CN220410546U - Cableway vehicle walking wheel set and cableway vehicle - Google Patents
Cableway vehicle walking wheel set and cableway vehicle Download PDFInfo
- Publication number
- CN220410546U CN220410546U CN202321405546.6U CN202321405546U CN220410546U CN 220410546 U CN220410546 U CN 220410546U CN 202321405546 U CN202321405546 U CN 202321405546U CN 220410546 U CN220410546 U CN 220410546U
- Authority
- CN
- China
- Prior art keywords
- mounting frame
- fixing
- wheel mounting
- cableway
- travelling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Handcart (AREA)
Abstract
The utility model provides a cableway vehicle walking wheel set and a cableway vehicle. Cableway car walking wheelset includes: a mounting base; the travelling wheel assembly comprises a travelling wheel mounting frame and travelling wheels, the travelling wheels are arranged on the travelling wheel mounting frame, and the travelling wheel mounting frame is in sliding fit with the mounting seat along a first direction; the guide wheel assembly comprises a guide wheel mounting frame and a guide wheel, the guide wheel is arranged on the guide wheel mounting frame, and the guide wheel mounting frame and the travelling wheel mounting frame are in sliding fit along a second direction; a first securing mechanism adapted to secure the road wheel mount to the mount; the second fixing mechanism is suitable for fixing the guide wheel mounting frame to the walking wheel mounting frame. The cableway vehicle walking wheel set and the cableway vehicle provided by the utility model are convenient for position adjustment of walking wheels and side guide to fit a track.
Description
Technical Field
The utility model relates to the technical field of cableways, in particular to a cableway vehicle traveling wheel set and a cableway vehicle.
Background
The traveling wheel set of the cableway vehicle generally comprises traveling wheels and side guide traveling wheels, and is mainly applied to a winding tensioning device of the hanging cableway. The roundabout tensioner typically moves back and forth with the aid of road wheels and side-guided road wheels to ensure constant tension on the cableway line.
Because of the processing or installation errors, when the travelling wheels are installed on the travelling rail, the height of one or more travelling wheels needs to be adjusted to ensure good contact between the travelling wheels and the travelling rail, and the side guiding travelling wheels also need to be adjusted to the distance between the side guiding travelling wheels and the side edges of the travelling rail. In the prior art, the size adjustment of the travelling wheels or the side guide travelling wheels is usually carried out by adopting an eccentric shaft mode, and the operation of adjusting the rotating eccentric shaft is inconvenient.
Therefore, there is a need for a cableway vehicle traveling wheel set and a cableway vehicle that can solve the above problems.
Disclosure of Invention
The utility model provides a cableway vehicle walking wheel set and a cableway vehicle, which are convenient for position adjustment of walking wheels and side guide wheels so as to be attached to a track.
The utility model provides a cableway vehicle traveling wheel group, comprising:
a mounting base;
the travelling wheel assembly comprises a travelling wheel mounting frame and travelling wheels, the travelling wheels are arranged on the travelling wheel mounting frame, and the travelling wheel mounting frame is in sliding fit with the mounting seat along a first direction;
the guide wheel assembly comprises a guide wheel mounting frame and a guide wheel, the guide wheel is arranged on the guide wheel mounting frame, and the guide wheel mounting frame and the travelling wheel mounting frame are in sliding fit along a second direction;
a first securing mechanism adapted to secure the road wheel mount to the mount;
the second fixing mechanism is suitable for fixing the guide wheel mounting frame to the walking wheel mounting frame.
According to the cableway vehicle traveling wheel group provided by the utility model, the traveling wheel mounting frame is provided with the first sliding groove along the first direction, and the mounting seat is provided with the first sliding connection part which is in sliding fit with the first sliding groove;
or, the mounting seat is provided with a first sliding groove along the first direction, and the travelling wheel mounting frame is provided with a first sliding connection part in sliding fit with the first sliding groove.
According to the cableway vehicle traveling wheel group provided by the utility model, the guide wheel mounting frame is provided with the second sliding groove along the second direction, and the traveling wheel mounting frame is provided with the second sliding connection part which is in sliding fit with the second sliding groove;
or, the travelling wheel mounting frame is provided with a second sliding groove along the second direction, and the guide wheel mounting frame is provided with a second sliding connection part in sliding fit with the second sliding groove.
According to the cableway vehicle traveling wheel set provided by the utility model, the first fixing mechanism comprises a first fixing hole, a second fixing hole and a fixing piece, wherein the first fixing hole is formed in the mounting seat, and the second fixing hole is formed in the traveling wheel mounting frame;
the first fixing hole and/or the second fixing hole are/is a strip-shaped hole arranged along the first direction.
According to the cableway vehicle traveling wheel group provided by the utility model, the first fixing holes are respectively formed in the two sides of the mounting seat, and the second fixing holes are respectively formed in the two sides of the traveling wheel mounting frame.
According to the cableway vehicle traveling wheel set provided by the utility model, the second fixing mechanism comprises a third fixing hole, a fourth fixing hole and a fixing piece, wherein the third fixing hole is formed in the traveling wheel mounting frame, and the fourth fixing hole is formed in the guide wheel mounting frame;
the third fixing hole and/or the fourth fixing hole are bar-shaped holes arranged along the second direction.
According to the cableway vehicle traveling wheel group provided by the utility model, the third fixing holes are respectively formed in the two sides of the traveling wheel mounting frame, and the fourth fixing holes are respectively formed in the two sides of the guide wheel mounting frame.
The cableway vehicle traveling wheel set provided by the utility model further comprises an auxiliary fixing mechanism, wherein the auxiliary fixing mechanism comprises at least two auxiliary fixing nuts and a through hole arranged on the mounting seat, the auxiliary fixing studs are arranged in the through hole in a penetrating mode, the lower ends of the auxiliary fixing studs are abutted to the upper end of the traveling wheel mounting frame, and the auxiliary fixing nuts are suitable for fixing the auxiliary fixing studs.
According to the cableway vehicle traveling wheel group provided by the utility model, the traveling wheel mounting frame is provided with the abutting plane which is suitable for abutting with the lower end of the auxiliary fixing stud.
The utility model also provides a cableway vehicle, which comprises a vehicle frame, wherein the vehicle frame is provided with the cableway vehicle traveling wheel set according to any one of the above.
According to the cableway vehicle walking wheel set and the cableway vehicle, the walking wheel mounting frame is in sliding fit with the mounting seat along the first direction, the guide wheel mounting frame is in sliding fit with the walking wheel mounting frame along the second direction, when the position of the walking wheel in the first direction needs to be adjusted, the relative position of the walking wheel mounting frame on the mounting seat is adjusted, the position of the walking wheel mounting frame is fixed through the first fixing mechanism, when the position of the guide wheel in the second direction needs to be adjusted, the relative position of the guide wheel mounting frame on the walking wheel mounting frame is adjusted, the position of the guide wheel mounting frame is fixed through the second fixing mechanism, the adjustment is simple, and the walking wheel and the guide wheel can be respectively and independently adjusted.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a cableway wheel set provided by an embodiment of the present utility model;
FIG. 2 is a side view of a cableway wheel set provided by an embodiment of the present utility model;
FIG. 3 is a schematic view of a road wheel assembly in a cableway wheel set provided by an embodiment of the present utility model;
FIG. 4 is a schematic view of a guide wheel assembly in a cableway wheel set provided by an embodiment of the present utility model;
FIG. 5 is a schematic view of an installation seat in a cableway wheel set provided by an embodiment of the utility model;
FIG. 6 is a schematic view of a cableway car provided by an embodiment of the present utility model;
fig. 7 is a schematic view of a cableway car according to an embodiment of the present utility model disposed on a track.
Reference numerals:
1. a mounting base; 101. a first sliding connection; 102. a first fixing hole;
2. a road wheel assembly; 201. a walking wheel mounting frame; 2011. a first chute; 2012. a second sliding connection portion; 2013. a second fixing hole; 2014. a third fixing hole; 202. a walking wheel;
3. a guide wheel assembly; 301. a guide wheel mounting frame; 3011. a second chute; 3012. a fourth fixing hole;
4. auxiliary fixing studs; 5. an auxiliary fixing nut; 6. a frame; 7. a track.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The following describes the cableway car traveling wheel set and the cableway car of the present utility model with reference to fig. 1 to 7.
As shown in fig. 1 and 2, the utility model provides a cableway vehicle traveling wheel set, which comprises a mounting seat 1, a traveling wheel assembly 2, a guide wheel assembly 3, a first fixing mechanism and a second fixing mechanism.
As shown in fig. 3, the road wheel assembly 2 comprises a road wheel mounting frame 201 and road wheels 202, wherein the road wheels 202 are arranged on the road wheel mounting frame 201, and the road wheel mounting frame 201 is in sliding fit with the mounting seat 1 along a first direction; as shown in fig. 4, the guide wheel assembly 3 comprises a guide wheel mounting frame 301 and a guide wheel 302, wherein the guide wheel 302 is arranged on the guide wheel mounting frame 301, and the guide wheel mounting frame 301 is in sliding fit with the travelling wheel mounting frame 201 along the second direction; the first fixing mechanism is suitable for fixing the travelling wheel mounting frame 201 to the mounting seat 1; the second securing mechanism is adapted to secure the guide wheel mount 301 to the road wheel mount 201.
The first direction refers to the up-down direction shown in fig. 2, and the second direction refers to the left-right direction (lateral direction) shown in fig. 2.
According to the cableway vehicle traveling wheel group and the cableway vehicle, the traveling wheel mounting frame 201 is in sliding fit with the mounting seat 1 along the first direction, the guide wheel mounting frame 301 is in sliding fit with the traveling wheel mounting frame 201 along the second direction, when the position of the traveling wheel 202 in the first direction needs to be adjusted, the relative position of the traveling wheel mounting frame 201 on the mounting seat 1 is adjusted, the position of the guide wheel mounting frame is fixed through the first fixing mechanism, when the position of the guide wheel 302 in the second direction needs to be adjusted, the relative position of the guide wheel mounting frame 301 on the traveling wheel mounting frame 201 is adjusted, the position of the guide wheel mounting frame is fixed through the second fixing mechanism, the adjustment is simple, and the traveling wheel 202 and the guide wheel 302 can be respectively and independently adjusted.
As shown in fig. 3 and 5, in a specific embodiment of the present utility model, the road wheel mounting frame 201 is provided with a first sliding groove 2011 along a first direction, and the mounting base 1 is provided with a first sliding connection portion 101 that is in sliding fit with the first sliding groove 2011. In this way, the travelling wheel mounting frame 201 can be limited to move up and down, and the technical purpose of adjusting the height of the travelling wheel mounting frame 201 is achieved, so that the travelling wheel 202 is convenient to be attached to the track 7. It is contemplated that in some embodiments, a first runner may also be provided on the mount 1 in a first direction and a first sliding connection may be provided on the runner mounting 201 that slidingly engages the first runner. The technical purpose of adjusting the height of the travelling wheel mounting frame 201 can be achieved, and the travelling wheel mounting frame is arranged according to actual requirements.
As shown in fig. 3 and 4, in the specific embodiment of the present utility model, the guide wheel mounting frame 301 is provided with a second sliding groove 3011 along the second direction, and the traveling wheel mounting frame 201 is provided with a second sliding connection 2012 that slidingly engages with the second sliding groove 3011. In this way, the guide wheel mounting frame 301 can be limited to move in the left-right direction, and the technical purpose of adjusting the lateral position of the guide wheel 302 is achieved, so that the guide wheel 302 is convenient to be attached to the track 7. Likewise, in some embodiments, a second runner may also be provided on the wheel mount 201 in a second direction and a second sliding connection may be provided on the wheel mount 301 that slidingly engages the second runner. The technical purpose of adjusting the lateral position of the guide wheel mounting frame 301 can be achieved, and the guide wheel mounting frame can be arranged according to actual requirements.
As shown in fig. 3 and 5, in a specific embodiment of the present utility model, the first fixing mechanism includes a first fixing hole 102, a second fixing hole 2013 and a fixing piece, where the first fixing hole 102 is disposed on the mounting base 1, the second fixing hole 2013 is disposed on the road wheel mounting frame 201, the first fixing hole 102 is a strip-shaped hole disposed along the first direction, the second fixing hole 2013 is a round hole, and the fixing piece may adopt a bolt-nut assembly (including a fixing bolt and a fixing nut). When the height of the travelling wheel mounting frame 201 needs to be adjusted, the fixing nut is loosened, so that the fixing bolt moves in the first direction in the first fixing hole 102 to adjust the height of the travelling wheel mounting frame 201, and after the adjustment is finished, the fixing nut is screwed. It is contemplated that in some embodiments, the second fixing hole 2013 may be configured as a bar-shaped hole disposed along the first direction, the first fixing hole 102 may be configured as a round hole, or both the first fixing hole 102 and the second fixing hole 2013 may be bar-shaped holes disposed along the first direction, and in this case, the adjustment range of the road wheel mounting frame 201 may be increased.
As shown in fig. 3 and 5, in a further embodiment of the present utility model, the two sides of the mounting base 1 are respectively provided with the first fixing holes 102, and the two sides of the road wheel mounting frame 201 are respectively provided with the second fixing holes 2013. The fixing effect on the road wheel mounting frame 201 can be significantly improved. It is contemplated that multiple sets of the first fixing hole 102 and the second fixing hole 2013 may be provided as space permits.
As shown in fig. 3 and 4, in a specific embodiment of the present utility model, the second fixing mechanism includes a third fixing hole 2014, a fourth fixing hole 3012 and a fixing piece, the third fixing hole 2014 is disposed on the traveling wheel mounting frame 201, the fourth fixing hole 3012 is disposed on the guide wheel mounting frame 301, the third fixing hole 2014 is a strip-shaped hole disposed along the second direction, the fourth fixing hole 3012 is disposed as a round hole, and the fixing piece may adopt a bolt-nut assembly (including a fixing bolt and a fixing nut). When the lateral position of the guide wheel mounting frame 301 needs to be adjusted, the fixing nut is loosened, so that the fixing bolt moves in the third fixing hole 2014 along the second direction to adjust the lateral position of the guide wheel mounting frame 301, and after the adjustment is finished, the fixing nut is screwed. It is contemplated that in some embodiments, the fourth fixing hole 3012 may also be configured as a bar-shaped hole configured in the second direction, the third fixing hole 2014 may be configured as a round hole, or both the third fixing hole 2014 and the fourth fixing hole 3012 may be configured as bar-shaped holes, and in this case, the adjustment range of the guide wheel mount 301 may be increased.
In a further embodiment of the present utility model, as shown in fig. 3 and 4, the traveling wheel mounting frame 201 is provided with third fixing holes 2014 at both sides thereof, and the guide wheel mounting frame 301 is provided with fourth fixing holes 3012 at both sides thereof, respectively. The fixing effect on the guide wheel mounting bracket 301 can be significantly improved. It is contemplated that a plurality of sets of third fixing holes 2014 and fourth fixing holes 3012 may be provided as the space permits.
As shown in fig. 1, the cableway vehicle traveling wheel set provided by some embodiments of the present utility model further includes an auxiliary fixing mechanism, where the auxiliary fixing mechanism includes an auxiliary fixing stud 4, at least two auxiliary fixing nuts 5, and a through hole provided in the mounting base 1, the auxiliary fixing stud 4 is penetrated in the through hole, the lower end of the auxiliary fixing stud 4 abuts against the upper end of the traveling wheel mounting frame 201, and the auxiliary fixing nuts 5 are suitable for fixing the auxiliary fixing stud 4. Because walking wheel 202 can receive track 7 ascending holding power effect together with walking wheel mounting bracket 201, under the great circumstances of cableway car weight, the phenomenon of sliding appears in the bolted connection department in making first fixed establishment easily, consequently, set up supplementary fixed establishment, through the lower extreme butt of supplementary fixed double-screw bolt 4 in the upper end of walking wheel mounting bracket 201, can play supplementary fixed effect to walking wheel mounting bracket 201, prevent that the phenomenon of sliding from appearing in the bolted connection department in the first fixed establishment.
In a further embodiment of the utility model, as shown in fig. 1, the road wheel mount 201 is provided with an abutment plane adapted to abut the lower end of the auxiliary fixing stud 4. The auxiliary fixing stud 4 can be in surface contact with the travelling wheel mounting frame 201, and stability is improved.
As shown in fig. 6, the present utility model further provides a cableway vehicle, which comprises a frame 6, wherein the frame 6 is provided with a cableway vehicle traveling wheel set according to any one of the embodiments. The cableway car is arranged on the track 7 as shown in fig. 7.
As shown in fig. 6, in the specific embodiment of the present utility model, the mount 1 is fixedly disposed on the frame 6 by a bolt-nut assembly.
The cableway vehicle provided with the cableway vehicle traveling wheel set has the technical effects mentioned in the above embodiments, and will not be described again here.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A cableway car running wheel set, comprising:
a mounting base;
the travelling wheel assembly comprises a travelling wheel mounting frame and travelling wheels, the travelling wheels are arranged on the travelling wheel mounting frame, and the travelling wheel mounting frame is in sliding fit with the mounting seat along a first direction;
the guide wheel assembly comprises a guide wheel mounting frame and a guide wheel, the guide wheel is arranged on the guide wheel mounting frame, and the guide wheel mounting frame and the travelling wheel mounting frame are in sliding fit along a second direction;
a first securing mechanism adapted to secure the road wheel mount to the mount;
the second fixing mechanism is suitable for fixing the guide wheel mounting frame to the walking wheel mounting frame.
2. The cableway wheel set according to claim 1, characterized in that the travelling wheel mounting bracket is provided with a first chute along the first direction, and the mounting seat is provided with a first sliding connection part in sliding fit with the first chute;
or, the mounting seat is provided with a first sliding groove along the first direction, and the travelling wheel mounting frame is provided with a first sliding connection part in sliding fit with the first sliding groove.
3. The cableway wheel set according to claim 1, characterized in that the guide wheel mounting frame is provided with a second sliding chute along the second direction, and the guide wheel mounting frame is provided with a second sliding connection part in sliding fit with the second sliding chute;
or, the travelling wheel mounting frame is provided with a second sliding groove along the second direction, and the guide wheel mounting frame is provided with a second sliding connection part in sliding fit with the second sliding groove.
4. The cableway wheel set according to claim 1, characterized in that the first fixing mechanism comprises a first fixing hole, a second fixing hole and a fixing piece, the first fixing hole is arranged on the mounting seat, and the second fixing hole is arranged on the travelling wheel mounting frame;
the first fixing hole and/or the second fixing hole are/is a strip-shaped hole arranged along the first direction.
5. The cableway wheel set according to claim 4, wherein the first fixing holes are respectively provided at both sides of the mounting base, and the second fixing holes are respectively provided at both sides of the road wheel mounting frame.
6. The cableway wheel set according to claim 1, characterized in that the second fixing mechanism comprises a third fixing hole, a fourth fixing hole and a fixing piece, wherein the third fixing hole is arranged on the walking wheel mounting frame, and the fourth fixing hole is arranged on the guiding wheel mounting frame;
the third fixing hole and/or the fourth fixing hole are bar-shaped holes arranged along the second direction.
7. The cableway wheel set according to claim 6, wherein the third fixing holes are respectively provided at both sides of the traveling wheel mounting frame, and the fourth fixing holes are respectively provided at both sides of the guide wheel mounting frame.
8. The cableway wheel set according to any of claims 1 to 7, further comprising an auxiliary fixing mechanism, wherein the auxiliary fixing mechanism comprises at least two auxiliary fixing nuts and a through hole formed in the mounting seat, the auxiliary fixing nuts penetrate through the through hole, the lower ends of the auxiliary fixing studs are abutted to the upper end of the travelling wheel mounting frame, and the auxiliary fixing nuts are suitable for fixing the auxiliary fixing studs.
9. The cableway wheel set according to claim 8, characterized in that the road wheel mounting frame is provided with an abutment plane adapted to abut against a lower end of the auxiliary fixing stud.
10. A cableway car comprising a frame provided with a set of cableway car travel wheels according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321405546.6U CN220410546U (en) | 2023-06-05 | 2023-06-05 | Cableway vehicle walking wheel set and cableway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321405546.6U CN220410546U (en) | 2023-06-05 | 2023-06-05 | Cableway vehicle walking wheel set and cableway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220410546U true CN220410546U (en) | 2024-01-30 |
Family
ID=89655179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321405546.6U Active CN220410546U (en) | 2023-06-05 | 2023-06-05 | Cableway vehicle walking wheel set and cableway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220410546U (en) |
-
2023
- 2023-06-05 CN CN202321405546.6U patent/CN220410546U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100756525B1 (en) | Cross-tie | |
| US8261671B2 (en) | Bogie lateral movement-limiting system | |
| US20190248385A1 (en) | Bogie frame, bogie assembly and rail vehicle | |
| CN220410546U (en) | Cableway vehicle walking wheel set and cableway vehicle | |
| KR20130003736U (en) | A Device for Retracking Railway Wheel with Preventing Eccentric | |
| KR101402662B1 (en) | Support holder for dual rail system | |
| CN214245152U (en) | Track and track seaming device | |
| US3620318A (en) | Track tightener and rear idler suspension system | |
| KR102237157B1 (en) | Driving apparatus for monorail vehicle | |
| CN214938846U (en) | Track seaming device, track seaming equipment and track | |
| AU2017283047B2 (en) | Assembly for switching a switch rail | |
| KR101222644B1 (en) | Installation structure of railway vehicle current collector | |
| US6557676B2 (en) | Innovia vehicle lock-on device | |
| CN112575633B (en) | A seam device, track seaming equipment and track for track | |
| CN214404388U (en) | Bearing seat for train shock absorption | |
| CN219584340U (en) | Caterpillar chassis | |
| CN214245150U (en) | Track capable of automatically compensating track joint | |
| US4715255A (en) | Saw carriage stabilizer | |
| CN216659885U (en) | Vehicle body structure for scanning broken stone ballast bed section | |
| CN203544185U (en) | Snowstorm ship | |
| CN112681032B (en) | Rail and joint device for same | |
| JP4472370B2 (en) | Sliding bicycle parking device | |
| RU185180U1 (en) | ALL-SEASON MOTOR TOWING | |
| KR20220016321A (en) | Variable gauge rail structure for railway vehicle | |
| CN115140103A (en) | Normally-conductive high-speed magnetic levitation vehicle and track system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |