CN207129817U - Lift appliance - Google Patents
Lift appliance Download PDFInfo
- Publication number
- CN207129817U CN207129817U CN201720617945.7U CN201720617945U CN207129817U CN 207129817 U CN207129817 U CN 207129817U CN 201720617945 U CN201720617945 U CN 201720617945U CN 207129817 U CN207129817 U CN 207129817U
- Authority
- CN
- China
- Prior art keywords
- door
- mentioned
- plug members
- car
- stop
- 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
Landscapes
- Elevator Door Apparatuses (AREA)
Abstract
It the utility model is related to the lift appliance that the blocking with caused gap between the stop side being located at the oral area that comes in and goes out to be come in and gone out to car and the door of cage side constructs.The foreign matter that the lift appliance is not had on plug members is clamped between cage side door and carrys out the situation of obstacle to its moving belt.With by caused gap blocks between the door of cage side (31) and the door of stop side plug members (35).Plug members (35) driven-mechanism drives, to be moved between the blocking position and the retreating position of the bottom of the door of cage side for blocking gap with the on-off action of car door.The upper surface (35A) of plug members (35) is with being tilted towards the leading section of the moving direction moved to its blocking position in a manner of step-down, to prevent along with keeping out of the way sandwiching for mobile foreign matter (81).
Description
Claims priority based on the Japanese patent application the 2016-215065th that the application was proposed by November 2nd, 2016
Power, the application include entire contents by referring to this application youngster.
Technical field
Embodiment of the present utility model is related to the stop side and sedan-chair set at the oral area that comes in and goes out to be come in and gone out to car
The lift appliance of the blocking construction in the gap occurred between the door of railway carriage or compartment side.
Background technology
Lifted in the car being arranged in the hoistway of building in each floor gap to transport the lift appliance of personnel or goods
In, in order that car lifts, certain gap is provided between the stop and car of each floor.Therefore, stop in car implantation
In the state of the door of stop and gateway is opened, the door (Japanese in stop side:Apply and occupy) sent out between the door of cage side
Raw gap.Gap between the door makes the small article of the key that passenger drops or card etc. drop in hoistway, becomes its recovery
It is difficult.
So, it is proposed that the plug members for being used for blocking in the gap between door are set, make its action in the opening of door
With the scheme for blocking door gap (for example, referring to patent document 1).If that is, car implantation specified layer and door is started
Make, then plug members are moved to the blocking position for blocking gap between door.In addition it is configured to, if door carries out closing action,
Plug members are moved to the retreating position of the bottom of cage side door from blocking position therewith.
In such lift appliance, in the state of door opening and plug members block gap between door, Cheng Kexiang
For car boarding.Now, the foreign matter for having the sand grains on the footwear for being attached to passenger etc. drops to the plug members for blocking gap
On situation.Plug members with the closing action of door and the retreating position towards cage side door bottom slides, but plug members
On foreign matter also to equidirectional movement.Therefore, in retreating position, the upper surface of plug members and opposed cage side are clamped into
Between the lower surface of door.
If so foreign matter is sandwiched into, the movement of plug members is no longer swimmingly carried out, if the foreign matter being sandwiched into
Quantitative change it is more, then the moving belt to plug members carrys out obstacle, is finally possible to the damage of the drive mechanisms of plug members.
Utility model content
The purpose of this utility model is to provide a kind of foreign matter not having on plug members and is clamped into and cage side door
Between and carry out the lift appliance of the situation of obstacle to its moving belt.
The lift appliance of embodiment of the present utility model is characterised by possessing:The door of cage side, car will be located at
Gateway at car door its be opened and closed direction on guide;The door of stop side, by be located at above-mentioned car can implantation each building
Guided on stop Men Qi opening and closings direction at the gateway to be come in and gone out to above-mentioned car of layer;Plug members, position can blocked
Put and moved between the retreating position of the bottom of the door of above-mentioned cage side, above-mentioned plug members are in blocking position by above-mentioned car
Caused gap blocks between the door of side and the door of stop side;And drive mechanism, work is started with above-mentioned car door,
Above-mentioned plug members is moved from above-mentioned retreating position to above-mentioned blocking position, close action with above-mentioned car door, make above-mentioned
Plug members move from above-mentioned blocking position to above-mentioned retreating position;Above-mentioned plug members are with its upper surface with towards to above-mentioned
Blocking position movement the leading section of moving direction and the mode of step-down tilts.
The lift appliance of embodiment of the present utility model is further characterized in that the upper surface of above-mentioned plug members is with curved surface
Shape tilts.
According to said structure, because the upper surface of plug members is with towards the moving direction moved to blocking position
Leading section and the mode of step-down tilt, so in the avoidance operation of plug members, can prevent from being carried on the upper of plug members
Foreign matter on surface is clamped between the upper surface of plug members and the lower surface of cage side door, will not hinder plug members
Movement.
Brief description of the drawings
Fig. 1 is the integrally-built figure for representing the lift appliance about an embodiment.
Fig. 2 is the front view from stop side by the door opening state of the door section of the car of an embodiment.
Fig. 3 is the front view from stop side by the shutdown state of the door section of the car of an embodiment.
Fig. 4 be the car door side for representing an embodiment action component and drive mechanism relation stereogram.
Fig. 5 is the plan for representing the plug members in retreating position.
Fig. 6 is the plan for representing the plug members in blocking position.
Fig. 7 is to represent plug members and the side view of cage side and the relation of the door of stop side in blocking position.
Fig. 8 is to represent plug members and the side view of cage side and the relation of the door of stop side in retreating position.
Fig. 9 is the enlarged drawing of the relation for the inclined upper surface and foreign matter for representing plug members.
Figure 10 represents the foreign matter kept out of the way in way of plug members and the following table relation of plane of cage side door, and Figure 10 (a) is
The figure at initial stage is kept out of the way in expression, Figure 10 (b) is the figure for representing to keep out of the way mid-term.
Figure 11 be the car door side for representing embodiment action component and drive mechanism relation stereogram.
Embodiment
Hereinafter, embodiment of the present utility model is explained referring to the drawings.
First, the overall structure of lift appliance is illustrated by Fig. 1.As shown in figure 1, lift appliance 1 possesses configuration in hoistway 3
Interior car 4 and counterweight 5.In the top of hoistway 3, provided with there is provided the hoist engine 7 of driving main rope 9 and the grade of control device 8
Machine Room 6.Control device 8 is the overall device for controlling lift appliance 1, according to landing calls or railway carriage or compartment calling by hoist engine 7
Operating control, makes car 4 to the floor implantation for having calling.
Alternatively, it is also possible to being to be not provided with Machine Room 6 and minimize hoist engine 7 and control device 8 and be located in hoistway 3
Top so-called machine House-less lift appliance.
In the lift appliance 1, in the stop 11 being located at each floor of building, provided with the car 4 led in hoistway 3
Gateway 12, be provided with stop door 2 in the gateway 12.The stop door 2 is in the implantation of car 4 with being located at the discrepancy of car 4
The side of car door 25 at mouth 24 engages via mutual interlocking gear (not shown), and the opening and closing with car door 25 is interlocked and is opened and closed dynamic
Make.
Fig. 2 and Fig. 3 is by front view of the part of car door 25 from the side of stop 11 for the gateway for being located at car 4, Fig. 2
The door opening state that car door 25 is opened is represented, Fig. 3 represents the shutdown state that car door 25 is closed.Car door 25 is to make the two panels shop front
Plate 25a, 25b (illustrate only the part equivalent to door shield, other parts eliminate diagram) are to mutually different diagram right and left
To the so-called split mode for start work.This two panels door face board 25a, 25b and door open/close machine link ground by this opening/closing machine
Action is opened and closed to diagram left and right directions driving in structure.
In addition, door open/close machine is known, it is not directly relevant to the utility model, so construction explanation is omitted, but it is logical
Crossing the power of motor (not shown) makes two panels door face board 25a, 25b mutually interlock, and drives and carries out in the lateral direction along guide rail
On-off action.
The door 31 of cage side is provided with the passageway part of the car 4, the two panels door face board of car door 25 will be formed
25a, 25b are opened and closed direction guiding along it.The door 31 of cage side is located at the lower edge of the gateway 24 of car, is formed thereon
Guide channel on surface engages respectively with two panels door face board 25a, 25b bottom, and they are guided on opening and closing direction.
For the door 31 of the cage side, also door 32 is provided with like that as shown in Figures 7 and 8 in the side of stop 11.Stop side
Door 32 and the door 31 of cage side one side (Fig. 7 and Fig. 8 left surface) keep as defined in interval and it is arranged opposite.
Guide channel is also formed with the upper surface of the door 32 of the stop side, the stop door 2 represented in Fig. 1 is opened and closed direction along it
Guiding.
The stop door 2 is though it is not illustrated, it is also the two evolution formulas with two panels door face board to be, as described above, such as
The implantation of fruit car 4 then engages, the on-off action together with car door 25 in stop 11 with the car door 25.Stop door 2 is in car 4
By two panels door face board locking it is closed state by mutual interlocking gear (not shown), in 4 implantation of car, with car 4 when not having implantation
The not shown engaging part of side engages and releases above-mentioned lockup state, and action is opened and closed together with car door 25.
When car 4 is to specified layer implantation, occur between the door 31 of cage side and the door 32 of stop side by Fig. 7 and
The gap that Fig. 8 is represented.Plug members 35 are provided with order to which the gap is blocked.The plug members 35 are as shown in Figures 2 and 3
By left and right segmentation.The partitioning portion be in the lifting of car 4 door 31 of cage side and be located at stop side it is (not shown) mutually
Latch mechanism interlock part, be in order to allow mutual interlocking gear by and left and right keep compartment of terrain it is divided.
In addition, in 4 implantation of car, be located at the corresponding part of stop side door bank 32 (not shown) convex is inserted into this point
The interval of part is cut, is substantially blocked by the convex portion.
As shown in Figures 7 and 8, the upper surface of plug members 35 is located at than the door 31 of cage side and the door 32 of stop side
Upper surface position on the lower.In addition, it is shaped so as to as shown in Figure 7 to block the gap of door 31,32
Geomery.That is, there is the slightly larger length of the frontal width of the gateway 24 of the cage side than representing in fig. 2 and ratio to exist
The slightly larger width in the gap of the door 31,32 represented in Fig. 7 and Fig. 8.
In addition, its cross section is the shape of lengthwise, in the opposed portion that the diagram right flank of the door 32 with stop side is opposed
Formed with recess 35a.Recess 35a is in order to avoid being located at the Screw 36a on the diagram right flank of the door 32 of stop side
Head and set.Screw 36a is used to install the plate 36 for separating lower interlayer space.And then for the upper of the plug members 35
Portion corner implements chamfering 35b.
The plug members 35 be metal system or resin-made which kind of can, but if considering processability and and other parts
Resiliency etc., then preferably with resin material.
What the blocking position that the plug members 35 can block in the gap by door 31,32 that Fig. 7 is represented represented with Fig. 8
Keep out of the way and move and form between the retreating position of the bottom of the door 31 of cage side.Also, by drive mechanism 41 described later,
With the on-off action of car door 25, slided and driven between above-mentioned blocking position and retreating position.
Plug members 35 are installed in via leaf spring 52 to be located on the bracket 51 of the side of drive mechanism 41.Drive mechanism 41 is formed
For that with the on-off action of car door 25, can engage as shown in Figure 4 with the action component 72 of the side of car door 25.Also,
And the moving direction that the force transformation that is subject to from action component 72 is plug members 35, it will be made by the engaging with the action component 72
Plug members 35 move to direction is kept out of the way.
In this embodiment, drive mechanism 41 as shown in Figure 5, Figure 6, have 4 connecting rods 46,47,48,49 and via
Connection shaft 50 and the bracket 51 rotationally linked with each one end of these connecting rods.4 connecting rods 46,47,48,49 are via pivot 45
It is rotatably supported on the supporting member 44 of the side of car 4.
The connecting rod 47,48 of inner side in this 4 connecting rods links driving and used, and their other end connects via connection shaft 54
Knot is on connecting rod 55.The operating spring for producing repulsive force is provided between the diagram right-hand member and supporting member 44 of the connecting rod 55
56, there is provided the power for making bracket 51 be moved in parallel on the direction of the state pressing from Fig. 5 state to Fig. 6.
On the pivot 45 of connecting rod 46 for forming the drive mechanism 41, the base end part of lever 58 is integratedly installed.At this
The leading section of lever 58 is equipped with action pin 59.The upper side of the action pin 59 is as shown in figure 4, can be with being integrally provided at sedan-chair
The action component 72 of the door face board 25a sides of railway carriage or compartment door 25 engages and configured.
When car door 25 is in the shutdown end position of Fig. 3 expressions completely closed, action pin 59 is as shown in figure 4, with setting
Action component 72 in door face board 25a sides engages.Therefore, drive mechanism 41 is retained as the repulsive force savings of operating spring 56
Fig. 5 state.That is, plug members 35 are maintained at the retreating position shown in Fig. 8.
In contrast, if car door 25 start work and enabling that door face board 25a starts from Fig. 3 shutdown end is moved
Make, then the action component 72 of the side of car door 25 is from Fig. 4 state to the movement of diagram right, so the engaging with the action component 72
It is released from.Therefore, form drive mechanism 41 each connecting rod 46,47,48,49 by the repulsive force of operating spring 56 and with pivot 45
Centered on rotated in an anti-clockwise direction around diagram.By the action of the drive mechanism 41, bracket 51 and it is supported on via flat spring 52
Plug members 35 on the bracket 51 are sent out by the state from Fig. 5 to Fig. 6 state.That is, plug members 35 represent from Fig. 8
The blocking position movement that retreating position represents into Fig. 7.
On the other hand, in the case where the full-gear that car door 25 represents from Fig. 2 is closed, closed by door face board 25a
Close near the shutdown end represented in Fig. 3, action component 72 and the action pin 59 of the side of drive mechanism 41 are blocked as shown in Figure 4
Close.Therefore, the lever 58 with action pin 59 is driven by the door face board 25a power for closing direction to diagram clockwise.
That is, drive mechanism 41 is supported on the bracket 51 by the door face board 25a power for closing direction by bracket 51 and via flat spring 52
Plug members 35 sent back to from Fig. 6 state to Fig. 5 state.Therefore, the blocking position that plug members 35 represent from Fig. 7 to
The retreating position movement represented in Fig. 8.
So, drive mechanism 41 is by the door opening action from the shutdown end of car door 25, the engaging quilt with action component 72
Release, so allowing movement of the plug members 35 that the repulsive force from operating spring 56 is brought to blocking position.In addition, with sedan-chair
Movement of the railway carriage or compartment door 25 to shutdown end, engage with the action component 72 of the side of car door 25, by the locomotivity of car door 25, make to be in
The plug members 35 of blocking position are moved to retreating position.
Here, passenger door 25 open and the gap between door 31,32 be blocked plunger member 35 block in the state of by going out
Entrance 24 and relative to the boarding of car 4.Now, the epigranular foreign matter of the sand grains on the footwear for being attached to passenger drops to gap
Situation on the upper surface 35A of the plug members 35 of blocking.
Plug members 35 slide with the closing action of door towards retreating position.In conventional device, keeping out of the way position to this
When putting mobile, the foreign matter on plug members 35 is possible to be clamped between the lower surface of cage side door.
So in embodiment of the present utility model, it is configured to, as shown in figure 9, blocking up residing for the foreign matter 81 for making to drop
The upper surface 35A of plunger member 35 is tilted, so that as towards the leading section of the moving direction moved to blocking position, (diagram is left
End) and upper surface 35A step-downs, foreign matter 81 are not clamped between the lower surface of cage side door 31.
In addition, the part represented in fig.9 with label 83 is, the diagram left end and the door 32 of stop side of plug members 35
Side abut when buffering soft material.
In said structure, if the implantation of car 4 and car door 25 carry out door opening action, drive mechanism from full-shut position
41 because the engaging with action component 72 is released from, so making plug members 35 from Fig. 5 by the repulsive force of action panel 56
The blocking position movement that the retreating position of middle expression represents into Fig. 6, the gap between door 31,32 is blocked.So, in door 25
Open and by plug members 35 by between door 31,32 gap block in the state of, passenger by gateway 24 and relative to
The boarding of car 4.Now, the foreign matter 81 for having the sand grains on the footwear for being attached to passenger etc. drops to the plug members 35 for blocking gap
On situation.
Then, to make car door 25 is carried out shutdown action to the floor for having calling is mobile.As the shutdown acts, drive
Motivation structure 41 makes plug members 35 be slided towards the retreating position of the bottom of cage side door 31.Now, due to plug members 35
Upper surface 35A tilted in a manner of illustrating left step-down, so as movement of the plug members 35 to retreating position is (to diagram
The movement of right), as represented in Figure 10 (a), Figure 10 (b), broadened with the interval of the lower surface of door 31.Therefore, such as
Like that, foreign matter 81 is sandwiched between the upper surface of plug members 35 and the lower surface of cage side door 31, will not be hindered in the past
The movement of plug members 35.
In addition, the inclined upper surface 35A of plug members 35 it is not absolutely required to be linear plane, as long as with
Shape that plug members 35 broaden to the movement of retreating position and with the interval of the lower surface of door 31 or by curved
Into inclined plane.
In the above-described embodiment, drive mechanism 41 is configured to as shown in Figures 5 and 6, passes through operating spring 56
Repulsive force, always bracket 51 is released towards stop side, but can also be configured to, instead of operating spring 56 in identical place
The back-moving spring 66 for producing tensile force is set, always applies and represents bracket 51 and the plug members being supported by 35 into Fig. 5
The power that retracts of retreating position.
In the case, the action pin 59 of drive mechanism 41 is formed as being represented Figure 11, passes through starting for car door 25
Make, abut engaging with the action component 42 being located on door face board 25a, rotate counterclockwise lever 58.That is, action pin 59 passes through sedan-chair
Railway carriage or compartment door 25, which start, to be accomplished defined open position and engaging is abutted with action component 42, makes lever 58 and the pivot integral with it
45 rotate in an anti-clockwise direction to diagram.By the action of the drive mechanism 41, it is supported on by bracket 51 and via flat spring 52
The plug members 35 on top are sent out from retreating position to blocking position.
Some embodiments of the present utility model are illustrated, but these embodiments are prompted as an example, are not meant to
Limit the scope of utility model.These new embodiments can be implemented in the form of other are various, not depart from practicality
Various omissions can be carried out in the range of new purport, are replaced, change.These embodiments and its deformation are included in
In the scope or purport of utility model, and included in the utility model described in claims and the scope of equal value with it
In.
Technical scheme (1) is a kind of lift appliance, it is characterised in that
Possess:The door of cage side, the car door being located at the gateway of car is opened and closed on direction at it and guided;
The door of stop side, by be located at above-mentioned car can implantation each floor stop door from the gateway to above-mentioned car
It is opened and closed on direction and guides at it;
Plug members, it can be blocked in the gap that will occur between the door of the door of above-mentioned cage side and stop side
Moved between the retreating position of the bottom of blocking position and the door of above-mentioned cage side;
Drive mechanism, work is started with above-mentioned car door, above-mentioned plug members is blocked up from above-mentioned retreating position to above-mentioned
Position movement is filled in, action is closed with above-mentioned car door, makes above-mentioned plug members from above-mentioned blocking position to above-mentioned retreating position
It is mobile;
Above-mentioned plug members with its upper surface with towards to above-mentioned blocking position move moving direction leading section and
The mode of step-down tilts.
Technical scheme (2) is the lift appliance described in technical scheme (1), it is characterised in that
The upper surface of above-mentioned plug members is tilted with curved.
Claims (2)
1. a kind of lift appliance, it is characterised in that possess:
The door of cage side, the car door being located at the gateway of car is opened and closed on direction at it and guided;
The door of stop side, by be located at above-mentioned car can implantation each floor to above-mentioned car come in and go out gateway at stop
Men Qi opening and closings guide on direction;
Plug members, it can be moved between the retreating position of blocking position and the bottom of the door of above-mentioned cage side, it is above-mentioned stifled
Plunger member blocks caused gap between the door of above-mentioned cage side and the door of stop side in blocking position;And
Drive mechanism, work is started with above-mentioned car door, make above-mentioned plug members from above-mentioned retreating position to above-mentioned blocking position
Movement is put, action is closed with above-mentioned car door, above-mentioned plug members is moved from above-mentioned blocking position to above-mentioned retreating position,
Above-mentioned plug members with its upper surface with towards to above-mentioned blocking position move moving direction leading section and step-down
Mode tilt.
2. lift appliance as claimed in claim 1, it is characterised in that
The upper surface of above-mentioned plug members is tilted with curved.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-215065 | 2016-11-02 | ||
JP2016215065A JP6306125B1 (en) | 2016-11-02 | 2016-11-02 | Elevator equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207129817U true CN207129817U (en) | 2018-03-23 |
Family
ID=61631513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720617945.7U Active CN207129817U (en) | 2016-11-02 | 2017-05-31 | Lift appliance |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6306125B1 (en) |
CN (1) | CN207129817U (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020059075A1 (en) * | 2018-09-20 | 2020-03-26 | 三菱電機株式会社 | Falling object sensing apparatus for elevator |
JP7234296B2 (en) * | 2021-06-10 | 2023-03-07 | 東芝エレベータ株式会社 | Guide device and elevator device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2889036B2 (en) * | 1992-01-30 | 1999-05-10 | 株式会社東芝 | Elevator threshold equipment |
JPH08169675A (en) * | 1994-12-19 | 1996-07-02 | Toshiba Corp | Doorway of elevator |
JPH1017252A (en) * | 1996-06-28 | 1998-01-20 | Hitachi Building Syst Co Ltd | Elevator car |
JP2005082268A (en) * | 2003-09-05 | 2005-03-31 | Toshiba Elevator Co Ltd | Running clearance closing device for elevator |
JP4928224B2 (en) * | 2006-11-06 | 2012-05-09 | 日本オーチス・エレベータ株式会社 | Elevator sill gap closing device |
WO2008114344A1 (en) * | 2007-03-16 | 2008-09-25 | Mitsubishi Electric Corporation | Doorway device for elevator |
-
2016
- 2016-11-02 JP JP2016215065A patent/JP6306125B1/en active Active
-
2017
- 2017-05-31 CN CN201720617945.7U patent/CN207129817U/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP6306125B1 (en) | 2018-04-04 |
JP2018070363A (en) | 2018-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107074502B (en) | Elevator car door device | |
JP6388418B1 (en) | Elevator equipment | |
CN207129817U (en) | Lift appliance | |
EP1886963A2 (en) | Car door lock | |
US20070114817A1 (en) | Raising mechanism for a sliding roof and vehicle roof comprising such raising mechanism | |
KR102615878B1 (en) | Divided door structure | |
CN103079983A (en) | Lift shaft door unlocking mechanism | |
CN104379486A (en) | Lift cage door provided with an improved blocking/releasing device of the mechanism | |
JPWO2018138896A1 (en) | Elevator equipment | |
CN102502382B (en) | Heavy punch type lift car door lock mechanism | |
CN104709037B (en) | Driving mechanism and the Open roof construction for being provided with driving mechanism | |
CN207016334U (en) | Lift appliance | |
CN209668583U (en) | A kind of cargo lift | |
CN105438941B (en) | Door cutter mechanism | |
CN109626185A (en) | Freight elevator | |
JP6068602B1 (en) | Elevator equipment | |
JP2007084294A (en) | Elevator door system | |
CN206336902U (en) | Lift appliance | |
JP2012111296A (en) | Movable platform fence | |
CN100396579C (en) | Door structure of container, its making method and the container therewith | |
JP5981628B1 (en) | Elevator equipment | |
US20110114423A1 (en) | Elevator Safety System with Bar to Prevent Shaft Entry | |
JP4176774B2 (en) | Drive unit for movable body | |
KR100996114B1 (en) | Safety door coupled to industrial elevator | |
CN204778245U (en) | Elevator apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |