CN205772725U - Passenger conveyors - Google Patents
Passenger conveyors Download PDFInfo
- Publication number
- CN205772725U CN205772725U CN201620486700.0U CN201620486700U CN205772725U CN 205772725 U CN205772725 U CN 205772725U CN 201620486700 U CN201620486700 U CN 201620486700U CN 205772725 U CN205772725 U CN 205772725U
- Authority
- CN
- China
- Prior art keywords
- handrail
- band driving
- passenger conveyors
- guide plate
- footpath
- 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
- Escalators And Moving Walkways (AREA)
Abstract
Embodiment of the present utility model relates to a kind of passenger conveyors.This utility model provides a kind of passenger conveyors, and it can change the diameter of handrail driving chain wheel to adjust the speed of service of handrail.Band driving wheel (72) has: rotary shaft (90)；Guide plate (92)；Tilt component (94), is arranged in before guide plate (92)；First inclined plane (94a), is formed at the rear portion, periphery of tilt component (94), and is formed as more the least toward rear diameter；Fan plate (96), being arranged in the way of moving along direction, footpath before guide plate (92), and is configured with multiple in the way of the angle that interval is identical in the peripheral direction of tilt component (94)；Second inclined plane (96a), is formed at the inner circumferential of fan plate (96), more the least toward rear diameter, and contacts with described first inclined plane (94a)；Bolt (102), to guide plate (92) constant tilt parts (94)；And elastic ring (100), it is arranged in the periphery of six fans plate (96).
Description
Technical field
Embodiment of the present utility model relates to passenger conveyors.
Background technology
The handrail of the passenger conveyors such as escalator and moving sidewalk passes through handrail driving chain wheel drive,
This handrail driving chain wheel synchronously rotates with the main drive sprocket driving step.So that the operation speed of handrail
Spend the mode Tong Bu with step, set rotation number and the diameter of handrail driving chain wheel.
Utility model content
But, at the scene arranging passenger conveyors, there is the rotation that cannot change handrail driving chain wheel
Number and diameter, the technical problem of the speed of service of handrail cannot be adjusted.
Therefore, in view of above-mentioned technical problem, the purpose of embodiment of the present utility model is to provide one
Passenger conveyors, it can change the diameter of handrail driving chain wheel to adjust the speed of service of handrail.
The passenger conveyors of embodiment of the present utility model has: truss；Multiple steps, link cyclization
Shape, and run along described truss；The handrail of pair of right and left, erects the left and right sides being arranged on described step；
Ring-type handrail, around top to the bottom circular flow of described handrail；And the band of described handrail
Driving means, is arranged in the bottom of described handrail；Described band driving means has band driving wheel and configuration
In the pressing roller of the lower section of described band driving wheel, insert between described band driving wheel and described pressing roller
Described handrail；Described band driving wheel has: rotary shaft, synchronously revolves with the speed of service of described step
Turn；The guide plate of rondelle, with described rotating shaft coaxle fix；The tilt component of circular platform type, with institute
It is arranged in the front of described guide plate with stating rotating shaft coaxle；First inclined plane, is formed at described rake
The peripheral part rear portion of part, and be formed as more the least toward rear diameter；Fan-shaped fan plate, with can be along footpath side
It is arranged in before described guide plate to the mode of movement, and in institute in the way of the angle that interval is identical
State and be configured with multiple in the peripheral direction of tilt component；Second inclined plane, is formed at the inner circumferential of described fan plate,
More the least toward rear diameter, and contact with described first inclined plane；Bolt, in coaxial fashion to institute
State guide plate and fix described tilt component；And elastic ring, it is arranged in the periphery of multiple described fan plates.
In passenger conveyors of the present utility model, the diameter of described elastic ring is straight more than described guide plate
Footpath and the diameter of described tilt component.
In passenger conveyors of the present utility model, described band driving means has multiple described band driving wheel
And it is arranged respectively at the multiple described pressing roller of the lower section of each described band driving wheel, at described band driving wheel
And insert described handrail between described pressing roller respectively.
In passenger conveyors of the present utility model, it is formed along direction, footpath between adjacent described fan plate
The gap extended.
In passenger conveyors of the present utility model, formed behind at described fan plate has along the extension of direction, footpath
Ridge, described guide plate be previously formed for described ridge engaging along direction, footpath extend groove,
Described fan plate moves up along described groove in footpath side.
In passenger conveyors of the present utility model, formed behind at described fan plate has along the extension of direction, footpath
Groove, described guide plate be previously formed for described groove engaging along direction, footpath extend ridge, institute
State fan plate to move up along described ridge in footpath side.
In passenger conveyors of the present utility model, it is coaxially disposed with multiple described band driving wheels respectively
Chain sprocket, hangs with ring-type band in described chain sprocket and drives chain, drives described band to drive chain,
So that multiple described band driving wheels rotate integratedly.
In passenger conveyors of the present utility model, have: main drive sprocket, drive described step；With
And handrail sprocket wheel, synchronously rotate with described main drive sprocket；Described handrail sprocket wheel hangs with institute
State band and drive chain.
In passenger conveyors of the present utility model, described elastic ring is that rubber is made.
In passenger conveyors of the present utility model, described passenger conveyors is escalator or from moving
Trade.
Accompanying drawing explanation
Fig. 1 is the signal observed from the side of the escalator illustrating an embodiment of the present utility model
Figure.
Fig. 2 is the front view of band driving means.
Fig. 3 is the schematic diagram of band driving means.
Fig. 4 is the vertical profile profile of band driving wheel.
Fig. 5 is the front view of band driving wheel.
Detailed description of the invention
According to Fig. 1 to Fig. 5, the passenger conveyors of embodiment of the present utility model is illustrated.At this
In embodiment, illustrate using escalator 10 as passenger conveyors.
(1) escalator 10
According to Fig. 1, the structure of escalator 10 is illustrated.Fig. 1 is to observe escalator from side
The schematic diagram of 10.
The upper and lower of building 1 crossed over by truss 12 as the framework of escalator 10, and use
Support angle 2,3 is bearing in the upper and lower of building 1.
Inside the Machine Room 14 of upper layer side being positioned at truss 12 upper end, it is provided with and makes step 30 run
Driving means 18, the main drive sprocket 24,24 of pair of right and left and the handrail sprocket wheel of pair of right and left
27、27.This driving means 18 has: motor 20；Reductor；Output chain gear, is installed on this reductor
Output shaft；Drive chain 22, driven by this output chain gear；And disk brake, it is used for making electricity
The rotation of machine 20 stops, and keeps halted state.The main drive sprocket 24,24 of pair of right and left passes through
This driving chain 22 rotates.The main drive sprocket 24,24 of pair of right and left and the handrail band chain of pair of right and left
Wheel 27,27 is linked by not shown linking belt, and synchronously rotates.It addition, at the machinery of upper layer side
Room 14 is internally provided with control portion 50, and described control portion 50 controls motor 20 and disk brake etc..
In the Machine Room 16 of the lower layer side being positioned at truss 12 bottom, it is provided with the driven of pair of right and left
Sprocket wheel 26,26.The pair of right and left of main drive sprocket 24,24 and lower layer side in the pair of right and left of upper layer side
Driven sprocket 26,26 between hang with the ring-type step chain 28,28 of pair of right and left.In pair of right and left
Step chain 28,28 on, multiple step 30 is installed at equal intervals.When motor 20 rotates,
The front-wheel 301 of step 30 runs on the not shown guide rail be fixed on truss 12, and trailing wheel 302 is solid
Run on the guide rail 25 of truss 12.
The handrail 36,36 being provided with pair of right and left is erect in the left and right sides of truss 12.At this handrail 36
Top be provided with handrail rail 39, ring-type handrail 38 moves along this handrail rail 39.At handrail 36
The positive basifacial of upper layer side be provided with the front skirt panel 40 of upper layer side, the positive basifacial at lower layer side sets
Be equipped with the front skirt panel 42 of lower layer side, as handrail 38 gateway inlet portion 46,48 respectively from
Front skirt panel 40,42 highlights.
Side lower at handrail 36 is provided with skirt panel 44, step 30 pair of right and left skirt panel 44,
Run between 44.At the medial surface of the skirt panel 44 of levels, be respectively arranged with operation panel 52,56 with
And speaker 54,58.
The handrail 38 of pair of right and left invades in front skirt panel 40 from the inlet portion 46 of upper layer side respectively,
Each handrail 38 is driven by band driving means 70, moves afterwards in skirt panel 44, and from lower layer side
Inlet portion 48 runs to outside front skirt panel 42, and wherein, described band driving means 70 is by described handrail
Belt sprocket 27 drives.And, by handrail sprocket wheel 27 and the common rotation of main drive sprocket 24, hold up
Hand strap 38 synchronously moves with step 30.About band driving means 70, will be described in detail in a later process.
At the end face of the stopping port of skirt panel 44,44 of pair of right and left of upper layer side, i.e. Machine Room 14,
It is horizontally disposed with the lifting board 32 of upper layer side.The boarding of skirt panel 44,44 in the pair of right and left of lower layer side
The end face of mouth, i.e. Machine Room 16, is horizontally disposed with the lifting board 34 of lower layer side.Lifting board in upper layer side
The front end of 32 is provided with the comb 60 of dentation, and step 30 invades this comb 60.It addition, at lower layer side
The front end of lifting board 34 is also equipped with the comb 62 of dentation.
(2) band driving means 70
It follows that according to Fig. 2 and Fig. 3, the structure of band driving means 70 is illustrated.Additionally, band
Driving means 70 is separately positioned on the handrail 38 of pair of right and left.Handrail 38 is rubber or foam
Making, section is C font, including the smooth part of central authorities and the left and right two from this smooth part
The end of side bending extension respectively.
As in figure 2 it is shown, band driving means 70 have four band driving wheels 72 and with these band driving wheels
72 paired pressing roller 74.Four band driving wheels 72 are in line to be arranged in the way of rotatable and prop up
On board 78, it is coaxially disposed chain sprocket 76 with band driving wheel 72 respectively.Second chain
Between wheel 76 and the 3rd chain sprocket 76, support plate 78 is provided with in the way of rotatable auxiliary
Help chain sprocket 80.As it is shown on figure 3, between handrail sprocket wheel 27 and support plate 78, to rotate from
As mode be provided with guiding chain sprocket 82.
As shown in Figures 2 and 3, ring-type handrail drives chain 84 to be erected at handrail sprocket wheel 27, lead
To chain sprocket 82, first and the top of second chain sprocket 76, auxiliary chain sprocket wheel 80 times
In portion, the 3rd and the 4th chain sprocket 76.When the drive sprocket 24 making step 30 run rotates,
Handrail sprocket wheel 27 is synchronously rotated by not shown linking belt, and thus, handrail drives chain 84
Drive, so that four chain sprocket 76 and auxiliary chain sprocket wheel 80 rotate.When four chain sprocket 76
During rotation, four band driving wheels 72 also rotate.Thus, four band driving wheels 72 and drive sprocket 24
Rotary speed synchronously rotates.
As in figure 2 it is shown, be provided with two pressing plate 86 in the bottom of support plate 78.Two pressing plate
Two pressing roller 74,74 it are separately installed with on 86.The installation site of these four pressing roller 74,74 is respectively
Corresponding with the position of four band driving wheels 72.In the both sides of pressing plate 86, press section 88,88 is respectively
Being arranged on support plate 78, described press section 88,88 is by the pressing upward of spiral helicine spring
Plate 86.Pressing plate 86 is pressed upward, pressing roller 74 pressing belt respectively by a pair press section 88,88
Driving wheel 72.
Owing to handrail 38 runs with the most contrary direction in the inside of handrail 36, therefore, handrail
With the most contrary direction on 38 operating paths between four band driving wheels 72 with four pressing roller 74
Run.In this case, the front of handrail 38 is pressed by four pressing roller 74, handrail 38
The back side contacts with band driving wheel 72, is driven by the rotation of this band driving wheel 72, handrail 38 and step
The speed of service of 30 is synchronously run.
(3) structure of band driving wheel 72
It follows that according to Fig. 4 and Fig. 5, the structure of band driving wheel 72 is illustrated.Band driving wheel 72
There are tilt component 94, six fan-shaped fan plates 96, elastic rings of the guide plate 92 of rondelle, rondelle
100 and bolt 102.
Rotary shaft 90 with driving wheel 72 is horizontally set on support plate 78 in the way of rotatable.
The guide plate 92 of rondelle is coaxially disposed within the front of support plate 78 in the front portion of rotary shaft 90.
Chain sprocket 76 and rotary shaft 90 are placed coaxially on the rear of support plate 78.At guide plate 92
On, to be spaced in the way of in the of 60 ° the groove 106 being provided with along the extension of direction, footpath.
The tilt component 94 of circular platform type is coaxially arranged at the front of guide plate 92.Tilt component 94 straight
Footpath is less than the diameter of guide plate 92, it addition, the rear portion, periphery of tilt component 94 is formed with the first inclined plane
94a.First inclined plane 94a is formed as, more toward rear, i.e. the least the closer to guide plate 92 diameter.
Six fan-shaped fan plates 96 are to be spaced between identical angle (60 °) and direction, spaced apart footpath
The mode of gap 98 is arranged on the front of guide plate 92.Formed behind at fan plate 96 has along the extension of direction, footpath
Ridge 108.The ridge 108 of fan plate 96 engages with the groove 106 of guide plate 92.Thus, fan plate 96
Move along direction, footpath before guide plate 92.Fan plate 96 is arranged in outside the tilt component 94 of circular platform type
Perimembranous.Inner peripheral surface at fan plate 96 is formed with the second inclined plane 96a.Second inclined plane 96a is formed as,
More toward rear, i.e. the least the closer to guide plate 92 diameter.Fan plate 96 is being arranged in tilt component 94
During peripheral part, it is configured to the second inclined plane of the first inclined plane 94a making tilt component 94 and fan plate 96
96a contacts.
Bolt 102 is screwed to the center of guide plate 92 from the central coaxial of tilt component 94.At six
Fan plate 96 inner circumferential side, before tilt component 94 and guide plate 92 between be formed with gap 104.
By tighting a bolt 102, making tilt component 94 near guide plate 92, this gap 104 diminishes.Then,
Six fan plates 96 are released to peripheral direction.Now, due to the first inclined plane 94a and the second inclined plane 96a
Contact, therefore, fan plate 96 is released the most laterally.
The elastic ring 100 that ring-type rubber is made is embedded in the periphery of six fan plates 96.When six are fanned plate 96
When outside footpath, direction is moved (state of double dot dash line in Fig. 4), the diameter of elastic ring 100 becomes big.On the contrary
Ground, when six fan plates 96 in footpath, move by direction (state of solid line in Fig. 4), elastic ring 100
Diameter diminishes.Even if additionally, six fan plates 96 outside footpath in direction or footpath direction move, due in phase
It is provided with gap 98, thus without contacting with each other between adjacent fan plate 96,96.Further, since six fans
Plate 96 is provided with elastic ring 100 at peripheral part, thus without highlighting laterally.
As shown in Figure 4, owing to being positioned at elastic ring 100 and the handrail 38 of the periphery of four band driving wheels 72
Rear-face contact, and the front face of pressing roller 74 and handrail 38 press handrail 38, therefore,
When four band driving wheels 72 drive, handrail 38 runs to a traffic direction.Additionally, passing through
When bolt 102 adjusts the diameter of band driving wheel 72, four band driving wheels 72 are adjusted simultaneously.
(4) technique effect
According to present embodiment, by tightening or loosering a bolt 102, make six fan plates 96 to footpath foreign side
To or footpath in direction move, it is possible to change elastic ring 100 diameter, the thus periphery of band driving wheel 72
The rotary speed in portion changes such that it is able to adjust the speed of service of handrail 38.
(5) variation
In the above-described embodiment, guide plate 92 is provided with groove 106, and sets on tilt component 94
Put ridge 108, but it is also possible to instead arrange ridge 108 on guide plate 92, and
Groove 106 is set on tilt component 94.
In the above-described embodiment, apply the structure changing diameter in multiple band driving wheels 72, but,
Can also instead be arranged to, carry out handrail 38 is directly set up on handrail sprocket wheel 27
In the mode driven, change the diameter of this handrail sprocket wheel 27.That is, guide plate 92, tilt component are used
94, multiple fan plates 96 and elastic ring 100 constitute handrail sprocket wheel 27.
In the above-described embodiment, it is illustrated in the way of being applied in escalator 10, but,
Can also instead be applied in moving sidewalk.
Above, although an embodiment of the present utility model is illustrated, but this embodiment
Propose as an example, it is not intended that limit the protection domain of utility model.The embodiment party of these novelties
Formula can be implemented in other various modes, in the range of without departing from utility model objective, can carry out each
Kind is omitted, replaces, is changed.These embodiments or its deformation be included in utility model protection domain or
In objective, and, it is included in the protection domain of the utility model described in claims and its equivalent.
Claims (10)
1. a passenger conveyors, it is characterised in that have:
Truss；
Multiple steps, connect to ring-type, and run along described truss；
The handrail of pair of right and left, erects the left and right sides being arranged on described step；
Ring-type handrail, around top to the bottom circular flow of described handrail；And
The band driving means of described handrail, is arranged in the bottom of described handrail；
Described band driving means has band driving wheel and is arranged in the pressing roller of lower section of described band driving wheel, has inserted described handrail between described band driving wheel and described pressing roller；
Described band driving wheel has:
Rotary shaft, synchronously rotates with the speed of service of described step；
The guide plate of rondelle, with described rotating shaft coaxle fix；
The tilt component of circular platform type, with described rotating shaft coaxle be arranged in the front of described guide plate；
First inclined plane, is formed at the peripheral part rear portion of described tilt component, and is formed as more the least toward rear diameter；
Fan-shaped fan plate, can be arranged in before described guide plate in the way of moving along direction, footpath, and is configured with multiple in the way of the angle that interval is identical in the peripheral direction of described tilt component；
Second inclined plane, is formed at the inner circumferential of described fan plate, more the least toward rear diameter, and contacts with described first inclined plane；
Bolt, fixes described tilt component to described guide plate in coaxial fashion；And
Elastic ring, is arranged in the periphery of multiple described fan plates.
Passenger conveyors the most according to claim 1, it is characterised in that
The diameter of described elastic ring is more than the diameter of described guide plate and the diameter of described tilt component.
Passenger conveyors the most according to claim 1, it is characterised in that
Described band driving means has multiple described band driving wheel and is arranged respectively at the multiple described pressing roller of lower section of each described band driving wheel, has inserted described handrail respectively between described band driving wheel and described pressing roller.
Passenger conveyors the most according to claim 1, it is characterised in that
The gap extended along direction, footpath it is formed with between adjacent described fan plate.
Passenger conveyors the most according to claim 1, it is characterised in that
Formed behind at described fan plate has the ridge extended along direction, footpath,
At the groove extended along direction, footpath being previously formed confession described ridge engaging of described guide plate,
Described fan plate moves up along described groove in footpath side.
Passenger conveyors the most according to claim 1, it is characterised in that
Formed behind at described fan plate has the groove extended along direction, footpath,
In the ridge extended along direction, footpath being previously formed confession described groove engaging of described guide plate,
Described fan plate moves up along described ridge in footpath side.
Passenger conveyors the most according to claim 2, it is characterised in that
It has been coaxially disposed chain sprocket respectively with multiple described band driving wheels,
Described chain sprocket hangs with ring-type band and drives chain,
Described band is driven to drive chain, so that multiple described band driving wheel rotates integratedly.
Passenger conveyors the most according to claim 7, it is characterised in that have:
Main drive sprocket, drives described step；And
Handrail sprocket wheel, synchronously rotates with described main drive sprocket；
Described handrail sprocket wheel hangs with described band and drives chain.
Passenger conveyors the most according to claim 1, it is characterised in that
Described elastic ring is that rubber is made.
Passenger conveyors the most according to claim 1, it is characterised in that
Described passenger conveyors is escalator or moving sidewalk.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015231520A JP2017095268A (en) | 2015-11-27 | 2015-11-27 | Passenger conveyor |
| JP2015-231520 | 2015-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205772725U true CN205772725U (en) | 2016-12-07 |
Family
ID=58109855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620486700.0U Active CN205772725U (en) | 2015-11-27 | 2016-05-25 | Passenger conveyors |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2017095268A (en) |
| CN (1) | CN205772725U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726336A (en) * | 2017-04-14 | 2018-11-02 | 株式会社日立制作所 | Passenger conveyor-belt |
| CN110467099A (en) * | 2018-05-10 | 2019-11-19 | 东芝电梯株式会社 | Passenger conveyors |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6461283B1 (en) * | 2017-10-27 | 2019-01-30 | 東芝エレベータ株式会社 | Passenger conveyor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6084853U (en) * | 1983-11-15 | 1985-06-11 | セイコーインスツルメンツ株式会社 | Positioning wire drive mechanism |
| JPH0525061U (en) * | 1991-09-13 | 1993-04-02 | 豊田工機株式会社 | Variable diameter pulley |
| JP2004131230A (en) * | 2002-10-09 | 2004-04-30 | Hitachi Building Systems Co Ltd | Moving handrail driving pulley for passenger conveyor |
| JP2004155558A (en) * | 2002-11-07 | 2004-06-03 | Hitachi Building Systems Co Ltd | Moving handrail driving device for passenger conveyor and its control method |
| JP5042610B2 (en) * | 2006-12-15 | 2012-10-03 | 三菱電機株式会社 | Handrail drive device for passenger conveyor |
-
2015
- 2015-11-27 JP JP2015231520A patent/JP2017095268A/en active Pending
-
2016
- 2016-05-25 CN CN201620486700.0U patent/CN205772725U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726336A (en) * | 2017-04-14 | 2018-11-02 | 株式会社日立制作所 | Passenger conveyor-belt |
| CN110467099A (en) * | 2018-05-10 | 2019-11-19 | 东芝电梯株式会社 | Passenger conveyors |
| CN110467099B (en) * | 2018-05-10 | 2020-10-23 | 东芝电梯株式会社 | Passenger conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017095268A (en) | 2017-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205772725U (en) | Passenger conveyors | |
| CN102615654A (en) | Mechanical arm | |
| CN105298169B (en) | Flush type integration up-down rotary display stand | |
| CN103569828A (en) | Stairway cableway | |
| CN104140034B (en) | A kind of escalator | |
| CN204778257U (en) | Passenger conveyor | |
| CN202609814U (en) | Self-steering craning conveying device | |
| CN205537171U (en) | Portable fire door clearance system | |
| CN202659842U (en) | Rotating platform outer rail friction device | |
| CN205772735U (en) | Passenger conveyors | |
| CN205772737U (en) | Passenger conveyors | |
| CN204624937U (en) | Passenger conveyors | |
| CN205772734U (en) | The handrail driving chain of passenger conveyors is taken turns and uses the passenger conveyors of this sprocket wheel | |
| CN205222411U (en) | Passenger conveyer | |
| CN101423173A (en) | Public transport type escalator handrail area slewing bearing | |
| CN205820669U (en) | The handrail sprocket wheel of passenger conveyors and its passenger conveyors of use | |
| CN205589914U (en) | Wheeled mould platform circulation system | |
| CN207061589U (en) | A kind of steady sightseeing elevator | |
| CN205892482U (en) | Passenger conveyer | |
| CN210083398U (en) | Universal moving platform | |
| CN202575815U (en) | Steel wire rope guide device and rotary drilling rig provided with same | |
| CN106241582A (en) | Passenger conveyors | |
| CN102678868B (en) | Friction device for external rail of rotary platform | |
| CN206273758U (en) | Handrail clearing apparatus, device of passenger conveyor and device of passenger conveyor truss | |
| CN209179587U (en) | A kind of double drive elevating mechanism for stereo garage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |