WO2017109969A1 - シャッタ開閉装置 - Google Patents
シャッタ開閉装置 Download PDFInfo
- Publication number
- WO2017109969A1 WO2017109969A1 PCT/JP2015/086318 JP2015086318W WO2017109969A1 WO 2017109969 A1 WO2017109969 A1 WO 2017109969A1 JP 2015086318 W JP2015086318 W JP 2015086318W WO 2017109969 A1 WO2017109969 A1 WO 2017109969A1
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- WIPO (PCT)
- Prior art keywords
- shutter
- arm
- pin
- bar
- pair
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/06—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
Definitions
- the present invention relates to a shutter opening and closing device that opens and closes a space above a conveyance path at an opening of a wall surface through which a bar conveyor passes.
- This bar conveyor may be arranged so as to go around a plurality of sections or a plurality of facilities in the same facility, and in that case, it penetrates an opening provided in the wall surface of the facility. This opening is preferably closed when no eggs are being conveyed by the bar conveyor.
- This opening is preferably closed when no eggs are being conveyed by the bar conveyor.
- foreign matters such as dust and small animals may enter the building through the opening, so it is highly necessary to close the opening. .
- the shutter of this Patent Document 1 is always urged by a tension spring in a state where it is opened forward (horizontal position).
- the closed state When the closed state is established, the lower end of the shutter is fixed to the rear surface of the shutter, and the line extending upward is pulled upward to pull the shutter against the bias of the tension spring.
- the shutter is raised to a position higher than the bar conveyor by rotating it downstream and further displacing the vertical displacement member upward.
- the shutter whose lower end interferes with the bar is pushed by the advancing bar and rotates forward while pulling the rope downward.
- the shutter takes a horizontal position by the bias of the tension spring, and the space above the conveyance path is opened.
- the open / close shutter of the above-mentioned Patent Document 1 lowers the shutter by rotating the vertical displacement member downward by reducing the pulling force of the rope upward.
- the shutter is lowered by the weight of the vertical displacement member and the shutter, and the lower end thereof is inserted between the bars. Therefore, if the shutter is not lowered at the timing just positioned between the bars, the shutter cannot be inserted between the bars and it is difficult to adjust the timing for closing. It was.
- the horizontal distance between the bars is shorter than when the conveyor path of the bar conveyor is horizontal. There was a problem that it was difficult.
- an object of the present invention is to provide a shutter opening / closing device that can easily close a space above a conveyance path in a bar conveyor without requiring timing adjustment. .
- a shutter opening and closing device includes: “A pair of side plates, A pair of shutter supports respectively attached to the pair of side plates; A shutter having both sides supported by a pair of the shutter supports, Each of the shutter supports is A first arm pivotally supported on the side plate so as to be rotatable by a first fixed shaft; A tension coil spring having an upper end fixed to the first arm at a position away from the first fixed shaft and a lower end fixed to the side plate below the first fixed shaft; Between the fixed position of the said tension coil spring in said 1st arm and said 1st fixed shaft, it is attached to said 1st arm so that rotation is possible by the 1st pin, and a long hole is formed in the longitudinal direction.
- a second arm A third arm attached to the first arm so as to be rotatable by a second pin between the first pin and the first fixed shaft; One end is attached to the third arm so as to be rotatable by a third pin at a position away from the second pin, and the other end is rotatable by a fourth pin and slides in the elongated hole.
- a fourth arm that is pivotally supported by the side plate so as to be rotatable by a second fixed shaft between the third pin and the fourth pin. , The shutter is bridged between the pair of second arms ”.
- the state where the lower end of the shutter is inserted between two adjacent bars on the bar conveyor that is, the state where the lower end of the shutter interferes with the bar and the space above the conveyance path is closed by the shutter.
- a “closed state” a state where the shutter is separated from the bar and the space above the conveyance path is released is referred to as an “open state”.
- the tension coil spring presses the shutter against the bar so that the closed state is stably maintained, while the lower end of the shutter moves away from the bar and simultaneously urges the shutter to the open state.
- the first arm is pulled downward by a tension coil spring fixed at a position away from the first fixed shaft.
- the tension coil spring urges the first arm in a direction to rotate downward around the first fixed axis. Therefore, the shutter spanned over the second arm attached to the first arm by the first pin rotates the first arm downward in the closed state where the lower end of the shutter interferes with the bar. Acts like a “sticky stick” to block. Therefore, in this state, the shutter is pressed against the bar from above by the tension coil spring, and the closed state is stably maintained.
- the operation to be in the open state is as follows. First, when the conveyance by the bar conveyor is started, the bar in the conveyance path moves downstream, so that the lower end of the shutter is pushed by the bar and moves forward. As a result, the second arm to which the shutter is fixed rotates upward around the first pin. In order to allow such rotation of the second arm, the fourth pin slides in the direction of approaching the first pin in the long hole. Accordingly, the fourth arm rotates around the second fixed shaft, and the third pin on the opposite side of the fourth pin with respect to the second fixed shaft moves downward. Thereby, the third arm attached to the fourth arm by the third pin is pulled downward, and accordingly, the first arm is pulled downward via the second pin. As a result, the first arm rotates downward around the first fixed shaft.
- the tension coil spring is compressed and the urging force of the tension coil spring is reduced, but the state where the shutter is pressed against the bar by the tension coil spring is maintained while the lower end of the shutter interferes with the bar as described above. Is done. In other words, even if the shutter is tilted within a certain angle range with respect to the conveying path of the bar conveyor as the bar moves, the closed state is stably maintained as long as the lower end of the shutter is within the range where it interferes with the bar. .
- the tension coil spring is extended as the first arm rotates upward, as described above, the first arm is biased in the direction of rotating downward about the first fixed axis. And the shutter is pressed against the bar. Therefore, even if the timing when the shutter is rotated downward is slightly different from the timing at which the lower end of the shutter is just between adjacent bars, the shutter will automatically move to the bar due to the elastic force of the tension coil spring pressing the shutter against the bar. It is inserted into the gap between them.
- the shutter opening / closing apparatus may be configured such that “the lower end of the shutter is curved in a U shape” in addition to the above-described configuration.
- the closed state is stably maintained as long as the lower end of the shutter interferes with the bar. Therefore, when the shutter is inserted between the bars at an angle slightly inclined from the vertical direction, the depth at which the shutter is inserted between the bars varies depending on the angle. In this configuration, since the lower end of the shutter is curved in a U shape, even if the depth at which the shutter is inserted between the bars is different, the shutter abuts on the bar somewhere in the curved portion. Thereby, the range of the angle of the shutter that can be in the closed state becomes wide, and the closed state can be more easily and reliably made.
- the present invention can be widely applied to bar conveyors having different inclination angles of the conveyance path.
- FIG. 5A is a cross-sectional view of the shutter opening / closing device in a closed state with the bar moving downstream from the state of FIG. 4, and FIG. 5B is a state of FIG. 5A from the state of FIG. Furthermore, it is sectional drawing of the shutter opening / closing apparatus with which the bar has moved downstream and the closed state is maintained.
- FIG. 6A is a cross-sectional view showing a state in which the shutter is rotating upward
- FIG. 6B is a cross-sectional view of the shutter opening / closing device in an open state. It is sectional drawing which shows the moving range of the bar which can make the shutter opening / closing apparatus of FIG. 1 into a closed state.
- the shutter opening / closing device 1 is a device that opens and closes a space 95 above a conveyance path 82 in a bar conveyor 80 that passes through an opening 91 of a wall 90.
- the bar conveyor 80 includes a pair of endless chains (not shown) that are wound around a pair of sprockets (not shown) and circulates, and a number of bars that are spanned between the pair of endless chains at regular intervals. 81 and a side cover 85 covering the outside of the pair of endless chains.
- the multiple bars 81 move as the pair of endless chains move in the same direction at the same speed.
- a conveyance path 82 for placing and conveying the egg 99 is formed.
- a return path 83 is formed by a large number of bars 81 moving in the reverse direction (shown in the direction of arrow B).
- the bar conveyor 80 in which the conveyance path 82 is inclined is illustrated, and the conveyance path 82 descends as it goes downstream. 1 and 2, only a part of the long bar conveyor 80 near the wall 80 is illustrated.
- upstream and downstream in the conveyance path 82 are respectively indicated.
- the shutter opening / closing device 1 includes a pair of side plates 71, a pair of shutter supports 10 attached to the pair of side plates 71, and a shutter 20 whose both sides are supported by the pair of shutter supports 10. It has.
- the pair of side plates 71 are in contact with each other at right angles to the wall surfaces facing the downstream side of the bar conveyor 80 that penetrates the opening 91 out of both surfaces of the wall 90 provided with the opening 91.
- the opening 91 is located between the pair of side plates 71.
- the pair of shutter supports 10 have the same configuration, and each includes a first arm 11, a second arm 12, a third arm 13, a fourth arm 14, and a tension coil spring 30.
- the first arm 11 is pivotally supported by the first fixed shaft 41 at a position close to the wall 90 of the side plate 71 on one end side thereof.
- the upper end of the tension coil spring 30 is fixed to the other end of the first arm 11.
- the lower end of the tension coil spring 30 is fixed to the end of the base 73 that extends from the side plate 71 below the first fixed shaft 41.
- the base 73 extends from the side plate 71 toward the downstream at a position slightly higher than the conveyance path 82.
- the first arm 11 is bent upward so as to form an obtuse angle on the way from the position supported by the first fixed shaft 41 toward the end to which the tension coil spring 30 is fixed.
- the second arm 12 is rotatably attached to the bent portion of the first arm 11 by a first pin 51.
- the second arm 12 is linear, and a long hole 12h is formed along the longitudinal direction.
- the third arm 13 is a straight line shorter than the second arm 12, and one end thereof is attached to the first arm 11 so as to be rotatable by a second pin 52.
- the second pin 52 is located between the first fixed shaft 41 and the first pin 51.
- the fourth arm 14 has a crank shape (inverted Z shape) bent in opposite directions at both ends, and one end is attached to the other end of the third arm 13 so as to be rotatable by a third pin 53. .
- the other end of the fourth arm 14 is rotatably attached to the second arm 12 by a fourth pin 54.
- the fourth pin 54 has a pin body that passes through the long hole 12h of the second arm 12 and a head that does not pass through the long hole 12h, and slides along the long hole 12h.
- the fourth arm 14 is rotated by the second fixed shaft 42 between the third pin 53 and the fourth pin 54, specifically, a bent portion close to the third pin 53 among the two bent portions.
- the side plate 71 is pivotally supported as possible.
- the shutter 20 is bridged between the pair of second arms 12.
- the shutter 20 is flat and has a lower end curved in a U-shaped cross section.
- a top plate 72 is bridged between the upper ends of the pair of side plates 71.
- the height of the top plate 72 is higher than the upper edge of the opening 91 of the wall 90. Further, the downstream end portion of the top plate 72 is bent downward so as to cover the upper end side of the shutter 20.
- the pair of first arms 11 are connected by connecting arms 16 at the ends on which the tension coil springs 30 are fixed. Further, a column 75 extending upward from the top plate 72 is fixed to each of the pair of side plates 71, and a horizontal member 76 is bridged between the upper ends of the pair of columns 75. Pulleys 78 and 79 are fixed to substantially the center and one end of the horizontal member 76, respectively. The wire 17 fastened to the approximate center of the connecting arm 16 is wound around the pulley 79 at the end of the horizontal member 76 through the pulley 78 at the substantially central point of the horizontal member 76 and extends downward. A grip 19 that is gripped when pulling the wire is attached to the tip of the wire 17.
- the gap between the conveyance path 82 and the return path 83 of the bar conveyor 80 is closed by a plate material 87 fixed to the pair of side plates 71. Further, the gap between the return path 83 of the bar conveyor 80 and the lower edge of the opening 91 is also closed by a plate member 88 fixed to the pair of side plates 71.
- the tension coil spring 30 acts on the first arm 11 to rotate downward around the first fixed shaft 41.
- the tension coil spring 30 acts on the first arm 11 to rotate downward around the first fixed shaft 41.
- the shutter 20 is pressed against the bar 81 from above by the tension coil spring 30. That is, in the state where the lower end of the shutter 20 interferes with the bar 81, the closed state in which the shutter 20 closes the space 95 above the conveyance path 82 by the bias of the tension coil spring 30 is stably maintained.
- the fourth pin 54 slides in the long hole 12h in a direction approaching the first pin 51, that is, upward. Accordingly, the fourth arm 14 rotates around the second fixed shaft 42 (clockwise in the figure), and the third pin 53 on the opposite side of the fourth pin 54 with respect to the second fixed shaft 42 is lowered. Move to. Accordingly, the third arm 13 whose lower end is attached to the fourth arm 14 by the third pin 53 is pulled downward. Accordingly, the first arm 11 to which the upper end of the third arm 13 is attached by the second pin 52 is pulled downward. As a result, the first arm 11 pivots downward around the first fixed shaft 41 (counterclockwise in the figure).
- the tension coil spring 30 since the tension coil spring 30 is compressed, the urging force of the tension coil spring 30 is reduced by that amount.
- the tension coil spring 30 moves the shutter 20 from above. It acts to press against the bar 81. That is, the closed state is maintained even when the shutter 20 is inclined with respect to the conveyance path 82 of the bar conveyor 80 within a certain angle range.
- the first arm 11 is prevented from rotating downward around the first fixed shaft 41. Disappear.
- the first arm 11 is pivoted downward around the first fixed shaft 41 at once by the urging of the tension coil spring 30.
- the third arm 13 is lowered as the second pin 52 attached to the first arm 11 is lowered, and the second pin 52 attached thereto is lowered.
- the four arms 14 rotate around the second fixed shaft 42 (clockwise in the figure), and the second arm 12 further slides the fourth pin 54 along the long hole 12h in a direction closer to the first pin 51, It pivots upward around the first pin 51.
- the shutter 20 is rotated upward around the first pin 51 together with the second arm 12 (clockwise in the figure), and an open state in which the space 95 above the conveyance path 82 is opened.
- the egg 99 can be placed on the conveyance path 82 and conveyed from the space separated by the wall 90 to the space by the bar conveyor 80.
- the tension coil spring 30 of this embodiment urges the shutter 20 against the bar 81 and stably maintains the closed state while the shutter 20 interferes with the bar 81.
- the shutter 20 moves away from the bar 81 by the movement, the shutter 20 is biased to the open state.
- the side plate 71 is provided with a stopper 46 for limiting the angle at which the first arm 11 rotates downward around the first fixed shaft 41. Therefore, as shown in FIG. 6B, the state where the first arm 11 is in contact with the stopper 46 is the state where the space 95 above the conveyance path 82 is the largest open.
- the first arm 11 In the closed state, the first arm 11 is rotated upward around the first fixed shaft 41.
- the wire 17 hanging from the pulley 79 is pulled downward. Accordingly, since the connecting arm 16 is pulled up via the pulleys 78 and 79, the tips of the pair of first arms 11 can be pulled up simultaneously, and the first arm 11 can be easily rotated upward around the first fixed shaft 41. Can be moved.
- the side plate 71 In order to prevent excessive rotation of the first arm 11, the side plate 71 is provided with a stopper 47 for limiting the angle at which the first arm 11 rotates upward around the first fixed shaft 41. It has been.
- the second pin 52 rises and the third arm 13 is pulled up, so that the fourth arm 14 moves around the second fixed shaft 42 via the third pin 53. It rotates in the opposite direction (shown, counterclockwise). Accordingly, the second arm 12 and the shutter 20 rotate downward around the first pin 51 while sliding the fourth pin 54 toward the end opposite to the first pin 51 in the long hole 12h. Move. As a result, the shutter 20 is in a nearly vertical state, and the lower end of the shutter 20 is inserted between the adjacent bars 81 to be closed. Further, since the tension coil spring 30 is extended as the first arm 11 is rotated upward, the end of the first arm 11 to which the tension coil spring 30 is fixed is pulled downward toward the base 73. .
- the tension coil spring 30 presses the shutter 20 against the bar 81.
- the shutter 20 is naturally inserted into the gap between the bars 81 by the elastic force.
- the state in which the first arm 11 is in contact with the stopper 47 is a state in which the tension coil spring 30 is most extended and the largest urging force is applied.
- the shutter 20 is arranged such that the lower end of the shutter 20 interferes with the bar 81 while the bar 81 moves through a distance L that is twice or more the distance between adjacent bars 81.
- the length is set. Therefore, no matter what timing the shutter 20 is lowered with respect to the bar 81 moving within the distance L, the shutter 20 is pressed against the bar 81 by the urging of the tension coil spring 30, and the lower end of the bar is moved to the bar 81. It can be inserted between 81 and closed. That is, it is possible to easily close the space 95 without adjusting the timing for closing the space 95 above the conveyance path 82.
- the lower end of the shutter 20 is curved in a U shape, even if the depth at which the shutter 20 is inserted between the bars 81 varies depending on the inclination of the shutter 20 from the vertical direction, The shutter 20 comes into contact with the bar 81. Thereby, the angular range of the shutter 20 that can close the space 95 above the conveyance path 82 by the shutter 20 becomes wider, and the closed state can be made more easily and reliably.
- the shutter opening and closing device 1 of the present embodiment the lower end of the shutter 20 is curved in a U shape, and the width of the shutter 20 decreases as it goes toward the lower end. Therefore, the shutter opening / closing device 1 can be widely applied to the bar conveyor 80 with different inclination angles of the conveyance path 82.
- the pair of side plates 71 is set to a height that reaches the ceiling without providing the top plate 72,
- the downstream side edge of the pair of side plates 71 may be closed with a plate material above the shutter 20.
- crank-shaped shape is illustrated as the fourth arm 14, if the second fixed shaft 42 is located between the third pin 53 and the fourth pin 54, it may be linear or V-shaped. May be.
- the conveyed product of the bar conveyor 80 is the egg 99
- it can be placed on the bar 81 and conveyed, for example, larger than the interval between the bars 81 and hardly deformed or flowed. If it is a thing.
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Abstract
Description
「一対の側面板と、
一対の該側面板にそれぞれ取付けられている一対のシャッタ支持体と、
一対の該シャッタ支持体によって両側辺が支持されているシャッタとを具備し、
それぞれの前記シャッタ支持体は、
第一固定軸によって回動可能に前記側面板に軸支されている第一アームと、
前記第一固定軸から離れた位置で前記第一アームに上端が固定されており、下端が前記第一固定軸より下方で前記側面板に対して固定されている引張コイルバネと、
前記第一アームにおける前記引張コイルバネの固定位置と前記第一固定軸との間で、第一ピンによって回動可能に前記第一アームに取付けられており、長手方向に長孔が形成されている第二アームと、
前記第一ピンと前記第一固定軸との間で、第二ピンによって回動可能に前記第一アームに取付けられている第三アームと、
一端が、前記第二ピンから離れた位置で、第三ピンによって回動可能に前記第三アームに取付けられていると共に、他端が、第四ピンによって回動可能且つ前記長孔内をスライド可能に前記第二アームに取り付けられており、前記第三ピンと前記第四ピンとの間で、第二固定軸によって回動可能に前記側面板に軸支されている第四アームとを備えており、
前記シャッタは、一対の前記第二アーム間に架け渡されている」ものである。
Claims (2)
- 一対の側面板と、
一対の該側面板にそれぞれ取付けられている一対のシャッタ支持体と、
一対の該シャッタ支持体によって両側辺が支持されているシャッタとを具備し、
それぞれの前記シャッタ支持体は、
第一固定軸によって回動可能に前記側面板に軸支されている第一アームと、
前記第一固定軸から離れた位置で前記第一アームに上端が固定されており、下端が前記第一固定軸より下方で前記側面板に対して固定されている引張コイルバネと、
前記第一アームにおける前記引張コイルバネの固定位置と前記第一固定軸との間で、第一ピンによって回動可能に前記第一アームに取付けられており、長手方向に長孔が形成されている第二アームと、
前記第一ピンと前記第一固定軸との間で、第二ピンによって回動可能に前記第一アームに取付けられている第三アームと、
一端が、前記第二ピンから離れた位置で、第三ピンによって回動可能に前記第三アームに取付けられていると共に、他端が、第四ピンによって回動可能且つ前記長孔内をスライド可能に前記第二アームに取り付けられており、前記第三ピンと前記第四ピンとの間で、第二固定軸によって回動可能に前記側面板に軸支されている第四アームとを備えており、
前記シャッタは、一対の前記第二アーム間に架け渡されている
ことを特徴とするシャッタ開閉装置。 - 前記シャッタの下端は、U字形に湾曲している
ことを特徴とする請求項1に記載のシャッタ開閉装置。
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PCT/JP2015/086318 WO2017109969A1 (ja) | 2015-12-25 | 2015-12-25 | シャッタ開閉装置 |
JP2017557642A JP6472542B2 (ja) | 2015-12-25 | 2015-12-25 | シャッタ開閉装置 |
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WO2023079624A1 (ja) * | 2021-11-04 | 2023-05-11 | 株式会社ハイテム | シャッタ開閉装置 |
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CN115667106A (zh) | 2021-05-07 | 2023-01-31 | 株式会社海泰 | 带式输送机与闸门装置的组合结构及闸门装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001020609A (ja) * | 1999-07-05 | 2001-01-23 | Nippon Signal Co Ltd:The | オートロック式紙幣金庫 |
JP2002061478A (ja) * | 2000-08-24 | 2002-02-28 | Shin Nikkei Co Ltd | 跳ね上げ式門扉及び同門扉用ユニット |
JP2013000014A (ja) * | 2011-06-14 | 2013-01-07 | Hytem Co Ltd | 搬送路開閉装置 |
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JP3088093U (ja) * | 2002-02-20 | 2002-08-30 | 東西産業貿易株式会社 | 集卵コンベアが貫通する鶏舎や集卵舎などの壁に設ける開閉シャッタ |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001020609A (ja) * | 1999-07-05 | 2001-01-23 | Nippon Signal Co Ltd:The | オートロック式紙幣金庫 |
JP2002061478A (ja) * | 2000-08-24 | 2002-02-28 | Shin Nikkei Co Ltd | 跳ね上げ式門扉及び同門扉用ユニット |
JP2013000014A (ja) * | 2011-06-14 | 2013-01-07 | Hytem Co Ltd | 搬送路開閉装置 |
Cited By (1)
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WO2023079624A1 (ja) * | 2021-11-04 | 2023-05-11 | 株式会社ハイテム | シャッタ開閉装置 |
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JP6472542B2 (ja) | 2019-02-20 |
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