CN104295226B - Ground foot support assembly - Google Patents
Ground foot support assembly Download PDFInfo
- Publication number
- CN104295226B CN104295226B CN201410563897.9A CN201410563897A CN104295226B CN 104295226 B CN104295226 B CN 104295226B CN 201410563897 A CN201410563897 A CN 201410563897A CN 104295226 B CN104295226 B CN 104295226B
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- Prior art keywords
- connecting rod
- articulated
- pivoting point
- gripper
- support assembly
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/423—Ladder stabilising struts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
Disclosure one ground foot support assembly, it includes main support rod, upper boom, lower beam, first connecting rod and second connecting rod and locked component; One end of described upper boom is articulated in ladder bars and forms the first pivoting point, and the other end is articulated in described main support rod and forms the second pivoting point; One end of described lower beam is articulated in described ladder bars and forms the 3rd pivoting point, and the other end is articulated in described main support rod and forms the 4th pivoting point; The upper end of described first connecting rod is articulated in described first pivoting point, and the lower end of described second connecting rod is articulated in described lower beam and forms the upper end pivot joint of the 5th pivoting point, the lower end of described first connecting rod and described second connecting rod; Described locked component locks described first connecting rod and second connecting rod. Present invention ground foot support assembly can be taken up room by the folding ladder that reduces, and makes to carry and easy to use, improves the safety that ladder uses.
Description
Technical field
The present invention relates to a kind of ladder lower margin to support, particularly relate to one and taken up room by the folding ladder that reduces, carry and easy to use, improve the ground foot support assembly of ladder safety in utilization.
Background technology
In the process of engineering construction, engineering staff generally requires and carries out operation aloft, for the convenient safety worked up and down and ensure workmen, this is accomplished by by some aids such as ladder or scaffold etc. for climbing, and due to scaffold be possible not only to solve vertical on the problem that falls, but also can move horizontally for workmen, therefore, it is widely used in modern construction.
Existing scaffolding structure, is usually and is connected what the vertical ladder of both sides form by centrally located panel assembly, and the volume of these scaffolds relatively greatly, is usually designed to folding, thus conveniently transporting use. But, owing to the load capacity of scaffold is often bigger, and it is simply supported by two lower margins of vertical ladder, therefore, cause that the strong point of scaffold is few, workman is on scaffold and can produce to support unstable sensation, and scaffold or vertical ladder more past top bearing capacity is more unstable, and safety in utilization declines. Thus, it is necessary to use the modular support lower margin of auxiliary, but not only effectively can support lower margin but without a kind of but also be suitable for a support component of folding structure of scaffold in the market.
Summary of the invention
It is an object of the invention to provide one to be taken up room by the folding ladder that reduces, carry and easy to use, improve the ground foot support assembly of ladder safety in utilization.
To achieve these goals, ground provided by the invention foot support assembly includes main support rod, upper boom, lower beam, first connecting rod and second connecting rod and locked component; One end of described upper boom is articulated in ladder bars and forms the first pivoting point, and the other end is articulated in described main support rod and forms the second pivoting point; One end of described lower beam is articulated in described ladder bars and forms the 3rd pivoting point, and the other end is articulated in described main support rod and forms the 4th pivoting point; The upper end of described first connecting rod is articulated in described first pivoting point, and the lower end of described second connecting rod is articulated in described lower beam and forms the upper end pivot joint of the 5th pivoting point, the lower end of described first connecting rod and described second connecting rod; Described locked component locks described first connecting rod and second connecting rod.
Compared with prior art, owing to the present invention is by being articulated in ladder bars and described main support rod respectively by the two ends of described upper boom and described lower beam, the upper end of described first connecting rod is articulated in described ladder bars, the lower end of described second connecting rod is articulated on described lower beam, again by the upper end pivot joint of the lower end of described first connecting rod and second connecting rod, so that above-mentioned each bar forms a travel(l)ing rest, by utilizing described locked component that the rotation between described first connecting rod and second connecting rod is locked, so that whole travel(l)ing rest reaches stable purpose, and then strong support can be carried out for described ladder when launching and using, improve the safety that ladder uses, and when not in use can modification folding, reduce taking up room of ladder, give to carry and use and bring great convenience.
It is preferred that described lower beam is the level of state upon deployment.
Specifically, the length of described upper boom is less than the length of described lower beam. Owing to the length of described upper boom is less, therefore, described upper boom makes described main support rod outward-dipping from top to bottom along described ladder bars when with described main support rod pivot joint, so that supporting stronger, ladder bars is more stable, uses safer.
More specifically, the level height of described second pivoting point is between described first pivoting point and the level height of the 3rd pivoting point. Owing to upper boom described when folding can be rotated up around described first pivoting point, and the upper end of described upper boom tilts near described ladder bars, therefore, described second pivoting point is arranged between described first pivoting point and the level height of the 3rd pivoting point and described upper boom can be made first to promote the upper end of described upper boom to be displaced outwardly then moving inward when rotating again, thus coordinating the lower end of described lower beam to realize folding.
More specifically, the upper end of described main support rod upwardly extends, and being provided with pipe fixation kit in upper end, described pipe fixation kit is detachably secured to described ladder bars. By arranging described pipe fixation kit, described pipe fixation kit can connect described ladder bars, so that described main support rod supports stronger, stable entirely foot support assembly, uses safer further.
More specifically, the upper end of described main support rod is in flexible sleeve structure. The stretching structure of described main support rod can make described pipe fixation kit can folding, can disengage it from when not in use described ladder bars with reduce take up room.
More specifically, described pipe fixation kit includes fixing post, first gripper, second gripper and locating dowel, described first gripper is socketed on outside described fixing post, described second gripper has the articulated section of circle, described articulated section is socketed on outside described fixing post rotationally, along being provided with opening under the lateral wall of described articulated section, described first gripper offers the accommodating hole in the same direction of the central shaft with described fixing post, described locating dowel is placed in described accommodating hole slidably and the part cambered surface of the outer wall of described locating dowel stretches into described opening to lock the relative position of described first gripper and the second gripper. when described first gripper and the second gripper are encircled in pipe, utilize described locating dowel can lock described first gripper and the second gripper, realize fixing the purpose being connected with pipe, and when described first gripper and the second gripper unlock relatively, described first gripper and the second gripper then can be made to depart from described pipe, and structure is very simple, during use, have only to press described locating dowel, use very convenient.
More specifically, be provided with stage clip in described accommodating hole, described stage clip contacts between inner bottom surface and the described locating dowel of described accommodating hole. When described second gripper turns an angle and makes opening relative with described accommodating hole, described locating dowel can be made to automatically extend into described opening by described stage clip, thus realizing locking automatically.
It is preferred that described ladder bars is provided with two connector assemblies, described connection assembly includes the articulated part and the Coupling that are mutually permanently connected, and upper boom and described lower beam described in the pivot joint respectively of articulated part described in two, Coupling described in two is socketed on described ladder bars rotationally. Make it both by upper boom described in pivot joint and lower beam, entirely foot support assembly can be made again to rotate around described ladder bars by arranging described connector assembly, it is achieved by ground foot support assembly folding to the side near ladder, minimizing takes up room.
It is preferred that described locked component includes pivot pin, spring, connector and stop pin;Described first connecting rod and second connecting rod are by the mutual pivot joint of described pivot pin, and the end of described pivot pin is fixing with one end of described stop pin to be connected, and described spring contacts between the pressure cap of described pivot pin and the side of described first connecting rod; The end that described first connecting rod and second connecting rod are articulated is circular arc and is being provided with first and second through holes some on the same circumference that described pivot pin is the center of circle respectively, and described stop pin is plugged in first and second through hole described.
Preferably, described locked component includes locking piece and torsion spring, the edge of described locking piece is provided with the first bayonet socket and the second bayonet socket, described locking piece is articulated in the middle part of described second connecting rod by drive-connecting shaft, described first connecting rod and second connecting rod are respectively equipped with axis, described torsion spring set is connected on described drive-connecting shaft and contacts at respectively between axis and the described locking piece of described second connecting rod, so that any one of described first bayonet socket and the second bayonet socket is sticked on the axis of described first connecting rod.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that present invention ground foot support assembly is installed on the both sides of ladder.
Fig. 2 is the structural representation of present invention ground foot support assembly.
Fig. 3 is the decomposing schematic representation of the locked component of present invention ground foot support assembly.
Fig. 4 is the structural representation of the pipe fixation kit of present invention ground foot support assembly.
Fig. 5 is the decomposing schematic representation of the pipe fixation kit of present invention ground foot support assembly.
Fig. 6 is the profile status figure that the first gripper of the pipe fixation kit of the present invention and the second gripper encircle ladder bars.
Fig. 7 is the view during foot support assembly folding of present invention ground.
Fig. 8 is view during the complete folding of the present invention ground foot support assembly and ladder.
Fig. 9 is the structural representation of the second locked component of present invention ground foot support assembly.
The view of the second locked component when Figure 10 is the foot support assembly folding of present invention ground.
Detailed description of the invention
For describing the technology contents of the present invention, structural feature, the effect that realizes in detail, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
As shown in Figure 1 and Figure 2, present invention ground foot support assembly 200 includes main support rod 201, upper boom 202, lower beam 203, first connecting rod 204 and second connecting rod 205 and locked component 206; One end of described upper boom 202 is articulated in ladder bars 300 and forms the first pivoting point A, and the other end is articulated in described main support rod 201 and forms the second pivoting point B; One end of described lower beam 203 is articulated in described ladder bars 300 and forms the 3rd pivoting point C, and the other end is articulated in described main support rod 201 and forms the 4th pivoting point D; Described lower beam 203 is the level of state upon deployment; The upper end of described first connecting rod 204 is articulated in described first pivoting point A, and the lower end of described second connecting rod 205 is articulated in described lower beam 203 and forms the upper end pivot joint of the 5th pivoting point E, the lower end of described first connecting rod 204 and described second connecting rod 205; Described locked component 206 locks described first connecting rod 204 and second connecting rod 205. Specifically, the length of described upper boom 202 is less than the length of described lower beam 203, so, owing to the length of described upper boom 202 is less, therefore, described upper boom 202 makes described main support rod 201 outward-dipping from top to bottom along described ladder bars 300 when with described main support rod 201 pivot joint, so that supporting stronger, ladder bars 300 is more stable, uses safer. The level height of described second pivoting point B is between described first pivoting point A and the level height of the 3rd pivoting point C.Owing to when folding, described upper boom 202 can be rotated up around described first pivoting point A, and the upper end of described upper boom 202 tilts near described ladder bars 300, therefore, it is arranged between described first pivoting point A and the level height of the 3rd pivoting point C by described second pivoting point B can to make described upper boom 202 first to promote the upper end of described upper boom 202 to swing out when rotating then to move inward again, thus coordinating the lower end of described lower beam 203 to realize folding.
Again as shown in Figure 2, described ladder bars 300 is provided with two connector assemblies 207, described connection assembly 207 includes the articulated part 207a and the Coupling 207b that are mutually permanently connected, upper boom 202 and described lower beam 203 described in articulated part 207a pivot joint respectively described in two form described first pivoting point A and the 3rd pivoting point C, and Coupling 207b described in two is socketed on described ladder bars 300 rotationally. Make it both can by upper boom described in pivot joint 202 and lower beam 203 by arranging described connector assembly 207, entirely foot support assembly 200 can be made again to rotate around described ladder bars 300, realizing ground foot support assembly 200 folding to the side near ladder, minimizing takes up room.
As it is shown on figure 3, described locked component 206 includes pivot pin 206a, spring 206b, connector 206c and stop pin 206d; Described first connecting rod 204 and second connecting rod 205 are by the described mutual pivot joint of pivot pin 206a, the end of described pivot pin 206a is fixing with one end of described stop pin 206d to be connected, and described spring 206b contacts between the pressure cap of described pivot pin 206a and the side of described first connecting rod 204; The end that described first connecting rod 204 and second connecting rod 205 are articulated is circular arc and is plugged in described first and second through hole 204a, 205a being provided with two first and second through hole 204a, 205a, described stop pin 206d on the described pivot pin 206a same circumference being the center of circle respectively.
The lower end of described main support rod 201 is threadably connected to callosity 201b, described callosity 201b by screw 201a can utilize screw 201a and up-down adjustment, to be effectively supported in ground when supporting.
Referring again to Fig. 2 and Fig. 4, the upper end of described main support rod 201 upwardly extends, and in flexible sleeve structure, the top of described main support rod 201 is provided with pipe fixation kit 100, and described pipe fixation kit 100 is detachably secured to described ladder bars 300. By arranging described pipe fixation kit 100, described pipe fixation kit 100 can connect described ladder bars 300, so that described main support rod 201 supports stronger, stable entirely foot support assembly 200, use safer further. The stretching structure of described main support rod 201 can make described pipe fixation kit 100 can folding, can disengage it from when not in use described ladder bars 300 and move down with reduce take up room.
Again as shown in Figures 4 and 5, described pipe fixation kit 100 includes fixing post the 1, first gripper the 2, second gripper 3 and locating dowel 4; Described first gripper 2 is fixed by socket outside described fixing post 1, and in hollow out 21 in the middle part of described first gripper 2, described first gripper 2 can also be articulated in outside described fixing post 1; Described second gripper 3 has the articulated section 31 of circle, and described articulated section 31 is inserted described hollow out 21 and is socketed on rotationally outside described fixing post 1. Described first gripper 2 and the second gripper 3, in circular arc, so can make described first gripper 2 and the second gripper 3 adapt to the profile of ladder bars 300, thus when being connected with ladder bars 300 more compact structure.The bottom surface of described articulated section 31 has fixing location dish 32, and the lateral wall of described location dish 32 offers two opening 32a, and opening 32a described in two is separated by certain angle. The inwall of described first gripper 2 offers the accommodating hole 22 in the same direction of the central shaft with described fixing post 1, and described locating dowel 4 is placed in described accommodating hole 22 slidably. Being provided with stage clip 5 in described accommodating hole 22, described stage clip 5 contacts between inner bottom surface and the described locating dowel 4 of described accommodating hole 22. When described second gripper 2 turns an angle and makes opening 32a relative with described accommodating hole 22, described locating dowel 4 can be made to slide from opening 32a direction described in trend by described stage clip 5, so that the part cambered surface of the outer wall of described locating dowel 4 stretches into described opening 32a to lock the relative position of described first gripper 2 and the second gripper 3.
Described locating dowel 4 is axially extending to be gone out to supply the pressing lever 41 of pressing, and described pressing lever 41 stretches out the outer wall of described first gripper 2 by the through hole 23 on described first gripper 2. Described pressing lever 41 is set and can conveniently unlock described first gripper 2 and the second gripper 3, so that operating more convenient.
Described fixing post 1 is in hierarchic structure, and described first gripper 2 and the second gripper 3 are socketed on the little axle 11 that described fixing post 1 diameter is less, and threaded on the end face of described little axle 11 has the screw 13 preventing described first gripper 2 and the second gripper 3 from moving axially.
Described opening 32a can arrange multiple, such that it is able to make described first gripper 2 and the second gripper 3 can encircle the pipe of different-diameter.
Shown in Fig. 6, when using described pipe fixation kit 100, first the upper end of described main support rod 201 it is socketed and is fixed on the big axle 12 of described fixing post 1, press described pressing lever 41 again, described pressing lever 41 is made to promote described locating dowel 4 to compress described stage clip 5, described locating dowel 4 exits described opening 32a slidably and completely in described accommodating hole 22, at this moment, described first gripper 2 and the second gripper 3 unlock relatively, rotate described first gripper 2 and then described first gripper 2 and the second gripper 3 are opened, then it is socketed in ladder bars 300, finally, rotate described first gripper 2, described first gripper 2 and the second gripper 3 is made to encircle in the outer wall of described ladder bars 300, when described first gripper 2 turn to certain angle make another described opening 32a just relative with described accommodating hole 22 time, described stage clip 5 promotes described locating dowel 4 to make it in described opening 32a automatically, thus described first gripper 2 is locked, now, can described pipe fixation kit 100 be fixed in ladder bars 300, the upper end of two ladder bars 300 and described main support rod 201 is just connected with each other.
Summary in conjunction with Fig. 7 and Fig. 8, was described in detail originally to the work of present invention ground foot support assembly 200 below, as follows:
When described ground foot support assembly 200 launches, described first connecting rod 204 and second connecting rod 205 stretch, described main support rod 201 is supported in the both sides of described ladder obliquely, the upper end elongation of described main support rod 201 ladder bars 300 near top, described pipe fixation kit 100 is encircled in described ladder bars 300. During folding, first described pipe fixation kit 100 is unlocked so that it is depart from described ladder bars 300, then make the upper end of described main support rod 201 shrink; Pressing described pivot pin 206a again, state pivot pin 206a and promote described connector 206c and stop pin 206d, described stop pin 206d to exit described first and second through hole 204a, 205a described in making, at this moment described first connecting rod 204 and second connecting rod 205 unlock.The described main support rod 201 of manual-up promotion, at this moment, described lower beam 203 is rotated up around described 3rd pivoting point C; Described upper boom 202 is rotated up around described first pivoting point A and promotes described main support rod 201 to swing out, and when described upper boom 202 turns to and crosses horizontal level, described main support rod 201 is again inwardly near ladder; Meanwhile, described first connecting rod 204 and the relative folding of second connecting rod 205, when folding to a certain extent time, the first through hole 204a on described first connecting rod 204 is just right with another the second through hole 205a on described second connecting rod 205, and described stop pin 206d reenters described first through hole 204a and the second through hole 205a under the elastic acting force of described spring 206b and then described first connecting rod 204 and second connecting rod 205 are locked; Finally, rotate described Coupling 207b, make entirely foot support assembly 200 around the central axis of ladder bars 300, finally make described ground foot support assembly 200 get final product folding near described ladder completely complete.
Compared with prior art, owing to the present invention is by being articulated in ladder bars 300 and described main support rod 201 respectively by the two ends of described upper boom 202 and described lower beam 203, the upper end of described first connecting rod 204 is articulated in described ladder bars 300, the lower end of described second connecting rod 205 is articulated on described lower beam 203, again by the upper end pivot joint of the lower end of described first connecting rod 204 and second connecting rod 205, so that above-mentioned each bar forms a travel(l)ing rest, by utilizing described locked component 206 that the rotation between described first connecting rod 204 and second connecting rod 205 is locked, so that whole travel(l)ing rest reaches stable purpose, and then strong support can be carried out for described ladder when launching and using, improve the safety that ladder uses, and when not in use can modification folding, reduce taking up room of ladder, it addition, by arranging described pipe fixation kit 100, it is possible to improve stability and the safety of ground foot support assembly 200 further, and arrange described connector 206c assembly and described main support rod 201 stretching structure can ground foot support assembly 200 described in folding further, thus reducing the volume of ground foot support assembly 200 greatly, giving to carry and use and bringing great convenience.
Additionally, the locked component of the present invention can also use other structures, refer to Fig. 9 and Figure 10, the present invention provides the second locked component 208, described locked component 208 includes locking piece 208a and torsion spring 208b, described locking piece 208a is in the strip of bending, the edge of described locking piece 208a is provided with the first bayonet socket 208a1 and the second bayonet socket 208a2, described locking piece 208a is articulated in the middle part of described second connecting rod 205 by drive-connecting shaft 208c, described first connecting rod 204 and second connecting rod 205 are respectively equipped with axis 208d, 208e, described torsion spring 208b is socketed on described drive-connecting shaft 208c and contacts at respectively between the axis 208e and described locking piece 208a of described second connecting rod 205, so that any one of described first bayonet socket 208a1 and the second bayonet socket 208a2 is sticked on the axis 208d of described first connecting rod 204. when expanded, the axis 208d of described first connecting rod 204 is sticked on described first bayonet socket 208a1, and when folding, the axis 208d of described first connecting rod 204 is sticked on described second bayonet socket 208a2.
The above disclosed preferred embodiments being only the present invention, certainly can not limit the interest field of the present invention, the equivalent variations therefore made according to the present patent application the scope of the claims with this, still fall within the scope that the present invention contains.
Claims (10)
1. a ground foot support assembly, it is characterised in that: include main support rod, upper boom, lower beam, first connecting rod, second connecting rod and locked component; One end of described upper boom is articulated in ladder bars and forms the first pivoting point, and the other end is articulated in described main support rod and forms the second pivoting point; One end of described lower beam is articulated in described ladder bars and forms the 3rd pivoting point, and the other end is articulated in described main support rod and forms the 4th pivoting point; The upper end of described first connecting rod is articulated in described first pivoting point, and the lower end of described second connecting rod is articulated in described lower beam and forms the upper end pivot joint of the 5th pivoting point, the lower end of described first connecting rod and described second connecting rod; Described locked component locks described first connecting rod and second connecting rod.
2. foot support assembly as claimed in claim 1ly, it is characterised in that: described lower beam is the level of state upon deployment.
3. foot support assembly as claimed in claim 2ly, it is characterised in that: the length of described upper boom is less than the length of described lower beam.
4. foot support assembly as claimed in claim 3ly, it is characterised in that: the level height of described second pivoting point is between described first pivoting point and the level height of the 3rd pivoting point.
5. foot support assembly as claimed in claim 4ly, it is characterised in that: the upper end of described main support rod upwardly extends, and is provided with pipe fixation kit in upper end, and described pipe fixation kit is detachably secured to described ladder bars.
6. foot support assembly as claimed in claim 5ly, it is characterised in that: the upper end of described main support rod is in flexible sleeve structure.
7. foot support assembly as claimed in claim 5ly, it is characterized in that: described pipe fixation kit includes fixing post, first gripper, second gripper and locating dowel, described first gripper is socketed on outside described fixing post, described second gripper has the articulated section of circle, described articulated section is socketed on outside described fixing post rotationally, along being provided with opening under the lateral wall of described articulated section, described first gripper offers the accommodating hole in the same direction of the central shaft with described fixing post, described locating dowel is placed in described accommodating hole slidably and the part cambered surface of the outer wall of described locating dowel stretches into described opening to lock the relative position of described first gripper and the second gripper, it is provided with stage clip in described accommodating hole, described stage clip contacts between inner bottom surface and the described locating dowel of described accommodating hole.
8. foot support assembly as claimed in claim 1ly, it is characterized in that: described ladder bars is provided with two connector assemblies, described connection assembly includes the articulated part and the Coupling that are mutually permanently connected, upper boom and described lower beam described in the pivot joint respectively of articulated part described in two, Coupling described in two is socketed on described ladder bars rotationally.
9. foot support assembly as claimed in claim 1ly, it is characterised in that: described locked component includes pivot pin, spring, connector and stop pin; Described first connecting rod and second connecting rod are by the mutual pivot joint of described pivot pin, and the end of described pivot pin is fixing with one end of described stop pin to be connected, and described spring contacts between the pressure cap of described pivot pin and the side of described first connecting rod; The end that described first connecting rod and second connecting rod are articulated is circular arc and is being provided with first and second through holes some on the same circumference that described pivot pin is the center of circle respectively, and described stop pin is plugged in first and second through hole described.
10. foot support assembly as claimed in claim 1ly, it is characterized in that: described locked component includes locking piece and torsion spring, the edge of described locking piece is provided with the first bayonet socket and the second bayonet socket, described locking piece is articulated in the middle part of described second connecting rod by drive-connecting shaft, described first connecting rod and second connecting rod are respectively equipped with axis, described torsion spring set is connected on described drive-connecting shaft and contacts at respectively between axis and the described locking piece of described second connecting rod, so that any one of described first bayonet socket and the second bayonet socket is sticked on the axis of described first connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410563897.9A CN104295226B (en) | 2014-10-21 | 2014-10-21 | Ground foot support assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410563897.9A CN104295226B (en) | 2014-10-21 | 2014-10-21 | Ground foot support assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104295226A CN104295226A (en) | 2015-01-21 |
| CN104295226B true CN104295226B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410563897.9A Active CN104295226B (en) | 2014-10-21 | 2014-10-21 | Ground foot support assembly |
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| CN (1) | CN104295226B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078926A1 (en) * | 2018-10-17 | 2020-04-23 | Telesteps Ab | A stabiliser system for a collapsible ladder |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112698058A (en) * | 2020-11-19 | 2021-04-23 | 首钢京唐钢铁联合有限责任公司 | Insulating platform of overhead test line |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202397Y (en) * | 2008-02-02 | 2009-03-04 | 张鸿森 | Ladder |
| US9038776B2 (en) * | 2009-04-03 | 2015-05-26 | Lock N Climb, Llc | Collapsible safe ladder |
| CN202073489U (en) * | 2011-05-11 | 2011-12-14 | 石家庄供电公司 | Insulating ladder |
| CN202559703U (en) * | 2012-05-03 | 2012-11-28 | 中建五局第三建设有限公司 | Protective facility for movable scaffold |
| CN204225755U (en) * | 2014-10-21 | 2015-03-25 | 东莞威信运动用品有限公司 | Ground foot support assembly |
-
2014
- 2014-10-21 CN CN201410563897.9A patent/CN104295226B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078926A1 (en) * | 2018-10-17 | 2020-04-23 | Telesteps Ab | A stabiliser system for a collapsible ladder |
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| Publication number | Publication date |
|---|---|
| CN104295226A (en) | 2015-01-21 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 No. 8, 1st Road, Qiaotou third industrial zone, Houjie Town, Dongguan City, Guangdong Province Patentee after: Guangdong Qunwang Technology Co.,Ltd. Address before: 523000 Dongguan Weixin sporting goods Co., Ltd., Qiaotou third industrial zone, Houjie Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN PRESTIGE SPORTING PRODUCTS Co.,Ltd. |