JPS642998U - - Google Patents
Info
- Publication number
- JPS642998U JPS642998U JP9867087U JP9867087U JPS642998U JP S642998 U JPS642998 U JP S642998U JP 9867087 U JP9867087 U JP 9867087U JP 9867087 U JP9867087 U JP 9867087U JP S642998 U JPS642998 U JP S642998U
- Authority
- JP
- Japan
- Prior art keywords
- opening frame
- lid plate
- rotatably connected
- attached
- rotational direction
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Ladders (AREA)
Description
第１図はこの考案の一実施例の全体側面図、第
２図はそのブラケツト部分の横断面図、第３図は
従来例の全体側面図、第４図はその手摺の腕部部
分の詳細図である。
１……開口、２……開口枠、３……蓋板、４…
…梯子部材、４ａ……固定部、４ｂ……伸縮部、
５……ブラケツト、６……連結棒、７……手摺、
８……腕部、９……引つ張りばね。
Figure 1 is an overall side view of an embodiment of this invention, Figure 2 is a cross-sectional view of its bracket, Figure 3 is an overall side view of a conventional example, and Figure 4 is a detail of the arm portion of the handrail. It is a diagram. 1...Opening, 2...Opening frame, 3...Lid plate, 4...
...Ladder member, 4a...Fixed part, 4b...Extensible part,
5... Bracket, 6... Connecting rod, 7... Handrail,
8...Arm part, 9...Tension spring.
Claims (1)
の一端部下部に一端部を室内側へ回動自在に取り
付けられて前記開口枠を塞ぐ蓋板と、この蓋板上
に設けられた固定部と伸縮部からなる梯子部材と
、この梯子部材の前記固定部の側面に前記梯子部
材の前記固定部の長手方向に移動調整可能に取り
付けられたブラケツトと、このブラケツトに一端
部を前記蓋板の前記回動方向に回動自在に連結さ
れた連結棒と、この連結棒の他端部に一端部を前
記蓋板の前記回動方向に回動自在に連結されかつ
他端部に前記開口枠の他端部側内側壁に前記蓋板
の前記回動方向に回動自在に連結した腕部を有す
る手摺と、この手摺の前記腕部の先端と前記開口
枠の他端部側とに両端を支持された引つ張りばね
とを備えたた天井梯子装置。 An opening frame provided in an opening in the ceiling, a lid plate that is attached to the lower part of one end of the opening frame so that one end thereof can be rotated toward the indoor side and closes the opening frame, and a fixing plate provided on the lid plate. a bracket that is attached to a side surface of the fixed part of the ladder member so as to be movable and adjustable in the longitudinal direction of the fixed part of the ladder member; and one end of the bracket is attached to the lid plate. a connecting rod rotatably connected in the rotational direction of the cover plate; one end of the connecting rod is rotatably connected in the rotational direction of the lid plate; A handrail having an arm rotatably connected to the inner wall of the other end of the frame in the rotational direction of the cover plate, and a tip of the arm of the handrail and the other end of the opening frame. Ceiling ladder device with a tension spring supported at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9867087U JPS642998U (en) | 1987-06-25 | 1987-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9867087U JPS642998U (en) | 1987-06-25 | 1987-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS642998U true JPS642998U (en) | 1989-01-10 |
Family
ID=31325148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9867087U Pending JPS642998U (en) | 1987-06-25 | 1987-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS642998U (en) |
-
1987
- 1987-06-25 JP JP9867087U patent/JPS642998U/ja active Pending