JPS6442348U - - Google Patents
Info
- Publication number
- JPS6442348U JPS6442348U JP13322087U JP13322087U JPS6442348U JP S6442348 U JPS6442348 U JP S6442348U JP 13322087 U JP13322087 U JP 13322087U JP 13322087 U JP13322087 U JP 13322087U JP S6442348 U JPS6442348 U JP S6442348U
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- support device
- bracket
- utility
- model registration
- 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
- 210000000078 claw Anatomy 0.000 description 1
Landscapes
- Ladders (AREA)
Description
図面は本考案の実施例を示し、第１図は平面図
、第２図は正面図、第３図は側面図、第４図は使
用状態の平面図、第５図はその背面図、第６図は
その側面図である。
Ａ……梯子、Ｂ……踏棧、Ｃ……マンホール蓋
用受枠、Ｄ……凹溝、１……支持片、２……ブラ
ケツト、３……アーム、４……枢支部、５……フ
ツク、６……ストツパ、７……バネ、８……支軸
、９……爪部、１０……切欠溝。
The drawings show an embodiment of the present invention, in which Fig. 1 is a plan view, Fig. 2 is a front view, Fig. 3 is a side view, Fig. 4 is a plan view in use, Fig. 5 is a rear view, and Fig. Figure 6 is a side view thereof. A... Ladder, B... Stepping step, C... Manhole cover support frame, D... Concave groove, 1... Support piece, 2... Bracket, 3... Arm, 4... Pivotal part, 5... Hook, 6...Stopper, 7...Spring, 8...Spindle, 9...Claw portion, 10...Notch groove.
Claims (1)
ツト２に取付用のアーム３を枢支部４で旋回可能
に枢着して備え、該アーム３にマンホール蓋用受
枠Ｃに形成した凹溝Ｄに嵌合しうるフツク５を設
けると共に、前記支持片１に梯子Ａを係脱できる
ストツパ６がバネ７で一方向に付勢されて配備さ
れていることを特徴とするマンホール用梯子取付
支持装置。 (2) 前記支持片１が、ブラケツト２に対向して
一対備えられ、前記梯子Ａの踏棧Ｂを嵌入する切
欠溝１０を有しているものである実用新案登録請
求の範囲第１項記載の梯子取付支持装置。 (3) 前記ブラケツト２が、断面コ字状のチヤン
ネル材からなり、脚部となるフツク５１を備えた
ものであつて、両端を所定角度に折り曲げたもの
である実用新案登録請求の範囲第１項又は第２項
記載の梯子取付支持装置。 (4) 前記アーム３が、前記ブラケツト２の両端
近傍に一対備えられ、折畳み可能で開脚自在に配
備され、ブツシユ４１を介して枢支部４に枢着さ
れているものである実用新案登録請求の範囲第１
〜３項のいずれか一つの項記載の梯子取付支持装
置。 (5) 前記ストツパ６が、前記支持片１に支軸８
で回動自在に枢支したものであつて、対向して一
対設けられ操作用の連結棒６１で一対連結したも
ので、前記切欠溝１０を開閉するものである実用
新案登録請求の範囲第３項又は第４項記載の梯子
取付支持装置。[Claims for Utility Model Registration] (1) A mounting arm 3 is rotatably attached to a bracket 2 with a support piece 1 to which a ladder A can be fixed, and a mounting arm 3 is rotatably attached to the arm 3. A hook 5 that can fit into a groove D formed in the receiving frame C is provided, and a stopper 6 that can engage and disengage the ladder A is provided on the support piece 1 and is biased in one direction by a spring 7. Manhole ladder mounting support device. (2) A utility model registration claim 1, wherein the supporting pieces 1 are provided as a pair facing the bracket 2 and have a notched groove 10 into which the step B of the ladder A is inserted. Ladder mounting support device. (3) The bracket 2 is made of a channel material having a U-shaped cross section, and is provided with hooks 51 serving as legs, both ends of which are bent at a predetermined angle. The ladder mounting support device according to item 1 or 2. (4) A utility model registration in which a pair of the arms 3 are provided near both ends of the bracket 2, are foldable and can be opened freely, and are pivotally connected to the pivot 4 via a bush 41. Claim 1
The ladder mounting support device according to any one of items 1 to 3. (5) The stopper 6 connects the support piece 1 with the support shaft 8.
The utility model registration claims No. The ladder mounting support device according to item 3 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13322087U JPH069073Y2 (en) | 1987-09-02 | 1987-09-02 | Ladder mounting device for manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13322087U JPH069073Y2 (en) | 1987-09-02 | 1987-09-02 | Ladder mounting device for manhole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6442348U true JPS6442348U (en) | 1989-03-14 |
| JPH069073Y2 JPH069073Y2 (en) | 1994-03-09 |
Family
ID=31390884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13322087U Expired - Lifetime JPH069073Y2 (en) | 1987-09-02 | 1987-09-02 | Ladder mounting device for manhole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH069073Y2 (en) |
-
1987
- 1987-09-02 JP JP13322087U patent/JPH069073Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH069073Y2 (en) | 1994-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0434171U (en) | ||
| US6348005B1 (en) | Swing assembly with convertible seat | |
| US6237996B1 (en) | Detachable seat | |
| JPS6442348U (en) | ||
| JPS61169631U (en) | ||
| JP3054624U (en) | Folding chair that doubles as a carrier | |
| JP3037393U (en) | Bicycle frame assembly structure | |
| JPH0168259U (en) | ||
| JPS62153936U (en) | ||
| JPH0335196U (en) | ||
| JPS62670U (en) | ||
| JPH0613049Y2 (en) | Bag holder | |
| JPH0357568U (en) | ||
| JPS6343784U (en) | ||
| CN115500656A (en) | Rocking chair | |
| JPS62200512U (en) | ||
| JPS637058U (en) | ||
| JPS6384176U (en) | ||
| JPH0333570U (en) | ||
| JPH02139540U (en) | ||
| JPS5959149U (en) | folding chair | |
| JPH0257445U (en) | ||
| JPS6344846U (en) | ||
| JPS63196976U (en) | ||
| JPH042728U (en) |