JPH0299200U - - Google Patents
Info
- Publication number
- JPH0299200U JPH0299200U JP892389U JP892389U JPH0299200U JP H0299200 U JPH0299200 U JP H0299200U JP 892389 U JP892389 U JP 892389U JP 892389 U JP892389 U JP 892389U JP H0299200 U JPH0299200 U JP H0299200U
- Authority
- JP
- Japan
- Prior art keywords
- stopper
- ladder member
- hook
- ceiling
- side plate
- 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
Description
第1図はこの考案の一実施例の斜視図、第2図
はその要部の側面図、第3図は第2図の―断
面図である。
1…開口、3…蓋板、5…上段はしご部材、6
…ぜんまい式バランサ、7…一方のストツパ、8
…ストツパピン、10…下段はしご部材、12…
フツク、13…他方のストツパ。
FIG. 1 is a perspective view of an embodiment of this invention, FIG. 2 is a side view of its essential parts, and FIG. 3 is a sectional view taken along the line shown in FIG. 2. 1... Opening, 3... Lid plate, 5... Upper ladder member, 6
...Clockwork balancer, 7...One stopper, 8
...Stopper pin, 10...Lower ladder member, 12...
Futsuku, 13...the other stoppa.
Claims (1)
け、側板の側面下端に一方のストツパを設けた上
段はしご部材を前記蓋板の裏面側に固定し、側板
上端に前記一方のストツパに係止する他方のスト
ツパを設けた下段はしご部材を前記上段はしご部
材にスライド自在に設け、前記上段はしご部材と
下段はしご部材とをぜんまい式バランサで連結し
て形成した天井はしご装置において、前記他方の
ストツパの外面にストツパピンを突設するととも
に、前記一方のストツパの外面に前記ストツパピ
ンに係合する係合部が形成され前記側板の幅方向
に回動自在のフツクを設け、、前記他方のストツ
パを前記一方のストツパに係止した状態で前記フ
ツクの係合部を前記ストツパピンに係合させたこ
とを特徴とする天井はしご装置。 A lid plate that can be opened and closed downward is provided on one side of the opening in the ceiling, an upper ladder member having one stopper provided at the lower end of the side plate is fixed to the back side of the lid plate, and the one stopper is attached to the upper end of the side plate. In the ceiling ladder device, the lower ladder member provided with the other stopper to be locked is slidably provided on the upper ladder member, and the upper ladder member and the lower ladder member are connected by a clockwork balancer. A stopper pin is provided protrudingly on the outer surface of the stopper, and a hook is provided on the outer surface of the one stopper that has an engaging portion that engages with the stopper pin and is rotatable in the width direction of the side plate; A ceiling ladder device characterized in that an engaging portion of the hook is engaged with the stopper pin in a state where the hook is engaged with the one stopper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP892389U JPH0299200U (en) | 1989-01-26 | 1989-01-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP892389U JPH0299200U (en) | 1989-01-26 | 1989-01-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0299200U true JPH0299200U (en) | 1990-08-07 |
Family
ID=31215216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP892389U Pending JPH0299200U (en) | 1989-01-26 | 1989-01-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0299200U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5714320U (en) * | 1980-06-26 | 1982-01-25 |
-
1989
- 1989-01-26 JP JP892389U patent/JPH0299200U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5714320U (en) * | 1980-06-26 | 1982-01-25 |
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