|
(11) | EP 1 300 102 A2 |
(12) | EUROPEAN PATENT APPLICATION |
|
|
|
|
|||||||||||||||||||||||
(54) | Chair with foldable back-rest |
(57) The chair comprises a back-rest, a seat and a device (10) for connecting the back-rest
to the seat. The connection device (10) comprises an articulated joint (16) which
enables the back-rest to be folded onto the seat. |
Figure 1 is a rear perspective view of the back-rest/seat connection device of an office chair, in its normal utilization position;
Figure 2 is a front perspective view thereof;
Figure 3 is an elevation of the rear part of the articulated joint of the connection device;
Figure 4 is an elevation of the front part of this articulated joint;
Figure 5 is a cross-section therethrough taken on the line 5-5 of Figure 4;
Figure 6 is similar to Figure 5 but with the difference that the articulated joint is shown in the condition in which the back-rest has been folded down onto the seat;
Figure 7 is a cross-section therethrough taken on the line 7-7 of Figure 4;
Figure 8 is similar to Figure 7 but with the articulated joint shown in the condition in which the back-rest has been folded down onto the seat;
Figure 9 is an elevation of the upper front part of the articulated joint, seen from the front;
Figure 10 is an elevation thereof from behind;
Figure 11 is a cross-section therethrough taken on the line 11-11 of Figure 10;
Figure 12 is a cross-section therethrough taken on the line 12-12 of Figure 10;
Figure 13 is a cross-section therethrough taken on the line 13-13 of Figure 10;
Figure 14 is a horizontal cross-section therethrough taken on the line 14-14 of Figure 10;
Figure 15 is an elevation of the upper rear part of the articulated joint, seen from behind;
Figure 16 is an elevation thereof seen from the front;
Figure 17 is a vertical cross-section therethrough taken on the line 17-17 of Figure 16;
Figure 18 is a cross-section therethrough taken on the line 18-18 of Figure 16;
Figure 19 is a cross-section therethrough taken on the line 19-19 of Figure 16;
Figure 20 is a plan view thereof from above;
Figure 21 is an elevation of the lower rear part of the articulated joint, seen from behind;
Figure 22 is an elevation thereof seen from the front;
Figure 23 is a vertical cross-section therethrough taken on the line 23-23 of Figure 22;
Figure 24 is a vertical cross-section therethrough taken on the line 24-24 of Figure 22;
Figure 25 is a vertical cross-section therethrough taken on the line 25-25 of Figure 22;
Figure 26 is a plan view thereof from above;
Figure 27 is an elevation of the lower front part of the articulated joint, seen from the front;
Figure 28 is an elevation thereof seen from behind;
Figure 29 is a vertical cross-section therethrough taken on the line 29-29 of Figure 27;
Figure 30 is a vertical cross-section therethrough taken on the line 30-30 of Figure 27;
Figure 31 is a vertical cross-section therethrough taken on the line 31-31 of Figure 27;
Figure 32 is a plan view thereof from above;
Figure 33 is an elevation of the articulated joint pin;
Figure 34 is a plan view thereof from below;
Figure 35 is a plan view thereof from above;
Figure 36 is a cross-section therethrough taken on the line 36-36 of Figure 33;
Figure 37 is a cross-section therethrough taken on the line 37-37 of Figure 33.