CN113236110A - Aluminium system rope ladder convenient to rolling is deposited - Google Patents
Aluminium system rope ladder convenient to rolling is deposited Download PDFInfo
- Publication number
- CN113236110A CN113236110A CN202110516362.6A CN202110516362A CN113236110A CN 113236110 A CN113236110 A CN 113236110A CN 202110516362 A CN202110516362 A CN 202110516362A CN 113236110 A CN113236110 A CN 113236110A
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- CN
- China
- Prior art keywords
- rope
- bolt
- rope ladder
- sleeve
- winding
- 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
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 54
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000004411 aluminium Substances 0.000 title claims abstract description 25
- 238000005096 rolling process Methods 0.000 title claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 150000001398 aluminium Chemical class 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/52—Ladders in general with non-rigid longitudinal members
- E06C1/56—Rope or chain ladders
-
- 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
- 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
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
Abstract
The invention discloses an aluminum rope ladder convenient to wind and store, which comprises a sleeve, a bolt, a clamping strip, a handle and a rope ladder mechanism, wherein the bottom of the sleeve is provided with an opening, the sleeve is fixed between a first support and a second support, the top of the sleeve is fixed with a top cover through a first bolt, the rope ladder mechanism is wound on a rope winding rod, the rope winding rod is rotatably connected to the inner side of the sleeve, and the tail end of the rope ladder mechanism penetrates through the opening to be connected with a steel ball. This aluminium system rope ladder convenient to rolling is deposited, can hand handle hand turn around the rope pole after pulling out the bolt, make things convenient for manual release or rolling rope ladder mechanism, it is in the same place to unscrew the right-hand member and the external drive equipment that usable card strip will wind the rope pole after the second bolt pulls down the handle, later can electrically accomplish the release and the rolling operation of rope ladder mechanism, it is downthehole to insert the bolt with the bolt again after releasing or rolling good rope ladder mechanism and put at the bolt that corresponds, conveniently lock around rope pole and flange, sleeve and top cap play the dirt-proof effect of isolation to rope ladder mechanism.
Description
Technical Field
The invention relates to the technical field of aluminum rope ladders, in particular to an aluminum rope ladder convenient to roll and store.
Background
Rope ladder refers to the ladder of doing with the rope, in order to increase rope ladder's intensity and corrosion resistance, can choose the horizontal pole of aluminium system for use in the middle of the rope of two parallels of rope ladder, aluminum alloy density is low, but intensity is than higher, be close to or exceed high-quality steel, various section bars can be processed into to the plasticity good, good electric conductivity has, heat conductivity and corrosion resistance, current aluminium system rope ladder is deposited after using inconvenient rolling, the dust is easily piled up on the rope ladder surface, and crisscross winding phenomenon easily appears, can influence its next use like this.
Disclosure of Invention
The invention aims to provide an aluminum rope ladder convenient to wind and store, and aims to solve the problems that the existing aluminum rope ladder in the background art is inconvenient to wind and store after being used, dust is easily accumulated on the surface of the rope ladder, and the phenomenon of staggered winding is easily caused, so that the next use of the aluminum rope ladder is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: an aluminum rope ladder convenient for rolling and storage comprises a sleeve, a bolt, a clamping strip, a handle and a rope ladder mechanism,
an opening is formed in the bottom of the sleeve, the sleeve is fixed between the first support and the second support, and a top cover is fixed to the top of the sleeve through a first bolt;
the rope ladder mechanism is wound on the rope winding rod, the rope winding rod is rotatably connected to the inner side of the sleeve, and meanwhile the tail end of the rope ladder mechanism penetrates through the opening to be connected with the steel ball.
Preferably, the bottom of the first support and the bottom of the second support are both fixed with mounting blocks, and the mounting blocks are symmetrically arranged on the first support and the second support.
Preferably, the number of the first bolts is four, and the four first bolts are symmetrically arranged about a vertical central axis of the top cover.
Preferably, the left end of the rope winding rod penetrates through the second support and the right side of the sleeve to be rotatably connected to the left inner wall of the sleeve, and a convex disc is fixed on the outer side of the right end of the rope winding rod.
Preferably, the bolt runs through the flange block and connects in the bolt hole, and the bolt hole is seted up on the right-hand member face of second support, and bolt hole circumference evenly distributed simultaneously.
Preferably, the clamping strips are fixed on the outer surface of the right end of the rope winding rod and located on the right side of the convex disc, and the clamping strips are evenly distributed in the circumferential direction.
Preferably, the handle sleeve is placed on the outer side of the right end of the rope winding rod, and the handle is fixed on the rope winding rod through the second bolt.
Preferably, rope ladder mechanism includes that first winding rope, lifting rope, through-hole, aluminium system horizontal pole, second winding rope, lath, third bolt and sand grip twine on the lifting rope surface, first winding rope runs through the through-hole, and the left and right sides at aluminium system horizontal pole is seted up to the through-hole.
Preferably, the upper and lower both sides of aluminium system horizontal pole all are provided with the second winding rope, and the winding of second winding rope is in the outside of first winding rope, and aluminium system horizontal pole equidistance distributes between the lifting rope simultaneously, the up end of aluminium system horizontal pole is fixed with the lath through the third bolt, and the external fixed surface of lath has the sand grip, and the sand grip equidistance distributes simultaneously.
Compared with the prior art, the invention has the beneficial effects that: the aluminum rope ladder convenient to be rolled and stored,
(1) the rope ladder mechanism is provided with a first support, a second support, an installation block, a top cover, a first bolt and the rope ladder mechanism, wherein the first support and the second support can be fixed at a required place under the action of the installation block and an external bolt, so that the rope ladder mechanism is convenient to install, and the rope ladder mechanism can be installed or replaced after the first bolt is unscrewed and the top cover is detached;
(2) the rope ladder mechanism is convenient to release or wind manually, after the second bolt is unscrewed and the handle is disassembled, the right end of the rope winding rod can be connected with external driving equipment by using the clamping strip, then the releasing and winding operation of the rope ladder mechanism can be completed electrically, after the rope ladder mechanism is released or wound, the bolt is inserted into the corresponding bolt hole, the rope winding rod and the convex disc are convenient to lock, and the sleeve and the top cover play a role in isolating and preventing dust for the rope ladder mechanism;
(3) the rope ladder mechanism is provided with the rope ladder mechanism, the first winding ropes, the lifting ropes, the aluminum cross rods and the second winding ropes, wherein the first winding ropes are wound on the outer sides of the lifting ropes;
(4) be provided with aluminium system horizontal pole, batten, third bolt and sand grip, utilize the third bolt can fix the batten on aluminium system horizontal pole, the friction between end and the batten can be increased to the sand grip of equidistance distribution on the batten, conveniently reaches skid-proof effect.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic diagram of a right-side cross-sectional structure of the present invention;
FIG. 4 is a schematic diagram of a right-view appearance structure of the present invention;
FIG. 5 is a schematic view of a second bracket and mounting block connection structure according to the present invention;
FIG. 6 is a schematic view of the connection structure of the first winding rope, the lifting rope, the through hole, the aluminum cross bar and the second winding rope according to the present invention;
FIG. 7 is a schematic view of the connection structure of the aluminum cross bar, the wood lath, the third bolt and the convex strip according to the present invention.
In the figure: 1. sleeve, 2, opening, 3, first support, 4, second support, 5, installation piece, 6, top cap, 7, first bolt, 8, wiring pole, 9, flange, 10, bolt, 11, bolt hole, 12, card strip, 13, handle, 14, second bolt, 15, rope ladder mechanism, 1501, first winding rope, 1502, lifting rope, 1503, through-hole, 1504, aluminium horizontal pole, 1505, second winding rope, 1506, batten, 1507, third bolt, 1508, sand grip, 16, steel ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: an aluminum rope ladder convenient to wind and store is disclosed, according to the drawings of fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, an opening 2 is arranged at the bottom of a sleeve 1, the sleeve 1 is fixed between a first support 3 and a second support 4, a top cover 6 is fixed at the top of the sleeve 1 through a first bolt 7, mounting blocks 5 are fixed at the bottom of the first support 3 and the bottom of the second support 4, the mounting blocks 5 are symmetrically arranged on the first support 3 and the second support 4, the first support 3 and the second support 4 can be fixed at a required place under the action of the mounting blocks 5 and external bolts, the mounting and dismounting are convenient, the first bolts 7 are four, the four first bolts 7 are symmetrically arranged relative to the vertical central axis of the top cover 6, the rope ladder mechanism 15 can be mounted or replaced after the first bolts 7 are screwed off and the top cover 6 is detached, the top cover 6 can be fixed at the top of the sleeve 1 through the first bolts 7 after the rope ladder mechanism 15 is mounted or replaced, the sleeve 1 and the top cover 6 play a role in isolating and dust prevention for the rope ladder mechanism 15, the left end of the rope winding rod 8 penetrates through the second support 4 and the right side of the sleeve 1 to be rotatably connected to the left inner wall of the sleeve 1, the outer side of the right end of the rope winding rod 8 is fixedly provided with the convex disc 9, after the bolt 10 is pulled down, the handle 13 can be held by a hand to integrally rotate the rope winding rod 8 and the convex disc 9, the rope ladder mechanism 15 is conveniently and manually released or wound, the bolt 10 penetrates through the convex disc 9 to be clamped and connected in the bolt hole 11, the bolt hole 11 is arranged on the right end surface of the second support 4, meanwhile, the bolt holes 11 are uniformly distributed in the circumferential direction, after the pin hole 11 is pulled down and the releasing or winding operation of the rope ladder mechanism 15 is completed, the pin hole 11 is inserted into the corresponding bolt hole 11, the rope winding rod 8 and the convex disc 9 are conveniently locked, the clamping strips 12 are fixed on the outer surface of the right end of the rope winding rod 8, the clamping strips 12 are positioned on the right side of the convex disc 9, and the clamping strips 12 are uniformly distributed in the circumferential direction, it is in the same place to unscrew that second bolt 14 dismantles the right-hand member of rope winding rod 8 and outside drive equipment block with usable card strip 12 after 13, later can be electronic to accomplish the release and the rolling operation of rope ladder mechanism 15, and handle 13 cover is put in the outside of rope winding rod 8 right-hand member, and handle 13 passes through second bolt 14 to be fixed on rope winding rod 8, and the setting of handle 13 can make the manual rotation operation of rope winding rod 8 more convenient.
According to fig. 1, 2, 3, 4, 5, 6 and 7, the rope ladder mechanism 15 is wound on the rope winding rod 8, the rope winding rod 8 is rotatably connected to the inner side of the sleeve 1, the tail end of the rope ladder mechanism 15 is connected with the steel ball 16 through the opening 2, the rope ladder mechanism 15 comprises a first winding rope 1501, a lifting rope 1502, a through hole 1503, an aluminum cross bar 1504, a second winding rope 1505, a wood lath 1506, a third bolt 1507 and a raised strip 1508, the first winding rope 1501 is wound on the outer surface of the lifting rope 1502, the first winding rope 1501 is wound through the through hole 1503, the through hole 1503 is formed in the left side and the right side of the aluminum cross bar 1504, the first winding rope 1501 is wound on the outer surface of the lifting rope 1502 to enable the lifting rope 1502 to be firmer and stronger, the aluminum cross bar is positioned between the two lifting ropes 1502 to facilitate climbing, the upper side and the lower side of the aluminum cross bar 1504 are both provided with the second winding rope 1505, and the outer side of the first winding rope 1501 is provided with the second winding rope 1501, simultaneously aluminium system horizontal pole 1504 equidistance distributes between the lifting rope 1502, the up end of aluminium system horizontal pole 1504 is fixed with the batten 1506 through third bolt 1507, and the surface mounting of batten 1506 has the sand grip 1508, the sand grip 1508 equidistance distributes simultaneously, second winding rope 1505 twines in the outside of first winding rope 1501, and second winding rope 1505 is close to the upper and lower both sides at every aluminium system horizontal pole 1504 both ends, conveniently consolidate every aluminium system horizontal pole 1504, it is more steady to make aluminium system horizontal pole 1504, and can make rope ladder mechanism 15's structure compacter firm, utilize third bolt 1507 to fix the batten 1506 on aluminium system horizontal pole 1504, easy to assemble dismantlement, the sand grip equidistance distribution on batten 1506 can increase the friction of handing over between end and the batten 1506, conveniently reach skid-proof effect.
The working principle of the embodiment is as follows: when the aluminum rope ladder convenient for rolling and storing is used, the first bracket 3 and the second bracket 4 are fixed at a required place by using the mounting block 5 and the external bolt, the rope ladder mechanism 15 is composed of a first winding rope 1501, lifting ropes 1502, a through hole 1503, aluminum crossbars 1504, a second winding rope 1505, a batten 1506, a third bolt 1507 and convex strips 1508, the first winding rope 1501 is wound on the outer sides of the lifting ropes 1502, the aluminum crossbars 1504 are equidistantly distributed among the lifting ropes 1502, the second winding rope 1505 is wound on the first winding rope 1501 near the upper side and the lower side of each aluminum crossbar 1504, the batten 1506 is fixed on the aluminum crossbars 1504 by the third bolt 1507, the convex strips 1508 equidistantly distributed on the battens can increase the friction between the bottom of intersection and the batten 1506 and play a role of skid resistance, the handle 13 can be held by hand to rotate the winding rope 8 after the bolt 10 is pulled out, the rope ladder mechanism 15 is conveniently and manually released or wound, the steel ball 16 plays an auxiliary role in the process of releasing the rope ladder mechanism 15, the bolt 10 is inserted into the corresponding bolt hole 11 after the rope ladder mechanism 15 is released or wound, the rope winding rod 8 and the convex disc 9 are locked, the right end of the rope winding rod 8 can be connected with external driving equipment by using the clamping strip 12 after the handle 13 is unscrewed and the second bolt 14 is detached, then the releasing and winding operation of the rope ladder mechanism 15 can be completed electrically, after the rope ladder mechanism 15 is released, a worker can climb to a high place by means of the rope ladder mechanism 15, the first bolt 7 is unscrewed, the top cover 6 is detached, and the rope ladder mechanism 15 can be replaced, and the content which is not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an aluminium system rope ladder convenient to rolling is deposited, includes sleeve (1), bolt (10), card strip (12), handle (13) and rope ladder mechanism (15), its characterized in that:
an opening (2) is formed in the bottom of the sleeve (1), the sleeve (1) is fixed between the first support (3) and the second support (4), and a top cover (6) is fixed to the top of the sleeve (1) through a first bolt (7);
the rope ladder mechanism (15) is wound on the rope winding rod (8), the rope winding rod (8) is rotatably connected to the inner side of the sleeve (1), and meanwhile the tail end of the rope ladder mechanism (15) penetrates through the opening (2) to be connected with the steel ball (16).
2. The aluminum rope ladder convenient to roll up and store as claimed in claim 1, wherein: the bottom of the first support (3) and the bottom of the second support (4) are both fixed with mounting blocks (5), and the mounting blocks (5) are symmetrically arranged on the first support (3) and the second support (4).
3. The aluminum rope ladder convenient to roll up and store as claimed in claim 1, wherein: the number of the first bolts (7) is four, and the four first bolts (7) are symmetrically arranged relative to the vertical central axis of the top cover (6).
4. The aluminum rope ladder convenient to roll up and store as claimed in claim 1, wherein: the left end of the rope winding rod (8) penetrates through the second support (4) and the right side of the sleeve (1) to be rotatably connected to the left inner wall of the sleeve (1), and a convex disc (9) is fixed on the outer side of the right end of the rope winding rod (8).
5. The aluminum rope ladder convenient to roll up and store as claimed in claim 1, wherein: bolt (10) run through flange (9) block and connect in bolt hole (11), and bolt hole (11) are seted up on the right-hand member face of second support (4), and bolt hole (11) circumference evenly distributed simultaneously.
