CN108119056B - A kind of foldable domestic herringbone ladder device - Google Patents
A kind of foldable domestic herringbone ladder device Download PDFInfo
- Publication number
- CN108119056B CN108119056B CN201711494482.0A CN201711494482A CN108119056B CN 108119056 B CN108119056 B CN 108119056B CN 201711494482 A CN201711494482 A CN 201711494482A CN 108119056 B CN108119056 B CN 108119056B
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- Prior art keywords
- safety device
- space
- hole
- sleeve
- layering
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/081—Rungs or other treads comprising anti-slip features
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
A kind of foldable domestic herringbone ladder device, the firm banking is mainly the hollow pedestal being made of wood materials, the hollow pedestal is internally provided with a storage space, the safety device being provided on the side of the hollow pedestal, collapsible ladder body center is provided with a connecting rod, the two sides of the connecting rod are symmetrically arranged with multiple layering sleeves, it is connected between the layering sleeve by locking device, the rotating mechanism is mainly by convex link block, spill link block and rotary shaft composition, the rotary shaft is each passed through spill link block and convex link block plays the role of connection and rotation.The present invention reduces occupied space when folding using the structure of layering sleeve to the greatest extent, whole device is in the shape for being rendered as a square when not used, it is easy to put and do not affect the appearance, simultaneously, safety device is provided on fixed pedestal, ladder body collapses caused by opening safety device can prevent rotating mechanism from damaging suddenly when use, avoids injury to personnel.
Description
Technical field
The present invention relates to life housed device field, specially a kind of foldable domestic herringbone ladder device.
Background technique
Currently, more change the bulb in people's lives, clean many aspects such as wall, eminence storing and need to use ladder, but
Be that ladder volume is larger and unique outlook, beauty not only taken up a large area but also influenced when putting at home, in the market there is also
Many folding double ladders, but these folding double ladders are all to solve only the larger problem of volume, but moulding
It is upper or incompatible with indoor environment, so many people, which appoint, can so buy because of storage problem without selecting.
Summary of the invention
The purpose of the present invention is to provide a kind of foldable domestic herringbone ladder devices, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of foldable domestic herringbone ladder device, including it is solid
Determine pedestal and collapsible ladder body two parts, the firm banking with collapsible ladder body is connected by multiple identical rotating mechanisms,
It is characterized by: the firm banking is mainly the hollow pedestal being made of wood materials, the inside of the hollow pedestal
It is provided with a storage space, collapsible ladder when folding in being stored in storage space, and the hollow pedestal is perpendicular to even
Connecing setting on the side of rotating mechanism, there are four identical safety device, the collapsible ladder is described collapsible as symmetrical structure
Terraced body center is provided with a connecting rod, and the connecting rod passes through the layering sleeve connection two sides ladder body of top layer and plays rotation
The effect turned, the two sides of the connecting rod are symmetrically arranged with multiple layering sleeves, pass through locking device between the layering sleeve
Connection, is provided with pedal among the layering sleeve of two same sizes of the same side, and the lowest level is layered sleeve bottom
It is provided with a support plate, the support plate is located at the surface of safety device, and the rotating mechanism is mainly by convex link block, recessed
Shape link block and rotary shaft form, and multiple bolts hole are provided on the convex link block and are used to be fixed on hollow pedestal,
Be also equipped on the spill link block multiple bolts hole for it is fixed on the supporting plate, the rotary shaft is each passed through spill and connects
It connects block and convex link block plays the role of connection and rotation, be provided with anti-slip device on the pedal.
Preferably, the safety device includes safety device round hole, safety device square hole, safety device use
It is closed card slot, safety device work card slot, safety device guard plate, safety device stretching space, safety device drawing
Stretch pipeline, safety device shrink space, safety device rotating pipe, safety device knob, safety device spinner handle, peace
Full device turntable, safety device steel cable, safety device compressed spring, safety device fixed block.
Preferably, being provided with safety device round hole and safety device square hole, institute on the hollow pedestal
It states safety device round hole and safety device square hole connects and runs through hollow pedestal, and the safety device is round
Hole is located at outside, and it is total with square hole that safety device square hole is located inside, the safety device round hole and safety device
A safety device guard plate is provided in through-hole with composition, the safety device guard plate is internally provided with a safety
Device is symmetrically arranged with a stretching pipeline, the other end setting for stretching pipeline with space, the stretching space two sides are stretched
There is a shrink space, the space side vertical with pipeline is stretched that stretch is provided with a safety device rotating pipe, described
A safety device spinner handle is provided in rotating pipe, the safety device is connected with one with one end that spinner handle is located at free surrounding space
Safety device knob, the other end of safety device spinner handle are connected with safety device turntable, and the safety device is used
Turntable is located at safety device with stretching in space, and a safety device compressed spring, institute are provided on the inside of the shrink space
It states and is provided with safety device fixed block on the outside of shrink space, the safety device fixed block and safety device compression bullet
One end that spring is connected is connected with a safety device steel cable, and safety device steel cable passes through safety device stretching pipeline
And it connects and safety device turntable, and the safety device round hole and safety device square hole two sides and safety device
Card slot and safety device work card slot are closed with safety device is respectively arranged in fixed block same level.
Preferably, the locking device includes leading to space in big layering sleeve, being layered sleeve wall greatly, be layered sleeve greatly
Lead to space, small layering sleeve wall, small layering sleeve lock dead hole, locked pipe, locked channel, lock in locked hole, small layering sleeve
Dead device compressed spring, locked bar, anti-fall off block and baffle.
Preferably, the side of the big layering sleeve wall is provided with a big layering sleeve lock dead hole, the big layering
It is provided with a small layering sleeve lock dead hole on the small layering sleeve wall led in space in sleeve, leads to sky in the small layering sleeve
Interior to be provided with a locked pipe for crossing logical space in small layering sleeve, the locked pipe is internally provided with a locked channel,
The locked channel all on same line and is communicated with small layering sleeve lock dead hole and big layering sleeve lock dead hole, described locked
One end far from small layering sleeve lock dead hole in space is provided with a locking device compressed spring, the locking device compression
The end of spring is provided with a locked bar, and the side of the locked bar is provided with the anti-fall off block for the formula of being integrated with, the lock
A baffle is provided in blind gallery, the baffle is located at locked pipe above and is integrated with.
Preferably, the anti-slip device includes the non-slip mat for being fixed at the pedal upper surface, it is described anti-skidding
Antiskid particles protrusion is provided on pad.
Compared with prior art, the beneficial effects of the present invention are: the present invention using layering sleeve structure fold when most
The reduction occupied space of big degree, periphery is provided with hollow pedestal, increases the stability put, hollow pedestal when in use
For wood materials, floor will not be scratched, and the storage space of hollow base interior can with the collapsible ladder body after storing foldable,
Whole device is easy to put and do not affect the appearance in the shape for being rendered as a square when not used, meanwhile, it is arranged on fixed pedestal
There is a safety device, ladder body collapses caused by when use opens safety device and can prevent rotating mechanism from damage suddenly, avoids
Injury to personnel.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of foldable domestic herringbone ladder device of the present invention；
Fig. 2 is the complete section structural schematic diagram of locking device in a kind of foldable domestic herringbone ladder device of the present invention；
Fig. 3 is the complete section structural schematic diagram of safety device in a kind of foldable domestic herringbone ladder device of the present invention；
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of embodiment provided by the invention: a kind of foldable domestic herringbone ladder device, including fixed bottom
Seat 1 and 2 two parts of collapsible ladder body, the firm banking 1 and collapsible ladder body 2 are connected by multiple identical rotating mechanisms 3,
It is characterized by: the firm banking 1 is mainly the hollow pedestal 4 that is made of wood materials, the hollow pedestal 4 it is interior
Portion is provided with a storage space 5, and collapsible ladder body 2 is stored in storage space 5 when folding, and the hollow pedestal 4 is hanging down
Directly in setting on the side of connection traversing mechanism 3 there are four identical safety device 6, the collapsible ladder body 2 is symmetrical structure, institute
It states 2 center of collapsible ladder body and is provided with a connecting rod 7, the layering sleeve 8 that the connecting rod 7 passes through top layer connects two sides
Terraced body simultaneously plays the role of rotation, and the two sides of the connecting rod 7 are symmetrically arranged with multiple layering sleeves 8, the layering sleeve 8 it
Between connected by locking device 9, be provided with pedal 10 among the layering sleeve 8 of two same sizes of the same side, it is described
Lowest level layering 8 bottom of sleeve is provided with a support plate 11, and the support plate 11 is located at the surface of safety device 6, the rotation
Rotation mechanism 3 is mainly made of convex link block 31, spill link block 32 and rotary shaft 33, is provided on the convex link block 31
Multiple bolts hole 34 are also equipped with multiple bolts hole 35 and use for being fixed on hollow pedestal 4 on the spill link block 32
In being fixed in support plate 11, the rotary shaft 33 is each passed through spill link block 32 and convex link block 31 plays connection and rotation
The effect turned is provided with anti-slip device on the pedal 10.
Referring to Fig. 2, including safety device round hole 61, safety device square hole 62, safety device closure card
Slot 63, safety device work card slot 64, safety device guard plate 65, safety device stretching space 66, safety device are used
Stretch pipeline 67, safety device shrink space 68, safety device rotating pipe 69, safety device knob 610, safety dress
It sets with spinner handle 611, safety device turntable 612, safety device steel cable 613, safety device compressed spring 614, safety dress
It sets and uses fixed block 615, be provided with safety device round hole 61 and safety device square hole 62 on the hollow pedestal 4,
The safety device round hole 61 and safety device square hole 62 connect and through hollow pedestals 4, and the safety fills
It sets and is located at outside with round hole 61, safety device square hole 62 is located inside, safety device round hole 61 and safety
A safety device guard plate 65, the safety device guard plate are provided in the through-hole that device square hole 62 collectively constitutes
65 safety device that is internally provided with stretches space 66, and 66 two sides of stretching space are symmetrically arranged with a stretching pipeline
67, the other end for stretching pipeline 67 is provided with a shrink space 68, and the stretching space 66 is vertical with pipeline 67 is stretched
Side be provided with a safety device rotating pipe 69, a safety device spinner handle 611 is provided in the rotating pipe 69,
The safety device is connected with a safety device knob 610, the safety device with one end that spinner handle 611 is located at free surrounding space
It is connected with safety device turntable 612 with the other end of spinner handle 611, safety device turntable 612 is located at safety device use
It stretches in space 66, the inside of the shrink space 68 is provided with a safety device compressed spring 614, the shrink space 68
Outside be provided with safety device fixed block 615, the safety device is with fixed block 615 and safety device compressed spring
614 one end being connected are connected with a safety device steel cable 613, and the safety device is used with steel cable 613 across safety device
It stretches pipeline 67 and connects and safety device turntable 612, and safety device round hole 61 and safety device are with rectangular
62 two sides of hole and safety device are with being respectively arranged with safety device closure card slot 63 and safety in 615 same level of fixed block
Device work card slot 64.Its main function is that when using the device, opening safety device 6 can prevent rotating mechanism 3 prominent
So terraced body collapses caused by damage, avoids injury to personnel.
Referring to Fig. 3, the locking device 9 includes leading to space 91, big layering sleeve wall 92, big point in big layering sleeve
Lead to space 94 in layer sleeve lock dead hole 93, small layering sleeve, small layering sleeve wall 95, small layering sleeve lock dead hole 96, lock
Pipe 97, locked channel 98, locking device compressed spring 99, locked bar 910, anti-fall off block 911 and baffle 912, described big point
The side of layer sleeve wall 92 is provided with a big layering sleeve lock dead hole 93, leads to small point in space 91 in the big layering sleeve
It is provided with a small layering sleeve lock dead hole 96 on layer sleeve wall 95, leads in space 94 in the small layering sleeve and is provided with a cross
The locked pipe 97 for leading to space 94 in small layering sleeve is worn, the locked pipe 97 is internally provided with a locked channel 98, the lock
Blind gallery 98 all on same line and is communicated with small layering sleeve lock dead hole 96 and big layering sleeve lock dead hole 93, described locked
One end far from small layering sleeve lock dead hole 96 in space is provided with a locking device compressed spring 99, and the locking device is used
The end of compressed spring 99 is provided with a locked bar 910, and the side of the locked bar 910 is provided with the anticreep for the formula of being integrated with
Block 911 is fallen, a baffle 912 is provided in the locked channel 98, the baffle 912 is located on locked pipe 97 and is one with it
Body.Its main function is that the structure that big cylinder covers small cylinder reduces folded space hold to the greatest extent, makes device convenient for pendulum
Locking device 9 can stablize the stability connected between each layering sleeve 8 when putting, while using.
Beneficial, the anti-slip device includes the non-slip mat 101 for being fixed at 10 upper surface of pedal, described anti-
Antiskid particles protrusion is provided in skidding 101.
Specifically used mode: it in present invention work, is needing to look for a stationary position below high-rise working, which is being put
It is placed on this stationary position, improves the connecting rod 7 of center, under the induced effect of connecting rod 7, it is continuous that both ends are layered sleeve 8
Elongation, while the support plate 11 of lower end promotes the raising triangular in shape of collapsible ladder body 2 around the rotation of rotating mechanism 3, is divided into sleeve
It constantly increases until the small sleeve lock dead hole that is divided into is aligned with big layering sleeve lock dead hole 93, the locked bar 910 in locked space exists
It is ejected under the action of locking device compressed spring 99, at this moment the anti-fall off block 911 in locked bar 910 is stuck at baffle 912
Prevent locked bar 910 from falling off, at this moment locked bar 910 is through small layering sleeve lock dead hole 96 and big layering sleeve lock dead hole 93, really
It protects after relative displacement no longer occurs easily for each layering sleeve 8 and rotates safety device knob 610, safety device is logical with knob 610
Crossing safety device spinner handle 611 drives safety device turntable 612 to rotate, and safety device is internally pullled with steel cable 613
It drives safety device fixed block 615 to leave closure card slot 63 in the process to be moved in safety device shrink space 68, at this moment
Safety device guard plate 65 is internally pushed, safety device knob 610 is then unclamped, is moved in safety device guard plate 65
At the position for moving work card slot 64, under the elastic force effect of safety device compressed spring 614, safety device fixed block
615, which leave safety device shrink space 68, enters work card slot 64, and at this moment, safety device is located at support plate 11 with guard plate 65
Underface, play the effect of Auxiliary support and prevention safety, only need to be closed when not in use press after safety device 6 it is locked
Bar 910, shrinking each layering sleeve 8 is located at collapsible ladder body 2 in storage space 5, reduces occupied space to the greatest extent, and
And do not affect the appearance, convenient for putting.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of foldable domestic herringbone ladder device, including firm banking and collapsible ladder body two parts, the firm banking and
Collapsible ladder body is connected by multiple identical rotating mechanisms, it is characterised in that: the firm banking is mainly by wood materials
The hollow pedestal of composition, the hollow pedestal are internally provided with a storage space, store when collapsible ladder is in folding
In storage space, the hollow pedestal is arranged on the side perpendicular to connection traversing mechanism to be filled safely there are four identical
It sets, the collapsible ladder is provided with a connecting rod as symmetrical structure, collapsible ladder body center, and the connecting rod is worn
It crosses the layering sleeve connection two sides ladder body of top layer and plays the role of rotation, the two sides of the connecting rod are symmetrically arranged with multiple
It is layered sleeve, is connected between the layering sleeve by locking device, positioned at the layering sleeve of two same sizes of the same side
Centre is provided with pedal, and the lowest level layering sleeve bottom is provided with a support plate, and the support plate is located at safety device
Surface, the rotating mechanism are mainly made of convex link block, spill link block and rotary shaft, are set on the convex link block
Multiple bolts hole are equipped with for being fixed on hollow pedestal, multiple bolts hole are also equipped on the spill link block for solid
Determine on the supporting plate, the rotary shaft is each passed through spill link block and convex link block plays the role of connection and rotation, institute
It states and is provided with anti-slip device on pedal.
2. a kind of foldable domestic herringbone ladder device according to claim 1, it is characterised in that: the safety device includes
Safety device round hole, safety device square hole, safety device closure card slot, safety device work card slot, safety
Device guard plate, safety device stretching space, safety device stretching pipeline, safety device shrink space, safety dress
It sets with rotating pipe, safety device knob, safety device spinner handle, safety device turntable, safety device steel cable, safety
Device compressed spring, safety device fixed block.
3. a kind of foldable domestic herringbone ladder device according to claim 2, it is characterised in that: on the hollow pedestal
It is provided with safety device round hole and safety device square hole, the safety device round hole and safety device are with rectangular
Hole connects and runs through hollow pedestal, and safety device round hole is located at outside, and safety device square hole is located at interior
Safety device peace is provided in the through-hole that side, safety device round hole and safety device are collectively constituted with square hole
The safety device that is internally provided with of full plate, the safety device guard plate stretches space, the stretching space two sides pair
Title is provided with a stretching pipeline, and the other end for stretching pipeline is provided with a shrink space, the stretching space and stretching tube
The vertical side in road is provided with a safety device rotating pipe, and a safety device spinner handle is provided in the rotating pipe,
The safety device is connected with a safety device knob, the safety device spinner handle with one end that spinner handle is located at free surrounding space
The other end be connected with safety device turntable, safety device turntable is located at safety device with stretching in space, described
It is provided with a safety device compressed spring on the inside of shrink space, safety device is provided on the outside of the shrink space with admittedly
Determine block, the safety device is connected with a safety device steel with fixed block with one end that safety device is connected with compressed spring
Rope, safety device steel cable pass through safety device with stretching pipeline and connect and safety device turntable, and the safety
Device round hole and safety device square hole two sides and safety device are with being respectively arranged with peace in fixed block same level
Full device closure card slot and safety device work card slot.
4. a kind of foldable domestic herringbone ladder device according to claim 1, it is characterised in that: the locking device includes
Lead to space in big layering sleeve, be layered sleeve wall, big layering sleeve lock dead hole, logical space, small layering in small layering sleeve greatly
Sleeve wall, small layering sleeve lock dead hole, locked pipe, locked channel, locking device compressed spring, locked bar, anti-fall off block
And baffle.
5. a kind of foldable domestic herringbone ladder device according to claim 4, it is characterised in that: the big layering sleeve cylinder
The side of wall is provided with a big layering sleeve lock dead hole, leads on the small layering sleeve wall in space in the big layering sleeve and sets
It is equipped with a small layering sleeve lock dead hole, leads in space to be provided with one and cross in the small layering sleeve and leads to space in small layering sleeve
Locked pipe, the locked pipe is internally provided with a locked channel, the locked channel and small layering sleeve lock dead hole and greatly
Layering sleeve lock dead hole all on same line and communicates, and one end far from small layering sleeve lock dead hole in the locked space is set
It is equipped with a locking device compressed spring, the end of locking device compressed spring is provided with a locked bar, described locked
The side of bar is provided with the anti-fall off block for the formula of being integrated with, and a baffle is provided in the locked channel, and the baffle is located at
Locked pipe is upper and is integrated with.
6. a kind of foldable domestic herringbone ladder device according to claim 1, it is characterised in that: the anti-slip device packet
The non-slip mat for being fixed at the pedal upper surface is included, antiskid particles protrusion is provided in the non-slip mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711494482.0A CN108119056B (en) | 2017-12-31 | 2017-12-31 | A kind of foldable domestic herringbone ladder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711494482.0A CN108119056B (en) | 2017-12-31 | 2017-12-31 | A kind of foldable domestic herringbone ladder device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108119056A CN108119056A (en) | 2018-06-05 |
| CN108119056B true CN108119056B (en) | 2019-06-07 |
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ID=62232703
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711494482.0A Active CN108119056B (en) | 2017-12-31 | 2017-12-31 | A kind of foldable domestic herringbone ladder device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108119056B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108719257A (en) * | 2018-08-09 | 2018-11-02 | 池州市松茂茶业有限公司 | A kind of portable agricultural planting auxiliary device |
| CN110714714B (en) * | 2019-10-28 | 2021-11-02 | 江苏苏海工贸有限公司 | Lifesaving burglary-resisting window |
| CN111255369A (en) * | 2020-01-19 | 2020-06-09 | 泉州潘大侠网络科技有限公司 | Portable supplementary supporting mechanism who overhauls with staircase of hydraulic engineering |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB823849A (en) * | 1955-12-19 | 1959-11-18 | Thomas Vincent Hall | Improvements in or relating to collapsable ladders |
| JPH1018742A (en) * | 1996-06-28 | 1998-01-20 | Yoshikawa:Kk | Multipurpose stand |
| CN202858464U (en) * | 2012-06-04 | 2013-04-10 | 浙江师范大学 | Household portable multifunctional tool trolley |
| CN204386443U (en) * | 2015-01-05 | 2015-06-10 | 浙江洋铭实业有限公司 | Foldable telescopic ladder |
| CN205778480U (en) * | 2016-05-19 | 2016-12-07 | 国网山东省电力公司平原县供电公司 | A kind of Portable insulation double ladder |
-
2017
- 2017-12-31 CN CN201711494482.0A patent/CN108119056B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB823849A (en) * | 1955-12-19 | 1959-11-18 | Thomas Vincent Hall | Improvements in or relating to collapsable ladders |
| JPH1018742A (en) * | 1996-06-28 | 1998-01-20 | Yoshikawa:Kk | Multipurpose stand |
| CN202858464U (en) * | 2012-06-04 | 2013-04-10 | 浙江师范大学 | Household portable multifunctional tool trolley |
| CN204386443U (en) * | 2015-01-05 | 2015-06-10 | 浙江洋铭实业有限公司 | Foldable telescopic ladder |
| CN205778480U (en) * | 2016-05-19 | 2016-12-07 | 国网山东省电力公司平原县供电公司 | A kind of Portable insulation double ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108119056A (en) | 2018-06-05 |
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