CN2338483Y - Telescopic ladder - Google Patents
Telescopic ladder Download PDFInfo
- Publication number
- CN2338483Y CN2338483Y CN 98238755 CN98238755U CN2338483Y CN 2338483 Y CN2338483 Y CN 2338483Y CN 98238755 CN98238755 CN 98238755 CN 98238755 U CN98238755 U CN 98238755U CN 2338483 Y CN2338483 Y CN 2338483Y
- Authority
- CN
- China
- Prior art keywords
- column
- utility
- model
- ladder
- crossbeam
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The utility model relates to a telescopic ladder which is composed of upright posts, cross beams, springs and positioning pins. The structure of the utility model is that the upright posts which adopt sleeve pipe structure can be extended and shrunk freely, the cross beams are connected with the upright post, and the positioning pins and the springs are arranged in the cross beams. In the utility model, each joint of the ladder can be extended in the upright posts and fixed by the positioning pins. The utility model has the advantages of portability and simple structure. The utility model is suitable for families and organizations.
Description
The utility model belongs to field of tool, relates to a kind of improvement to ladder.
At present, ladder is often used in building sites such as daily life and each architectural decorations, and ladder has a lot of inconvenience when carrying, be not easy to move.
The purpose of this utility model provides telescopic ladder a kind of easy to carry, simple in structure.
The technical solution of the utility model is that the column of every joint ladder is adopted sleeve structure, and column is processed with fixing hole, and is equipped with by spring controlled pin in the crossbeam inside that connects column and is used for fixing with column, and reaching every joint ladder can telescopic action.
Characteristics of the present utility model are that extension ladder is made up of column, crossbeam, spring and alignment pin, the column of every joint ladder adopts sleeve structure, is processed with locating hole on column, and crossbeam links to each other with column, alignment pin is housed in crossbeam, spring is housed on alignment pin.
Good effect of the present utility model is that extension ladder is made up of column, crossbeam, spring and alignment pin, column adopts the scalable freedom of sleeve structure, crossbeam connects column, alignment pin and spring are housed in crossbeam, having every joint ladder can stretch in column, is fixed by alignment pin, and portability is convenient, simple in structure, be applicable to that family and unit use.
Fig. 1 is a structure chart of the present utility model.
The every joint ladder of expression is by column 1 in Fig. 1, and crossbeam 2 is formed, and column 1 adopts sleeve structure to make with aluminium extruded sections or steel pipe, on column 1, be processed with locating hole 5, two alignment pins 3 are housed in crossbeam, and alignment pin 3 is used for matching with the stud location hole, and spring 4 is housed on alignment pin 3.
Claims (1)
1, a kind of extension ladder, formed by column, crossbeam, spring and alignment pin, it is characterized in that: the column of every joint ladder (1) adopts sleeve structure, on column (1), be processed with locating hole (5), crossbeam (2) links to each other with column (1), alignment pin (3) is housed in crossbeam (2), spring (4) is housed on alignment pin (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98238755 CN2338483Y (en) | 1998-09-04 | 1998-09-04 | Telescopic ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98238755 CN2338483Y (en) | 1998-09-04 | 1998-09-04 | Telescopic ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2338483Y true CN2338483Y (en) | 1999-09-15 |
Family
ID=33986268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98238755 Expired - Fee Related CN2338483Y (en) | 1998-09-04 | 1998-09-04 | Telescopic ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2338483Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446174B (en) * | 2008-12-17 | 2010-12-29 | 戎泽明 | Multi-functional foldable combined ladder |
| CN103628641A (en) * | 2013-10-31 | 2014-03-12 | 苏州富士德物流设备有限公司 | Climbing vehicle with adjustable height |
-
1998
- 1998-09-04 CN CN 98238755 patent/CN2338483Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446174B (en) * | 2008-12-17 | 2010-12-29 | 戎泽明 | Multi-functional foldable combined ladder |
| CN103628641A (en) * | 2013-10-31 | 2014-03-12 | 苏州富士德物流设备有限公司 | Climbing vehicle with adjustable height |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |