公开(公告)号：US20190039411A1

公开(公告)日：2019-02-07

申请号：US15668120

申请日：2017-08-03

申请人： SPEC SEATS TECHNOLOGIES INC.

发明人： Mei Chuen LIN

IPC分类号： B60B33/00 ,  A47C4/14 ,  A47C4/24

摘要： A foldable chair includes a chair body having two front legs, two rear legs connected pivotally to the two front legs; a seat disposed on the chair body; a backrest disposed on the chair body so as to be located above the seat; four leg support elements attached respectively to bottom ends of the two front legs and the two rear legs; four casters attached respectively to bottom sides of the leg support elements; two reinforcing plates attached respectively to inner sides of the two front legs and spaced at a predetermined distance from the leg support elements; and two strengthening rigs attached respectively to the two front legs and extending into the front and rear legs to an extent beyond bottom ends so as to be located between the reinforcing plates and the leg support elements, thereby strengthening the front and rear legs.

公开(公告)号：US20190321924A1

公开(公告)日：2019-10-24

申请号：US15957430

申请日：2018-04-19

申请人： SPEC SEATS TECHNOLOGIES INC.

发明人： Mei Chuen LIN

IPC分类号： B23K37/04 ,  B25B11/02

摘要： A clamp fixture for assembling a foldable chair includes: a chair frame unit and a backrest which is fixed on the chair frame unit by a backrest positioning unit and welded via manual labor and/or computer controlled robot; a transverse rod is later welded on the chair frame unit by a seat-rod positioning unit and simultaneously a rear leg frame is retained in a fixed position by a seat-leg positioning unit via welding and the rear leg frame is attached to the chair frame unit in order to shorten the welding time and reducing the error due to unstable position of the chair frame unit during the welding process.

公开(公告)号：US20180226004A1

公开(公告)日：2018-08-09

申请号：US15425725

申请日：2017-02-06

申请人： SPEC SEATS TECHNOLOGIES INC.

发明人： Mei Chuen LIN

IPC分类号： G09F23/00 ,  A47C4/20 ,  A47C7/40 ,  A47C7/72 ,  G09F13/06 ,  G09F13/22 ,  F21V8/00 ,  F21V23/02 ,  F21V3/00 ,  F21V23/00

CPC分类号： G09F23/00 ,  A47C1/13 ,  F21S4/24 ,  F21V3/00 ,  F21V23/005 ,  F21V23/02 ,  F21Y2103/10 ,  F21Y2115/10 ,  G02B6/0055 ,  G02B6/006 ,  G09F13/06 ,  G09F13/22 ,  G09F2013/222 ,  G09F2023/005

摘要： An edge side display device for a chair includes a retention channel of a dovetail shape in cross section; and a plastic strip for embedding within the retention channel. The chair includes a chair body having a peripheral edge side formed with the retention channel. After being embedded, the plastic strip has an upper side surface exposed from the retention channel and having a pattern such that the pattern is visible from the exterior of the retention channel. The pattern consists of word information, like a seat or a row number that is visible under a natural lighting environment to facilitate finding a designated chair.