JPH029700U - - Google Patents
Info
- Publication number
- JPH029700U JPH029700U JP8632088U JP8632088U JPH029700U JP H029700 U JPH029700 U JP H029700U JP 8632088 U JP8632088 U JP 8632088U JP 8632088 U JP8632088 U JP 8632088U JP H029700 U JPH029700 U JP H029700U
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- fixed
- ladder member
- ceiling
- engaging
- 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.)
- Granted
Links
Landscapes
- Ladders (AREA)
Description
第１図はこの考案の一実施例の側面図、第２図
はその部分詳細図である。
１……開口枠、２……蓋板、４……上段はしご
部材、５……下段はしご部材、４ｂ，５ｂ……ス
ライド溝、７，８……係合具、１０……ワイヤ、
１５……ぜんまい式バランサ。
FIG. 1 is a side view of one embodiment of this invention, and FIG. 2 is a partially detailed view thereof. 1...Opening frame, 2...Lid plate, 4...Upper ladder member, 5...Lower ladder member, 4b, 5b...Slide groove, 7, 8...Engagement tool, 10...Wire,
15...Clockwork balancer.
Claims (1)
枠の一側に下方に回動自在の蓋板を設け、この蓋
板の裏面側に上段はしご部材を設け、この上段は
しご部材に下段はしご部材をスライド自在に設け
た天井はしご装置において、前記上段および下段
はしご部材の各側板の外面にそれぞれ部材長手方
向にスライド溝を形成し、これらスライド溝にま
たがつて係合された一対の係合具のうち一方の係
合具を前記上段はしご部材の下端に固定し、他方
の係合具を前記下段はしご部材の上端にかつ前記
一方の係合具よりも上方に固定し、前記下段はし
ご部材に固定した他方の係合具の下端に一端が固
定され、上方に設けたぜんまい式バランサに他端
が繋着されたワイヤを前記上段はしご部材の前記
スライド溝内にスライド自在に収納したことを特
徴とする天井はしご装置。 An opening frame is provided in the opening formed in the ceiling, a downwardly rotatable cover plate is provided on one side of the opening frame, an upper ladder member is provided on the back side of the cover plate, and a lower ladder member is attached to the upper ladder member. In the ceiling ladder apparatus, a sliding groove is formed on the outer surface of each side plate of the upper and lower ladder members in the longitudinal direction of the member, and a pair of engaging tools are engaged across the sliding grooves. One of the engaging tools is fixed to the lower end of the upper ladder member, the other engaging tool is fixed to the upper end of the lower ladder member and above the one engaging tool, and the other engaging tool is fixed to the lower end of the lower ladder member. A wire having one end fixed to the lower end of the other fixed engagement tool and the other end connected to a clockwork balancer provided above is slidably housed in the slide groove of the upper ladder member. ceiling ladder device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086320U JPH0732880Y2 (en) | 1988-06-27 | 1988-06-27 | Ceiling ladder equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086320U JPH0732880Y2 (en) | 1988-06-27 | 1988-06-27 | Ceiling ladder equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH029700U true JPH029700U (en) | 1990-01-22 |
| JPH0732880Y2 JPH0732880Y2 (en) | 1995-07-31 |
Family
ID=31310958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988086320U Expired - Lifetime JPH0732880Y2 (en) | 1988-06-27 | 1988-06-27 | Ceiling ladder equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0732880Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5714320U (en) * | 1980-06-26 | 1982-01-25 |
-
1988
- 1988-06-27 JP JP1988086320U patent/JPH0732880Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5714320U (en) * | 1980-06-26 | 1982-01-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0732880Y2 (en) | 1995-07-31 |