CN105863486A - Ladder capable of being stored without leaning on wall - Google Patents

Ladder capable of being stored without leaning on wall Download PDF

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Publication number
CN105863486A
CN105863486A CN201610208237.8A CN201610208237A CN105863486A CN 105863486 A CN105863486 A CN 105863486A CN 201610208237 A CN201610208237 A CN 201610208237A CN 105863486 A CN105863486 A CN 105863486A
Authority
CN
China
Prior art keywords
spanner
hole
newel
post
sucker
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.)
Pending
Application number
CN201610208237.8A
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Chinese (zh)
Inventor
茹朝贵
王曼俪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610208237.8A priority Critical patent/CN105863486A/en
Publication of CN105863486A publication Critical patent/CN105863486A/en
Pending legal-status Critical Current

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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
    • E06C1/24—Non-hinged free-standing ladders
    • E06C1/28—Non-hinged free-standing ladders multi-part
    • E06C1/30—Non-hinged free-standing ladders multi-part extensible, e.g. telescopic
    • 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
    • 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
    • E06C7/42—Ladder feet; Supports therefor
    • E06C7/426—Height adjustable supports for receiving both ladder feet
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

A ladder capable of being stored without leaning on a wall is mainly composed of a base, a plurality of center columns of the same structure, a top seat, a connecting shaft and a gasket, wherein the connecting shaft is used for fixing the top seat to the uppermost center column. After being connected in series up and down, the center columns are inserted into a fixing hole in the top of the base to be positioned, and then the top seat is fixed to the top of the uppermost center column through the connecting shaft to form the upright repairing ladder. The ladder does not need to lean on a wall, a repairing worker can climb upwards to the top along the center columns by stepping steps on the outer walls of the center columns, then repairing is carried out by the repairing worker sitting on the top seat, and the repairing worker gets down by stepping the steps. The ladder is tightly attached to the ground through suction cups, the base is extensible, and stability of a repaired sample can be improved by lowering the base.

Description

A kind of ladder that need not put by wall
Technical field
The present invention relates to the ladder that need not put by wall that a kind of main body is perpendicular to the ground, belong to the optimisation technique of ladder.
Background technology
Existing ladder is " yi word pattern " or " chevron shaped ", and the drawback of " yi word pattern " ladder is: need in use Want wall face supporting, in the case of there is no the such strong point of similar cover, as entreated installation pendent lamp or more in a room When changing the bulb, need to operate in room intermediate vertical, " yi word pattern " ladder cannot be used.
Chevron shaped ladder can shake, and is unfavorable for installing operation；Meanwhile, when " chevron shaped " ladder uses, ladder Needs are opened, and need to take bigger space.
It is, thus, sought for a kind of preferable ladder of stability that in use need not wall face supporting.
Summary of the invention
It is an object of the invention to: a kind of preferable ladder of stability that need not wall face supporting is provided.
Technical scheme: a kind of ladder that need not put by wall is mainly identical by base 1, multi-segment structure Newel 2, footstock 3, the connecting shaft 4 being fixed on by footstock on upper level newel and packing ring 5 form, institute The newel stated is cylindricality, the sidewall of newel is provided with outwardly mark time 21；Set bottom every section of newel 2 There is the downward projection of maximum gauge polygon locating dowel 22 less than newel diameter, accordingly, at Mei Duan center capital On also be provided with the locating dowel with upper level formed friction tight concave downward polygon location hole 23, newel is gone here and there successively Being connected together, the polygon locating dowel 22 of newel above is inserted the center of next stage from top to bottom and is surely pushed up Polygon location hole；Base top is provided with fixing post 11 upwardly, fixing capital is provided with concave downward The polygon locating dowel with newel form friction tight fixing hole, the polygon locating dowel of next stage newel from The fixing hole that upper and lower inserted base 1 pushes up is fixed；Described connecting shaft 4 bottom is and the polygon on the capital of center Hole, location is friction tight connection post, and the top of connecting shaft is cylinder, on the roof of the cylindrical portion of connecting shaft It is provided with the cylindrical hole of concave downward；It is provided with at the bottom of described footstock and forms friction tight company with the cylindrical hole on connecting shaft top Joint chair；The post that connects of connecting shaft is inserted the location, hole, polygon location of the central shaft being positioned at the top from top to bottom, then Packing ring 5 is placed on connecting shaft top, then the seat that connects at the bottom of footstock is inserted on packing ring and connecting shaft top from top to bottom Connecting seat, make footstock be placed on connecting shaft top, under the effect of external force, footstock can rotate on connecting shaft top； Described base 1 mainly include fixing 11, three or four discoid suckers 12 of post, support shaft 13, spanner 14, Stop bit post 15 and position-arresting axis 16；Described sucker mainly includes the taking over a business of round pie, cushion rubber and fixed disk；Cushion rubber is Ring-type, center is provided with through hole, and the external margin of cushion rubber is provided with the surrounding edge being tipping up；Take over a business for bowl-shape, take over a business by opening The mode of mouth down is buckled in cushion rubber surrounding edge；Described fixed disk is rosette, and roof center is provided with upwardly Spanner post, spanner post is provided with spanner hole away from the end of fixed disk, and the external diameter of fixed disk is more than the central through hole hole of cushion rubber Footpath, fixed disk is placed in below the central through hole of cushion rubber, and the inner port edge of cushion rubber is pressed on fixed disk edge upward, Spanner post highlights above fixed disk after being upward through fixed disk roof again through the central through hole of cushion rubber；Described support With the lug axle on fixing post 11 outer wall even, the other end connects with the lug axle taken over a business on roof of sucker in axle 13 one end； Described spanner is placed in, and spanner is provided with the axis hole corresponding with the spanner hole on spanner post, and pivot pin is through removing Spanner and spanner axis of a cylinder are connected together by the axis hole on hand hole and spanner, make spanner turn around pivot pin under the effect of external force Dynamic；Spanner is additionally provided with stop block below the front end of sucker, and stop block is semicircle near the lower section of one end of support shaft Shape, the bottom being positioned at the stop block below axis hole is plane, enables spanner to rotate around pivot pin, the axis hole on spanner The distance of distance stop block front end is more than the distance of axis hole distance stop block bottom；Stop block is made when spanner is removed downwards When bottom is pushed against on sucker top, the front end of stop block is pushed against support the tip of the axis, makes the support shaft can not be in external force Effect under rotate, at this moment, sucker is pressed on ground；The front end of stop block is made to be against suction when spanner is upwards removed When making spanner the most upwards to remove on Pan Ding, fixed disk moves up and is also pulled upwardly by the inner port edge of cushion rubber, makes Ground is left at the center of sucker, and sucker can be mentioned from ground, and the stop block of spanner leaves support shaft, support shaft energy Enough rotate under the effect of external force；The cylindrical stop bit post 15 of upper and lower opening it is provided with, only below fixing post 11 The endoporus of position post 15, more than cylinder 24 diameter below newel, enables the cylinder of the newel of next stage only Position post endoporus moves up and down；Stop bit post 15 is connected with support shaft 13 by position-arresting axis 16, one end of position-arresting axis and Even, the other end of position-arresting axis is with the lug axle on stop bit column outer wall even for lug axle in the middle part of support shaft；The quantity of position-arresting axis Identical with the quantity of support shaft；After spanner above a sucker is upwards removed, this sucker is energy under the effect of external force Enough leave ground, move position-arresting axis, it is possible to change the angle of position-arresting axis and support shaft, so that this sucker is close or remote From stop bit post, then sucker being pressed onto ground, then spanner is moved to downwards after stop block pushes against sucker top, stop block supports Compact schemes axle.
Polygon locating dowel lower central at newel arranges diameter and is less than the downward of polygon locating dowel minimum diameter Prominent cylinder 24, accordingly, the diapire in the hole, polygon location on the capital of center is provided with the cylinder of concave downward Hole, when the polygon locating dowel of upper level newel inserts the hole, polygon location on the capital of next stage center, upper one The cylinder of level newel inserts the cylindrical hole on the capital of next stage center；The polygon locating dowel of next stage newel is inserted Enter the fixing hole of the fixing post of base, the cylinder of next stage newel and be downwardly into stop bit post 15 through fixing post.
Footstock is provided with handrail upwardly, and handrail is provided with hook.
Described mark time be shaped as sector or square.
Beneficial effect:
1, the fixing hole location being inserted into after newel being concatenated up and down on base top, then passes through connecting shaft footstock It is fixed on the maintenance ladder forming erect type on upper level center capital, it is not necessary to rest on body of wall, dimension The personnel of repairing step on the top of just can climbing outside newel of marking time on newel outer wall, and then seat is on top Keep in repair on Zuo, step on again after having keeped in repair and mark time；
2, by sucker paster face tightly, and base can stretch, and is turned down by base and just can increase the steady of maintenance sample Qualitative.
Accompanying drawing explanation
Accompanying drawing 1 is the perspective view of the present invention；
Accompanying drawing 2 is the figure that pops of the present invention；
Accompanying drawing 3 is that the base local of the present invention pops figure；
Accompanying drawing 4 is the part sectioned view of the base of the present invention.
Detailed description of the invention
As shown in Fig. 1 to Fig. 4, a kind of ladder that need not put by wall is mainly identical by base 1, multi-segment structure Newel 2, footstock 3, the connecting shaft 4 being fixed on by footstock on upper level newel and packing ring 5 form.
Described newel is cylindricality, the sidewall of newel is provided with outwardly mark time 21.During use, maintenance Personnel step on to mark time and climb up and down on maintenance ladder.
The downward projection of maximum gauge polygon locating dowel 22 less than newel diameter it is provided with bottom every section of newel 2, Accordingly, Mei Duan center capital also is provided with the locating dowel with upper level and forms the polygon of friction tight concave downward Hole 23, location, newel is sequentially connected in series together, and the polygon locating dowel 22 of newel above is from top to bottom Insert the hole, polygon location that the center of next stage is pushed up surely；Base top is provided with fixing post 11 upwardly, The polygon locating dowel with newel that fixing capital is provided with concave downward forms friction tight fixing hole, next stage Fixing hole on the polygon locating dowel of newel inserted base 1 from top to bottom top is fixed；Described connecting shaft 4 bottom Being the friction tight post that is connected for positioning hole with the polygon on the capital of center, the top of connecting shaft is cylinder, is connecting The roof of the cylindrical portion of axle is provided with the cylindrical hole of concave downward；Be provided with at the bottom of described footstock with on connecting shaft top Cylindrical hole form friction tight connection seat；The connection post of connecting shaft is inserted from top to bottom the central shaft being positioned at the top Location, hole, polygon location, then packing ring 5 is placed on connecting shaft top, then by the connection seat at the bottom of footstock from top to bottom Insert the connection seat on packing ring and connecting shaft top, make footstock be placed on connecting shaft top, under the effect of external force, footstock Can rotate on connecting shaft top.
Described base 1 mainly includes fixing post 11, three or four discoid suckers 12, support shaft 13, spanners 14, stop bit post 15 and position-arresting axis 16；Described sucker mainly includes the taking over a business of round pie, cushion rubber and fixed disk；Glue Circle is for ring-type, and center is provided with through hole, and the external margin of cushion rubber is provided with the surrounding edge being tipping up；Take over a business for bowl-shape, take over a business It is buckled in cushion rubber surrounding edge by downward opening mode；Described fixed disk is rosette, and roof center is provided with upwards dashes forward The spanner post risen, spanner post is provided with spanner hole away from the end of fixed disk, and the external diameter of fixed disk leads to more than the center of cushion rubber Aperture, hole, fixed disk is placed in below the central through hole of cushion rubber, and the inner port edge of cushion rubber is pressed on fixed disk limit upward On edge, spanner post highlights above fixed disk after being upward through fixed disk roof again through the central through hole of cushion rubber；Described Support shaft 13 one end and fixing post 11 outer wall on lug axle even, the lug taken over a business on roof of the other end and sucker Axle is even；Described spanner is placed in, and spanner is provided with the axis hole corresponding with the spanner hole on spanner post, pivot pin Through the axis hole on spanner hole and spanner, spanner and spanner axis of a cylinder are connected together, make spanner under the effect of external force around Pivot pin rotates；Spanner is additionally provided with stop block below the front end of sucker, and stop block is near the lower section of one end of support shaft For semicircle, the bottom being positioned at the stop block below axis hole is plane, enables spanner to rotate around pivot pin, on spanner Axis hole distance stop block front end distance more than axis hole distance stop block bottom distance；Only make when spanner is removed downwards The bottom of position block is when being pushed against on sucker top, and the front end of stop block is pushed against support the tip of the axis, makes the support shaft can not Rotating under the effect of external force, at this moment, sucker is pressed on ground；When spanner upwards being removed the front end making stop block Being against on sucker top when making spanner the most upwards to remove, fixed disk moves up and is also pulled up by the inner port edge of cushion rubber Rising, make the center of sucker leave ground, sucker can be mentioned from ground, and the stop block of spanner leaves support shaft, Support axle can rotate under the effect of external force；The cylindrical stop bit post of upper and lower opening it is provided with below fixing post 11 15, the endoporus of stop bit post 15, more than cylinder 24 diameter below newel, makes the cylinder energy of the newel of next stage Enough move up and down in stop bit post endoporus；Stop bit post 15 is connected with support shaft 13 by position-arresting axis 16, position-arresting axis Even, the other end of position-arresting axis is with the lug axle on stop bit column outer wall even for lug axle in the middle part of one end and support shaft；Position-arresting axis Quantity identical with the quantity of support shaft；After spanner above a sucker is upwards removed, this sucker is at the work of external force Ground can be left under with, move position-arresting axis, it is possible to change the angle of position-arresting axis and support shaft, so that this sucker leans on Close or remote from stop bit post, then sucker is pressed onto ground, then spanner is moved to downwards after stop block pushes against sucker top, only Position block pushes against support shaft.
The spanner column space that when rotating, spanner post is movable it is provided with for spanner in the stop block of spanner, when spanner rotates, Spanner column space rotates around spanner post.
Polygon locating dowel lower central at newel arranges diameter and is less than the downward of polygon locating dowel minimum diameter Prominent cylinder 24, accordingly, the diapire in the hole, polygon location on the capital of center is provided with the cylinder of concave downward Hole, when the polygon locating dowel of upper level newel inserts the hole, polygon location on the capital of next stage center, upper one The cylinder of level newel inserts the cylindrical hole on the capital of next stage center；The polygon locating dowel of next stage newel is inserted Enter the fixing hole of the fixing post of base, the cylinder of next stage newel and be downwardly into stop bit post 15 through fixing post.
Therefore, by upwards spanner, then the angle of position-arresting axis and support shaft is changed, it becomes possible to change the height of base Degree, by pressure spanner, it becomes possible to the height of firm banking.The extreme lower position that base can regulate for be positioned at next The cylinder 24 of the newel of level enters fixing post 11 and polygon locating dowel wall down is against on fixing capital.
Footstock is provided with handrail upwardly, and handrail is provided with hook.The satchel of holding tool hangs on hook, maintenance Personnel are sitting on footstock, hand steered a handrail, keep in repair on the other hand.
Described mark time be shaped as sector or square.
Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, this technology The those of ordinary skill in field, in the essential scope of the present invention, makes a variety of changes or substitutes, and also should belong to this Bright protection category.

Claims (4)

1. one kind need not the ladder put by wall, it is characterised in that: mainly by base (1), newel that multi-segment structure is identical (2), footstock (3), the connecting shaft (4) footstock being fixed on upper level newel and packing ring (5) composition, described in Stem is cylindricality, is provided with mark time (21) outwardly on the sidewall of newel；Every section of newel (2) bottom is provided with the most prominent The maximum gauge gone out is less than the polygon locating dowel (22) of newel diameter, accordingly, Mei Duan center capital also is provided with The locating dowel of upper level forms polygon hole, location (23) of friction tight concave downward, and newel is sequentially connected in series together, position The polygon locating dowel (22) of the newel in top inserts the hole, polygon location that the center of next stage is pushed up surely from top to bottom； Base top is provided with fixing post (11) upwardly, fixing capital is provided with concave downward with newel polygon Locating dowel forms friction tight fixing hole, on polygon locating dowel inserted base from top to bottom (1) top of next stage newel Fixing hole is fixed；Described connecting shaft (4) bottom is that to position hole with the polygon on the capital of center be the friction tight post that is connected, even The top of spindle is cylinder, is provided with the cylindrical hole of concave downward on the roof of the cylindrical portion of connecting shaft；Described top Seat bottom is provided with to be formed with the cylindrical hole on connecting shaft top and friction tight is connected seat；The connection post of connecting shaft is inserted from top to bottom It is positioned at the location, hole, polygon location of the central shaft of the top, then packing ring (5) is placed on connecting shaft top, then by the bottom of footstock Connect seat and insert the connection seat on packing ring and connecting shaft top from top to bottom, make footstock be placed on connecting shaft top, at the work of external force Under with, footstock can rotate on connecting shaft top；Described base (1) mainly includes fixing post (11), three or four disks Shape sucker (12), support shaft (13), spanner (14), stop bit post (15) and position-arresting axis (16)；Described sucker mainly includes circle The taking over a business of pie, cushion rubber and fixed disk；Cushion rubber is ring-type, and center is provided with through hole, and the external margin of cushion rubber is provided with and is tipping up Surrounding edge；Take over a business for bowl-shape, take over a business and be buckled in cushion rubber surrounding edge by downward opening mode；Described fixed disk is rosette, Roof center is provided with spanner post upwardly, and spanner post is provided with spanner hole away from the end of fixed disk, and the external diameter of fixed disk is big In the central through hole aperture of cushion rubber, fixed disk is placed in below the central through hole of cushion rubber, and the inner port edge of cushion rubber is pressed on fixing On dish edge upward, spanner post highlights above fixed disk after being upward through fixed disk roof again through the central through hole of cushion rubber； With the lug axle on fixing post (11) outer wall even, the other end takes over a business connecing on roof with sucker in described support shaft (13) one end Gudgeon is even；Described spanner (14) is placed in, and spanner is provided with the axis hole corresponding with the spanner hole on spanner post, axle Spanner and spanner axis of a cylinder are connected together by pin through the axis hole on spanner hole and spanner, make spanner around axle under the effect of external force Pin rotates；Spanner is additionally provided with stop block below the front end of sucker, and stop block is semicircle near the lower section of one end of support shaft Shape, the bottom being positioned at the stop block below axis hole is plane, enables spanner to rotate around pivot pin, the axis hole distance on spanner The distance of stop block front end is more than the distance of axis hole distance stop block bottom；The bottom of stop block is made to push against when spanner is removed downwards Time on sucker top, the front end of stop block is pushed against support the tip of the axis, makes support shaft can not occur under the effect of external force Rotating, at this moment, sucker is pressed on ground；The front end of stop block is made to be against on sucker top to make the spanner can not when spanner is upwards removed When enough the most upwards removing, fixed disk moves up and is also pulled upwardly by the inner port edge of cushion rubber, makes the center of sucker leave ground, Sucker can be mentioned from ground, and the stop block of spanner leaves support shaft, and support shaft can rotate under the effect of external force； Be provided with the cylindrical stop bit post (15) of upper and lower opening in fixing post (11) lower section, the endoporus of stop bit post (15) is more than below newel Cylinder (24) diameter, enable the cylinder of the newel of next stage to move up and down in stop bit post endoporus；Stop bit post (15) Be connected with support shaft (13) by position-arresting axis (16), the lug axle in the middle part of one end of position-arresting axis and support shaft even, position-arresting axis another One end is with the lug axle on stop bit column outer wall even；The quantity of position-arresting axis is identical with the quantity of support shaft；Above a sucker Spanner upwards remove after, this sucker can leave ground under the effect of external force, moves position-arresting axis, it is possible to change position-arresting axis with The angle of support shaft, so that this sucker is closer or far from stop bit post, then is pressed onto ground sucker, then spanner is moved to downwards After stop block pushes against sucker top, stop block pushes against support shaft.
The ladder that need not put by wall the most according to claim 1, it is characterised in that: the polygon at newel positions Post lower central arranges the diameter downward projection of cylinder (24) less than polygon locating dowel minimum diameter, accordingly, at center The diapire in the hole, polygon location on capital is provided with the cylindrical hole of concave downward, when the polygon locating dowel of upper level newel When inserting the hole, polygon location on the capital of next stage center, the cylinder of upper level newel inserts on the capital of next stage center Cylindrical hole；The fixing hole of the fixing post of the polygon locating dowel inserted base of next stage newel, next stage newel Cylinder is downwardly into stop bit post (15) through fixing post.
The ladder that need not put by wall the most according to claim 1, it is characterised in that: footstock is provided with upwardly Handrail, handrail is provided with hook.
The ladder that need not put by wall the most according to claim 1, it is characterised in that: described mark time be shaped as fan Shape or square.
CN201610208237.8A 2016-04-04 2016-04-04 Ladder capable of being stored without leaning on wall Pending CN105863486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610208237.8A CN105863486A (en) 2016-04-04 2016-04-04 Ladder capable of being stored without leaning on wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610208237.8A CN105863486A (en) 2016-04-04 2016-04-04 Ladder capable of being stored without leaning on wall

Publications (1)

Publication Number Publication Date
CN105863486A true CN105863486A (en) 2016-08-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610208237.8A Pending CN105863486A (en) 2016-04-04 2016-04-04 Ladder capable of being stored without leaning on wall

Country Status (1)

Country Link
CN (1) CN105863486A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070235255A1 (en) * 2006-04-03 2007-10-11 Wallace John L Combination hunting stand and cart
CN201783884U (en) * 2010-07-29 2011-04-06 何文徽 Vacuum sucker
CN202386533U (en) * 2011-12-21 2012-08-22 中山华帝燃具股份有限公司 Antiskid device of boiler body
CN105048142A (en) * 2015-08-14 2015-11-11 重庆民生变压器有限责任公司 Sectional type boss-interference transformer terminal with high connection reliability
CN204877243U (en) * 2015-09-06 2015-12-16 茹子俊 Ladder
CN205001785U (en) * 2015-09-25 2016-01-27 深圳市大疆创新科技有限公司 Support
CN205532230U (en) * 2016-04-04 2016-08-31 茹朝贵 Ladder that need not put by wall

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070235255A1 (en) * 2006-04-03 2007-10-11 Wallace John L Combination hunting stand and cart
CN201783884U (en) * 2010-07-29 2011-04-06 何文徽 Vacuum sucker
CN202386533U (en) * 2011-12-21 2012-08-22 中山华帝燃具股份有限公司 Antiskid device of boiler body
CN105048142A (en) * 2015-08-14 2015-11-11 重庆民生变压器有限责任公司 Sectional type boss-interference transformer terminal with high connection reliability
CN204877243U (en) * 2015-09-06 2015-12-16 茹子俊 Ladder
CN205001785U (en) * 2015-09-25 2016-01-27 深圳市大疆创新科技有限公司 Support
CN205532230U (en) * 2016-04-04 2016-08-31 茹朝贵 Ladder that need not put by wall

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Application publication date: 20160817

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