CN108792404A - A kind of smart home carrying adjustable support seat - Google Patents
A kind of smart home carrying adjustable support seat Download PDFInfo
- Publication number
- CN108792404A CN108792404A CN201810723502.5A CN201810723502A CN108792404A CN 108792404 A CN108792404 A CN 108792404A CN 201810723502 A CN201810723502 A CN 201810723502A CN 108792404 A CN108792404 A CN 108792404A
- Authority
- CN
- China
- Prior art keywords
- supporting table
- smart home
- screw thread
- support seat
- adjustable support
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G7/00—Devices for assisting manual moving or tilting heavy loads
- B65G7/02—Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads
- B65G7/04—Rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G7/00—Devices for assisting manual moving or tilting heavy loads
- B65G7/02—Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads
Landscapes
- Legs For Furniture In General (AREA)
Abstract
The invention discloses a kind of smart home carrying adjustable support seat, adjustment axis is installed with the shaft through adjustable shelf far from supporting table one end；The supporting table rotated down formula, which is equipped with, adjusts threaded rod, two screw shells being connect respectively with the first screw thread and the second screw thread are arranged on the adjusting threaded rod, structure of the invention is ingenious, it can be realized to the extending transversely of the present apparatus by rotational handle, it realizes to the carrying and support of the intelligentized Furniture of different in width, substantially increases the ease for use and controllability of actual use；The angle rotation of pull rod is realized by the forward or reverse of clockwise and anticlockwise motor, and then it realizes the stretching, extension or storage of universal wheel, the present apparatus is used as support base when universal wheel is stored, the present apparatus realizes the mobile carrying to intelligentized Furniture as handling device when universal wheel stretches, it is simple to operate, the inconvenient problem of the current intelligentized Furniture pedestal that effectively solves.
Description
Technical field
The present invention relates to Smart Home technical field, specifically a kind of smart home, which is carried, uses adjustable support seat.
Background technology
Smart home is to be connected together the various equipment in family by technology of Internet of things using house as platform, is realized
A kind of intelligentized ecosystem.It has lamps intelligent control, intelligent electric appliance control, safety defense monitoring system, intelligent background sound
The functions such as happy, intelligent video is shared, visible dialogue system and household audio and video system.
Currently, a part of the intelligentized Furniture as smart home, part intelligentized Furniture is more heavy, and it is inconvenient to carry, in order to
Make furniture that there is preferable anti-skidding, damping effect, to which the pedestal of damping, the bottom surface of existing pedestal be arranged in the foot of furniture
In order to have preferable antiskid function, to be generally set to plane, and there is larger roughness；But its pedestal is for furniture
It is very inconvenient to carry, and the worker carried can be given to cause very big trouble, and therefore, being used at present there is an urgent need for a kind of carrying of smart home can
Mode support base, to facilitate carrying and the support placement to intelligentized Furniture.
Invention content
The purpose of the present invention is to provide a kind of smart home carrying adjustable support seats, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：
A kind of smart home carrying adjustable support seat, including supporting table and the activity for passing through adjustment axis and adjusting axis connection
Frame, the supporting table is interior to be equipped with cavity, and supporting table bottom surface is installed with support leg vertically, and adjustment axis threaded connection extend into branch
It supports in platform, the adjustment axis is installed with the shaft through adjustable shelf far from supporting table one end；The supporting table rotated down
Formula, which is equipped with, adjusts threaded rod, and the adjusting threaded rod left-half and right half part surface are attacked respectively equipped with the first screw thread and second
The thread rotary orientation of screw thread, the first screw thread and the second screw thread on the contrary, be arranged on the adjusting threaded rod respectively with the first screw thread and
Two screw shells of the second screw thread connection, the screw shell bottom are installed with limit shaft vertically, on limit shaft
Sliding sleeve is equipped with sliding sleeve, and the supporting table bottom surface is hung vertically equipped with hanger, and hanger lower end rotary type is equipped with L-shaped supporting rack, L
Shape supporting rack is equipped with universal wheel close to support leg one end, and L-shaped supporting rack is far from hinged between support leg one end and sliding sleeve
There is pull rod.
Scheme as an improvement of the present invention：Clockwise and anticlockwise motor is installed in the cavity, clockwise and anticlockwise motor
Output shaft is coaxially installed with driving gear, is arranged to be installed in the middle part of the adjusting threaded rod and engages company with driving gear
The driven gear connect.
