JPS642999U - - Google Patents
Info
- Publication number
- JPS642999U JPS642999U JP9867187U JP9867187U JPS642999U JP S642999 U JPS642999 U JP S642999U JP 9867187 U JP9867187 U JP 9867187U JP 9867187 U JP9867187 U JP 9867187U JP S642999 U JPS642999 U JP S642999U
- Authority
- JP
- Japan
- Prior art keywords
- bracket
- opening frame
- rotational direction
- cover plate
- handrail
- 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梯子部材を取り
除いた破れ全体斜視図、第２図はそのストツパ部
分の一使用例を示す詳細側面図、第３図はそのス
トツパ部分の他の使用例を示す詳細側面図、第４
図は従来例の全体側面図、第５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、５……第１のブラケツト、６……連
結棒、７……手摺、８……腕部、９……引つ張り
ばね、１０……第２のブラケツト、１１……スト
ツパ。
Figure 1 is a perspective view of an embodiment of this invention with the ladder member removed, Figure 2 is a detailed side view showing one example of how the stopper part is used, and Figure 3 is another example of how the stopper part is used. Detailed side view showing the 4th
The figure is an overall side view of the conventional example, and FIG. 5 is a detailed view of the arm portion of the handrail. 1...Opening, 2...Opening frame, 3...Lid plate, 4...
... Ladder member, 5... First bracket, 6... Connecting rod, 7... Handrail, 8... Arm, 9... Tension spring, 10... Second bracket, 11... Stopper.
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
に設けられた伸縮自在な梯子部材と、この梯子部
材の側面および前記蓋板の他端部側の側端部上面
のうちのいずれか一方に固着された第１のブラケ
ツトと、この第１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を一端部に設けた第２の
ブラケツトに前記蓋板の前記回動方向に回動自在
に連結し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、 前記連結棒の他端部の回動方向側端面と当接す
る端面を選択自在な多角形からなるストツパを前
記手摺の前記第２のブラケツトに取り付けた天井
梯子装置。[Scope of Claim for Utility Model Registration] An opening frame provided in an opening in the ceiling, a cover plate that is attached to the lower part of one end of this opening frame so that one end thereof can be rotated toward the indoor side and closes the opening frame, and this a retractable ladder member provided on a cover plate; a first bracket fixed to either a side surface of the ladder member or an upper surface of a side end on the other end side of the cover plate; A connecting rod has one end connected to a first bracket so as to be rotatable in the rotational direction of the lid plate, and a second bracket, which has the other end of the connecting rod at one end, connects the lid plate to a second bracket. a handrail that is rotatably connected in the rotational direction and has an arm portion connected at the other end to an inner wall on the other end side of the opening frame so as to be rotatable in the rotational direction of the cover plate; a tension spring supported at both ends by the tip of the arm of the handrail and the other end of the opening frame, and select an end surface that comes into contact with an end surface on the rotational direction side of the other end of the connecting rod. A ceiling ladder device in which a stopper made of a flexible polygon is attached to the second bracket of the handrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9867187U JPS642999U (en) | 1987-06-25 | 1987-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9867187U JPS642999U (en) | 1987-06-25 | 1987-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS642999U true JPS642999U (en) | 1989-01-10 |
Family
ID=31325150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9867187U Pending JPS642999U (en) | 1987-06-25 | 1987-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS642999U (en) |
-
1987
- 1987-06-25 JP JP9867187U patent/JPS642999U/ja active Pending