JPH0247400U - - Google Patents
Info
- Publication number
- JPH0247400U JPH0247400U JP12780788U JP12780788U JPH0247400U JP H0247400 U JPH0247400 U JP H0247400U JP 12780788 U JP12780788 U JP 12780788U JP 12780788 U JP12780788 U JP 12780788U JP H0247400 U JPH0247400 U JP H0247400U
- Authority
- JP
- Japan
- Prior art keywords
- connectors
- frame
- frame body
- rotating member
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Ladders (AREA)
Description
第１図はこの考案の一実施例の部分斜視図、第
２図はその連結具の斜視図、第３図は第１図の分
解斜視図、第４図はこの考案の連結部構造を適用
した天井はしご装置の側面図である。
１……枠体、２……回動部材、３……連結具、
３ｄ……ばね係止部、４……ばね。
Figure 1 is a partial perspective view of an embodiment of this invention, Figure 2 is a perspective view of its connector, Figure 3 is an exploded perspective view of Figure 1, and Figure 4 is an application of the connector structure of this invention. FIG. 2 is a side view of the ceiling ladder device. 1... Frame body, 2... Rotating member, 3... Connector,
3d... Spring locking portion, 4... Spring.
Claims (1)
内面側に水平断面溝形の連結具を一対固定し、こ
れら連結具の前記枠体から遠い側のフランジに被
連結具を介して回動部材を連結し、上端が前記枠
体の前記連結具側に回動自在に連結された蓋板の
下部と前記回動部材の下部とを連結するリンクに
一端を係止したばねの他端を前記枠体に連結する
ことにより前記回動部材を前記枠体に回動自在に
連結した連結部構造において、前記連結具の前記
枠体に近い側のフランジにばね係止部を形成し、
このばね係止部に前記ばねの他端を係止したこと
を特徴とする連結部構造。 A frame body is fixed to an opening provided in the ceiling, a pair of connectors each having a groove-shaped horizontal cross section are fixed to the inner surface of this frame body, and a pair of connectors having a groove-shaped horizontal cross section is fixed to the flanges of these connectors on the side far from the frame body through the connectors. A spring that connects the rotating member and has one end locked to a link connecting the lower part of the rotating member and the lower part of the cover plate whose upper end is rotatably connected to the connector side of the frame body. In the connecting part structure in which the rotating member is rotatably connected to the frame by connecting an end to the frame, a spring locking part is formed on a flange of the connecting tool on a side closer to the frame. ,
A connecting portion structure characterized in that the other end of the spring is locked to this spring locking portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12780788U JPH0247400U (en) | 1988-09-27 | 1988-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12780788U JPH0247400U (en) | 1988-09-27 | 1988-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247400U true JPH0247400U (en) | 1990-03-30 |
Family
ID=31380567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12780788U Pending JPH0247400U (en) | 1988-09-27 | 1988-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247400U (en) |
-
1988
- 1988-09-27 JP JP12780788U patent/JPH0247400U/ja active Pending