CN213479632U - Hospital outpatient service is with expanded movable electron information bulletin board that registers - Google Patents
Hospital outpatient service is with expanded movable electron information bulletin board that registers Download PDFInfo
- Publication number
- CN213479632U CN213479632U CN202022327965.5U CN202022327965U CN213479632U CN 213479632 U CN213479632 U CN 213479632U CN 202022327965 U CN202022327965 U CN 202022327965U CN 213479632 U CN213479632 U CN 213479632U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- supporting plate
- sliding
- backup pad
- bulletin board
- 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.)
- Expired - Fee Related
Links
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The utility model belongs to the technical field of bulletin board, a hospital's outpatient service is with expanded movable electron information bulletin board is related to, wherein, including first backup pad, two electric putter of first backup pad top fixedly connected with, electric putter top fixedly connected with third backup pad, the third recess has been seted up at first backup pad top. Its beneficial effect is, this hospital outpatient service is with expanded movable electronic information bulletin board that registers, shorten through the electric putter extension, with the help of the sliding action of first sliding sleeve on first slide bar surface and the movable action of second round pin axle and third round pin axle, can make stable going on of connecting rod activity from top to bottom, and then cooperation electric putter's extension shortens, reach and drive the purpose that the third backup pad reciprocated, and then realize carrying out height control's purpose to second bulletin screen and first bulletin screen through the second backup pad, thereby to the better show information of seeing a doctor of patient, whole device is rational in infrastructure, high durability and convenient use, therefore, the clothes hanger is strong in practicability.
Description
Technical Field
The utility model belongs to the technical field of the bulletin board, concretely relates to hospital's outpatient service is with expanded movable electron information bulletin board that registers.
Background
The hospital outpatient service queuing system has the advantages that the outpatient service queuing system can be used for queuing when the outpatient service of a hospital needs to be registered, the queuing condition of the outpatient service can be known according to the electronic registration information bulletin board, when the number of the outpatient service of the hospital is too large, the number displayed on the electronic screen is limited, the number can be missed by rolling display of the smaller electronic screen, inconvenience of the outpatient service is caused, and when the number of the outpatient service is large, the front-row people.
The existing device mostly does not have the function of enabling the electronic screen to rise and expand, when the number of people for inquiry is large, the front row people can block the sight line of the electronic screen, in addition, the information on the electronic screen can not be seen clearly by people due to the fact that the rolling speed on the single electronic screen is too high, the inconvenience of seeing the doctor is caused, meanwhile, due to the fact that the number of people waiting for the doctor to queue up is large, the existing device cannot display the electronic screen in a multi-direction rotation mode, and the waiting staff can miss the queuing to a certain extent.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a hospital's outpatient service is with expanded movable electron information bulletin board that registers, it has solved and can not rise the technical problem that expands and can't rotate to the electronic screen.
In order to achieve the above object, the utility model provides a following technical scheme: an expandable movable electronic registration information bulletin board for hospital outpatient service comprises a first supporting plate, the top of the first supporting plate is fixedly connected with two electric push rods, the top of each electric push rod is fixedly connected with a third supporting plate, a third groove is arranged at the top of the first supporting plate, a second sliding rod is fixedly connected in the third groove, the surface of the second sliding rod is connected with a first sliding sleeve in a sliding manner, the top of the first sliding sleeve is fixedly connected with a second fixed block, the front sides of the two second fixed blocks are movably connected with connecting rods through third pin shafts, the left connecting rod and the right connecting rod are movably connected through second pin shafts, the top ends of the connecting rods are movably connected with the first fixed block through first pin shafts, a second groove is formed in the bottom of the third supporting plate, and the two first fixing blocks are connected in the second groove in a sliding mode;
a first motor is fixedly connected in the third supporting plate, a first bearing is fixedly connected in the third supporting plate, a third rotating shaft penetrates through the first bearing, an output shaft of the first motor is fixedly connected with the third rotating shaft, the third rotating shaft penetrates through the first bearing and is fixedly connected with a second supporting plate, a second notice screen is fixedly connected at the top of the second supporting plate, a supporting frame is fixedly connected at the top of the second supporting plate, two first grooves are formed in the supporting frame, a second motor and a first sliding rod are fixedly connected in the two first grooves, a first rotating shaft is fixedly connected on the output shaft of the two second motors, threaded columns are fixedly connected on the two first rotating shafts, a second rotating shaft is fixedly connected at the top ends of the threaded columns, a second bearing is sleeved on the surface of the second rotating shaft, and the second bearing is fixedly connected at the top parts of the inner walls of the first grooves, the thread column surface is in threaded connection with a thread sleeve, the surface of the first sliding rod is sleeved with a second sliding sleeve, the thread sleeve is fixedly connected with the second sliding sleeve, the second sliding sleeve is fixedly connected with a connecting block on the side face of the second sliding sleeve, and the connecting block opposite face is fixedly connected with a first announcement screen.
As a further aspect of the present invention: the position that first backup pad bottom is close to the four corners is equal fixedly connected with universal wheel, two second spouts, two have been seted up to third recess bottom sliding connection has the slider, two in the second spout slider top and first sliding sleeve bottom fixed connection.
As a further aspect of the present invention: two sound devices are arranged in the second supporting plate, two first sliding grooves are formed in the top of the third supporting plate, pulleys are connected in the first sliding grooves in a sliding mode, and the pulleys are fixedly connected to the bottom of the second supporting plate.
As a further aspect of the present invention: the top of the first supporting plate is fixedly connected with a control panel, and the control panel is electrically connected with each electric appliance through a wire.
As a further aspect of the present invention: the third backup pad side fixedly connected with two handles, the antiskid cover has been cup jointed on the handle surface.
As a further aspect of the present invention: the first bulletin screen is located on the rear side of the second bulletin screen.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this outpatient service of hospital is with expanded movable electron information bulletin board of registering, shorten through the electric putter extension, with the help of the sliding action of first slide bar surface and the movable action of second round pin axle and third round pin axle of first sliding sleeve, can make the stable activity from top to bottom of going on of connecting rod, and then cooperation electric putter's extension shortens, reach and drive the purpose that the third backup pad reciprocated, and then realize carrying out height control's purpose to second bulletin screen and first bulletin screen through the second backup pad, thereby to the better show information of seeing a doctor of the patient.
2. This outpatient service of hospital is with expanded movable electron information bulletin board that registers, through setting up first motor, first motor during operation can drive the third pivot and rotate, with the help of the normal running fit of pulley in first spout to drive the stable rotation of second backup pad, realize the rotation to the bulletin screen, be convenient for to diversified patient show information of seeing a doctor.
3. This outpatient service of hospital is with expanded movable electron information bulletin board of registering, through setting up the second motor, the second motor during operation, can drive first pivot rotation and drive the screw thread post and rotate, thereby it rises or descends to drive the thread bush, with the help of the fixed connection effect of thread bush and second sliding bush, the thread bush rises or descends to drive the second sliding bush to rise simultaneously or descend, thereby make first bulletin screen rise or descend, conveniently show more information of seeing a doctor to the patient, whole device is rational in infrastructure, high durability and convenient use, therefore, the clothes hanger is strong in practicability.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a front view section of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of the present invention at B in FIG. 1;
FIG. 4 is a three-dimensional structural diagram of the middle supporting frame of the present invention;
in the figure: 1. a first support plate; 2. an electric push rod; 3. a first motor; 4. a first bearing; 5. a first chute; 6. a pulley; 7. a handle; 8. an anti-slip sleeve; 9. sounding; 10. a second motor; 11. a first rotating shaft; 12. a threaded post; 13. a first slide bar; 14. a first groove; 15. connecting blocks; 16. a support frame; 17. a first bulletin screen; 18. a second support plate; 19. a third support plate; 20. a second groove; 21. a first fixed block; 22. a first pin shaft; 23. a universal wheel; 24. a third groove; 25. a second chute; 26. a first sliding sleeve; 27. a connecting rod; 28. a second slide bar; 29. a second pin shaft; 30. a second rotating shaft; 31. a slider; 32. a second fixed block; 33. a second bearing; 34. a second sliding sleeve; 35. a threaded sleeve; 36. a third rotating shaft; 37. a third pin shaft; 38. a second bulletin screen; 39. a control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: an expandable movable electronic registration information bulletin board for hospital outpatient service comprises a first support plate 1, wherein the top of the first support plate 1 is fixedly connected with two electric push rods 2, the top of the electric push rod 2 is fixedly connected with a third support plate 19, the top of the third support plate 19 is provided with two first sliding grooves 5, the two first sliding grooves 5 are slidably connected with pulleys 6, the two pulleys 6 are fixedly connected with the bottom of a second support plate 18, the top of the first support plate 1 is provided with a third groove 24, the third groove 24 is internally fixedly connected with a second sliding rod 28, the surface of the second sliding rod 28 is slidably connected with a first sliding sleeve 26, the top of the first sliding sleeve 26 is fixedly connected with a second fixed block 32, the front sides of the two second fixed blocks 32 are movably connected with connecting rods 27 through third pin shafts 37, the left connecting rod 27 and the right connecting rod 27 are movably connected through second pin shafts 29, the top connecting rods 27 are movably connected with, second recess 20 has been seted up to third backup pad 19 bottom, two first fixed block 21 sliding connection are in second recess 20, shorten through electric putter 2 extension, with the help of the sliding action of first sliding sleeve 26 on first slide bar 28 surface and the swing action of second round pin axle 29 and third round pin axle 37, can make stable going on of connecting rod 27 activity from top to bottom, and then the extension of cooperation electric putter 2 shortens, reach the purpose that drives third backup pad 19 and reciprocate, and then realize carrying out height control's purpose to second bulletin screen 38 and first bulletin screen 17 through second backup pad 18, thereby to the better show information of seeing a doctor of patient.
First motor 3 of fixedly connected with in the third backup pad 19, fixedly connected with first bearing 4 in the third backup pad 19, wear to be equipped with third pivot 36 in the first bearing 4, the output shaft and the 36 fixed connection of third pivot of first motor 3, first bearing 4 and fixedly connected with second backup pad 18 are passed to third pivot 36, through setting up first motor 3, first motor 3 during operation, can drive third pivot 36 and rotate, with the help of the normal running fit of pulley 6 in first spout 5, thereby it rotates to drive second backup pad 18 stability, realize the rotation to the notice screen, be convenient for to diversified patient show information of seeing a doctor, be provided with two stereo sets 9 in the second backup pad 18.
Two threaded post 12 surface threaded connection have thread bush 35, two first slide bars 13 surface has cup jointed second sliding sleeve 34, two thread bushes 35 and 34 fixed connection of second sliding sleeve, two 34 side fixedly connected with connecting blocks 15 of second sliding sleeve, through setting up second motor 10, second motor 10 during operation, can drive first pivot 11 and rotate and drive threaded post 12 and rotate, thereby it rises or descends to drive thread bush 35, with the help of the fixed connection effect of thread bush 35 and second sliding sleeve 34, the ascending or descending of second sliding sleeve 34 is driven simultaneously to thread bush 35, thereby make first bulletin screen 17 rise or descend, conveniently show more information of seeing a doctor to the patient, two 15 opposite face fixedly connected with first bulletin screen 17 of connecting block.
Specifically, the equal fixedly connected with universal wheel 23 in position that first backup pad 1 bottom is close to the four corners, and two second spouts 25 have been seted up to third recess 24 bottom, and sliding connection has slider 31 in two second spouts 25, two slider 31 tops and first sliding sleeve 26 bottom fixed connection.
Specifically, 19 sides of the third supporting plate are fixedly connected with two handles 7, the anti-skidding sleeve 8 is sleeved on the surface of each handle 7, the first bulletin screen 17 is located at the rear side of the second bulletin screen 38, the top of the first supporting plate is fixedly connected with a control panel 39, the control panel 39 is electrically connected with each electric appliance through a wire, and the control of users is facilitated by setting the control panel 39 to control the working state of each electric appliance.
The utility model discloses a theory of operation does:
s1, when in use, firstly, the device is moved to a use position through the handle 7 and the universal wheel 23, then the control panel 39 is operated to open the electric push rod 2, the electric push rod 2 extends and shortens, the connecting rod 27 stably moves up and down by means of the sliding action of the first sliding sleeve 26 on the surface of the first sliding rod 28 and the moving action of the second pin shaft 29 and the third pin shaft 37, the third support plate 19 is driven to move up and down by matching with the extension and shortening of the electric push rod 2, the second bulletin screen 38 and the first bulletin screen 17 are driven to adjust the height through the second support plate 18, and the information of seeing a doctor is better displayed for a patient;
s2, after the height of the third supporting plate 19 is adjusted, the electric push rod 2 is closed, then the control panel 39 is operated to start the first motor 3, when the first motor 3 works, the third rotating shaft 36 can be driven to rotate, and the second supporting plate 18 is driven to stably rotate by means of the rotating fit of the pulley 6 in the first sliding groove 5, so that the bulletin screen is rotated, and the doctor information is displayed to a patient in multiple directions;
s3, when a large number of patients are diagnosed, the control panel 39 can be operated to start the second motor 10, when the second motor 10 works, the first rotating shaft 11 can be driven to rotate to drive the threaded column 12 to rotate, so that the threaded sleeve 35 is driven to ascend, and by means of the fixed connection effect of the threaded sleeve 35 and the second sliding sleeve 34, the threaded sleeve 35 ascends and simultaneously drives the second sliding sleeve 34 to ascend, so that the first bulletin screen 17 is driven to ascend, the information of the patients is expanded, and more information of the patients can be displayed.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. The utility model provides a hospital outpatient service is with expanded movable electron information bulletin board that registers, includes first backup pad (1), its characterized in that: the top of the first supporting plate (1) is fixedly connected with two electric push rods (2), the top of each electric push rod (2) is fixedly connected with a third supporting plate (19), the top of the first supporting plate (1) is provided with a third groove (24), a second sliding rod (28) is fixedly connected in the third groove (24), the surface of the second sliding rod (28) is connected with a first sliding sleeve (26) in a sliding manner, the top of the first sliding sleeve (26) is fixedly connected with a second fixed block (32), the front sides of the two second fixed blocks (32) are movably connected with connecting rods (27) through third pin shafts (37), the left connecting rods (27) and the right connecting rods are movably connected through second pin shafts (29), the top ends of the connecting rods (27) are movably connected with first fixed blocks (21) through first pin shafts (22), and the bottom of the third supporting plate (19) is provided with a second groove (20), the two first fixing blocks (21) are connected in the second groove (20) in a sliding manner;
a first motor (3) is fixedly connected in the third supporting plate (19), a first bearing (4) is fixedly connected in the third supporting plate (19), a third rotating shaft (36) penetrates through the first bearing (4), an output shaft of the first motor (3) is fixedly connected with the third rotating shaft (36), the third rotating shaft (36) penetrates through the first bearing (4) and is fixedly connected with a second supporting plate (18), a second bulletin screen (38) is fixedly connected at the top of the second supporting plate (18), a supporting frame (16) is fixedly connected at the top of the second supporting plate (18), two first grooves (14) are formed in the supporting frame (16), a second motor (10) and a first sliding rod (13) are fixedly connected in the two first grooves (14), and a first rotating shaft (11) is fixedly connected on output shafts of the two second motors (10), two fixedly connected with screw thread post (12) on first pivot (11), top fixedly connected with second pivot (30) of screw thread post (12), second bearing (33) have been cup jointed on the surface of second pivot (30), second bearing (33) fixed connection is two at the top of first recess (14) inner wall screw thread post (12) surface threaded connection has thread bush (35), two first slide bar (13) surface has cup jointed second sliding sleeve (34), two thread bush (35) and second sliding sleeve (34) fixed connection, two second sliding sleeve (34) side fixedly connected with connecting block (15), two first bulletin screen (17) of connecting block (15) opposite face fixedly connected with.
2. The expandable mobile electronic registration information bulletin board for hospital outpatient service according to claim 1, wherein: the equal fixedly connected with universal wheel (23) in position that first backup pad (1) bottom is close to the four corners, two second spout (25), two have been seted up to third recess (24) bottom sliding connection has slider (31), two in second spout (25) sliding connection has slider (31) bottom fixed connection in slider (31) top and first sliding sleeve (26).
3. The expandable mobile electronic registration information bulletin board for hospital outpatient service according to claim 1, wherein: two sound devices (9) are arranged in the second supporting plate (18), two first sliding grooves (5) are formed in the top of the third supporting plate (19), two pulleys (6) are connected in the first sliding grooves (5) in a sliding mode, and the two pulleys (6) are fixedly connected to the bottom of the second supporting plate (18).
4. The expandable mobile electronic registration information bulletin board for hospital outpatient service according to claim 1, wherein: first backup pad (1) top fixedly connected with control panel (39), control panel (39) pass through the wire and each use electrical connection with electrical apparatus.
5. The expandable mobile electronic registration information bulletin board for hospital outpatient service according to claim 1, wherein: the side surface of the third supporting plate (19) is fixedly connected with two handles (7), and the surface of each handle (7) is sleeved with an anti-skidding sleeve (8).
6. The expandable mobile electronic registration information bulletin board for hospital outpatient service according to claim 1, wherein: the first bulletin screen (17) is located behind the second bulletin screen (38).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022327965.5U CN213479632U (en) | 2020-10-19 | 2020-10-19 | Hospital outpatient service is with expanded movable electron information bulletin board that registers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022327965.5U CN213479632U (en) | 2020-10-19 | 2020-10-19 | Hospital outpatient service is with expanded movable electron information bulletin board that registers |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213479632U true CN213479632U (en) | 2021-06-18 |
Family
ID=76368191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022327965.5U Expired - Fee Related CN213479632U (en) | 2020-10-19 | 2020-10-19 | Hospital outpatient service is with expanded movable electron information bulletin board that registers |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213479632U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114067706A (en) * | 2021-11-15 | 2022-02-18 | 唐山市丰南区住房和城乡建设局 | Bulletin board for engineering management |
-
2020
- 2020-10-19 CN CN202022327965.5U patent/CN213479632U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114067706A (en) * | 2021-11-15 | 2022-02-18 | 唐山市丰南区住房和城乡建设局 | Bulletin board for engineering management |
CN114067706B (en) * | 2021-11-15 | 2024-01-12 | 唐山市丰南区住房和城乡建设局 | Bulletin board for engineering management |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211354786U (en) | Lifting exhibition stand for exhibition and display service | |
CN213479632U (en) | Hospital outpatient service is with expanded movable electron information bulletin board that registers | |
CN212986532U (en) | Big data wisdom medical system | |
CN214209306U (en) | Dance training is with rotatory exercise auxiliary device | |
CN109719796B (en) | Facial mask drilling equipment | |
CN215820431U (en) | Adjustable exhibition frame | |
CN116839934A (en) | Office chair truckle durability test device | |
CN214341378U (en) | Display device for communication product sale | |
CN215298570U (en) | Training display device for enterprise management | |
CN111820605B (en) | Double-disc dining table capable of cleaning table top garbage | |
CN213513024U (en) | Mining biological identification appearance | |
CN210442891U (en) | Height-adjustable face recognition automatic settlement table | |
CN210054738U (en) | Three-dimensional scanning clothes changing wardrobe for human body | |
CN215488889U (en) | Electric power marketing data display device | |
CN215722261U (en) | Large-scale game machine support convenient to remove | |
CN223062699U (en) | A portable electric fan | |
CN212624607U (en) | Warning sign is used in electric power construction convenient to installation | |
CN216211353U (en) | Enterprise is self-service inquiry unit of social security for manpower resources | |
CN213815135U (en) | Computer software engineering teaching display device | |
CN221196655U (en) | Electronic mall shopping guide device | |
CN213940705U (en) | Home-based care for the aged service all-in-one | |
CN217853369U (en) | Operating room step stool with lifting function | |
CN220475485U (en) | Movable motor tool | |
CN115420326B (en) | Shooting detection device of intelligent tracking scanning | |
CN217148434U (en) | Lifting device of material pouring machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210618 Termination date: 20211019 |
|
CF01 | Termination of patent right due to non-payment of annual fee |