JPS6446398U

JPS6446398U -

Info

Publication number: JPS6446398U
Application number: JP14218487U
Authority: JP
Priority date: 1987-09-16
Filing date: 1987-09-16
Publication date: 1989-03-22
Anticipated expiration: 2002-09-16
Also published as: JPH0536957Y2

Description

[Brief explanation of the drawing]

第１図は本案伸縮扉の一例を示す正面図、第２
図は第１図のＡ―Ａ線断面拡大図、第３図は同じ
くＢ―Ｂ線断面拡大図、第４図は同じくＣ―Ｃ線
断面拡大図、第５図はピン結合部の拡大正面図で
あり、図中１は斜架材、２は縦長部材、３はピン
軸、４は離隔ブツシユ、５は筒状突起、６は係止
縁、７は目隠しブツシユ、８は係止縁を表わす。 Figure 1 is a front view showing an example of the telescoping door of the present invention;
The figure is an enlarged cross-sectional view taken along line A-A in Figure 1, Figure 3 is an enlarged cross-sectional view taken along line B-B, Figure 4 is an enlarged cross-sectional view taken along line C-C, and Figure 5 is an enlarged front view of the pin joint. In the figure, 1 is a diagonal member, 2 is a longitudinal member, 3 is a pin shaft, 4 is a separation bushing, 5 is a cylindrical projection, 6 is a locking edge, 7 is a blind bushing, and 8 is a locking edge. represent.

Claims

[Claims for Utility Model Registration] (1) A plurality of diagonal members are arranged in a pantograph shape by tilting them at equal angles in opposite directions, and spacer bushes are interposed at the intersections of the front and rear diagonal members. In an extendable door pivotally connected by a pin shaft, the spacer bushes are arranged in a pair, and a cylindrical protrusion having a hollow portion communicating with the pin hole is integrally formed on the outer side of each spacer bush in the front-rear direction, The cylindrical protrusion is fitted into the shaft hole of the diagonal frame member with the end of the protrusion protruding from the front and rear outer surfaces of the diagonal frame member, and a locking edge is provided on the side of the separation bushing in the same direction as the cylindrical protrusion. A telescoping door characterized by being integrally formed and engaged with a side part of a diagonal frame member. (2) A blind bushing is fitted to the tip of the cylindrical projection, and the locking edge protruding front and rear inward from the side of the blind bushing is engaged with the side surface of the diagonal frame member, and the blind bushing and the separating bush are connected to each other. The telescoping door according to claim (1) of the utility model registration, which has both locking edges in contact with each other.