Structure of chair-back

The present invention relates to a coupling structure of a coupling unit of a back chair, wherein a coupling unit is integrally installed outside a back chair installed in a backrest support installed in a chair, having a base, a lower support, and a movement support. Moreover, the coupling unit can...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YUN, SANG HYEON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BEDS BLASTING CHAIRS COFFEE MILLS DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING DOMESTIC ARTICLES OR APPLIANCES ENGINEERING ELEMENTS AND UNITS FURNITURE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES LIGHTING MECHANICAL ENGINEERING SOFAS SPICE MILLS SUCTION CLEANERS IN GENERAL THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to a coupling structure of a coupling unit of a back chair, wherein a coupling unit is integrally installed outside a back chair installed in a backrest support installed in a chair, having a base, a lower support, and a movement support. Moreover, the coupling unit can be fixed to the backrest support via a bolt so that the coupling unit can be installed in an existing back chair as an additional individual component. In addition, a complex working process that the coupling unit can be assembled in a coupling hole formed on the back chair and the bolt is fixed to the backrest support can be removed so that the back chair integrated with the coupling unit can be rapidly, easily, and stably coupled to the backrest support via the bolt. 본 발명은 좌대와, 하부지지대와, 이동지지대로 구성된 의자에 설치되는 등판지지대에 설치되는 의자등받이의 외측에 결합부가 일체로 돌설되게 형성되어 이 결합부를 등판지지대에 볼트로 고정설치되게 하여 기존의 의자등받이에 별개의 독립구성으로 결합부를 구성하여 의자등받이에 형성된 결합공에 결합부를 조립하고 등판지지대에 볼트로 고정하는 번거로운 작업공정을 없애도록하여 결합부가 일체로 형성된 의자등받이를 신속하고 간편하게 안정적으로 등판지지대에 볼트로 결합하도록한 의자용 의자등받이의 결합부 결합구조에 관한 것이다.