JPS642997U - - Google Patents
Info
- Publication number
- JPS642997U JPS642997U JP9866987U JP9866987U JPS642997U JP S642997 U JPS642997 U JP S642997U JP 9866987 U JP9866987 U JP 9866987U JP 9866987 U JP9866987 U JP 9866987U JP S642997 U JPS642997 U JP S642997U
- Authority
- JP
- Japan
- Prior art keywords
- opening frame
- cover plate
- mounting bracket
- spring mounting
- bracket
- 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図はそのばね取付金
具部分の斜視図、第３図はそのばね取付金具部分
の横断面図、第４図は従来例の全体側面図、第５
図はそ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……ブラケツト、６……連結棒、
７……手摺、８……腕部、９……ばね取付金具、
１０……引つ張りばね。
Fig. 1 is a perspective view of an embodiment of this invention with the ladder member removed; Fig. 2 is a perspective view of the spring mounting bracket; Fig. 3 is a cross-sectional view of the spring mounting bracket; The figure is an overall side view of the conventional example.
The figure is a detailed view of the arm portion. 1...Opening, 2...Opening frame, 3...Lid plate, 4...
...Ladder member, 5...Bracket, 6...Connection rod,
7...Handrail, 8...Arm, 9...Spring mounting bracket,
10...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、前記開口枠の
他端部側に設けたばね取付金具と、このばね取付
金具と前記手摺の前記腕部の先端とに両端を支持
された引つ張りばねとを備え、 前記ばね取付金具を長さ調整自在なターンバツ
クルで構成した天井梯子装置。[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 the cover plate; a bracket fixed to either the side surface of the ladder member or the upper surface of the side end on the other end side of the cover plate; and one end attached to the bracket. a connecting rod whose portion is rotatably connected in the rotational direction of the lid plate, and one end portion of which is connected to the other end of the connecting rod so as to be rotatable in the rotational direction of the lid plate; a handrail having an arm portion connected to an inner wall on the other end side of the opening frame so as to be rotatable in the rotating direction of the cover plate; and a spring mounting bracket provided on the other end side of the opening frame. A ceiling ladder device comprising: a tension spring whose both ends are supported by the spring mounting bracket and the tip of the arm portion of the handrail, the spring mounting bracket comprising a turnbuckle whose length can be freely adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9866987U JPS642997U (en) | 1987-06-25 | 1987-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9866987U JPS642997U (en) | 1987-06-25 | 1987-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS642997U true JPS642997U (en) | 1989-01-10 |
Family
ID=31325146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9866987U Pending JPS642997U (en) | 1987-06-25 | 1987-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS642997U (en) |
-
1987
- 1987-06-25 JP JP9866987U patent/JPS642997U/ja active Pending