NO176864B

NO176864B - Chair fittings for spring-mounted tilt fittings between a chair's seat and swivel column

Info

Publication number: NO176864B
Application number: NO911899A
Authority: NO
Inventors: Tore Lie
Original assignee: Ring Mekanikk As
Priority date: 1991-05-15
Filing date: 1991-05-15
Publication date: 1995-03-06
Also published as: KR100210132B1; JPH06511398A; CA2103041A1; DE69223962T2; WO1992020264A1; CA2103041C; AU1698092A; NO911899D0; EP0588811B1; NO176864C; NO911899L; DE69223962D1; EP0588811A1

Description

Oppfinnelsen angår et stolbeslag for fjærpåvirket vippebevegelse mellom en stols sete og dreiesøyle, ifølge kravinnledningen. The invention relates to a chair fitting for spring-actuated rocking movement between a chair's seat and pivot column, according to the preamble.

De i mange år fremstilte, med torsjonsfjærer påvirkede, vippebeslag eller stolbeslag, især for kontorstoler og liknende, har vist sin berettigelse ved små dimensjoner, enkel innstillbar-het og god pålitelighet. Dette er oppnådd delvis med en rettlinjet torsjonsfjær, vanligvis opplagret i begge ender og med omkring torsjonsfjæren og i hverandre anordnede rør med ulik diameter. For many years, tilting fittings or chair fittings, especially for office chairs and the like, which have been produced with torsion springs, have proven their worth with their small dimensions, easy adjustability and good reliability. This has been achieved in part with a rectilinear torsion spring, usually supported at both ends and with tubes of different diameters arranged around the torsion spring and in each other.

Med foreliggende oppfinnelse er det funnet at denne konstruksjon kan forenkles vesentlig og især oppnå de samme fordeler ved bruk av to rør med samme diameter, som beskrevet med de i kravet anførte trekk. With the present invention, it has been found that this construction can be significantly simplified and in particular achieve the same advantages by using two pipes of the same diameter, as described with the features stated in the claim.

På tegningen viser figur 1 skjematisk stolbeslaget ifølge foreliggende oppfinnelse i grunnriss, figur 2 viser et frontriss, figur 3 viser et grunnriss og figur 4 viser et sideriss av stolbeslaget ifølge oppfinnelsen. In the drawing, Figure 1 schematically shows the chair fitting according to the present invention in a ground plan, Figure 2 shows a front view, Figure 3 shows a ground plan and Figure 4 shows a side view of the chair fitting according to the invention.

En torsjonsfjær 1 med kvadratisk tverrsnitt er innlagt og i begge ender festet til hhv et første rør 5 og et andre rør 6. Det andre rør 6 er forbundet med en stopparm 7 som ligger an mot et setebeslag 2 og med en hensiktsmessig hendel kan torsjons-fjærens fjærpåvirkning mellom beslaget 2 og armen 7 innstilles. Det andre rør 5 er direkte forbundet med en ramme 3 som er montert på stolens søyle 4. Setebeslaget 2 er opplagret dreibart omkring det andre rør 5. A torsion spring 1 with a square cross-section is inserted and attached at both ends to a first pipe 5 and a second pipe 6, respectively. The second pipe 6 is connected to a stop arm 7 which rests against a seat fitting 2 and with a suitable lever the torsion the spring action of the spring between the bracket 2 and the arm 7 is adjusted. The second tube 5 is directly connected to a frame 3 which is mounted on the chair's column 4. The seat fitting 2 is rotatably stored around the second tube 5.

Kraftveien vil i henhold til de foran beskrevne enkeltheter gå fra setebeslaget 2, via armen 7 og til røret 6, herfra videre gjennom torsjonsfjæren 1 til det andre rør 5 og videre til stolens fundament via rammen 3, slik det især er vist på figur 1. According to the details described above, the force path will go from the seat bracket 2, via the arm 7 and to the tube 6, from here on through the torsion spring 1 to the second tube 5 and on to the chair's foundation via the frame 3, as shown in particular in figure 1.

Claims

Chair fitting for spring-actuated tilting movement between a chair's seat and swivel column, connected to the seat fitting (2) and frame (3) of the chair fitting respectively, where a rectilinear torsion spring (1), preferably with a square cross-section, is firmly connected at each end with a tube (5, 6) which encloses the spring (1) and where the first end of a stop arm (7) with bias rests against the seat fitting of the chair via an adjustable bolt, CHARACTERIZED IN THAT the first tube (5) extends from one end of the spring (1) at least past the middle area of the spring (1) where it is firmly connected to a frame (3) which in turn is connected to the chair's pivot column (4), that the second tube (6) extends from the other end of the spring (1) to close to the first tube (5) and here it is connected to the other end of a stop arm (7), that the first (5) and second (6) tubes have essentially the same diameter and that the seat fitting (2) is rotatably stored around the first tube (5).