JPH0247326U - - Google Patents
Info
- Publication number
- JPH0247326U JPH0247326U JP12576288U JP12576288U JPH0247326U JP H0247326 U JPH0247326 U JP H0247326U JP 12576288 U JP12576288 U JP 12576288U JP 12576288 U JP12576288 U JP 12576288U JP H0247326 U JPH0247326 U JP H0247326U
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- spring
- ceiling
- storage
- frame
- 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、本案の斜視図、第２図は、ばねの係
止部の組み立て図、第３図は、梯子の屈伸状態の
説明図で、第１ばねを省略したもので、イは、折
り畳んだ状態、ロは、伸長の途中、の状態、ハは
、伸ばし終わつた状態。第４図は、ばね端部の掛
止構造の３例、である。
図において、２……収納枠、３……ばね、４…
…上梯子、５……中梯子、８……天井蓋、９……
軸座、１０……第１ばね、１１……第２ばね、１
３……ばね溝、１４……係止軸、１５……止め孔
、である。
Fig. 1 is a perspective view of the present invention, Fig. 2 is an assembled view of the locking part of the spring, Fig. 3 is an explanatory view of the ladder in a bent and extended state, with the first spring omitted; The folded state, B shows the state in the middle of extension, and C shows the fully extended state. FIG. 4 shows three examples of locking structures for spring ends. In the figure, 2... storage frame, 3... spring, 4...
...Upper ladder, 5...Middle ladder, 8...Ceiling cover, 9...
Shaft seat, 10...first spring, 11...second spring, 1
3... Spring groove, 14... Locking shaft, 15... Locking hole.
Claims (1)
納枠下面に開閉可能に軸着された天井蓋と、 該天井蓋に固定された折り畳み梯子と、 収納枠と天井蓋と、および、折畳み梯子の上梯
子と中梯子とを、それぞれつなぐ引ばねと、 より成る天井収納梯子において、 軸座９に回動自由に保持された係止軸１４の止
孔１５に、ばね３の端部を掛止して、ばね３を取
り付けたこと、 を特徴とする、天井収納梯子。 (2) 上梯子４の側板１２上面と中梯子５の側板
１２上面とに連通し、その深さが、軸座９の高さ
より大なるばね溝１３の中に、第２ばね１１を装
着し、 中梯子５のばね溝１３の下端を下梯子６方向に
延長した、 実用新案登録請求の範囲第１項記載の、天井収
納梯子。[Scope of Claim for Utility Model Registration] (1) A storage frame that is installed and fixed in a ceiling opening, a ceiling cover that is pivotally attached to the lower surface of the storage frame so that it can be opened and closed, a folding ladder that is fixed to the ceiling cover, and a storage. In a ceiling storage ladder consisting of a draw spring that connects the frame and the ceiling cover, and the upper and middle ladders of the folding ladder, respectively, the stop hole of the locking shaft 14 rotatably held in the shaft seat 9. A ceiling storage ladder characterized in that the spring 3 is attached to the spring 3 by hooking the end of the spring 3 to the ceiling storage ladder. (2) The second spring 11 is installed in the spring groove 13 that communicates with the upper surface of the side plate 12 of the upper ladder 4 and the upper surface of the side plate 12 of the middle ladder 5, and whose depth is larger than the height of the shaft seat 9. , The ceiling storage ladder according to claim 1, wherein the lower end of the spring groove 13 of the middle ladder 5 is extended in the direction of the lower ladder 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12576288U JPH0247326U (en) | 1988-09-28 | 1988-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12576288U JPH0247326U (en) | 1988-09-28 | 1988-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247326U true JPH0247326U (en) | 1990-03-30 |
Family
ID=31376659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12576288U Pending JPH0247326U (en) | 1988-09-28 | 1988-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247326U (en) |
-
1988
- 1988-09-28 JP JP12576288U patent/JPH0247326U/ja active Pending