CN101864890B - Assembling structure of ladder landing and ladder thereof - Google Patents
Assembling structure of ladder landing and ladder thereof Download PDFInfo
- Publication number
- CN101864890B CN101864890B CN2010102151099A CN201010215109A CN101864890B CN 101864890 B CN101864890 B CN 101864890B CN 2010102151099 A CN2010102151099 A CN 2010102151099A CN 201010215109 A CN201010215109 A CN 201010215109A CN 101864890 B CN101864890 B CN 101864890B
- Authority
- CN
- China
- Prior art keywords
- ladder
- spring
- terraced platform
- connecting rod
- pilot hole
- 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.)
- Active
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The invention discloses an assembling structure of a ladder landing and a ladder thereof, which relate to the field of ladders and relate to the assembling structure of a foldable ladder landing or a pedal locking part and the ladder thereof. The assembling structure comprises the ladder landing, wherein the ladder landing is provided with a lock hook; the lock hook is used for locking ladder rung; the lock hook is integrally formed by a assembling part and a hooking part; the lock hook has preset thickness and is formed with the crest plane of the assembling part and the crest plane of the hooking part, wherein the crest plane of the assembling part is a contact surface which is anastomotic with the ladder landing; the assembling part is provided with a slideway hole for a pin shaft to slide; the crest plane of the hooking part is provided with a spring assembling bolt used for installing a spring; one end of the spring is mounted on the spring assembling bolt, and the other end thereof is supported by the lateral wall of the ladder landing; the hooking part is provided with a touch end capable of touching the ladder rung; the assembling part and the hooking part form a hook slot capable of accommodating the ladder rung; the bottom of the ladder landing is provided with an assembled slot for installing the lock hook; the assembled slot is provided with pin shaft hole for fixedly installing the pin shaft; and pin shaft limit key capable of limiting the sliding position of the lock hook is arranged adjacent to the pin shaft hole.
Description
Technical field
This case belongs to the ladder field, relates to the assembling structure and the ladder thereof of folding terraced platform or pedal lock part.
Background technology
For the ladder with foldable platforms, safety locking platform, quick-folding platform make every effort on this basis that structure is simpler, material is more saved, and is the continuous pursuit of industry.
As the method for disclosed Chinese patent 01125580.3 step stool and assembling step stool, introduced: assemble a framework including a front leg and a rear leg, back leg is connected on the foreleg, can open and use the position and merging is swayed between storage location relatively; Assemble a pedal that is connected on the foreleg, this pedal can sway between horizontal use location and storage location relatively; Assemble a connector, this connector comprises a body and an axle that is connected on body and the pedal; Assemble a joint elbow that is connected on the body.Comprise that also the fit engagement elbow makes it be meshed with back leg, like this when pedal when horizontal use location moves to storage location, back leg can correspondingly move to the merging storage location from opening and using the position.
The architecture advances of 200420019380.5 1 kinds of terraced chairs of and for example disclosed Chinese patent, it is made up of side arm, middle frame, two binding groups and after-frame; Side arm is leading portion two sides of counting pedal for pivot in the middle of ㄇ shape support body and the tow side section admittedly; The support body that middle frame is made up of two montants and four crosspiece solid weldings; In the middle of second and third crosspiece of frame two montants, being was an end and middle frame two montant fits, end is constructed with the slidably binding that the after-frame pivot closes in addition during the binding group was located in, and its binding group is made up of left piece, right piece, connecting rod and snap close piece; The center that an inclined-plane and left piece are established in top, the outer end of its left piece is to dividing into a ㄈ shape groove, and the inner of left piece is provided with horizontal pole perforating hole; In the inner correspondence of its right piece the montant diameter of frame establish a vertical half slot and outside end be provided with horizontal pole perforating hole, and the sidewall of right piece is provided with the caulking groove person who supplies left piece the inner to push; Its connecting rod is a laying rod piece of wearing the pole perforating hole of the pole perforating hole that passes through right piece and left piece; Snap close piece is to be sheathed on colluding of connecting rod stage casing to anchor the position structure; It is solid that the support body that after-frame is made up of across bar two montants and, the top of its after-frame are used the tow side section pivot of screw tightening and side arm, and two montant inwall correspondences of after-frame are provided with two hinged arm grooves, and this two hinged arms groove can supply two ends of connecting rod to embed; By slidably binding group can make terraced chair in support when steadily firm and terraced chair folds during exhibition width fall sharply to be beneficial to and take in, and terraced chair fold the operation simple and convenient.
The assembled configuration of disclosed for another example Chinese patent 200620026166.1 terraced supporting plates; This ladder supporting plate becomes and can be journaled on the ladder around first cross bar rotation attitude; This first cross bar is horizontal between main ladder frame, and wherein, described terraced supporting plate is assembled by the profile plate of the primary and secondary buckling structure with adjacency.The structure setting of this case makes terraced supporting plate and terraced pedal can use the section bar manufacturing of same specification, reaches the purpose that reduces manufacturing cost.
For the mature technology of this type of ladder, what much more more the audient pursued is the improvement of product details, although the progress of details is more difficult.The modular construction of industry expectation ladder is more solid, and parts lightweight more, and ladder more steady, security performance are better, and ladder is lighter, more saves material, and manufacturing cost is lower.
Summary of the invention
Problem to be solved by this invention is to overcome the above-mentioned defective that aforementioned techniques exists; And a kind of platform locking structure and ladder thereof that is used for ladder is provided, so that the ladder structure more simply, more optimizes, so that ladder lightweight more; More save material, safety also needs more secure.
Technical solution problem of the present invention takes following technical scheme to realize, the terraced platform assembling structure according to a kind of ladder provided by the invention comprises terraced platform, and wherein: on the said terraced platform latch hook is installed, this latch hook is used to lock step; Said latch hook is integrally formed by department of assembly and hooked part, and this latch hook has preset thickness, forms department of assembly's crestal surface and hooked part crestal surface, and said department of assembly crestal surface is the contact surface that coincide with terraced platform, and this department of assembly has the skidway hole that holds pin slide; The hooked part crestal surface has spring assembling bolt, is used for mounting spring; Spring one end seat is on spring assembling bolt, and the other end holds by terraced platform lateral wall; Said hooked part has the touching end G that can touch step; Touching end G is the touching tip that can form some contact; This department of assembly and hooked part form the hook groove that can hold step;
The bottom of said terraced platform has the assembly type groove that latch hook is installed, and the department of assembly that this assembly type groove is used to hold latch hook sets wherein; Said assembly type groove has the pin shaft hole that the appearance bearing pin installs, and the abutment pin axis hole can be provided with the bearing pin positive stop key of restriction latch hook sliding position.
This case technical solution problem can also take following technical scheme further to realize:
The terraced platform assembling structure of aforementioned ladder; Wherein: said terraced platform lateral wall is stretched and is established the spring containing cavity; This spring containing cavity has predetermined depth; This spring holding part is corresponding with the spring assembling bolt of latch hook hooked part crestal surface, and this spring holding part is provided with the spring fixed part, and this spring fixed part is made up of two spring positive stop keys that can block spring.
The terraced platform assembling structure of aforementioned ladder, wherein: also dispose the attacker on the hooked part crestal surface of said latch hook; Be used to spur latch hook in the effect lower edge of spring skidway hole direction slides in telescopic.
The terraced platform assembling structure of aforementioned ladder, wherein: the step limiting section is set on the terraced platform, is responsible for moving with latch hook engagement limits step.
Aforementioned ladder ladder platform assembling structure, wherein: the step limiting section is provided with 2 or 3 or 4.
The terraced platform assembling structure of aforementioned ladder, wherein: the step limiting section of the assembly type groove in the said terraced platform, bearing pin positive stop key, spring containing cavity, spring fixed part, terraced platform is all one-body molded.
Technical solution problem of the present invention takes following technical scheme to realize; According to a kind of ladder provided by the invention with aforementioned arbitrary terraced platform assembling structure; Comprise main ladder, secondary ladder and be installed in the terraced platform between main ladder and the secondary ladder; Wherein: also have connecting rod to be installed on the terraced platform, be responsible for secondary ladder of drive and main ladder and close up; The fixed end of connecting rod is journaled on the terraced platform, and connecting rod can rotate around terraced platform; The free end of connecting rod is connected with the step of secondary ladder or main ladder.
This case technical solution problem can also take following technical scheme further to realize:
Aforesaid ladder; Wherein: said connecting rod one end has first pilot hole that can be sleeved on the step; The other end of connecting rod has second pilot hole that can be installed in terraced platform fixed position, and first pilot hole is greater than second pilot hole, the integrally formed pilot hole flange in the edge of first pilot hole and second pilot hole; And first pilot hole, second pilot hole all have endoporus and meet face, this endoporus meet face can be assembled member formation face and contact.
