JPS58111799U - Stepladder locking device - Google Patents
Stepladder locking deviceInfo
- Publication number
- JPS58111799U JPS58111799U JP847682U JP847682U JPS58111799U JP S58111799 U JPS58111799 U JP S58111799U JP 847682 U JP847682 U JP 847682U JP 847682 U JP847682 U JP 847682U JP S58111799 U JPS58111799 U JP S58111799U
- Authority
- JP
- Japan
- Prior art keywords
- stepladder
- locking device
- extraction hole
- ladder
- connecting arm
- 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)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案による開止め装置を取付ける脚立を示
す斜視図、第２図は同じく梯子として使用する時の状態
を示す正面図、第３はこの考案による開止め装置を分解
して示す斜視図、第４図は連結腕をピンに係合した状態
を示す縦断面図、第５図は第４図の横断面図、第６図は
係止金具が大孔半り小孔へ入り込む時の状態を示す横断
面図、第７図及び第８図は係止金具の類例を示す横断面
図である。
１・・・脚体、２主杆、３・・・踏桟、５・・・連結腕
、６ 。
・・・抜孔、６ａ・・・大孔、６ｂ・・・小孔、６Ｃ・
・・くびれ部、７・・・ピン、８・・・係止金具、８ａ
、８ｂ・・・係止金具端部。Figure 1 is a perspective view showing a stepladder to which a locking device according to this invention is attached, Figure 2 is a front view showing the same state when used as a ladder, and Figure 3 is an exploded perspective view of the locking device according to this invention. Figure 4 is a vertical cross-sectional view showing the state in which the connecting arm is engaged with the pin, Figure 5 is a cross-sectional view of Figure 4, and Figure 6 is when the locking fitting enters the large hole and the small hole. FIGS. 7 and 8 are cross-sectional views showing similar examples of locking fittings. 1...Leg body, 2. Main rod, 3.. Stepper, 5.. Connecting arm, 6. ...pull hole, 6a...large hole, 6b...small hole, 6C.
... Neck part, 7... Pin, 8... Locking metal fitting, 8a
, 8b... end of the locking metal fitting.
Claims (1)
脚体１，１を上下に廷して梯子に及び互いに相対向して
脚立に兼用される脚立であって、一方の脚体１に枢支し
た連結腕５に達磨形の抜孔６を設け、他の脚体１に連結
腕の抜孔６が嵌まるピン７を設けて構成した開止め装置
において、前記ピン７に、鋼線を重ねた状態に巻付ける
と共に前記抜孔６の小孔６ｂの内径とほぼ同様の外径を
持つコイルスプリングより成り、且つ鋼線の両端部をコ
イルの内側へ屈折した係止金具８を嵌装したことを特徴
とする脚立の開止め装置。A stepladder in which a pair of legs 1, 1 formed in the shape of a ladder are pivotally connected to each other, and both legs 1, 1 are tilted up and down to serve as a ladder, and are also used as a stepladder by facing each other. In the locking device, the connecting arm 5 pivotally supported on the body 1 is provided with a Daruma-shaped extraction hole 6, and the other leg body 1 is provided with a pin 7 into which the extraction hole 6 of the connecting arm is fitted. The wires are wound in an overlapping state, and a locking fitting 8 is fitted, which is made of a coil spring having an outer diameter approximately the same as the inner diameter of the small hole 6b of the extraction hole 6, and in which both ends of the steel wire are bent inside the coil. A stepladder opening locking device characterized by being equipped with a stepladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP847682U JPS58111799U (en) | 1982-01-25 | 1982-01-25 | Stepladder locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP847682U JPS58111799U (en) | 1982-01-25 | 1982-01-25 | Stepladder locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58111799U true JPS58111799U (en) | 1983-07-30 |
| JPS6237919Y2 JPS6237919Y2 (en) | 1987-09-28 |
Family
ID=30021166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP847682U Granted JPS58111799U (en) | 1982-01-25 | 1982-01-25 | Stepladder locking device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58111799U (en) |
-
1982
- 1982-01-25 JP JP847682U patent/JPS58111799U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6237919Y2 (en) | 1987-09-28 |
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