Scheme as an improvement of the present invention：The shaft is pivotally connected by bearing and adjustable shelf, and shaft is far from supporting table
One end is installed with handle.
Scheme as an improvement of the present invention：The supporting table bottom surface laterally offers guide groove, on screw shell
End is fixedly mounted sliding and is embedded the guide runner in guide groove.
Scheme as an improvement of the present invention：Movable sleeve is equipped with damping spring, damping spring upper end on the limit shaft
It is fixed on screw shell bottom surface, damping spring lower end is fixed on dynamic casing upper surface, and limit shaft lower end is installed with diameter
More than the limit bottom plate of sliding sleeve outer diameter.
Scheme as an improvement of the present invention：The support leg is platy structure.
Scheme as an improvement of the present invention：The hanger side wall is installed with pole, and pole lower end is fixedly mounted
Have and correspond to position stopping arch plate vertically with L-shaped supporting rack, the L-shaped supporting rack is that two isometric straight-bar vertical weldings are fixed.
Compared with prior art, the beneficial effects of the invention are as follows：
Structure of the invention is ingenious, reasonable design, can be realized to the extending transversely of the present apparatus, be realized to different width by rotational handle
The carrying and support of the intelligentized Furniture of degree substantially increase the ease for use and controllability of actual use；Pass through clockwise and anticlockwise motor
Forward or reverse realize the angle rotation of pull rod, and then realize the stretching, extension or storage of universal wheel, sheet when universal wheel is stored
Device is used as support base, and the present apparatus realizes the mobile carrying to intelligentized Furniture, behaviour as handling device when universal wheel stretches
Make simple and convenient, the inconvenient problem of the current intelligentized Furniture pedestal that effectively solves.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the enlarged diagram in the portions A in Fig. 1；
Fig. 3 is the schematic top plan view of the structure of the present invention；
Fig. 4 is the schematic side view of position stopping arch plate in the present invention.
In figure：1- supporting tables, 2- cavitys, the first screw threads of 3-, 4- adjustment axis, 5- adjustable shelfs, 6- shafts, 7- handles, 8- branch
Support leg, 9- position stopping arch plates, 10- poles, 11- pull rods, 12-L shapes supporting rack, 13- universal wheels, 14- adjustings threaded rod, 15- are driven
Gear, 16- driving gears, 17- clockwise and anticlockwise motors, 18- guide grooves, 19- guide runners, 20- screw shells, the second screw threads of 21-,
22- damping springs, 23- limits bottom plate, 24- limit shafts, 25- sliding sleeves, 26- hangers.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment：
Embodiment 1
Please refer to Fig.1-4, a kind of smart home, which is carried, uses adjustable support seat, including supporting table 1 and passes through adjustment axis 4 and adjust
The adjustable shelf 5 that axis 4 connects, the supporting table 1 is interior to be equipped with cavity 2, and 1 bottom surface of supporting table is installed with support leg 8 vertically, supports
Leg 8 is platy structure；The threaded connection of adjustment axis 4 is extend into supporting table 1, and the adjustment axis 4 is fixed far from 1 one end of supporting table pacifies
Equipped with the shaft 6 through adjustable shelf 5；1 rotated down formula of the supporting table, which is equipped with, adjusts threaded rod 14, the adjusting threaded rod 14
Left-half and right half part surface are attacked respectively equipped with the first screw thread 3 and the second screw thread 21, the first screw thread 3 and the second screw thread 21
Thread rotary orientation on the adjusting threaded rod 14 on the contrary, be arranged with two be threadedly coupled respectively with the first screw thread 3 and the second screw thread 21
A screw shell 20,20 bottom of the screw shell are installed with limit shaft 24 vertically, and sliding sleeve is equipped with cunning on limit shaft 24
Dynamic casing 25,1 bottom surface of the supporting table are hung vertically equipped with hanger 26, and 26 lower end rotary type of hanger is equipped with L-shaped supporting rack 12, L-shaped
Supporting rack 12 is equipped with universal wheel 13 close to 8 one end of support leg, L-shaped supporting rack 12 far from 8 one end of support leg and sliding sleeve 25 it
Between be hinged with pull rod 11；26 side wall of hanger is installed with pole 10, and 10 lower end of pole is installed with and L-shaped supporting rack 12
Vertical corresponding position stopping arch plate 9, the L-shaped supporting rack 12 are that two isometric straight-bar vertical weldings are fixed.It is fixed in cavity 2
Clockwise and anticlockwise motor 17 is installed, the output shaft of clockwise and anticlockwise motor 17 is coaxially installed with driving gear 16, the adjusting screw thread
14 middle part of bar is arranged the driven gear 15 for being installed with and engaging connection with driving gear 16.
The application method and operation principle of the present embodiment：
It is placed in use, intelligentized Furniture can be placed in supporting table 1, for the furniture that transverse width is larger, is needed to this dress
It sets and is adjusted：Rotational handle 7 drives shaft 6 to rotate, and shaft 6 drives adjustment axis 4 with respect to 1 outside precession of supporting table, Jin Ershi
Existing the distance between adjustable shelf 5 and supporting table 1 expand, and then facilitate the intelligentized Furniture of larger width being placed on 1 He of supporting table
On adjustable shelf 5, and then good supporting role is played, rotating backward handle 7 can realize that adjustable shelf 5 is moved close to supporting table 1, into
And realize the constriction to present apparatus structure, it adjusts simple and convenient.
Embodiment 2
On the basis of embodiment 1, in addition, clockwise and anticlockwise motor 17 is installed in cavity 2, the output shaft of clockwise and anticlockwise motor 17
Coaxial to be installed with driving gear 16,14 middle part of the adjusting threaded rod, which is arranged, to be installed with and 16 company of engagement of driving gear
The driven gear 15 connect starts positive and negative rotation when carrying out mobile carry to the intelligentized Furniture placed in supporting table 1 by the present apparatus
Motor 17, clockwise and anticlockwise motor 17 drive driving gear 16 to rotate, and driving gear 16 is by being engaged with the driven gear 15 of connection
It drives and adjusts the rotation of threaded rod 14, the first screw thread 3 and 21 thread rotary orientation of the second screw thread on adjusting threaded rod 14 are on the contrary, positive and negative rotation
Motor 17 rotates forward, and adjusts threaded rod 14 and screw shell 20 is driven to move toward one another, screw shell 20 drives limit shaft 24 together with sliding
Casing 25 moves toward one another, and sliding sleeve 25 pulls L-shaped supporting rack 12 to rotate by pull rod 11, ten thousand be arranged on L-shaped supporting rack 12
It is rotated to wheel 13 to close to 1 middle part of supporting table, when part of the L-shaped supporting rack 12 far from universal wheel 13 is connected to position stopping arch plate
When 9 bottom surface, universal wheel 13 is on the vertical extended line of hanger 26, and then realizes contact of the universal wheel 13 with bottom surface, and will branch
Support platform 1 is propped up, and support leg 8 is detached from bottom surface, and the present apparatus can carry out the mobile movement or carrying realized to intelligentized Furniture at this time.
Embodiment 3
On the basis of embodiment 2, in addition, 1 bottom surface of supporting table laterally offers guide groove 18,20 upper end of screw shell is fixed
Installation sliding is embedded the guide runner 19 in guide groove 18；Movable sleeve is equipped with damping spring 22, damping spring on limit shaft 24
22 upper ends are fixed on 20 bottom surface of screw shell, and 22 lower end of damping spring is fixed on 25 upper surface of dynamic casing, 24 lower end of limit shaft
It is installed with the limit bottom plate 23 that diameter is more than 25 outer diameter of sliding sleeve；During screw shell 20 moves, it is oriented to and slides
Block 19 is slided along guide groove 18, plays the role of the limition orientation moved to screw shell 20, and sliding sleeve 25 is along limit
Axis 24 moves up and down, and 22 deformation of damping spring elongation and compression are played the elastic shock attenuation effect rotated to L-shaped supporting rack 12, protected
The stationarity of 12 rotation process of L-shaped supporting rack is demonstrate,proved, while the present apparatus, due to the damping spring 22 of setting, makes in moving process
Proper when shaking, universal wheel 13 can carry out small size elastics wing with L-shaped supporting rack 12, play in supporting table 1
The good cushioning buffer effect of intelligentized Furniture substantially increases the consistent level of intelligentized Furniture carrying.
In conclusion in the present invention, supporting table 1, adjustable shelf 5 and support leg 8 etc. are the direct application of the prior art, and
Adjustment axis 4, adjusts the inventive point that threaded rod 14 and screw shell 20 etc. are the technical program, structure of the invention at L-shaped supporting rack 12
Ingenious, reasonable design can be realized to the extending transversely of the present apparatus by rotational handle 7, realize the intelligentized Furniture to different in width
Carrying and support, substantially increase the ease for use and controllability of actual use；By the rotating forward of clockwise and anticlockwise motor 17 or anti-
Turn the angle rotation of realization pull rod 11, and then realizes the stretching, extension or storage of universal wheel 13, present apparatus when universal wheel 13 is stored
It is used as support base, the present apparatus realizes the mobile carrying to intelligentized Furniture, operation as handling device when universal wheel 13 stretches
It is simple and convenient, the inconvenient problem of the current intelligentized Furniture pedestal that effectively solves.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of smart home, which is carried, uses adjustable support seat, including supporting table（1）With pass through adjustment axis（4）With adjustment axis（4）
The adjustable shelf of connection（5）, which is characterized in that the supporting table（1）It is interior to be equipped with cavity（2）, supporting table（1）Bottom surface is fixed vertically to pacify
Equipped with support leg（8）, adjustment axis（4）Threaded connection extend into supporting table（1）It is interior, the adjustment axis（4）Far from supporting table（1）One
End is installed with through adjustable shelf（5）Shaft（6）；The supporting table（1）Rotated down formula, which is equipped with, adjusts threaded rod（14）,
The adjusting threaded rod（14）Left-half and right half part surface are attacked respectively equipped with the first screw thread（3）With the second screw thread（21）,
First screw thread（3）With the second screw thread（21）Thread rotary orientation on the contrary, the adjusting threaded rod（14）On be arranged with respectively with first
Screw thread（3）With the second screw thread（21）Two screw shells being threadedly coupled（20）, the screw shell（20）Bottom is fixed vertically
Limit shaft is installed（24）, limit shaft（24）Upper sliding sleeve is equipped with sliding sleeve（25）, the supporting table（1）It hangs and sets vertically in bottom surface
There is hanger（26）, hanger（26）Lower end rotary type is equipped with L-shaped supporting rack（12）, L-shaped supporting rack（12）Close to support leg（8）One end
Equipped with universal wheel（13）, L-shaped supporting rack（12）Far from support leg（8）One end and sliding sleeve（25）Between be hinged with pull rod
（11）.
2. smart home according to claim 1, which is carried, uses adjustable support seat, which is characterized in that the cavity（2）It is interior
It is installed with clockwise and anticlockwise motor（17）, clockwise and anticlockwise motor（17）Output shaft be coaxially installed with driving gear（16）, institute
State adjusting threaded rod（14）Middle part, which is arranged, to be installed with and driving gear（16）Engage the driven gear of connection（15）.
3. smart home according to claim 1, which is carried, uses adjustable support seat, which is characterized in that the shaft（6）It is logical
Cross bearing and adjustable shelf（5）Pivot joint, shaft（6）Far from supporting table（1）One end is installed with handle（7）.
4. smart home according to claim 1, which is carried, uses adjustable support seat, which is characterized in that the supporting table（1）
Bottom surface laterally offers guide groove（18）, screw shell（20）Upper end is fixedly mounted sliding and is embedded in guide groove（18）Interior leads
To sliding block（19）.
5. smart home according to claim 1, which is carried, uses adjustable support seat, which is characterized in that the limit shaft（24）
Upper movable sleeve is equipped with damping spring（22）, damping spring（22）Upper end is fixed on screw shell（20）Bottom surface, damping spring
（22）Lower end is fixed on dynamic casing（25）Upper surface, limit shaft（24）Lower end is installed with diameter and is more than sliding sleeve（25）Outside
The limit bottom plate of diameter（23）.
6. smart home according to claim 1, which is carried, uses adjustable support seat, which is characterized in that the support leg（8）
For platy structure.
7. smart home according to claim 1, which is carried, uses adjustable support seat, which is characterized in that the hanger（26）Side
Wall is installed with pole（10）, pole（10）Lower end is installed with and L-shaped supporting rack（12）Vertical corresponding position stopping arch plate
（9）, the L-shaped supporting rack（12）It is fixed for two isometric straight-bar vertical weldings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810723502.5A CN108792404A (en) | 2018-07-04 | 2018-07-04 | A kind of smart home carrying adjustable support seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810723502.5A CN108792404A (en) | 2018-07-04 | 2018-07-04 | A kind of smart home carrying adjustable support seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108792404A true CN108792404A (en) | 2018-11-13 |
Family
ID=64073018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810723502.5A Pending CN108792404A (en) | 2018-07-04 | 2018-07-04 | A kind of smart home carrying adjustable support seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108792404A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244578A (en) * | 2019-06-17 | 2019-09-17 | 广东电网有限责任公司江门供电局 | A kind of man-machine interactive simulation device of cable accessory installation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3796276A (en) * | 1971-05-28 | 1974-03-12 | Mitsui Shipbuilding Eng | Carriages for transporting heavy articles and controlling positions thereof |
| CN107103813A (en) * | 2017-05-27 | 2017-08-29 | 冯雪 | English teaching lectern |
| CN107310040A (en) * | 2017-07-14 | 2017-11-03 | 童红妃 | It is a kind of to be easy to mobile small-sized concrete mixer |
| CN107351049A (en) * | 2017-08-07 | 2017-11-17 | 徐得强 | A kind of construction stable bracing frame |
| CN206764554U (en) * | 2017-04-28 | 2017-12-19 | 江西丰和数控科技有限公司 | A kind of full support works platform of double V-shaped structure |
| CN107940176A (en) * | 2017-11-15 | 2018-04-20 | 长沙科悦企业管理咨询有限公司 | A kind of home computer mainframe box placing device |
-
2018
- 2018-07-04 CN CN201810723502.5A patent/CN108792404A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3796276A (en) * | 1971-05-28 | 1974-03-12 | Mitsui Shipbuilding Eng | Carriages for transporting heavy articles and controlling positions thereof |
| CN206764554U (en) * | 2017-04-28 | 2017-12-19 | 江西丰和数控科技有限公司 | A kind of full support works platform of double V-shaped structure |
| CN107103813A (en) * | 2017-05-27 | 2017-08-29 | 冯雪 | English teaching lectern |
| CN107310040A (en) * | 2017-07-14 | 2017-11-03 | 童红妃 | It is a kind of to be easy to mobile small-sized concrete mixer |
| CN107351049A (en) * | 2017-08-07 | 2017-11-17 | 徐得强 | A kind of construction stable bracing frame |
| CN107940176A (en) * | 2017-11-15 | 2018-04-20 | 长沙科悦企业管理咨询有限公司 | A kind of home computer mainframe box placing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244578A (en) * | 2019-06-17 | 2019-09-17 | 广东电网有限责任公司江门供电局 | A kind of man-machine interactive simulation device of cable accessory installation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206183848U (en) | Sports high jump training frame with high function of automatically regulated | |
| CN206354681U (en) | A kind of liftable desk | |
| CN201414896Y (en) | Medical movable electric elevating bed | |
| CN2936015Y (en) | Lifting mechanism of electric baby bed | |
| CN207562286U (en) | A kind of body-building leg ligament training device | |
| CN108662405A (en) | A kind of main frame pedestal being moved easily | |
| CN206325487U (en) | The sufficient medicine mixing arrangement of one kind mixing | |
| CN206182670U (en) | Flexible dining table | |
| CN207641392U (en) | A kind of reciprocal concussion water bath with thermostatic control shaking table | |
| CN204599769U (en) | A kind of computer desk | |
| CN107173988A (en) | It is a kind of that there is the computer desk for adjusting height function | |
| CN104948887A (en) | Telescopic grid type liquid crystal screen lifting machine | |
| CN208769112U (en) | Hanging cabinet lifter | |
| CN204744721U (en) | Electrodynamic type head of a bed height -adjustable's sick bed | |
| CN108792404A (en) | A kind of smart home carrying adjustable support seat | |
| CN110025453A (en) | A kind of massage armchair | |
| CN109512517A (en) | Base of puncture robot | |
| CN208956257U (en) | A kind of stage speaker with expanding pulley | |
| CN204083704U (en) | A kind of movable Multifunctional liquid crystal display unit | |
| CN208710212U (en) | A kind of Orthopedic fixation device | |
| CN215686164U (en) | Sofa height adjusting device | |
| CN213940057U (en) | Adjustable tea table | |
| CN113180976B (en) | Multifunctional surgical operating bed | |
| CN210624017U (en) | Prevent self-moving screen frame of cervical spondylopathy | |
| CN210540255U (en) | Electric rocking bed for baby |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |
|
| RJ01 | Rejection of invention patent application after publication |