Aforesaid ladder; Wherein: two circumscribed lines between first pilot hole of said connecting rod and second pilot hole form first, second edge of connecting rod, the outside flange of first, second edge of this connecting rod and first pilot hole and the integrally formed connecting rod of the second pilot hole outer rim.
Aforesaid ladder, wherein: said connecting rod one injection molding becomes, and the middle part of this connecting rod has hollow hole.
The present invention compared with prior art has significant advantage and beneficial effect.
Can know by above technical scheme; The present invention has following advantage at least in the configuration of the structure of excellence down: the reasonable setting of the terraced platform assembling structure of this case makes more lightweight of the more solid and parts of the modular construction of terraced platform assembled portion; This case ladder stabilizer property, safety are more secure; And ladder is lighter, and the reasonable structure of this case can make manufacturing process more optimize again, the industry of being more convenient for promotion and application.
The specific embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is the structural representation of this case ladder;
Fig. 1 a is the local assembling decomposition texture sketch map that amplifies of Fig. 1;
Fig. 2 is the local assembling decomposition texture sketch map that amplifies of this case ladder;
Fig. 2 a is the local enlarged diagram of Fig. 2;
Fig. 3 is the cross-section structure sketch map of this case ladder platform assembling structure;
Fig. 4 is this case ladder platform assembling structure assembling decomposition texture sketch map at another visual angle;
Fig. 4 a is the local structural representation that amplifies in the bottom of terraced platform;
Fig. 5 is during this case ladder uses, the plane structure structural representation of collapse state;
Fig. 5 a is during this case ladder uses, the plane structure structural representation of opening procedure;
Fig. 5 b is during this case ladder uses, all the plane structure structural representation of open mode;
Fig. 5 c is during this case ladder uses, and prepares the plane structure structural representation of collapse state.
The specific embodiment
Below in conjunction with preferred embodiment, to according to the specific embodiment provided by the invention, characteristic and effect thereof, specify as after; For simple and purpose clearly, the omission that hereinafter is appropriate the description of known technology, in order to avoid those unnecessary details influences are to the description of present technique scheme.
Shown in Fig. 1-5, a kind of ladder comprises main ladder 1, secondary terraced 2 and is installed in the terraced platform 3 between main ladder and the secondary ladder,
The assembling structure of said terraced platform is: terraced platform one end is installed on main ladder or the secondary ladder through pivot 10; The other end can ride on the corresponding step 20 of secondary ladder or main ladder; The step of support ladder platform and pivot are adorned the pivot 10 corresponding configurations of terraced platform, and at grade; On the ladder platform 3 latch hook 5 is installed, is responsible for making the step of terraced platform and secondary ladder or main ladder to lock; During use, terraced platform is at horizontal level, and terraced platform is by its bottom surface latch hook locking, and when folding, latch hook breaks away from step, and terraced platform relatively rotates around pivot 10, folds on the main ladder or secondary ladder at pivot place;
Common terraced platform is installed in upper level, does not also get rid of the possibility that terraced platform is installed in other step; Fig. 1 has provided the pivot dress end of terraced platform on main ladder, and the situation of step on secondary ladder of support ladder platform do not got rid of opposite situation yet, and the pivot dress end of terraced platform is on secondary ladder, and the step of support ladder platform is on main ladder; Wherein,
Latch hook 5 is installed on the terraced platform 3 through bearing pin 501,502, is used to hook the step of secondary ladder or main ladder, realizes the locking of terraced platform and step;
Said latch hook is by department of assembly 51 and hooked part 52 integrally formed " L " shape structure; This latch hook has preset thickness a, forms department of assembly's crestal surface 510 and hooked part crestal surface 520, and department of assembly's crestal surface is the contact surface that coincide with terraced platform bottom; Thus; Department of assembly's crestal surface can steadily combine with the contact surface of terraced platform, and the hooked part crestal surface has spring assembling bolt 521, is used for mounting spring 6; Also dispose attacker 522 on the hooked part crestal surface, be used to spur the length direction slides in telescopic of latch hook skidway hole 511,512 in the effect lower edge of spring;
Said hooked part has the touching end G that can touch step; It is most advanced and sophisticated, more laborsaving that this touching end G is made as the touching that can form some contact; See Fig. 5 a, the setting of the touching end G of latch hook can be when opening ladder, and the touching end of latch hook receives the collision of step 20; The stressed opposite direction to f of latch hook moves, and spring is compressed, when terraced platform forwards horizontal level to; Spring reset, latch hook also " have been held " step 20 tightly, have realized locking;
This department of assembly and hooked part form the hook groove 54 that can hold step (or cross bar);
Said department of assembly has the skidway hole 511,512 that holds bearing pin 501,502 slips, and skidway hole has assembling and two functions of slideway concurrently thus; Moreover; Because latch hook has preset thickness; The skidway hole of said department of assembly is also corresponding to have a width, and the hook groove that said department of assembly and hooked part form is also corresponding to have a width, and bearing pin also is into face with skidway hole and contacts thus; The hook groove also has the contact surface that can coincide and contact with step, thereby effectively improves the stationarity of parts combination;
The bottom of said terraced platform 3 has the assembly type groove 30 that latch hook is installed, and the department of assembly that this assembly type groove is used to hold latch hook sets wherein; Said assembly type groove has pin shaft hole 301a, the 301b that appearance bearing pin 501,502 installs, and the abutment pin axis hole can be provided with bearing pin positive stop key 302a, the 302b of restriction latch hook sliding position; Spring 6 one end seats are on spring assembling bolt, and the other end holds by terraced platform 3 lateral walls;
Further, said terraced platform 3 lateral walls are stretched and are established spring containing cavity 303, and this spring containing cavity has predetermined depth b; This spring holding part is corresponding with the spring assembling bolt 521 of latch hook hooked part crestal surface; This spring holding part is provided with spring fixed part 3036, and this spring fixed part 3036 is made up of two spring positive stop keys that can block spring, and structure is provided with thus; Can more convenient technology assemble, improve frock efficient;
On the ladder platform step limiting section 304 is set, is responsible for moving with latch hook engagement limits step; Said step limiting section 304 is uniformly distributed with setting according to the length of step, can be provided with 1 or 2 or 3 or 4 or a plurality of;
When terraced platform is positioned at horizontal level; The step of support ladder platform has three dimension faces all in the embracing of latch hook; Be the step first dimension face W1, step two-dimensional surface W2, step third dimension face W3; The step limiting section of ladder platform just can be replaced the fourth dimension face W4 of step, and the step limiting section of terraced platform combines formation to encircle stepped configuration with latch hook thus, effectively raises the steadiness and the safety of terraced platform;
Said terraced platform 3 one-piece type one-tenth; Be provided with all can be one-body molded for the structures such as step limiting section of assembly type groove 30, bearing pin positive stop key 302a, 302b, spring containing cavity 303, spring fixed part 3036, terraced platform thus; Can effectively reduce manufacturing cost, improve frock efficient, improve safety;
The assembling structure that terraced platform of constructing thus and latch hook constitute terraced platform;
Also have; Connecting rod 4 is responsible for when folding ladder platform 3, driving secondary ladder simultaneously and main ladder closes up, but this connecting rod one injection molding one-tenth, and connecting rod one end has first pilot hole 42 that can be sleeved on the step 20; The other end of connecting rod has second pilot hole 43 that can be installed in terraced platform fixed position; First pilot hole is greater than second pilot hole, the integrally formed pilot hole flange in the edge of first pilot hole and second pilot hole, and first pilot hole, second pilot hole all have endoporus and meet face; On the one hand the connecting rod pilot hole can form and be assembled the contact endoporus of broad of member and meet face 420, the contact of formation face, thereby the stationarity and the safety that can effectively improve the terraced member that cooperatively interacts; Equally, second pilot hole also forms endoporus and meets face; On the other hand, the pilot hole flange also can effectively be strengthened the intensity of connecting rod; The said member that is assembled refers to step 20 or terraced platform fixed point pivot 34 here;
Two circumscribed lines between first pilot hole and second pilot hole form the first edge 41a, the second edge 41b of connecting rod; The outside flange 41 of first, second edge of this connecting rod and first pilot hole and the integrally formed connecting rod of the second pilot hole outer rim; Can effectively strengthen the intensity, particularly plastic item connecting rod of connecting rod thus; The middle part of connecting rod has hollow hole, so far, can be under the situation that satisfies the connecting rod preset strength saving member material more;
Shown in Fig. 5,5a, 5b, 5c, ladder from collapse state to the open mode process, the closed or tectonic relationship between ladder platform and latch hook and the ladder when opening of ladder, pulling latch hook 5, to apply power be F, can make latch hook disengaging step 20; F is when opening ladder, and in the process of terraced platform trend level, spring is to the active force of latch hook, and latch hook is the locking step under the effect of spring.
After the preferred embodiment that specifies, be familiar with this technological personage and can clearly understand, do not break away from following claim with spiritual under can carry out various variations and modification, and the present invention also is not subject to the embodiment of the embodiment that lifts in the manual.
Claims (10)
1. the terraced platform assembling structure of a ladder comprises terraced platform, it is characterized in that: said terraced platform (3) is gone up latch hook (5) is installed, and this latch hook is used to lock step; Said latch hook is integrally formed by department of assembly (51) and hooked part (52); This latch hook has preset thickness; Form department of assembly's crestal surface (510) and hooked part crestal surface (520); Said department of assembly crestal surface is the contact surface that coincide with terraced platform, and this department of assembly has the skidway hole (511,512) that appearance bearing pin (501,502) slides; The hooked part crestal surface has spring assembling bolt (521), is used for mounting spring (6); Spring (6) one end seats are on spring assembling bolt, and the other end holds by terraced platform (3) lateral wall; Said hooked part has the touching end that can touch step; This department of assembly and hooked part form the hook groove (54) that can hold step;
The bottom of said terraced platform (3) has the assembly type groove (30) that latch hook is installed; Said assembly type groove has the pin shaft hole (301a, 301b) that appearance bearing pin (501,502) installs, and the abutment pin axis hole is provided with the bearing pin positive stop key (302a, 302b) that can limit the latch hook sliding position.
2. the terraced platform assembling structure of ladder according to claim 1; It is characterized in that: said terraced platform (3) lateral wall is stretched and is established spring containing cavity (303); This spring containing cavity has predetermined depth; This spring containing cavity is corresponding with the spring assembling bolt (521) of latch hook hooked part crestal surface, and this spring containing cavity is provided with spring fixed part (3036), and this spring fixed part (3036) is made up of two spring positive stop keys that can block spring.
3. like the terraced platform assembling structure of the said ladder of claim 2, it is characterized in that: also dispose attacker (522) on the hooked part crestal surface of said latch hook; Be used to spur latch hook in the effect lower edge of spring skidway hole (511,512) direction slides in telescopic.
4. like the terraced platform assembling structure of the said ladder of claim 3, it is characterized in that: step limiting section (304) is set on the terraced platform, is responsible for moving with latch hook engagement limits step.
5. like the terraced platform assembling structure of the said ladder of claim 4, it is characterized in that: said step limiting section (304) is provided with 2 or 3 or 4.
6. like the terraced platform assembling structure of the said ladder of claim 5, it is characterized in that: the step limiting section of the assembly type groove (30) in the said terraced platform, bearing pin positive stop key (302a, 302b), spring containing cavity (303), spring fixed part (3036), terraced platform is all one-body molded.
7. ladder with the arbitrary terraced platform assembling structure of aforementioned 1-6, comprise main ladder (1), secondary ladder (2) and be installed in main ladder with secondary ladder between terraced platform (3), it is characterized in that: also have connecting rod (4) to be installed on the terraced platform, be responsible for secondary ladder of drive and main ladder and close up; The fixed end of connecting rod is journaled on the terraced platform, and connecting rod can rotate around terraced platform; The free end of connecting rod is connected with the step (20) of secondary ladder or main ladder.
8. ladder as claimed in claim 7; It is characterized in that: said connecting rod one end has first pilot hole (42) that can be sleeved on the step (20); The other end of connecting rod has second pilot hole (43) that can be installed in terraced platform fixed position, and first pilot hole is greater than second pilot hole, the integrally formed pilot hole flange in the edge of first pilot hole and second pilot hole; And first pilot hole, second pilot hole all have endoporus and meet face, this endoporus meet face can be assembled member formation face and contact.
9. ladder as claimed in claim 8; It is characterized in that: two circumscribed lines between first pilot hole of said connecting rod and second pilot hole form first, second edge of connecting rod, the outside flange (41) of first, second edge of this connecting rod and first pilot hole and the integrally formed connecting rod of the second pilot hole outer rim.
10. ladder as claimed in claim 9 is characterized in that: said connecting rod integrated injection molding, the middle part of this connecting rod has hollow hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102151099A CN101864890B (en) | 2010-07-01 | 2010-07-01 | Assembling structure of ladder landing and ladder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102151099A CN101864890B (en) | 2010-07-01 | 2010-07-01 | Assembling structure of ladder landing and ladder thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101864890A CN101864890A (en) | 2010-10-20 |
| CN101864890B true CN101864890B (en) | 2012-02-01 |
Family
ID=42956797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102151099A Active CN101864890B (en) | 2010-07-01 | 2010-07-01 | Assembling structure of ladder landing and ladder thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101864890B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493759B (en) * | 2011-11-24 | 2013-11-13 | 金华电业局 | Insulating lifting platform for live-line working of tubular bus-bar |
| CN104594794B (en) * | 2015-01-27 | 2016-08-24 | 宁波兴富工具有限公司 | The working stand that can use as work platforms |
| CN107178306B (en) * | 2017-07-20 | 2023-05-26 | 苏交科集团股份有限公司 | Assembled stair for bridge detection and application method thereof |
| CN111197457B (en) * | 2020-03-02 | 2021-09-14 | 中电国际新能源控股有限公司 | Power system is with maintenance ladder convenient to accomodate and use more laborsaving |
| CN113047766A (en) * | 2021-04-02 | 2021-06-29 | 苏州莱恩精工合金股份有限公司 | Internal and external ladder locking device and multifunctional ladder comprising same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2813866Y (en) * | 2005-08-23 | 2006-09-06 | 天津市金锚集团有限责任公司 | Clamping hook device for ladder platform |
| WO2008041156A2 (en) * | 2006-10-06 | 2008-04-10 | Harold Bremner Sharp | A-framed step ladder with slidably displaceable extension member |
| CN201250604Y (en) * | 2008-09-18 | 2009-06-03 | 天津市金锚集团有限责任公司 | Latch hook unit for ladder |
| CN201730536U (en) * | 2010-07-01 | 2011-02-02 | 天津市金锚集团有限责任公司 | Improved ladder platform assembly structure and ladder thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070039779A1 (en) * | 2005-08-18 | 2007-02-22 | Loren Ellingson | Hunting stand |
-
2010
- 2010-07-01 CN CN2010102151099A patent/CN101864890B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2813866Y (en) * | 2005-08-23 | 2006-09-06 | 天津市金锚集团有限责任公司 | Clamping hook device for ladder platform |
| WO2008041156A2 (en) * | 2006-10-06 | 2008-04-10 | Harold Bremner Sharp | A-framed step ladder with slidably displaceable extension member |
| CN201250604Y (en) * | 2008-09-18 | 2009-06-03 | 天津市金锚集团有限责任公司 | Latch hook unit for ladder |
| CN201730536U (en) * | 2010-07-01 | 2011-02-02 | 天津市金锚集团有限责任公司 | Improved ladder platform assembly structure and ladder thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101864890A (en) | 2010-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101864890B (en) | Assembling structure of ladder landing and ladder thereof | |
| JP3162474U (en) | Ladder and wheelbarrow combination device | |
| CN104943724A (en) | Frame for baby carriages | |
| CN201802708U (en) | Movable buckle | |
| CN201609226U (en) | Folding chair | |
| CN201730536U (en) | Improved ladder platform assembly structure and ladder thereof | |
| CN112932158B (en) | Folding wall bed with sofa | |
| CN201345455Y (en) | Detachment-prevention structure for pluggable module | |
| CN101892804B (en) | Ladder | |
| CN204105362U (en) | New steel structure folding seat | |
| CN212213148U (en) | Simple and easy liftable agricultural operation removes chair | |
| CN205523785U (en) | Rear -row seat of automobile | |
| CN204161422U (en) | A kind of folding baby carrier | |
| CN207177715U (en) | A kind of ladder | |
| CN102206989A (en) | Ladder working platform with locking structure and combined ladder thereof | |
| CN201135249Y (en) | Movable hanging cupboard | |
| CN201730532U (en) | Ladder with improved ladder platform assembling structure and ladder frame lock | |
| CN101396210B (en) | Folding ladder stool and folding ladder bar and folding chair | |
| CN204091317U (en) | A kind of dining table | |
| CN208002457U (en) | A kind of chair | |
| CN204571141U (en) | Foldable stair | |
| CN201946808U (en) | Wall socket | |
| CN201320016Y (en) | Bar stool | |
| CN213330164U (en) | Multifunctional ladder for building construction | |
| CN202335607U (en) | Multifunctional chair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180620 Address after: 300000 No. 980, Nan Jin Wai Road, North Sun Zhuang village, Da Zhang Zhuang Town, Beichen District, Tianjin Patentee after: Tianjin Jinmao Home Products Co., Ltd. Address before: 300402 East 980, jinchong Road, Da Zhang Zhuang Town, Beichen District, Tianjin Patentee before: Jinmao Group Co., Ltd., Tianjin City |