CN103132898A - Long ladder - Google Patents
Long ladder Download PDFInfo
- Publication number
- CN103132898A CN103132898A CN2013100715993A CN201310071599A CN103132898A CN 103132898 A CN103132898 A CN 103132898A CN 2013100715993 A CN2013100715993 A CN 2013100715993A CN 201310071599 A CN201310071599 A CN 201310071599A CN 103132898 A CN103132898 A CN 103132898A
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- CN
- China
- Prior art keywords
- square frame
- long ladder
- body square
- ladder
- crosspiece
- 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.)
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Abstract
The invention discloses a long ladder, and aims to provide a long ladder, which can be lengthened. According to the technical scheme provided by the invention, tubular square frames are fixedly connected to form the long ladder. The long ladder disclosed by the invention comprises the tubular square frames and screws; two through holes are formed in the crosspiece of the tubular square frames; and the tubular square frames are mutually and fixedly connected through the screws. The technical scheme provided by the invention is simple and convenient to operate. The long ladder disclosed by the invention facilitates length adjustment and is easy to store.
Description
Technical field
The present invention relates to ladder.
Background technology
Application number is to disclose folding long ladder in 200820037362.8 manual, it contains left and right montant and a plurality of crosspiece, each crosspiece is hinged and collapsible by left and right two halves crosspiece, left and right montant is that the inboard contains reeded " U " type bar, the left and right two ends of each left and right crosspiece lay respectively in the groove of montant, and be flexibly connected by riveting axle and montant, left and right montant is moving and overlapping by relative translation, and two and half crosspieces are vertical overlapping and include in respectively in the groove of montant simultaneously; Montant is hinged and connected and can be folded back and forth by multistage, is provided with locking mechanism between adjacent two sections.Its middle left and right montant and a plurality of number of rungs are certain, this folding long ladder elongation existence limit.
Summary of the invention
The invention discloses a kind of long ladder, purpose is to provide a kind of long ladder that can lengthen.The technical solution used in the present invention is the body square frame to be fixedly connected with consist of long ladder.
A kind of long ladder disclosed by the invention comprises body square frame and screw, and the crosspiece of body square frame is provided with two perforation, and the body square frame is screwed with the body square frame and is connected.The body square frame is the square frame shape, is convenient to like this join together into ladder.The body square frame is that iron pipe forms with the bending machine bending.Each body square frame specification is same, is convenient to install.The crosspiece of body square frame is provided with two perforation.That bores a hole is big or small identical, and the position is identical, is convenient to like this be connected and fixed.Screw is fixedly connected with two body square frames by perforation.The body square frame connects successively one by one, has consisted of long ladder.The user can increase according to the specific works needs length of lengthened ladder, and sound construction, and safety factor is high.Convenient disassembly after using takes up space after long ladder dismounting little, easily collection.
The technical solution used in the present invention is easy and simple to handle, and the terraced length adjustment of this length is convenient, and collection easily.
Description of drawings
Fig. 1 is schematic diagram of the present invention
Wherein, the body square frame 1; Screw 2; Perforation 3.
The specific embodiment
As shown in Figure 1, a kind of long ladder comprises body square frame 1 and screw 2, and the crosspiece of body square frame 1 is provided with two perforation 3, and body square frame 1 is fixedly connected with by screw 2 with body square frame 1.Body square frame 1 is the square frame shape, is convenient to like this join together into ladder.Body square frame 1 is that iron pipe forms with the bending machine bending.The iron pipe external diameter is 10 millimeters, and pipe thickness is 3 millimeters.Each body square frame 1 specification length and width are 300 person of outstanding talent's rice.The crosspiece of body square frame 1 is provided with two perforation 3.Perforation is circular hole, and the aperture is 8 millimeters.Perforation is apart from crosspiece end distance 50 person of outstanding talent's rice.Screw 23 is fixedly connected with two body square frames 1 by boring a hole.Body square frame 1 connects successively one by one, has consisted of long ladder.The user can increase according to the specific works needs length of lengthened ladder, and sound construction, and safety factor is high.Convenient disassembly after using takes up space after long ladder dismounting little, easily collection.
Claims (1)
1. a long ladder, comprise body square frame (1) and screw (2), it is characterized in that the crosspiece of body square frame (1) is provided with two perforation (3), and body square frame (1) is fixedly connected with by screw (2) with body square frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100715993A CN103132898A (en) | 2013-03-07 | 2013-03-07 | Long ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100715993A CN103132898A (en) | 2013-03-07 | 2013-03-07 | Long ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103132898A true CN103132898A (en) | 2013-06-05 |
Family
ID=48493285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100715993A Pending CN103132898A (en) | 2013-03-07 | 2013-03-07 | Long ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103132898A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4613013A (en) * | 1984-09-13 | 1986-09-23 | Watling Nigel C | Suspension ladder |
| CN2045022U (en) * | 1989-02-17 | 1989-09-27 | 桂林市中山中学 | Folding ladder |
| WO1990015915A1 (en) * | 1989-06-15 | 1990-12-27 | Gosling L J | A collapsible ladder |
| US5152245A (en) * | 1990-08-20 | 1992-10-06 | Roy Olsen | Floatable ladder device |
| CN201258682Y (en) * | 2008-06-06 | 2009-06-17 | 杨农 | Folding long ladder |
| CN203114139U (en) * | 2013-03-07 | 2013-08-07 | 严斯文 | Novel long ladder |
-
2013
- 2013-03-07 CN CN2013100715993A patent/CN103132898A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4613013A (en) * | 1984-09-13 | 1986-09-23 | Watling Nigel C | Suspension ladder |
| CN2045022U (en) * | 1989-02-17 | 1989-09-27 | 桂林市中山中学 | Folding ladder |
| WO1990015915A1 (en) * | 1989-06-15 | 1990-12-27 | Gosling L J | A collapsible ladder |
| US5152245A (en) * | 1990-08-20 | 1992-10-06 | Roy Olsen | Floatable ladder device |
| CN201258682Y (en) * | 2008-06-06 | 2009-06-17 | 杨农 | Folding long ladder |
| CN203114139U (en) * | 2013-03-07 | 2013-08-07 | 严斯文 | Novel long ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |