CN105756455A - Push-pull device of building movable door - Google Patents
Push-pull device of building movable door Download PDFInfo
- Publication number
- CN105756455A CN105756455A CN201610326555.4A CN201610326555A CN105756455A CN 105756455 A CN105756455 A CN 105756455A CN 201610326555 A CN201610326555 A CN 201610326555A CN 105756455 A CN105756455 A CN 105756455A
- Authority
- CN
- China
- Prior art keywords
- pull
- guide groove
- push
- piece
- push piece
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/60—Suspension or transmission members; Accessories therefore
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/644—Flexible elongated pulling elements; Members cooperating with flexible elongated pulling elements
- E05Y2201/652—Belts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
A push-pull device of a building movable door comprises a guide rail piece (7) and a push-pull piece (9) which can be subjected to push-pull force in a guide groove of the guide rail piece (7) to slide, the guide rail piece (7) comprises a body (79) and belt pulley boxes (71) fixedly arranged at the two ends of the body (79), a guide groove closed belt (8) is installed on a belt pulley (711) of each belt pulley box (71) in a surrounding mode, and the upper side portions of the guide groove closed belts (8) extend longitudinally in an upper side slot (702) of the guide groove so as to close the guide groove.
Description
Technical field
The present invention relates to push-pull device at fixed field, be specially a kind of push-pull device at fixed building mobile door.
Background technology
In the association area of prior art, generally require some push-pull device at fixed with guide rail, for instance be arranged on the sliding door etc. in building body.In order to ensure the reliability service of these push-pull device at fixed, it is necessary to its arrange firmly guide-track groove device so that its motion is led.These guide-track grooves are easily subject to the intrusion of the pollutant in the external world thus long-pending dropping on bottom land in long-term use procedure, and this operation easily causing push-pull device at fixed is affected thus reduction of service life and affect dependability and smoothness；Give simultaneously and safeguard that removing work makes troubles.And the safeguard procedures of some guide-track grooves are difficult to run reliably and easily, and the movement interference between pull-push piece or guide-track groove when using, can be there is.
Summary of the invention
It is an object of the invention to provide a kind of push-pull device at fixed building mobile door, be used for overcoming drawbacks described above of the prior art.
nullA kind of push-pull device at fixed building mobile door according to the present invention，Including rail guide piece and the pull-push piece that push-pull effort can be subject in the guide groove of described rail guide piece and slide，Described rail guide piece includes main part and is fixedly installed on the band roller box at described main part two ends，Guide groove close belt hold respectively be arranged on each described with the belt wheel in roller box，Described guide groove close belt upper portion in the upside slit of described guide groove longitudinal extension thus described guide groove is closed，The lower portion of belt longitudinal extension and be disposed through bottom described pull-push piece the through hole at place in the underside cavity of described guide groove closed by described guide groove，The bottom of described pull-push piece is narrowed thus forming narrowed portion on the longitudinal direction of described rail guide piece，And the neck extension portion of the protrusion location division forming the underside cavity being matched with described guide groove in the cross section being orthogonal on described longitudinal direction and the upside slit being matched with described guide groove，Wherein，The upper portion of described guide groove closing belt has two ends and is connected in order to fixing with respective unidirectional drive housing component respectively，Each described unidirectional drive housing component is provided with cavity in order to be slidably matched with the head bulb of the corresponding plunger portion at the sides adjacent place being fixedly installed on described narrowed portion，Thus between the sidewall of the close described narrowed portion of described head bulb and described unidirectional drive housing component formed active force composition surface and and described unidirectional drive housing component away between the sidewall of described narrowed portion formed space，Thus pulled described guide groove to close belt by the described active force composition surface at a corresponding unidirectional drive housing component place when described pull-push piece is subject to push-pull effort effect，Now，The described plunger portion at another unidirectional drive housing component place is in free relative sliding state；Protruding of described pull-push piece is provided with two row's scroll wheels that front and back are arranged side by side bottom location division, described two row scroll wheel lower ends are resisted against on guide groove, described two row's scroll wheels can reduce the friction between described protrusion location division and described guide groove, described pull-push piece can be made to promote more smooth and easy；The both sides, narrowed portion upper end of described pull-push piece form protuberance, each described protuberance lower end is mounted on elastic corner block, each described upper surface with roller box is provided with the lock slots matched with described elastic corner block, when described elastic corner block slips in described lock slots, can by temporary for described pull-push piece locking.
The plunger that described free relative sliding state refers to can freely slide to space part relative to single load bearing housing.
Owing to adopting the jatharapanvartanasana buffer zone that can adjust the length of the buffer zone being positioned at pull-push piece both sides along with the left and right push-and-pull slip of pull-push piece in real time, therefore its can real-time protection along with the push-and-pull slip of pull-push piece and the both sides rail length of real-time change, thus realizing the effective protection for guide-track groove under the premise not affecting pull-push piece motion, it is to avoid environmental contaminants falls into inside guide-track groove.By arranging the single load bearing housing of the both sides being distributed in described pull-push piece, it ensure that when pull-push piece is subject to push-pull effort and moves, pulling force is only applied for described buffer zone, without at opposite side applied thrust, thereby guarantee that and buffer zone is formed effective tensile force, can form, without being formed, the thrust that belt is heaved, thus ensureing the longitudinal extension direction precision of buffer zone, being consequently formed the close protection for guide-track groove and avoiding the movement interference for pull-push piece.By arranging bottom described pull-push piece the narrowed portion at place, it is possible to form the accommodation space for described single load bearing housing so that do not interfered by the casing of both sides during pull-push piece mass motion and affect and avoid in use with the colliding with of external object.By arranging the through hole being opened in described narrowed portion place, it is possible to make buffer zone by described pull-push piece thus forming the substantially moving loop of mutually coordinated motion.And the upper portion of buffer zone is arranged among the slit of guide rail, tightly coordinating to be formed and to place the close fit that pollutant enter between slit can be formed, and utilize this slit to coordinate with the protuberance on the other orthogonal direction of narrowed portion thus the motion of pull-push piece is led simultaneously.And utilize the protuberance of bottom to coordinate with the bottom cavity of guide-track groove, it is possible to ensure that pull-push piece is not toppled in motor process.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the push-pull device at fixed of the present invention；
Fig. 2 is the schematic top plan view of the device in Fig. 1；
Fig. 3 is the section view partial schematic diagram in pull-push piece middle position of the device in Fig. 1；
Fig. 4 is the partial enlarged drawing at the unidirectional drive housing component place in Fig. 1.
Detailed description of the invention
Below in conjunction with Fig. 1-4, the present invention is described in detail.
nullThe push-pull device at fixed of the mobile door of building according to an embodiment of the invention，Including rail guide piece 7 and the pull-push piece 9 that push-pull effort can be subject in the guide groove of described rail guide piece 7 and slide，Described rail guide piece 7 includes main part 79 and is fixedly installed on the band roller box 71 at described main part 79 two ends，Guide groove close belt 8 hold respectively be arranged on each described with the belt wheel 711 in roller box 71，Described guide groove close belt 8 upper portion in the upside slit 702 of described guide groove longitudinal extension thus described guide groove is closed，The lower portion of belt 8 longitudinal extension and be disposed through bottom described pull-push piece 9 through hole 90 at place in the underside cavity 701 of described guide groove closed by described guide groove，The bottom of described pull-push piece 9 is narrowed thus forming narrowed portion on the longitudinal direction of described rail guide piece 7，And the neck extension portion 99 of the protrusion location division 98 forming the underside cavity 701 being matched with described guide groove in the cross section being orthogonal on described longitudinal direction and the upside slit 702 being matched with described guide groove，Wherein，The upper portion of described guide groove closing belt 8 has two ends and is connected in order to fixing with respective unidirectional drive housing component 81 respectively，Each described unidirectional drive housing component 81 is provided with cavity 810 in order to be slidably matched with the head bulb 92 of the corresponding plunger portion 91 at the sides adjacent place being fixedly installed on described narrowed portion，Thus between the sidewall of the close described narrowed portion of described head bulb 92 and described unidirectional drive housing component 81 formed active force composition surface and and described unidirectional drive housing component 81 away between the sidewall of described narrowed portion formed space，Thus pulled described guide groove to close belt 8 by the described active force composition surface at corresponding unidirectional drive housing component 81 place when described pull-push piece 9 is subject to push-pull effort effect，Now，The described plunger portion 91 at another unidirectional drive housing component 81 place is in free relative sliding state；Protruding of described pull-push piece 9 is provided with two row's scroll wheels 75 that front and back are arranged side by side bottom location division 98, described two row scroll wheel 75 lower ends are resisted against on guide groove, described two row's scroll wheels 75 can reduce the friction between described protrusion location division 98 and described guide groove, and described pull-push piece 9 can be made to promote more smooth and easy；The both sides, narrowed portion upper end of described pull-push piece 9 form protuberance, each described protuberance lower end is mounted on elastic corner block 96, each described upper surface with roller box 71 is provided with the lock slots 72 matched with described elastic corner block 96, when described elastic corner block 96 slips in described lock slots 72, can by the described temporary locking of pull-push piece 9.
According to embodiment, alternatively, wherein, elastic protective cover 93 can be connected between every side of described narrowed portion with corresponding described unidirectional drive housing component 81.
According to embodiment, exemplarily, wherein, the top edge of the upside slit 702 of described rail guide piece 7 can be provided with location lip 77 in order to carry out spacing to described guide groove closing belt 8.
Owing to adopting the jatharapanvartanasana buffer zone that can adjust the length of the buffer zone being positioned at pull-push piece both sides along with the left and right push-and-pull slip of pull-push piece in real time, therefore its can real-time protection along with the push-and-pull slip of pull-push piece and the both sides rail length of real-time change, thus realizing the effective protection for guide-track groove under the premise not affecting pull-push piece motion, it is to avoid environmental contaminants falls into inside guide-track groove.By arranging the single load bearing housing of the both sides being distributed in described pull-push piece, it ensure that when pull-push piece is subject to push-pull effort and moves, pulling force is only applied for described buffer zone, without at opposite side applied thrust, thereby guarantee that and buffer zone is formed effective tensile force, can form, without being formed, the thrust that belt is heaved, thus ensureing the longitudinal extension direction precision of buffer zone, being consequently formed the close protection for guide-track groove and avoiding the movement interference for pull-push piece.By arranging bottom described pull-push piece the narrowed portion at place, it is possible to form the accommodation space for described single load bearing housing so that do not interfered by the casing of both sides during pull-push piece mass motion and affect and avoid in use with the colliding with of external object.By arranging the through hole being opened in described narrowed portion place, it is possible to make buffer zone by described pull-push piece thus forming the substantially moving loop of mutually coordinated motion.And the upper portion of buffer zone is arranged among the slit of guide rail, tightly coordinating to be formed and to place the close fit that pollutant enter between slit can be formed, and utilize this slit to coordinate with the protuberance on the other orthogonal direction of narrowed portion thus the motion of pull-push piece is led simultaneously.And utilize the protuberance of bottom to coordinate with the bottom cavity of guide-track groove, it is possible to ensure that pull-push piece is not toppled in motor process.
Pass through such scheme, owing to adopting the jatharapanvartanasana buffer zone that can adjust the length of the buffer zone being positioned at pull-push piece both sides along with the left and right push-and-pull slip of pull-push piece in real time, therefore its can real-time protection along with the push-and-pull slip of pull-push piece and the both sides rail length of real-time change, thus realizing the effective protection for guide-track groove under the premise not affecting pull-push piece motion, it is to avoid environmental contaminants falls into inside guide-track groove.By arranging the single load bearing housing of the both sides being distributed in described pull-push piece, it ensure that when pull-push piece is subject to push-pull effort and moves, pulling force is only applied for described buffer zone, without at opposite side applied thrust, thereby guarantee that and buffer zone is formed effective tensile force, can form, without being formed, the thrust that belt is heaved, thus ensureing the longitudinal extension direction precision of buffer zone, being consequently formed the close protection for guide-track groove and avoiding the movement interference for pull-push piece.By arranging bottom described pull-push piece the narrowed portion at place, it is possible to form the accommodation space for described single load bearing housing so that do not interfered by the casing of both sides during pull-push piece mass motion and affect and avoid in use with the colliding with of external object.By arranging the through hole being opened in described narrowed portion place, it is possible to make buffer zone by described pull-push piece thus forming the substantially moving loop of mutually coordinated motion.And the upper portion of buffer zone is arranged among the slit of guide rail, tightly coordinating to be formed and to place the close fit that pollutant enter between slit can be formed, and utilize this slit to coordinate with the protuberance on the other orthogonal direction of narrowed portion thus the motion of pull-push piece is led simultaneously.And utilize the protuberance of bottom to coordinate with the bottom cavity of guide-track groove, it is possible to ensure that pull-push piece is not toppled in motor process.Whole plant running is smooth and easy reliable and stabilized structure, it is possible to effectively places guide-track groove and is subject to invading of environmental contaminants and pollutes and be difficult to the phenomenon safeguarded.
Those skilled in the art can be clear and definite, without departing from the overall spirit of the present invention and design when, it is possible to make the various modification for above example.It each falls within protection scope of the present invention.The protection scheme of the present invention is as the criterion with appending claims of the present invention.
Claims (3)
- null1. the push-pull device at fixed building mobile door，Including rail guide piece (7) and the pull-push piece (9) that push-pull effort can be subject in the guide groove of described rail guide piece (7) and slide，Described rail guide piece (7) includes main part (79) and is fixedly installed on the band roller box (71) at described main part (79) two ends，Guide groove close belt (8) hold respectively be arranged on each described with the belt wheel (711) in roller box (71)，Described guide groove close belt (8) upper portion in the upside slit (702) of described guide groove longitudinal extension thus described guide groove is closed，Described guide groove close belt (8) lower portion in the underside cavity (701) of described guide groove longitudinal extension and be disposed through described pull-push piece (9) bottom place through hole (90)，The bottom of described pull-push piece (9) is narrowed thus forming narrowed portion on the longitudinal direction of described rail guide piece (7)，And the neck extension portion (99) of the protrusion location division (98) forming the underside cavity (701) being matched with described guide groove in the cross section being orthogonal on described longitudinal direction and the upside slit (702) being matched with described guide groove，Wherein，The upper portion of described guide groove closing belt (8) has two ends and is connected in order to fixing with respective unidirectional drive housing component (81) respectively，Each described unidirectional drive housing component (81) is provided with cavity (810) be slidably matched in order to the head bulb (92) of the corresponding plunger portion (91) with the sides adjacent place being fixedly installed on described narrowed portion，Thus between the sidewall of the close described narrowed portion of described head bulb (92) and described unidirectional drive housing component (81) formed active force composition surface and and described unidirectional drive housing component (81) away between the sidewall of described narrowed portion formed space，Thus pulled described guide groove to close belt (8) by the described active force composition surface at corresponding unidirectional drive housing component (81) place when described pull-push piece (9) is subject to push-pull effort effect，Now，The described plunger portion (91) at another unidirectional drive housing component (81) place is in free relative sliding state；The bottom, protrusion location division (98) of described pull-push piece (9) is provided with two rows' scroll wheel (75) that front and back are arranged side by side, described two row scroll wheel (75) lower ends are resisted against on guide groove, described two rows' scroll wheel (75) can reduce the friction between described protrusion location division (98) and described guide groove, described pull-push piece (9) can be made to promote more smooth and easy；The both sides, narrowed portion upper end of described pull-push piece (9) form protuberance, each described protuberance lower end is mounted on elastic corner block (96), each described upper surface with roller box (71) is provided with the lock slots (72) matched with described elastic corner block (96), when described elastic corner block (96) is slipped in described lock slots (72), can by described pull-push piece (9) temporary locking.
- 2. a kind of push-pull device at fixed building mobile door as claimed in claim 1, wherein, is connected to elastic protective cover (93) between every side of described narrowed portion with corresponding described unidirectional drive housing component (81).
- 3. a kind of push-pull device at fixed building mobile door as claimed in claim 1 or 2, wherein, the top edge of the upside slit (702) of described rail guide piece (7) is provided with location lip (77) and carries out spacing in order to described guide groove is closed belt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326555.4A CN105756455A (en) | 2016-05-17 | 2016-05-17 | Push-pull device of building movable door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326555.4A CN105756455A (en) | 2016-05-17 | 2016-05-17 | Push-pull device of building movable door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105756455A true CN105756455A (en) | 2016-07-13 |
Family
ID=56324170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610326555.4A Withdrawn CN105756455A (en) | 2016-05-17 | 2016-05-17 | Push-pull device of building movable door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105756455A (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375019A (en) * | 1980-10-07 | 1983-02-22 | Solic Co., Ltd. | Device for adjusting position of drive element for opening and closing automatically horizontally opening and closing sliding door |
| JPS6035876U (en) * | 1983-08-20 | 1985-03-12 | 三和シヤツタ−工業株式会社 | Covering device for guide groove in hanger door |
| DE3401105A1 (en) * | 1984-01-13 | 1985-07-25 | Hörmann KG Antriebs- und Steuerungstechnik, 4834 Harsewinkel | Sliding-door plinth bar |
| JPH08291669A (en) * | 1995-04-20 | 1996-11-05 | Yasumoto Kengu Seisakusho:Kk | Automatic sliding door device |
| JPH10252345A (en) * | 1997-03-12 | 1998-09-22 | Ryobi Ltd | Sliding door closer with pressing part |
| EP0908596A2 (en) * | 1997-10-06 | 1999-04-14 | Dan-Doors A/S | A rolling door and a frame profile therefore |
| KR20030097569A (en) * | 2002-06-28 | 2003-12-31 | 엄용식 | Door operating equipment |
| KR20040023200A (en) * | 2002-09-11 | 2004-03-18 | 강태원 | The opening and closing system of auto door |
| EP1832703A1 (en) * | 2006-03-10 | 2007-09-12 | Ponzi S.r.l. Unipersonale | A door of the type that can be opened and closed by an automatic mechanism |
| CN200992919Y (en) * | 2006-12-06 | 2007-12-19 | 林会明 | Pulley-type rapid public transport platform door |
| WO2008026889A1 (en) * | 2006-08-31 | 2008-03-06 | Gi-Won Nam | Lower drive type automatic door |
| KR100949989B1 (en) * | 2009-04-27 | 2010-03-29 | 우리전기(주) | Sliding door assembly |
| CN201605942U (en) * | 2009-12-24 | 2010-10-13 | 宁波市鄞州美必盛自动门厂 | Power-operated door |
| CN202699028U (en) * | 2012-07-23 | 2013-01-30 | 池泽山 | Full-automatic multifunctional window/door washing apparatus |
| CN203361872U (en) * | 2013-07-16 | 2013-12-25 | 法中轨道交通运输设备(上海)有限公司 | Half-height safety door with driving threshold |
| CN203961568U (en) * | 2014-07-25 | 2014-11-26 | 赵成志 | A kind of guide connecting structure of sliding sash |
| CN204152281U (en) * | 2014-10-28 | 2015-02-11 | 乔琳 | The support column that a kind of air raid shelter is special |
| CN204627324U (en) * | 2015-04-21 | 2015-09-09 | 中国计量学院 | A kind of large-scale automatic moving door |
| CN204876990U (en) * | 2015-07-02 | 2015-12-16 | 张璐华 | Half automatically move door |
-
2016
- 2016-05-17 CN CN201610326555.4A patent/CN105756455A/en not_active Withdrawn
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375019A (en) * | 1980-10-07 | 1983-02-22 | Solic Co., Ltd. | Device for adjusting position of drive element for opening and closing automatically horizontally opening and closing sliding door |
| JPS6035876U (en) * | 1983-08-20 | 1985-03-12 | 三和シヤツタ−工業株式会社 | Covering device for guide groove in hanger door |
| DE3401105A1 (en) * | 1984-01-13 | 1985-07-25 | Hörmann KG Antriebs- und Steuerungstechnik, 4834 Harsewinkel | Sliding-door plinth bar |
| JPH08291669A (en) * | 1995-04-20 | 1996-11-05 | Yasumoto Kengu Seisakusho:Kk | Automatic sliding door device |
| JPH10252345A (en) * | 1997-03-12 | 1998-09-22 | Ryobi Ltd | Sliding door closer with pressing part |
| EP0908596A2 (en) * | 1997-10-06 | 1999-04-14 | Dan-Doors A/S | A rolling door and a frame profile therefore |
| KR20030097569A (en) * | 2002-06-28 | 2003-12-31 | 엄용식 | Door operating equipment |
| KR20040023200A (en) * | 2002-09-11 | 2004-03-18 | 강태원 | The opening and closing system of auto door |
| EP1832703A1 (en) * | 2006-03-10 | 2007-09-12 | Ponzi S.r.l. Unipersonale | A door of the type that can be opened and closed by an automatic mechanism |
| WO2008026889A1 (en) * | 2006-08-31 | 2008-03-06 | Gi-Won Nam | Lower drive type automatic door |
| CN200992919Y (en) * | 2006-12-06 | 2007-12-19 | 林会明 | Pulley-type rapid public transport platform door |
| KR100949989B1 (en) * | 2009-04-27 | 2010-03-29 | 우리전기(주) | Sliding door assembly |
| CN201605942U (en) * | 2009-12-24 | 2010-10-13 | 宁波市鄞州美必盛自动门厂 | Power-operated door |
| CN202699028U (en) * | 2012-07-23 | 2013-01-30 | 池泽山 | Full-automatic multifunctional window/door washing apparatus |
| CN203361872U (en) * | 2013-07-16 | 2013-12-25 | 法中轨道交通运输设备(上海)有限公司 | Half-height safety door with driving threshold |
| CN203961568U (en) * | 2014-07-25 | 2014-11-26 | 赵成志 | A kind of guide connecting structure of sliding sash |
| CN204152281U (en) * | 2014-10-28 | 2015-02-11 | 乔琳 | The support column that a kind of air raid shelter is special |
| CN204627324U (en) * | 2015-04-21 | 2015-09-09 | 中国计量学院 | A kind of large-scale automatic moving door |
| CN204876990U (en) * | 2015-07-02 | 2015-12-16 | 张璐华 | Half automatically move door |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160713 |
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| WW01 | Invention patent application withdrawn after publication |