6. The aluminum rope ladder convenient to roll up and store as claimed in claim 1, wherein: the clamping strips (12) are fixed on the outer surface of the right end of the rope winding rod (8), the clamping strips (12) are located on the right side of the convex disc (9), and the clamping strips (12) are evenly distributed in the circumferential direction.
7. The aluminum rope ladder convenient to roll up and store as claimed in claim 1, wherein: the handle (13) is sleeved on the outer side of the right end of the rope winding rod (8), and the handle (13) is fixed on the rope winding rod (8) through a second bolt (14).
8. The aluminum rope ladder convenient to roll up and store as claimed in claim 1, wherein: rope ladder mechanism (15) include first winding rope (1501), lifting rope (1502), through-hole (1503), aluminium horizontal pole (1504), second winding rope (1505), batten (1506), third bolt (1507) and sand grip (1508), and first winding rope (1501) twines on lifting rope (1502) surface, first winding rope (1501) runs through-hole (1503), and through-hole (1503) are seted up in the left and right sides of aluminium horizontal pole (1504).
9. The aluminum rope ladder convenient to roll up and store as claimed in claim 8, wherein: the upper and lower both sides of aluminium system horizontal pole (1504) all are provided with second winding rope (1505), and the outside at first winding rope (1501) is twined in second winding rope (1505), and aluminium system horizontal pole (1504) equidistance distributes between lifting rope (1502) simultaneously, the up end of aluminium system horizontal pole (1504) is fixed with batten (1506) through third bolt (1507), and the surface mounting of batten (1506) has sand grip (1508), and sand grip (1508) equidistance distributes simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516362.6A CN113236110A (en) | 2021-05-12 | 2021-05-12 | Aluminium system rope ladder convenient to rolling is deposited |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516362.6A CN113236110A (en) | 2021-05-12 | 2021-05-12 | Aluminium system rope ladder convenient to rolling is deposited |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113236110A true CN113236110A (en) | 2021-08-10 |
Family
ID=77133708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110516362.6A Pending CN113236110A (en) | 2021-05-12 | 2021-05-12 | Aluminium system rope ladder convenient to rolling is deposited |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113236110A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201934007U (en) * | 2010-12-29 | 2011-08-17 | 上海太比雅电力设备有限公司 | Belt-type rolling ladder |
| CN202245871U (en) * | 2011-08-16 | 2012-05-30 | 无锡市东舟船舶附件有限公司 | Rope ladder winch mechanism of hydraulic pilot side door |
| CN210278008U (en) * | 2019-12-12 | 2020-04-10 | 海南泰和鸿鼎实业有限公司 | High-rise stair descending equipment |
| CN211524689U (en) * | 2018-08-09 | 2020-09-18 | 滁州职业技术学院 | Rope ladder for escaping from outside of building |
| CN112211353A (en) * | 2020-11-02 | 2021-01-12 | 浙江中南建设集团钢结构有限公司 | Rope ladder for mounting metal roof panel and mounting method of metal roof panel |
-
2021
- 2021-05-12 CN CN202110516362.6A patent/CN113236110A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201934007U (en) * | 2010-12-29 | 2011-08-17 | 上海太比雅电力设备有限公司 | Belt-type rolling ladder |
| CN202245871U (en) * | 2011-08-16 | 2012-05-30 | 无锡市东舟船舶附件有限公司 | Rope ladder winch mechanism of hydraulic pilot side door |
| CN211524689U (en) * | 2018-08-09 | 2020-09-18 | 滁州职业技术学院 | Rope ladder for escaping from outside of building |
| CN210278008U (en) * | 2019-12-12 | 2020-04-10 | 海南泰和鸿鼎实业有限公司 | High-rise stair descending equipment |
| CN112211353A (en) * | 2020-11-02 | 2021-01-12 | 浙江中南建设集团钢结构有限公司 | Rope ladder for mounting metal roof panel and mounting method of metal roof panel |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210810 |
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| RJ01 | Rejection of invention patent application after publication |