CN106292242A - Time-division-hand planetary display transmission mechanism of watch - Google Patents

Time-division-hand planetary display transmission mechanism of watch Download PDF

Info

Publication number
CN106292242A
CN106292242A CN201510320727.2A CN201510320727A CN106292242A CN 106292242 A CN106292242 A CN 106292242A CN 201510320727 A CN201510320727 A CN 201510320727A CN 106292242 A CN106292242 A CN 106292242A
Authority
CN
China
Prior art keywords
wheel
hour
planet
plate
minute hand
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
Application number
CN201510320727.2A
Other languages
Chinese (zh)
Other versions
CN106292242B (en
Inventor
张福云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Seagull Watch Group Co Ltd
Original Assignee
Tianjin Seagull Watch Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Seagull Watch Group Co Ltd filed Critical Tianjin Seagull Watch Group Co Ltd
Priority to CN201510320727.2A priority Critical patent/CN106292242B/en
Publication of CN106292242A publication Critical patent/CN106292242A/en
Application granted granted Critical
Publication of CN106292242B publication Critical patent/CN106292242B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Electromechanical Clocks (AREA)

Abstract

The invention discloses a watch time minute hand planetary display transmission mechanism, wherein the kinetic energy of a movement is transmitted to an hour wheel, a minute hand plate and a bottom plate are connected into a whole through a dowel pipe, an upper hour wheel is fixedly arranged on the hour wheel, the upper hour wheel is meshed with a planet wheel component, the planet wheel component is respectively meshed with a planet central wheel and an hour hand plate wheel, the hour hand plate wheel is meshed with the hour hand plate wheel component, and a wheel pipe of the hour hand plate wheel penetrates through a rotary hole on the minute hand plate and drives the hour hand plate arranged on the wheel pipe to rotate; the hour wheel component is meshed with the hour wheel component, and the hour wheel drives the hour needle arranged on the hour wheel component to rotate. The beneficial effects are that: because the power source is output by the hour wheel and the motion is transmitted by adopting the gear train meshing, the problems of overlarge wheel load of the minute wheel and friction transmission failure of the minute wheel sheet caused by the shift of the gravity center due to the direct output of the minute wheel are effectively avoided; in addition, the ball bearing is connected with the bottom plate, so that the energy loss of the movement is greatly reduced.

Description

Minute hand planet display drive mechanism during a kind of wrist-watch
Technical field
The present invention relates to a kind of watch displays mechanism, when particularly relating to a kind of wrist-watch, minute hand planet display drive mechanism.
Background technology
In today that science and technology is highly developed, stem-winder is the most no longer single persond eixis instrument, and is more to be had by consumer as a kind of ornaments.Therefore, in order to win the market, the target that the watch design person of becoming attractive in appearance, novel competitively pursue, the movement of various styles the most competitively comes on stage, and the movement indication mechanism wherein with uniqueness is one therein.
The patent of Publication No. CH 692257 A5 discloses a kind of timing display device, as shown in Figure 1: this indication mechanism uses planetary transmission structure, it may be assumed that disk M is with 60 points/clockwise direction's uniform rotation of turning, and it functions as minute hand;Meanwhile, equipped with hour hands on little hour indicator H on disk M and little hour wheel A of little hour wheel A() the most therewith center around disk M rotate clockwise, i.e. revolve round the sun.Meanwhile, little hour wheel A then drives hour hands to complete the instruction function of hour hands around the center rotating of little hour indicator H with the 12 hours/clockwise direction that turns relative to little hour indicator H, and during upper 12 of the least hour indicator H, the position of symbol remains upward.Specifically: this mechanism is by base plate C, central canal CC, rotating disk P, disk M, two planet gyration axle TR, planetary gear R1, R2, fixed center wheel F, little hour wheel A, hour plate wheel D, little hour indicator H forms, its operation principle is: movement motion is passed to the disk M pressed together with it by minute wheel, disk M is made to turn clockwise with the speed (60 points/turn) as minute wheel, disk M is connected as one with disk P by axle TR, and drive disk P to rotate around central canal CC with identical speed, thus drive planetary gear R1 and planetary gear R2 respectively around two planet gyration axle TR rotations, simultaneously around fixed center wheel F revolution.Meanwhile, the rotating shaft G that planetary gear R1 drives hour plate wheel D being engaged with to be secured around on rotating disk P rotates counterclockwise thus drives the little hour indicator H pressed together with D to rotate counterclockwise, and then eliminates due to the angle of symbol deviation origin-location when P rotates clockwise the little hour indicator 12 caused;Planetary gear R2 drives little hour wheel A being engaged with to turn clockwise around G axle, and little hour wheel studs with hour hands, and hour hands turn clockwise therewith.
nullCan be seen that from Fig. 1,Although the structure of this kind of timing indication mechanism is simpler,But,This disk M is directly anchored on minute wheel,The transmission means of disk M is directly driven by minute wheel,Make the moment of resistance suffered by minute wheel bigger,This transmission means uses for the main transmission shown in Fig. 2 and is passed motion to minute wheel by minute wheel sheet by friction mode thus drive the structure of index system,Easily cause friction transmission failure,That is: the train that moves through of movement passes to minute wheel sheet,And owing to disk M is directly anchored on minute wheel,When on disk M equipped with other parts,The overall deviation of gravity center centre of gyration of minute wheel of disk M can be made,When movement is in " upper " or " under " position,This moment of resistance due to centre-of gravity shift generation is for relying on frictional fit to drive the minute wheel sector-meeting of minute wheel to produce the biggest burden,It could even be possible to occur that minute wheel sheet can not drive minute wheel to rotate,I.e. rub transmission failure.
Specifically: as shown in Figure 2, timepiece movement generally use time minute hand display function transmission form be: movement moves through train engaged transmission and passes to three tooth axles 1 ', thus drives the minute wheel sheet 2 ' engaged with three tooth axles 1 ' with 60 points/clockwise direction's rotation of turning;Minute wheel sheet 2 ' is fitted on minute wheel 3 ' in the way of frictional fit, thus drives minute wheel 3 ' to rotate with identical speed;Minute wheel 3 ' drives the back gear sheet 4 ' being engaged with to rotate counterclockwise, back gear sheet 4 ' drives pressing to be therewith overall rotating across tooth axle 5 ', the hour wheel 6 ' being engaged with is driven to rotate with the clockwise direction of 12 hours/turns across tooth axle 5 ', it is respectively provided with minute hand, hour hands in minute wheel 3 ', hour wheel 6 ', thus completes time indicating function.Due to frictional fit between minute wheel sheet and minute wheel, when the moment of resistance suffered by minute wheel is more than the moment of friction between minute wheel sheet and minute wheel, minute wheel sheet cannot drive minute wheel to rotate, so that follow-up driving-chain fracture.
Summary of the invention
The technical problem to be solved is to provide a kind of installs simple, and minute wheel load is little and transmission is difficult to lose efficacy, minute hand planet display drive mechanism during movement energy loss little wrist-watch.
The technical solution adopted in the present invention is: minute hand planet display drive mechanism during a kind of wrist-watch, including, minute hand dish, base plate, hour wheel, upper hour wheel, ball bearing assemblies, planetocentric wheel, planetary gear parts, time idle wheel parts, time idle wheel, hour plate wheel, little hour indicator, hour wheel component and little hour hands;The kinetic energy of movement passes to hour wheel, described minute hand dish is connected as one by tapped foot with base plate, upper hour wheel is fixedly mounted in hour wheel, described upper hour wheel engages with planetary gear parts, planetary gear parts engage with planetocentric wheel and a hour plate wheel respectively, hour plate wheel with time idle wheel parts engage, the wheel pipe of hour plate wheel is through the rotary hole on minute hand dish, and drives the little hour indicator being arranged on wheel pipe to rotate;Time described idle wheel parts with time idle wheel engage, time idle wheel engage with a hour wheel component, time idle wheel drive the little hour hands that are arranged on hour wheel component to rotate.
Described planetary gear parts include being pressed into without planet one takes turns sheet in relative rotation, planet two takes turns sheet and planet tooth axle, and upper hour wheel is taken turns sheet with planet one and engaged, and planet two is taken turns sheet and engaged with planetocentric wheel, and planet tooth axle engages with a hour plate wheel;Time idle wheel parts include being pressed into without idle wheel sheet time in relative rotation and time Jie's tooth axle, described idle wheel sheet engages with a hour plate wheel, time Jie's tooth axle with time idle wheel engage;Hour wheel component includes without the least hour wheel sheet and hour wheel shaft, time idle wheel engage with little hour wheel sheet;Within described hour, plate wheel empty set is on hour wheel shaft, and hour wheel shaft can be through the wheel pipe of hour plate wheel, and the wheel pipe of hour plate wheel passes the rotary hole on minute hand dish with the form of matched in clearance;Little hour hands are fitted on hour wheel shaft, and with a hour wheel shaft synchronous axial system.
Described minute hand dish and base plate corresponding position have rotary hole, stud with jewel bearing in rotary hole;During described planetary gear parts, idle wheel parts, time idle wheel and hour wheel component be arranged at the rotary hole on base plate and minute hand dish, planetary gear parts, idle wheel parts, time idle wheel and hour wheel component can rotate around its respective centre of gyration.
Described ball bearing assemblies includes, internal ring, outer shroud and ball;Internal ring is fixed on movement clamping plate, and outer shroud rivets together with base plate, and outer shroud can be freely rotatable around internal ring by ball;Described planetocentric wheel is fixedly mounted on internal ring centered by the center O of internal ring.
The invention has the beneficial effects as follows: exported by hour wheel due to power source and use train to engage transmitting movement, therefore, effectively prevent that directly export caused minute wheel load due to minute wheel excessive, centre-of gravity shift causes the problem that minute wheel sheet frictional drive lost efficacy;It addition, ball bearing connecting bottom board also greatly reduces the loss of movement energy.
Accompanying drawing explanation
Fig. 1 is plane and the axial arrangement schematic diagram of timing display device in prior art;
Fig. 2 is that in prior art, main transmission uses minute wheel sheet frictional drive form to drive the axial schematic diagram of index system;
The floor map of minute hand planet indication mechanism when Fig. 3 is the present invention;
The axial schematic diagram of minute hand planet indication mechanism when Fig. 4 is the present invention.
In figure:
1: minute hand dish 2: base plate 3: hour wheel 4: upper hour wheel
5: internal ring 6: outer shroud 7: ball 8: planetocentric is taken turns
9: planet one takes turns sheet 10: planet two takes turns sheet 11: planet tooth axle
12: time idle wheel sheet 13: time Jie's tooth axle 14: time idle wheel
15: hour plate wheel 16: little hour indicator 17: little hour wheel sheet
18: hour wheel shaft 19: little hour hands.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
As shown in Figure 3 and Figure 4, during wrist-watch of the present invention minute hand planet display drive mechanism, including: minute hand dish 1, base plate 2, hour wheel 3, upper hour wheel 4, internal ring 5, outer shroud 6, ball 7, planetocentric wheel 8, planet one takes turns sheet 9, planet two takes turns sheet 10, planet tooth axle 11, time idle wheel sheet 12, time Jie's tooth axle 13, time idle wheel 14, hour plate wheel 15, little hour indicator 16, little hour wheel sheet 17, hour wheel shaft 18, little hour hands 19;Described minute hand dish 1 is linked together by tapped foot C1, C2 with base plate 2 so that minute hand dish 1 and base plate 2 can synchronous axial system, have rotary hole B15, B16, B17, B18 at minute hand dish 1 and base plate 2 corresponding position, rotary hole studs with jewel bearing;Described upper hour wheel 4 is fixedly mounted in hour wheel 3, and synchronous rotation;Described internal ring 5, outer shroud 6, ball 7 are assembled into ball bearing assemblies, wherein internal ring 5 is fixed on transfixion on movement clamping plate, outer shroud 6 can be freely rotatable around internal ring 5 by ball, and rivet together with base plate 2, enable base plate freely rotatable around internal ring center O, thus drive minute hand dish 1 freely rotatable;Described planetocentric wheel 8 is fixedly mounted on internal ring 5 centered by the O of internal ring center;Described planet one takes turns sheet 9, planet two takes turns sheet 10, planet tooth axle 11 is pressed into without planetary gear parts in relative rotation, and planetary gear parts are arranged at the B15 of base plate 2 and minute hand dish 1, it is possible to rotate around centre of gyration B15;Idle wheel sheet 12 time described, time Jie's tooth axle 13 be pressed into without idle wheel parts time in relative rotation, time idle wheel parts be arranged on the B18 on base plate 2 and minute hand dish 1 at, it is possible to around centre of gyration B18 rotation;Time described, idle wheel 14 is installed at B17 on a base plate 2, and can rotate with B17 for the centre of gyration;Described little hour wheel sheet 17, hour wheel shaft 18 are assembled into without wheel component time the least, are arranged at the B16 of base plate 2, and can rotate with B16 for the centre of gyration;Within described hour, plate wheel 15 empty set is on hour wheel shaft 18, and hour wheel shaft 18 can be through the wheel pipe of hour plate wheel 15, and the pipe form with matched in clearance of taking turns of hour plate wheel 15 is through the through hole at B16 on minute hand dish 1;Within described hour, wheel disc 16 is fitted on the wheel pipe of hour plate wheel 15, and synchronous axial system centered by B16 hole therewith;Described little hour hands 19 are fitted on hour wheel shaft 18, and with little hour wheel synchronous axial system.
The operation principle of the present invention is: when movement runs, and the kinetic energy of movement passes to hour wheel 3 by certain gear ratio, thus drives connected upper hour wheel 4 synchronous axial system being integrated;Upper hour wheel 4 drives the planet one being engaged with to take turns sheet 9 and rotates around centre of gyration B16;Owing to planet one takes turns sheet 9, planet two takes turns sheet 10, planet tooth axle 11 consists of without parts in relative rotation, engage simultaneously because planet two takes turns sheet 10 with planetocentric wheel 8, and planetocentric takes turns 8 transfixions, so that planetary gear parts rotate around centre of gyration O again while rotating around centre of gyration B16, thus drive the connector of minute hand dish 1 and base plate 2 around centre of gyration O with the 60 points/speed that turns, planet tooth axle 11 drives hour plate wheel 15 that is engaged with to rotate counterclockwise with the 60 points/speed that turns around centre of gyration B16 thus drives little hour indicator 16 to synchronize to rotate counterclockwise simultaneously, during to keep 12 on little hour indicator 16, symbol direction is the most constant;Within described hour, plate wheel 15 drives the idle wheel sheet 12 being engaged with to rotate around centre of gyration B18, and then when passing through, Jie's tooth axle 13 drives the time idle wheel 14 being engaged with to rotate around centre of gyration B17;Time described, idle wheel 14 drives the little hour wheel sheet 17 being engaged with to rotate clockwise around centre of gyration B16, thus drive little hour hands 19 to rotate clockwise, so far, during planet, minute hand indication mechanism just complete the instruction function of time, that is: minute hand dish 1 instruction minute, the instruction hour of little hour hands;Wherein, little hour indicator 16 and little hour hands 19, around while centre of gyration B16 autobiography, also to revolve round the sun around center O with minute hand armor.

Claims (4)

1. minute hand planet display drive mechanism during a wrist-watch, it is characterized in that, including, minute hand dish (1), base plate (2), hour wheel (3), upper hour wheel (4), ball bearing assemblies, planetocentric wheel (8), planetary gear parts, time idle wheel parts, time idle wheel (14), hour plate wheel (15), little hour indicator (16), hour wheel component and little hour hands (19);The kinetic energy of movement passes to hour wheel (3), described minute hand dish (1) is connected as one by tapped foot with base plate (2), upper hour wheel (4) is fixedly mounted in hour wheel (3), described upper hour wheel (4) is engaged with planetary gear parts, planetary gear parts engage with planetocentric wheel (8) and hour plate wheel (15) respectively, hour plate wheel (15) with time idle wheel parts engage, the wheel pipe of hour plate wheel (15) is through the rotary hole on minute hand dish (1), and drives the little hour indicator (16) being arranged on wheel pipe to rotate;Time described idle wheel parts with time idle wheel (14) engage, time idle wheel (14) engage with a hour wheel component, time idle wheel (14) drive the little hour hands (19) that are arranged on hour wheel component to rotate.
Minute hand planet indication mechanism during wrist-watch the most according to claim 1, it is characterized in that, described planetary gear parts include being pressed into without planet one takes turns sheet (9) in relative rotation, planet two takes turns sheet (10) and planet tooth axle (11), upper hour wheel (4) is taken turns sheet (9) and is engaged with planet one, planet two is taken turns sheet (10) and is engaged with planetocentric wheel (8), and planet tooth axle (11) engages with a hour plate wheel (15);Time idle wheel parts include being pressed into without idle wheel sheet (12) time in relative rotation and time Jie's tooth axle (13), described idle wheel sheet (12) is engaged with a hour plate wheel (15), time Jie's tooth axle (13) with time idle wheel (14) engage;Hour wheel component includes without the least hour wheel sheet (17) and hour wheel shaft (18), time idle wheel (14) engage with little hour wheel sheet (17);Within described hour, plate wheel (15) empty set is on a hour wheel shaft (18), hour wheel shaft (18) can through the wheel pipe of hour plate wheel (15), the wheel pipe of hour plate wheel (15) with the form of matched in clearance through the rotary hole on minute hand dish (1);Little hour hands (19) are fitted on a hour wheel shaft (18), and with a hour wheel shaft synchronous axial system.
The most according to claim 1 during wrist-watch minute hand planet display drive mechanism, it is characterised in that described minute hand dish (1) and base plate (2) corresponding position have rotary hole, stud with jewel bearing in rotary hole;During described planetary gear parts, idle wheel parts, time idle wheel (14) and hour wheel component be arranged at the rotary hole on base plate (2) and minute hand dish (1), planetary gear parts, idle wheel parts, time idle wheel (14) and hour wheel component can rotate around its respective centre of gyration.
Minute hand planet display drive mechanism during wrist-watch the most according to claim 1, it is characterised in that described ball bearing assemblies includes, internal ring (5) , outer shroud (6) and ball (7);Internal ring (5) is fixed on movement clamping plate, and outer shroud (6) rivets together with base plate (2), and it is freely rotatable around internal ring (5) that outer shroud (6) can pass through ball (7);Described planetocentric wheel (8) is fixedly mounted on internal ring (5) centered by the center O of internal ring (5).
CN201510320727.2A 2015-06-11 2015-06-11 Time-division-hand planetary display transmission mechanism of watch Active CN106292242B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510320727.2A CN106292242B (en) 2015-06-11 2015-06-11 Time-division-hand planetary display transmission mechanism of watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510320727.2A CN106292242B (en) 2015-06-11 2015-06-11 Time-division-hand planetary display transmission mechanism of watch

Publications (2)

Publication Number Publication Date
CN106292242A true CN106292242A (en) 2017-01-04
CN106292242B CN106292242B (en) 2017-12-22

Family

ID=57660333

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510320727.2A Active CN106292242B (en) 2015-06-11 2015-06-11 Time-division-hand planetary display transmission mechanism of watch

Country Status (1)

Country Link
CN (1) CN106292242B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106773592A (en) * 2017-01-23 2017-05-31 飞亚达(集团)股份有限公司 A kind of planetary gear system and wrist-watch
CN107422626A (en) * 2017-09-13 2017-12-01 杭州正驰达精密机械有限公司 A kind of rotating shaft positioning structure of autoplugger

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1033887A (en) * 1987-09-25 1989-07-12 株式会社精工舍 Structure of three-hand type clock
EP0549941A1 (en) * 1991-12-28 1993-07-07 Compagnie des Montres Longines, Francillon S.A. Mechanical and/or electromechanical timepiece provided with automatic retrograde display means
CH692257A5 (en) * 1997-10-20 2002-04-15 Vincent Calabrese Watch display has a sub-dial for displaying hours elapsed that rotates around the center of a main dial in a manner analogous to a minute hand, while seconds are displayed using a second hand rotating around the main dial
CN103713510A (en) * 2012-10-08 2014-04-09 天津海鸥表业集团有限公司 Annular hour-minute hand display mechanism of mechanical watch
CN204790321U (en) * 2015-06-11 2015-11-18 天津海鸥表业集团有限公司 Time minute hand planetary display transmission mechanism of watch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1033887A (en) * 1987-09-25 1989-07-12 株式会社精工舍 Structure of three-hand type clock
EP0549941A1 (en) * 1991-12-28 1993-07-07 Compagnie des Montres Longines, Francillon S.A. Mechanical and/or electromechanical timepiece provided with automatic retrograde display means
CH692257A5 (en) * 1997-10-20 2002-04-15 Vincent Calabrese Watch display has a sub-dial for displaying hours elapsed that rotates around the center of a main dial in a manner analogous to a minute hand, while seconds are displayed using a second hand rotating around the main dial
CN103713510A (en) * 2012-10-08 2014-04-09 天津海鸥表业集团有限公司 Annular hour-minute hand display mechanism of mechanical watch
CN204790321U (en) * 2015-06-11 2015-11-18 天津海鸥表业集团有限公司 Time minute hand planetary display transmission mechanism of watch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106773592A (en) * 2017-01-23 2017-05-31 飞亚达(集团)股份有限公司 A kind of planetary gear system and wrist-watch
CN106773592B (en) * 2017-01-23 2022-03-25 飞亚达(集团)股份有限公司 Planetary gear system and watch
CN107422626A (en) * 2017-09-13 2017-12-01 杭州正驰达精密机械有限公司 A kind of rotating shaft positioning structure of autoplugger
CN107422626B (en) * 2017-09-13 2022-10-11 杭州正驰达精密机械有限公司 Rotating shaft positioning structure of automatic hammer

Also Published As

Publication number Publication date
CN106292242B (en) 2017-12-22

Similar Documents

Publication Publication Date Title
JP5479492B2 (en) Mechanical watch with a tourbillon capable of both rotation and revolution
CN105607456A (en) Split-seconds device with epicycloidal train for timepiece
CN105487367B (en) Coaxial disengagable wheel for watch and clock movement
JP2021189163A (en) Horological display mechanism with elastic hand
CN204790321U (en) Time minute hand planetary display transmission mechanism of watch
CN106292242A (en) Time-division-hand planetary display transmission mechanism of watch
CN205600600U (en) Electric spanner's transmission structure
CN103092051B (en) Floating rotation tourbillion mechanical watch
US10281878B2 (en) Watch mechanism
CN103439872B (en) Top flywheel planet clockwork
CN102566392B (en) Watch
WO2016019785A1 (en) Sky display mechanism for watch
CN206331250U (en) The double pointer energy display mechanisms of a kind of pair of barrel
CN208060939U (en) A kind of graduation indication system and wrist-watch
CN209417529U (en) Starry sky and moon phase display mechanism in watch
CN207216281U (en) A kind of time displaying structure and the wrist-watch using the structure
CN202815437U (en) Watch
CN203376564U (en) Automatic winding mechanism of planetary gear train of pearl tourbillon watch
CN110095971A (en) Machine core and clock and watch
CN108445729A (en) A kind of graduation indication system, method and wrist-watch
CN201269973Y (en) Time hopping indication mechanism for wristwatch
CN203535392U (en) Clock
CN201045635Y (en) Power transmission mechanism of track top flywheel watch
CN206411458U (en) A kind of planetary gear system and wrist-watch
CN202306152U (en) Floating rotating tourbillon mechanical-watch

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