CN203474137U - Ultra-thin type elevator operation box - Google Patents

Ultra-thin type elevator operation box Download PDF

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Publication number
CN203474137U
CN203474137U CN201320542749.XU CN201320542749U CN203474137U CN 203474137 U CN203474137 U CN 203474137U CN 201320542749 U CN201320542749 U CN 201320542749U CN 203474137 U CN203474137 U CN 203474137U
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CN
China
Prior art keywords
panel
button
backboard
telltale
hook
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Withdrawn - After Issue
Application number
CN201320542749.XU
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Chinese (zh)
Inventor
陈建钢
钱寅杰
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.)
ZHEJIANG OMLON ELEVATOR CO Ltd
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ZHEJIANG OMLON ELEVATOR CO Ltd
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Priority to CN201320542749.XU priority Critical patent/CN203474137U/en
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Publication of CN203474137U publication Critical patent/CN203474137U/en
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Abstract

The utility model discloses an ultra-thin type elevator operation box. The ultra-thin type elevator operation box comprises a panel, a rear panel, push-buttons and a display, wherein the push-buttons at least comprise floor push-buttons, a door open push-button and a door close push-button; the panel and the rear panel are arranged oppositely and are detachably connected, and an internal gap is formed between the panel and the rear panel; the push-buttons and the display respectively comprise a control circuit; the panel is provided with through holes matched with the push-buttons and the display as to enable the push-buttons and the display to be exposed outside; the panel and the rear panel are flanged towards the opposite sides, and a user can fixedly connect the panel and the rear panel oppositely by pressing the edge of the flanging of the rear panel into the inner wall of the flanging of the panel; the control circuits of the push-buttons and/or the display utilize integrated electronic boards, and the push-buttons and/or the display are arranged on the rear panel through clamping. The ultra-thin type elevator operation box is ultra-thin, thereby facilitating assembly among components inside the operation box and the assembly of the operation box with an elevator car wall.

Description

Super-thin elevator operation box
Technical field
The utility model belongs to elevator operation parts manufacturing technology field, is specifically related to a kind of super-thin elevator operation box.
Background technology
China Patent No. 200920072431.3 discloses a kind of elevator console with LCDs, it comprises intelligent control circuit, the shell of a control elevator, read-out, a plurality of button with indicating are housed on shell, button comprises that button connects intelligent control circuit with the digital keys of figure denote and the function button that indicates with function; A plurality of digital keys are longitudinally arranged in two separate ranks, and the order ascending by the numeral on digital keys is from bottom to top arranged in order, and form digital keys array; Sign on button partly adopts light transmissive material, indicates part rear and is provided with luminous element, and luminous element is connected with intelligent control circuit, and controlled by it; Read-out is LCDs, is positioned at digital keys array top.China Patent No. 201120312375.3 discloses a kind of integrated control box, comprise box at the bottom of panel block, panel block, at the bottom of operation wall, between box bottom and panel block, guar plate is being set, panel block is provided with to hang and is fixed on the hardy hole on box at the bottom of control wheel, and hardy hole is up-small and down-big structure., though respectively have its own feature, all there is following defect in above-mentioned two patented technology schemes:
1, the thickness of panel block is thicker, is not easy to assembling and the installation of panel block.
2, the button of panel block or read-out are controlled by control circuit board, due to the existence of control circuit board, make the structure of panel block inside more complicated, and the installation of button or read-out are more inconvenient.
Summary of the invention
The above-mentioned technical matters existing for solving prior art, the utility model discloses a kind of super-thin elevator operation box.
For reaching above-mentioned technical purpose, the utility model is taked following technical scheme: super-thin elevator operation box, comprise panel, backboard, button and telltale, and button at least comprises floor button, door open button and door close button; Panel and backboard positioned opposite and removable connection, form internal voids between the two; Described button, telltale include control circuit separately; On panel, have the through hole suitable with button, telltale, so that outside button, telltale be revealed in; Described panel and backboard be respectively towards offside flanging, and the edge by backboard flanging is pressed into the inwall of panel flanging and both are fixedly connected with relatively; The control circuit of described button and/or telltale adopts integrated electric daughter board, and described button and/or telltale are installed on described backboard by clamping.
Preferably, button or telltale and described backboard connection structure are as follows: backboard forms several positioning convex towards panel one side, and several positioning convex are at least distributed in two opposite sides; Corresponding, described button or telltale form several breach or through hole, correspondingly in breach or through hole snap in the positioning convex on backboard, by opposite side convex role, and button or telltale are positioned to backboard.
Preferably, positioning convex is dome shape, and protuberance is towards offside.
Preferably, button or telltale are Fang Tizhuan, and described breach or through hole have four, are opened in symmetrically long limit or the broadside of button or telltale; Described positioning convex has four, and four positioning convex are 2X2 queue arranges, and inserts accordingly respectively breach or the through hole of button or telltale.
Preferably, button comprises cover plate, described integrated electric daughter board and base plate, in the four edges of cover plate along in, the edge of at least two opposite sides respectively forms square breach; The middle part of cover plate is press section, and the medial surface of cover plate is established a layer insulating, and this insulating barrier is made by soft material, and outer edge shape and the cover plate of this insulating barrier are suitable; The outer edge of integrated electric daughter board and base plate is all suitable with cover plate, and the middle part of integrated electric daughter board is provided with switch, and this switch is corresponding with the press section of described cover plate by insulating barrier; On base plate, form the hook joint corresponding with described square breach, hook joint is hook-shaped towards offside, and hook joint passes after integrated electric daughter board and insulating barrier, and hook is fixedly connected with in the square indentation, there of cover plate.
Preferably, integrated electric daughter board is provided with several pigtail splices.
Preferably, insulating barrier forms several location hooks, and several location hooks are along the circumferential direction uniform, and the end of location hook is hook-shaped; Corresponding, described integrated electric daughter board has several waist shaped holes, and waist shaped hole inserts described location hook, and the salient point of waist shaped hole just in time peaks at described location hook, the hook portion of location hook hook in the opposite side of integrated electric daughter board.
Preferably, telltale comprises panel, described integrated electric daughter board and backboard, and in panel four edges, edge, at least two long limits forms square breach; The outer edge of described integrated electric daughter board, backboard is all suitable with described panel; Backboard forms the hook joint corresponding with described square breach, and hook joint is hook-shaped towards offside, and hook joint passes after integrated electric daughter board, and hook is fixedly connected with in the square indentation, there of panel.
Preferably, integrated electric daughter board forms a plurality of line joints.
Preferably, the panel shape that is rectangle, surrounding is towards the turnover of backboard direction, and its cross-sectional plane is circular arc, and arc protuberance is towards offside; The described backboard shape that is rectangle, surrounding is first to panel direction folding, and then, towards lateral direction folding, the edge of backboard surrounding is fastened in the inwall of panel surrounding accordingly.
Its thinner thickness of super-thin elevator operation box of the present utility model, thus be convenient to the assembling between each parts in panel block, and with the assembling of elevator lift-cabin wall.
In addition, the button of panel block and telltale all adopt integrated electric daughter board to control, and adopt snap fit to be installed on panel block, and it is simple in structure, easily assembled, quick.
Accompanying drawing explanation
Fig. 1 is the constructional drawing of facing of panel block.
Fig. 2 is the panel of panel block and the front elevation after backboard assembling.
Fig. 3 is the panel of panel block and the lateral plan after backboard assembling.
Fig. 4 is the panel of panel block and the birds-eye view after backboard assembling.
Fig. 5 is the panel of panel block and the back view after backboard assembling.
Fig. 6 is the A-A cutaway view of Fig. 2.
Fig. 7 is the B portion enlarged drawing of Fig. 6.
Fig. 8 is the back view of panel block backboard.
Fig. 9 is the left view of Fig. 8.
Figure 10 is the birds-eye view of Fig. 8.
Figure 11 is the C-C cutaway view of Fig. 8.
Figure 12 is the D portion enlarged drawing of Figure 11.
Figure 13 is the mounting structure front elevation of panel block backboard and a button.
Figure 14 is E-E cutaway view and the partial enlarged drawing of Figure 13.
Figure 15 is the front elevation of button cover plate.
Figure 16 is the lateral plan of button cover plate.
Figure 17 is the birds-eye view of button cover plate.
Figure 18 is the back view of button cover plate.
Figure 19 is the integrated electronic of the button composition that hardens.
Figure 20 is the front elevation of button base plate.
Figure 21 is the lateral plan of button base plate.
Figure 22 is the birds-eye view of button base plate.
Figure 23 is the back view of button base plate.
Figure 24 is the front elevation of button.
Figure 25 is the lateral plan of button.
Figure 26 is the birds-eye view of button.
Figure 27 is the back view of button.
Figure 28 is the assembly structure figure of panel block backboard and telltale.
Figure 29 is the F-F cutaway view of Figure 28.
Figure 30 is the front view of telltale.
Figure 31 is the lateral plan of Figure 30.
Figure 32 is the birds-eye view of Figure 30.
Figure 33 is the back view of telltale.
Figure 34 is the integrated electric daughter board front elevation of telltale.
Figure 35 is the lateral plan of Figure 34.
Figure 36 is the birds-eye view of Figure 34.
Figure 37 is the front elevation of display backplane.
Figure 38 is the lateral plan of display backplane.
Figure 39 is the birds-eye view of display backplane.
Figure 40 is the back view of display backplane.
Figure 41 is the front elevation of display pannel.
Figure 42 is the lateral plan of display pannel.
Figure 43 is the birds-eye view of display pannel.
Figure 44 is the back view of display pannel.
In diagram, the backboard of the panel of 1-panel block, 2-panel block, 3-button, 4-telltale, 5-nameplate, 6-emergency light, the 7-parts of conversing.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model preferred embodiment is elaborated.
As shown in Fig. 1-44, the present embodiment super-thin elevator operation box comprises panel 1, backboard 2, button 3, telltale 4, nameplate 5, emergency light 6, call parts 7 etc., and button 3 comprises again floor button, door open button, door close button, alarm button, ventilation button etc.
Referring to Fig. 2-12, panel 1 shape that is rectangle, it has the through hole suitable with button 3, telltale 4, nameplate 5, emergency light 6, call parts 7 etc., so that outside these parts are revealed in, for checking or operate in the external world.Telltale 4 is positioned at topmost, and its below is nameplate 5, emergency light that nameplate 5 belows are arranged side by side 6 and call parts 7, then below is the floor button of longitudinal arrangement, bottom is door open button and door close button, alarm button and ventilation button.
It is that an acute angle was rolled over towards backboard direction in its surrounding that the surrounding 1-1 of panel 1 takes the form of inclined plane, and the edge 1-2 of surrounding is towards the turnover of backboard direction, and its cross-sectional plane is circular arc, and arc protuberance is towards offside.
Backboard 2 shape that is rectangle, its surrounding 2-1 is first to panel 1 direction folding, and then, towards lateral direction folding, the end face distance L1 of opposite side periphery 2-1 is slightly larger than panel relative side along the distance L 2 between the middle part (being the highest portion of convex) of 1-2.The end face of surrounding 2-1 is fastened in edge, the surrounding 1-2 of panel 1 accordingly.When assembling panel 1 and backboard 2, first both longer wide-edges are aimed at, because panel edges is the circular shape of convex along the cross-sectional plane of 1-2, therefore, firmly pressed backboard 2, make its surrounding 2-1 cross panel edges and fix behind the middle part (being the highest portion of convex) of 1-2.
Panel 1 gives clamping by said structure between the two with backboard 2, simple for structure, assemble easy, quick and firmly.
Panel 1 forms and holds district Q between the two, for holding the parts such as button 3, telltale 4 after assembling with backboard 2.
Figure 13,14 has shown the mounting structure of button 3 with backboard 2, and backboard 2 has a plurality of through wires hole 2-2, for stretching through wires such as connecting button 3, telltale 4.Below one of them button 3 and the mounting structure of backboard 2 are described in detail, the mounting structure of other buttons is with reference to this structure.
Backboard 2 forms four positioning convex 2-3 towards panel one side, positioning convex 2-3 forms by punching press, four positioning convex 2-3 are up and down corresponding laying between two, and two of tops positioning convex is on same horizontal straight line, and two of belows positioning convex is also on same horizontal straight line.Positioning convex 2-3 is dome shape, protuberance towards offside be top positioning convex downward, bottom positioning convex is towards top.
The structure of button 3 is as shown in Figure 15-27, and the whole surrounding of button 3 is the square shape that removes four jiaos, and it comprises cover plate 3-1, integrated electric daughter board 3-2 and base plate 3-3.
As shown in Figure 15-18, the four edges of cover plate 3-1 forms two circular arc cutaway 3-1-1 along each, and respectively forms the opposing party's v notch v 3-1-2 in the middle part on four edges edge; Four jiaos of places in cover plate 3-1 respectively have screw 3-1-3.
The medial surface of cover plate 3-1 is established a layer insulating 3-1-6, this insulating barrier is made by soft material, the outer edge shape of this insulating barrier and the outer edge shape of cover plate 3-1 are suitable, it is also formed with the circular arc cutaway corresponding with cover plate 3-1, square breach and screw, the insulating barrier inner side corresponding in screw forms a square groove, in groove, insert square compressing tablet 3-1-4, the screw 3-1-3 line ball bolt that is used for spinning, line ball bolt is inner through pushing up pressure compressing tablet 3-1-4 after the screw of insulating barrier.
The middle part of cover plate 3-1 is circular press section 3-1-5, and the outside of this portion is provided with the numeral that shows floor.The insulating barrier 3-1-6 corresponding with press section 3-1-5, take center-point as the center of circle, forms two circle arc-shaped through-hole 3-1-7, and every circle is four arc-shaped gaps separately, and between two circle arc-shaped gaps, correspondence is connected one by one.Thereby make this portion of insulating barrier under the push action of press section 3-1-5 drives, motion more freely.In addition, this portion of insulating barrier also forms four convex tendon 3-1-9 and four location hook 3-1-8, four convex tendons be do not connect+word shape, it is uniform as the center of circle that four location hooks be take aforementioned center-point, the end of location hook 3-1-8 is hook-shaped.
As shown in figure 19, integrated electric daughter board 3-2 is thereon integrated by the circuit structure of button, its outer edge shape and cover plate 3-1 are suitable, on its every limit, form two circular arc cutaway 3-2-1 and a square breach 3-2-2, four jiaos is four pigtail splice 3-2-3, pigtail splice 3-2-3 is corresponding with aforesaid compressing tablet 3-1-4, by the top pressure effect of bolt, the wire head clamping is clamped between the two.The middle part of integrated electric daughter board 3-2 is switch 3-2-4, and this switch is over against the middle part of insulating barrier 3-1-6.Firmly press the press section 3-1-5 of cover plate, it can drive the middle part of insulating barrier 3-1-6 to contact switch 3-2-4, thereby carries out corresponding action.
Integrated electric daughter board 3-2 also forms four waist shaped hole 3-2-5, these four waist shaped holes are corresponding with four location hook 3-1-8 of insulating barrier, during assembling, both are slightly inclined to one side, its four waist holes are inserted to four location hook 3-1-8 of insulating barrier, then by rotating slightly, both are ajusted, (outwardly) salient point 3-2-6 of waist shaped hole just in time peaks at location hook 3-1-8, the hook portion of location hook hook in the opposite side of integrated electric daughter board 3-2.This structure, is convenient to both assembly operation and firm position.
The outer edge of base plate 3-3 and cover plate 3-1 are suitable, and its middle part cuts out one and removes the square hole of four jiaos, thereby is a square frame shape.Corresponding with the circular arc cutaway of cover plate and integrated electric daughter board, square breach, the four edges of base plate 3-3 forms two circular arc cutaway 3-3-1 along each, respectively forms a hook joint 3-3-2 on the four edges of base plate, and hook joint is hook-shaped towards offside.After aforementioned integrated electric daughter board 3-2 and cover plate 3-1 assemble, base plate 3-3 packs into from integrated electric daughter board 3-2 mono-side, its four hook joint 3-3-2 are through after the square breach of integrated electric daughter board 3-2, and hook is fixedly connected with in the square indentation, there of cover plate 3-1, referring to Figure 24-27.After assembling, the circular arc cutaway of each plate is corresponding one by one, and the distance between the relative circular arc cutaway in both sides is a bit larger tham the spacing of relative positioning projection 2-3 on backboard 2.Four circular arc cutaway of opposite side are wherein aimed at four positioning convex 2-3 of backboard 2, then firmly press and put in place, by the effect of four positioning convex 2-3, button 3 is fixed on backboard 2.
Figure 28-29 have shown the mounting structure of backboard 2 with telltale 4, and this mounting structure is identical with the mounting structure of aforementioned button, therefore, the positioning convex structure forming on backboard 2 are no longer described in detail, can be referring to foregoing.Below the structure of telltale 4 is described in detail.
Referring to Figure 30-44, the telltale 4 integral body shape that is rectangle, it comprises panel 4-1, integrated electric daughter board 4-2 and backboard 4-3, squared region, the middle part 4-1-1 of panel 4-1 is display space, two long limits of panel 4-1 respectively form two manhole 4-1-2, and this edge, two long limits also respectively forms three square breach 4-1-3.Two each shape of broadside edge protruding 4-1-4 in a row of panel 4-1.
Integrated electric daughter board 4-2 is thereon integrated by the circuit structure of telltale, its shape that is also rectangle, and the distance between the protruding 4-1-4 of two rows of the length of integrated electric daughter board 4-2 and panel 4-1 is suitable.4-1 is corresponding with panel, and two long limits of integrated electric daughter board 4-2 respectively form two manhole 4-2-1, and these two long limits also respectively form three square breach 4-2-2.Two broadsides of integrated electric daughter board 4-2 form a plurality of line joint 4-2-3, and line joint 4-2-3 electrically connects by wire and the external world.
The backboard 4-3 frame shape that is rectangle, its middle part forms a slot, corresponding with panel 4-1 and integrated electric daughter board 4-2, its two long limits respectively form two manhole 4-3-1, and, these two long limits also respectively form the hook joint 4-3-2 of three Fang Tizhuan, and hook joint forms hook-shaped towards offside.Two broadsides of backboard 4-3 also form the lead-in wire perforation 4-3-3 corresponding with the line joint of integrated electric daughter board 4-2.
Panel 4-1, integrated electric daughter board 4-2 and backboard 4-3 are aimed at and stacked successively, and two broadside edges of integrated electric daughter board 4-2 are just affixed on the protruding 4-1-4 place of panel 4-1.The hook joint 4-3-2 of backboard 4-3 is through after the square breach 4-2-2 of integrated electric daughter board 4-2, and hook is in the square breach 4-1-3 place of panel 4-1, thereby three is fixedly connected into integrated, as shown in Figure 30-33.After three's assembling, corresponding manhole has formed the positioning through hole of telltale, and the distance between the relative positioning through hole of both sides is a bit larger tham the spacing of relative positioning projection 2-3 on backboard 2.
Telltale 4 is assembled into after one, and its four positioning through hole are aimed at four positioning convex 2-3 of backboard 2, then firmly presses and puts in place, by the effect of four positioning convex 2-3, telltale 4 is fixed on backboard 2.
The related button integrated electric daughter board of the utility model, the circuit theory of telltale integrated electric daughter board are prior art.
It is rectangular-shaped that nameplate 5 is also, and the mounting structure of itself and backboard 2 and telltale 4 are similar with the mounting structure of backboard 2, and both are assembled into one by positioning convex and coordinating of positioning through hole, no longer detailed description.
Those of ordinary skill in the art will be appreciated that; above embodiment is only for the utility model is described; and not as to restriction of the present utility model, as long as in scope of the present utility model, to the variation of above embodiment, distortion, all will drop on protection domain of the present utility model.

Claims (10)

1. super-thin elevator operation box, comprises panel, backboard, button and telltale, and button at least comprises floor button, door open button and door close button; Panel and backboard positioned opposite and removable connection, form internal voids between the two; Described button, telltale include control circuit separately; On panel, have the through hole suitable with button, telltale, so that outside button, telltale be revealed in; It is characterized in that: described panel and backboard be respectively towards offside flanging, the edge by backboard flanging is pressed into the inwall of panel flanging and both is fixedly connected with relatively; The control circuit of described button and/or telltale adopts integrated electric daughter board, and described button and/or telltale are installed on described backboard by clamping.
2. super-thin elevator operation box as claimed in claim 1, it is characterized in that: described button or telltale and described backboard connection structure are as follows: backboard forms several positioning convex towards panel one side, and several positioning convex are at least distributed in two opposite sides; Corresponding, described button or telltale form several breach or through hole, correspondingly in breach or through hole snap in the positioning convex on backboard, by opposite side convex role, and button or telltale are positioned to backboard.
3. super-thin elevator operation box as claimed in claim 2, is characterized in that: described positioning convex is dome shape, and protuberance is towards offside.
4. super-thin elevator operation box as claimed in claim 2 or claim 3, is characterized in that: described button or telltale are Fang Tizhuan, and described breach or through hole have four, are opened in symmetrically long limit or the broadside of button or telltale; Described positioning convex has four, and four positioning convex are 2X2 queue arranges, and inserts accordingly respectively breach or the through hole of button or telltale.
5. super-thin elevator operation box as claimed in claim 4, is characterized in that: described button comprises cover plate, described integrated electric daughter board and base plate, in the four edges of cover plate along in, the edge of at least two opposite sides respectively forms square breach; The middle part of cover plate is press section, and the medial surface of cover plate is established a layer insulating, and this insulating barrier is made by soft material, and outer edge shape and the cover plate of this insulating barrier are suitable; The outer edge of integrated electric daughter board and base plate is all suitable with cover plate, and the middle part of integrated electric daughter board is provided with switch, and this switch is corresponding with the press section of described cover plate by insulating barrier; On base plate, form the hook joint corresponding with described square breach, hook joint is hook-shaped towards offside, and hook joint passes after integrated electric daughter board and insulating barrier, and hook is fixedly connected with in the square indentation, there of cover plate.
6. super-thin elevator operation box as claimed in claim 5, is characterized in that: described integrated electric daughter board is provided with several pigtail splices.
7. super-thin elevator operation box as claimed in claim 5, is characterized in that: described insulating barrier forms several location hooks, and several location hooks are along the circumferential direction uniform, and the end of location hook is hook-shaped; Corresponding, described integrated electric daughter board has several waist shaped holes, and waist shaped hole inserts described location hook, and the salient point of waist shaped hole just in time peaks at described location hook, the hook portion of location hook hook in the opposite side of integrated electric daughter board.
8. super-thin elevator operation box as claimed in claim 4, is characterized in that: described telltale comprises panel, described integrated electric daughter board and backboard, and in panel four edges, edge, at least two long limits forms square breach; The outer edge of described integrated electric daughter board, backboard is all suitable with described panel; Backboard forms the hook joint corresponding with described square breach, and hook joint is hook-shaped towards offside, and hook joint passes after integrated electric daughter board, and hook is fixedly connected with in the square indentation, there of panel.
9. super-thin elevator operation box as claimed in claim 8, is characterized in that: described integrated electric daughter board forms a plurality of line joints.
10. the super-thin elevator operation box as described in claim 1-3 any one, is characterized in that: the described panel shape that is rectangle, and surrounding is towards the turnover of backboard direction, and its cross-sectional plane is circular arc, and arc protuberance is towards offside; The described backboard shape that is rectangle, surrounding is first to panel direction folding, and then, towards lateral direction folding, the edge of backboard surrounding is fastened in the inwall of panel surrounding accordingly.
CN201320542749.XU 2013-09-02 2013-09-02 Ultra-thin type elevator operation box Withdrawn - After Issue CN203474137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320542749.XU CN203474137U (en) 2013-09-02 2013-09-02 Ultra-thin type elevator operation box

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Application Number Priority Date Filing Date Title
CN201320542749.XU CN203474137U (en) 2013-09-02 2013-09-02 Ultra-thin type elevator operation box

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CN203474137U true CN203474137U (en) 2014-03-12

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CN201320542749.XU Withdrawn - After Issue CN203474137U (en) 2013-09-02 2013-09-02 Ultra-thin type elevator operation box

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103434902A (en) * 2013-09-02 2013-12-11 浙江欧姆龙电梯有限公司 Ultrathin type elevator maneuvering box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103434902A (en) * 2013-09-02 2013-12-11 浙江欧姆龙电梯有限公司 Ultrathin type elevator maneuvering box
CN103434902B (en) * 2013-09-02 2015-01-28 浙江欧姆龙电梯有限公司 Ultrathin type elevator maneuvering box

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