes, the rectangular projection is provided with a threaded hole, and the tail of the rectangular projection is provided with an S-shaped leaf spring; and after the rectangular projection on the second connecting piece passes through the rectangular hole on the fixed backrest plate, the bolt is screwed in the rectangular projection. The utility model has the following advantages: the first connecting piece and the second connecting piece connect the backrest body wi |
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