JPS6159725U - - Google Patents
Info
- Publication number
- JPS6159725U JPS6159725U JP14444284U JP14444284U JPS6159725U JP S6159725 U JPS6159725 U JP S6159725U JP 14444284 U JP14444284 U JP 14444284U JP 14444284 U JP14444284 U JP 14444284U JP S6159725 U JPS6159725 U JP S6159725U
- Authority
- JP
- Japan
- Prior art keywords
- link body
- opening frame
- stopper block
- attached
- rotatably attached
- 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、第２図及び第３図は本考案の一実施例
を示す正面図であつて各々異なる調整状態を示し
、第４図はストツパーブロツクの正面図、第５図
は開口枠と蓋板を示す斜視図、第６図ははしごユ
ニツトの全体斜視図、第７図は従来例の斜視図で
あり、
１は開口部、２ははしご、３は蓋板、４はリン
ク体、５はねじ具、６はストツパーブロツク、７
ａ，７ｂ，７ｃは当接部、８はリンクである。
Figures 1, 2 and 3 are front views showing an embodiment of the present invention, each showing different adjustment states, Figure 4 is a front view of the stopper block, and Figure 5 is a front view of the opening frame. 6 is a perspective view of the entire ladder unit, and FIG. 7 is a perspective view of a conventional example, in which 1 is an opening, 2 is a ladder, 3 is a cover plate, 4 is a link, and 5 is a perspective view showing a lid plate. is a screw tool, 6 is a stopper block, 7
a, 7b, and 7c are abutting portions, and 8 is a link.
Claims (1)
蓋板の一端を開口枠の一端の下部に回動自在に枢
着し、一対のリンクを接続したリンク体の一端を
開口枠の側面に回動自在に枢着すると共にリンク
体の他端を蓋板に回動自在に枢着し、開口枠の側
面にボルトやビス等のねじ具によりストツパーブ
ロツクを上下表裏付け替え自在に取着し、ストツ
パーブロツクの側面に下降時のリンク体を当接さ
せて位置決めさせるための複数箇所の当接部を設
けると共にストツパーブロツクの当接部の傾斜角
度を各々異ならせ、ストツパーブロツクの付け替
えによりリンク体の位置決め角度を変更できるよ
うにして成るはしごユニツト。 One end of the cover plate, which has a foldable ladder attached to its top surface, is rotatably attached to the bottom of one end of the opening frame, and one end of the link body, which connects a pair of links, is rotatably attached to the side of the opening frame. At the same time, the other end of the link body is rotatably attached to the cover plate, and the stopper block is attached to the side of the opening frame with screws such as bolts and screws so that the upper and lower sides can be changed freely. A plurality of abutting parts are provided on the side surface of the link body for positioning the link body during descent, and the inclination angles of the abutting parts of the stopper block are made different, and by replacing the stopper block, the link body can be A ladder unit that allows the positioning angle to be changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14444284U JPH0332661Y2 (en) | 1984-09-25 | 1984-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14444284U JPH0332661Y2 (en) | 1984-09-25 | 1984-09-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6159725U true JPS6159725U (en) | 1986-04-22 |
| JPH0332661Y2 JPH0332661Y2 (en) | 1991-07-11 |
Family
ID=30702718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14444284U Expired JPH0332661Y2 (en) | 1984-09-25 | 1984-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332661Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62190043U (en) * | 1986-05-26 | 1987-12-03 | ||
| JPS62190042U (en) * | 1986-05-26 | 1987-12-03 |
-
1984
- 1984-09-25 JP JP14444284U patent/JPH0332661Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62190043U (en) * | 1986-05-26 | 1987-12-03 | ||
| JPS62190042U (en) * | 1986-05-26 | 1987-12-03 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0332661Y2 (en) | 1991-07-11 |