CN105836404A - Constant-angle material conveying device and conveying method - Google Patents
Constant-angle material conveying device and conveying method Download PDFInfo
- Publication number
- CN105836404A CN105836404A CN201610257345.4A CN201610257345A CN105836404A CN 105836404 A CN105836404 A CN 105836404A CN 201610257345 A CN201610257345 A CN 201610257345A CN 105836404 A CN105836404 A CN 105836404A
- Authority
- CN
- China
- Prior art keywords
- box
- power box
- track
- track body
- hydraulic means
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 title claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B65G35/00—Mechanical conveyors not otherwise provided for
-
- 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
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- 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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
-
- 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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
- Apparatus For Making Beverages (AREA)
- Toys (AREA)
Abstract
The invention discloses a constant-angle material conveying device. The constant-angle material conveying device comprises a moving track and a moving box matched with the moving track. The moving track comprises a track body. A T-shaped through groove is formed in the lower end face of the track body. Teeth are arranged on the lower end face of the track body. The moving box comprises a box body and a power box which is arranged above the box body. A fixing rod is arranged under the power box. The upper end of the box body is hinged to the lower end face of the fixing rod. A hydraulic device is arranged at the lower end of the power box. According to the constant-angle material conveying device, by making the angle between the power box and the box body adjustable, the angle of the box body can be adjusted at the proper time when the angle of the power box is changed in the moving process, and thus the box body is kept moving at the constant angle all the time.
Description
Technical field
The present invention relates to a kind of constant angle device for transporting objects and carrying method.
Background technology
In existing material conveying process, usual material container all can change along with the change running orbit angle, causes thing
Material is easily scattered, and causes waste and pollutes.
Summary of the invention
It is an object of the invention to provide a kind of constant angle device for transporting objects and carrying method, prior art can be improved and exist
Problem, by making to realize between power box and box-like body adjustable angle, it is possible in power box moving process produce angle
During degree change, adjusting the angle of box-like body, constant angle is run to make box-like body remain in good time.
The present invention is achieved through the following technical solutions:
A kind of constant angle device for transporting objects, including moving track and the mobile box that matches with moving track；
Described moving track includes track body, is provided with T-shaped groove, described rail on described track body lower surface
It is provided with tooth on the lower surface of road body；
Described mobile box includes box-like body and is arranged on the power box above box-like body, sets below described power box
Being equipped with fixing bar, described box-like body upper end thereof is on the lower surface of described fixing bar, in described power box lower end
Being provided with hydraulic means, described hydraulic means is be symmetricly set on described fixing bar both sides 2,2 described hydraulic pressure
Device one end is respectively hinged on described power box lower surface, and 2 described hydraulic means other ends are respectively hinged at described
Box-like body upper surface on, be provided with in described power box driving motor and with the described decelerator matched,
Described drive motor and described decelerator are respectively fixedly connected with on described power box, in the output of described decelerator
Being provided with 2 travelling gears on axle, described travelling gear engages each other with described tooth, arranges in the middle part of described power box
Having support bar, be respectively arranged with roller in described post upper both sides, 2 described rollers are connected to described leading to respectively
Described power box is made to be articulated in below described track body inside groove, the line of 2 described hydraulic means and 2 institutes
The line of the roller stated is mutually perpendicular to；
Above described power box both sides sidewall, it is respectively arranged with Infrared Detectors, inside described power box, is provided with control
Device, described Infrared Detectors, described hydraulic means and the described motor that drives pass through circuit and described controller phase respectively
Connect.
Further, for the present invention is better achieved, described box-like body both sides sidewall is respectively arranged with proximity switch,
Described proximity switch is connected with described controller by circuit.
Further, for the present invention is better achieved, the upper surface of described power box is provided with angular transducer,
Described angular transducer is connected with described controller by circuit.
Further, for the present invention is better achieved, described track body is that rustless steel is made, described track body,
Described groove and described tooth are formed in one and process.
A kind of constant angle material conveying method, comprises the following steps:
S1: according to landline attachment rail body and mobile box: by track body according to predetermined landline support mounted externally
Or on body of wall, the box-like body being used for depositing material is arranged on below mobile box, mobile box is arranged on track body,
Specifically include following steps:
S1.1 arranges 2 rollers on mobile box, makes 2 rollers be embedded on track body in the groove installing roller, makes
Roller can roll along track body；
S1.2 engages each other being arranged on the travelling gear inside mobile box with the tooth being arranged on track body, enables travelling gear
Move along tooth, and use driving driven by motor travelling gear to rotate；
S2: sent and reception infrared signal to track body by the Infrared Detectors being arranged on above power box, by signal passing time
Be sent to controller, controller signal calculated send and the reception time, according to signal passing time change calculations power box with
Distance change between track body；
S3: the distance change calculated according to step S2, controller sends to the hydraulic means being arranged between box-like body and power box
Drive signal, drive hydraulic means to stretch, promote the angle change of box-like body both sides, make box-like body keep plumbness.
The present invention compared with prior art, has the advantages that
The present invention sends and receives infrared signal by being arranged on the Infrared Detectors above power box 105 to track body 101, will
Signal passing time is sent to controller, controller signal calculated send and the reception time, according to signal passing time change meter
Calculate the distance change between power box 105 and track body 101；The distance change calculated according to step, controller is to setting
Hydraulic means 107 between box-like body 104 and power box 105 sends and drives signal, drives hydraulic means 107 to stretch,
Promote the angle change of box-like body 104 both sides, it is possible to make box-like body 104 keep plumbness.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing used required in embodiment will be made below
Introduce simply, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, be therefore not construed as scope
Restriction, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to attached according to these
Figure obtains the accompanying drawing that other are relevant.
Fig. 1 is overall structure schematic diagram of the present invention；
Fig. 2 is control system schematic block diagram of the present invention.
Wherein: 101. track bodies, 102. grooves, 103. teeth, 104. box-like body, 105. power box, 106. fix bar,
107. hydraulic means, 108. drive motor, 109. travelling gears, 110. support bars, 111. rollers.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1, 2, a kind of constant angle device for transporting objects, including moving track and the mobile box that matches with moving track；
Described moving track includes track body 101, is provided with T-shaped groove 102 on described track body 101 lower surface,
It is provided with tooth 103 on the lower surface of described track body 101；
Described mobile box includes box-like body 104 and is arranged on the power box 105 above box-like body 104, moves described
Being provided with fixing bar 106 below power casing 105, described box-like body 104 upper end thereof is on described fixing bar 106 times
On end face, described power box 105 lower end being provided with hydraulic means 107, described hydraulic means 107 is for being symmetrical arranged
At 2 of described fixing bar 106 both sides, 2 described hydraulic means 107 one end are respectively hinged at described power box
On 105 lower surfaces, 2 described hydraulic means 107 other ends are respectively hinged on the upper surface of described box-like body 104,
Be provided with in described power box 105 driving motor 108 and with the described decelerator matched, described driving motor
108 and described decelerator be respectively fixedly connected with on described power box 105, the output shaft of described decelerator sets
Being equipped with 2 travelling gears 109, described travelling gear 109 engages each other with described tooth 103, described power box 105
Middle part is provided with support bar 110, is respectively arranged with roller 111,2 described rollers in described both sides, support bar 110 upper end
111 are connected to inside described groove 102 make described power box 105 be articulated in below described track body 101 respectively,
The line of the line of 2 described hydraulic means 107 and 2 described rollers 111 is mutually perpendicular to；
Above described power box 105 both sides sidewall, it is respectively arranged with Infrared Detectors, sets inside described power box 105
Being equipped with controller, described Infrared Detectors, described hydraulic means 107 and described driving motor 108 pass through circuit respectively
It is connected with described controller.
By driving driven by motor travelling gear to rotate, in travelling gear rotation process, it is arranged on the tooth on track body and biography
Moving gear is meshed so that headstock physical ability moves along track body.
The present invention sends and receives infrared letter by being arranged on the Infrared Detectors above power box 105 to track body 101
Number, signal passing time is sent to controller, controller signal calculated sends and the reception time, according to signal passing time
Distance change between change calculations power box 105 and track body 101；The distance change calculated according to step, controller
Send to the hydraulic means 107 being arranged between box-like body 104 and power box 105 and drive signal, drive hydraulic means 107
Flexible, promote the angle change of box-like body 104 both sides, it is possible to make box-like body 104 keep plumbness.
In order to avoid mutually colliding between different conveyer devices, in the present embodiment, it is preferable that at described box-like body 104
Being respectively arranged with proximity switch on the sidewall of both sides, described proximity switch is connected with described controller by circuit.
Detect angle of inclination for convenience, calculate hydraulic means distance of stretch out and draw back according to angle of inclination, in the present embodiment, it is preferable that
Being provided with angular transducer on the upper surface of described power box 105, described angular transducer passes through circuit with described
Controller is connected.
Process for convenience, and make track body have certain tolerance, it is not easy to damage, in the present embodiment, it is preferable that
Described track body 101 is made for rustless steel, described track body 101, described groove 102 and described tooth 103
It is formed in one and processes.
Embodiment 2:
A kind of constant angle material conveying method, comprises the following steps:
S1: according to landline attachment rail body 101 and mobile box: track body 101 is arranged on according to predetermined landline
On outside support or body of wall, the box-like body 104 being used for depositing material is arranged on below mobile box 105, by mobile box
It is arranged on track body 101, specifically includes following steps:
S1.1 arranges 2 rollers 111 on mobile box, makes 2 rollers 111 be embedded on track body 101 for installing roller
In the groove 102 of 111, make roller 111 can roll along track body 101；
S1.2 engages each other being arranged on the travelling gear 109 inside mobile box 105 with the tooth 103 being arranged on track body 101,
Make travelling gear 109 can move along tooth 103, and use driving motor 108 band nutating gear 109 to rotate；
S2: sent to track body 101 by the Infrared Detectors being arranged on above power box 105 and receive infrared signal, by signal
Passing time is sent to controller, controller signal calculated send and the reception time, moves according to signal passing time change calculations
Distance change between power casing 105 and track body 101；
S3: the distance change calculated according to step S2, controller is to the hydraulic pressure being arranged between box-like body 104 and power box 105
Device 107 sends and drives signal, drives hydraulic means 107 to stretch, and promotes the angle change of box-like body 104 both sides, makes casing
Body 104 keeps plumbness.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For Yuan, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (5)
1. a constant angle device for transporting objects, it is characterised in that: include moving track and the mobile box matched with moving track；
Described moving track includes track body (101), is provided with T-shaped leading on described track body (101) lower surface
Groove (102), the lower surface of described track body (101) is provided with tooth (103)；
Described mobile box includes box-like body (104) and is arranged on the power box (105) of box-like body (104) top,
Described power box (105) lower section is provided with fixing bar (106), and described box-like body (104) upper end thereof is described
Fixing bar (106) lower surface on, described power box (105) lower end is provided with hydraulic means (107), described
Hydraulic means (107) be symmetricly set on described fixing bar (106) both sides 2,2 described hydraulic means (107)
One end is respectively hinged on described power box (105) lower surface, and 2 described hydraulic means (107) other ends are respectively
It is hinged on the upper surface of described box-like body (104), in described power box (105), is provided with driving motor (108)
And with the described decelerator matched, described driving motor (108) and described decelerator are respectively fixedly connected with described
On power box (105), the output shaft of described decelerator is provided with 2 travelling gears (109), described driving cog
Wheel (109) engages each other with described tooth (103), and described power box (105) middle part is provided with support bar (110),
Be respectively arranged with roller (111) in described support bar (110) both sides, upper end, 2 described rollers (111) are connected to respectively
Described groove (102) inner side makes described power box (105) be articulated in below described track body (101), 2
The line of described hydraulic means (107) and the line of 2 described rollers (111) are mutually perpendicular to；
It is respectively arranged with Infrared Detectors, at described power box (105) above described power box (105) both sides sidewall
Inner side is provided with controller, described Infrared Detectors, described hydraulic means (107) and described driving motor (108)
It is connected with described controller by circuit respectively.
A kind of constant angle device for transporting objects the most according to claim 1, it is characterised in that: at described box-like body (104)
Being respectively arranged with proximity switch on the sidewall of both sides, described proximity switch is connected with described controller by circuit.
A kind of constant angle device for transporting objects the most according to claim 1, it is characterised in that: at described power box (105)
Upper surface on be provided with angular transducer, described angular transducer is connected with described controller by circuit.
A kind of constant angle device for transporting objects the most according to claim 1, it is characterised in that: described track body (101)
Making for rustless steel, described track body (101), described groove (102) and described tooth (103) are formed in one
Process.
5. a constant angle material conveying method, it is characterised in that: comprise the following steps:
S1: according to landline attachment rail body (101) and mobile box: by track body (101) according to predetermined landline
On support mounted externally or body of wall, the box-like body (104) being used for depositing material is arranged on mobile box (105) lower section,
Mobile box is arranged on track body (101), specifically includes following steps:
S1.1 arranges 2 rollers (111) on mobile box, makes 2 rollers (111) be embedded on track body (101) and is used for pacifying
In the groove (102) of dress roller (111), make roller (111) can roll along track body (101)；
S1.2 will be arranged on the travelling gear (109) of mobile box (105) inner side and the tooth (103) being arranged on track body (101)
Engage each other, make travelling gear (109) can move along tooth (103), and use driving motor (108) to drive driving cog
Wheel (109) rotates；
S2: sent by the Infrared Detectors being arranged on power box (105) top to track body (101) and receive infrared signal,
Signal passing time is sent to controller, controller signal calculated sends and the reception time, change according to signal passing time
Calculate the distance change between power box (105) and track body (101)；
S3: the distance change calculated according to step S2, controller is to being arranged between box-like body (104) and power box (105)
Hydraulic means (107) send drive signal, drive hydraulic means (107) stretch, promote box-like body (104) two side angle
Degree change, makes box-like body (104) keep plumbness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257345.4A CN105836404B (en) | 2016-04-21 | 2016-04-21 | A kind of constant angle device for transporting objects and carrying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257345.4A CN105836404B (en) | 2016-04-21 | 2016-04-21 | A kind of constant angle device for transporting objects and carrying method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105836404A true CN105836404A (en) | 2016-08-10 |
| CN105836404B CN105836404B (en) | 2018-09-25 |
Family
ID=56589938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610257345.4A Active CN105836404B (en) | 2016-04-21 | 2016-04-21 | A kind of constant angle device for transporting objects and carrying method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105836404B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1894146A (en) * | 2003-09-22 | 2007-01-10 | 伊顿系统股份公司 | Product carrier and transport device |
| CN101306687A (en) * | 2008-04-30 | 2008-11-19 | 郑来春 | Gravitation vehicle for conveying persons or cargo |
| CN103395615A (en) * | 2013-07-26 | 2013-11-20 | 中国矿业大学 | Filling material conveyor posture adjusting system and method |
| CN203474277U (en) * | 2013-08-29 | 2014-03-12 | 肖卫华 | Non-swinging line hanging type brick clamping machine |
| CA2916181A1 (en) * | 2013-09-25 | 2015-04-02 | Thyssenkrupp Elevator Innovation Center, S.A. | Set of pallets for a transportation system used to transport passengers/goods |
| CN204264876U (en) * | 2014-10-31 | 2015-04-15 | 无锡晟欧船舶设备有限公司 | Suspended travel device |
-
2016
- 2016-04-21 CN CN201610257345.4A patent/CN105836404B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1894146A (en) * | 2003-09-22 | 2007-01-10 | 伊顿系统股份公司 | Product carrier and transport device |
| CN101306687A (en) * | 2008-04-30 | 2008-11-19 | 郑来春 | Gravitation vehicle for conveying persons or cargo |
| CN103395615A (en) * | 2013-07-26 | 2013-11-20 | 中国矿业大学 | Filling material conveyor posture adjusting system and method |
| CN203474277U (en) * | 2013-08-29 | 2014-03-12 | 肖卫华 | Non-swinging line hanging type brick clamping machine |
| CA2916181A1 (en) * | 2013-09-25 | 2015-04-02 | Thyssenkrupp Elevator Innovation Center, S.A. | Set of pallets for a transportation system used to transport passengers/goods |
| CN204264876U (en) * | 2014-10-31 | 2015-04-15 | 无锡晟欧船舶设备有限公司 | Suspended travel device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105836404B (en) | 2018-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107893523A (en) | A kind of automation wall plastering machine based on 4DOF | |
| CN206447247U (en) | Product pipeline automatic merging device | |
| CN207566340U (en) | A kind of 360 degree rotation slide unit feed device | |
| TW201538407A (en) | Wares transport equipment and ceiling transport cart | |
| CN109335568A (en) | Friction drive device, halved belt sorter and carbel sorting | |
| CN217868614U (en) | Glass tube tractor moving device and traction system | |
| CN104030031B (en) | A kind of soft bag interflow channel-dividing device | |
| CN105836404A (en) | Constant-angle material conveying device and conveying method | |
| CN104890748B (en) | Dummy car and its running gear | |
| CN104816928B (en) | Tipper for conveying material | |
| CN108163457A (en) | A kind of belt conveyor for having store function | |
| CN210515352U (en) | Infrared ray meter spare device | |
| CN202924355U (en) | Rotary lifting rolling machine | |
| CN203975830U (en) | Adjusting device for chains, chain traction system, suspended chain conveyer and delivery system | |
| CN207756651U (en) | Automatic charging rolls up arc equipment and corrugated culvert system of processing | |
| CN216548008U (en) | Upper transmission mechanism of plate conveying device | |
| CN203064646U (en) | Passive two-degrees-of-freedom deviation correcting device | |
| CN106185211A (en) | A kind of double feed arrangement | |
| CN206407543U (en) | A kind of conveying arrangement applied to hillside orchard | |
| CN211337530U (en) | Turning conveying device | |
| ATE329749T1 (en) | FLOOR LAYING DEVICE FOR CROSS BAGS | |
| CN213596552U (en) | Lapping mechanism for non-collodion cotton production line | |
| CN211540235U (en) | Through shaft production system | |
| CN203306667U (en) | Automatic conveyor | |
| CN203373419U (en) | Substrate rack slewing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.27, Ganshan Industrial Park, Zhongguan Town, Deqing County, Huzhou City, Zhejiang Province Patentee after: Lin Han Address before: 325000 epoch experimental school, No. 1658, Binjiang Road, Wenzhou, Zhejiang, Ruian Patentee before: Lin Han |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20210429 Address after: 226600 Jiangsu city of Nantong province Haian high tech Industrial Development Zone (Temple Zhenxing Road, No. 11) Patentee after: JIANGSU XINBAI CONSTRUCTION ENGINEERING Co.,Ltd. Address before: No.27, Ganshan Industrial Park, Zhongguan Town, Deqing County, Huzhou City, Zhejiang Province Patentee before: Lin Han |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A constant angle material conveying device and conveying method Effective date of registration: 20220323 Granted publication date: 20180925 Pledgee: Postal Savings Bank of China Limited Hai'an sub branch Pledgor: JIANGSU XINBAI CONSTRUCTION ENGINEERING Co.,Ltd. Registration number: Y2022980003010 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226600 Hai'an high tech Industrial Development Zone, Nantong City, Jiangsu Province (No. 11, Zhenxing Road, zushimiao) Patentee after: Jiangsu Xinbai Construction Group Co.,Ltd. Address before: 226600 Hai'an high tech Industrial Development Zone, Nantong City, Jiangsu Province (No. 11, Zhenxing Road, zushimiao) Patentee before: JIANGSU XINBAI CONSTRUCTION ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |