CN201289801Y - Mechanism for preventing disoperation of switch handle and switch apparatus with the mechanism - Google Patents
Mechanism for preventing disoperation of switch handle and switch apparatus with the mechanism Download PDFInfo
- Publication number
- CN201289801Y CN201289801Y CNU2008201392221U CN200820139222U CN201289801Y CN 201289801 Y CN201289801 Y CN 201289801Y CN U2008201392221 U CNU2008201392221 U CN U2008201392221U CN 200820139222 U CN200820139222 U CN 200820139222U CN 201289801 Y CN201289801 Y CN 201289801Y
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- switch knob
- switching device
- switchgear
- crosspiece
- switch
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Abstract
The utility model relates to a switch device, in particular to a double-power transfer switch device, and discloses a mechanism applied in the switch device for preventing the misoperation of a switch handle. The switch device is provided with the mechanism for preventing the misoperation of the switch handle; and the mechanism comprises a sliding piece arranged between the switch device and a cover shroud and sliding along the line connecting direction relative to the pivot rotation of the switch device, and a sliding guide piece arranged on the switch device for guiding the sliding piece, wherein, the sliding piece is provided with a cross rail vertical to the line connecting direction. When the cover shroud is opened relative to the switch device, the cross rail is located in the switch-on limiting position used for restricting the switch handle to reaching the switch-on position. When the cover shroud is closed relative to the switch device, the cross rail is located in an avoidance position beyond the switch-on position. When opened for overhaul or maintenance, the switch device can prevent the closure of the switch handle so as to avoid the occurrence of hazards.
Description
Technical field
The utility model relates to anti-switch knob misoperation mechanism and has the switchgear of this mechanism, particularly, relate to a kind of anti-switch knob misoperation mechanism that can when switchgear is opened, prevent the switch knob closure, and the switchgear with this mechanism, especially dual-power transfer switch equipment.
Background technology
Dual-power transfer switch equipment is widely used in low voltage switchgear and control appliance field, its be used to monitor power circuit with one or several load circuit from a power source conversion to another power supply.Conventional dual-power transfer switch equipment comprise the bat-handle switch that is electrically connected break-make that has respectively between control and power supply commonly used and the stand-by power supply two switching devices and being used for change deciliter state of switch knob of above-mentioned switching device with the operating mechanism of realization power source conversion.Described operating mechanism can be realized the automatic conversion of the switch knob state of power supply commonly used and stand-by power supply by for example motor rotational driving gear, perhaps can realize the manual switch of above-mentioned switch knob state under urgent situation by the hand rotation driven wheel.
According to a kind of improved dual-power transfer switch equipment, allow opening operation mechanism when the switch knob of two switching devices that are used for normal/stand-by power supply all is in the disjunction state, so that add operations such as auxiliary contact, wiring, inspection or maintenance.Figure 1A shows the perspective schematic view of this dual-power transfer switch equipment.As shown in Figure 1, operating mechanism 10 is pivotably connected on the mechanism rack 30 and 30 ' that is fixed on two switching devices 20 and 20 ', thereby can be with respect to switching device 20 and 20 ' open and close.Switching device 20 and 20 ' has switch knob 21 and 21 ' respectively.The mode that Figure 1B amplifies with the part shows operating mechanism 10, switching device 20 and mechanism rack 30.
There is such problem in above-mentioned dual-power transfer switch equipment, promptly, after operating mechanism 10 is opened, in adding processes such as operation such as auxiliary contact, wiring, inspection or maintenance, may be because misoperation and Closing Switch handle 21 and/or 21 ', cause user's hot line job and cause equipment to damage and/or hazard to person.
In the switchgear of other type,, promptly, misoperation causes danger owing to causing the switch knob closure if then also there is same problem in operations such as the cover cap that allows the user to open switchgear is checked, maintenance.
The utility model content
Therefore, a purpose of the present utility model provides a kind of anti-switch knob misoperation mechanism that can prevent the switch knob closure when switchgear is opened, and the switchgear with this mechanism, especially dual-power transfer switch equipment.
Another purpose of the present utility model provides a kind of simple in structure, operation is reliable, cost is low anti-switch knob misoperation mechanism and has the switchgear of this mechanism.
Another purpose of the present utility model provides a kind of switchgear that can automatically switch knob be placed the anti-switch knob misoperation mechanism of separating brake position in the opening procedure of switchgear and have this mechanism.
Of the present utility model above-mentioned and/or other purpose and effectiveness can realize that described switchgear comprises by a kind of switchgear is provided: switching device has the switch knob that can move between separating brake position and closing position; Cover cap, it is connected to described switching device pivotly so that around a pivot axis with respect to the switching device open and close, the direction of described pivot axis is perpendicular to the line direction of described separating brake position and closing position; With anti-switch knob misoperation mechanism, described anti-switch knob misoperation mechanism comprises sliding part that is arranged between described switching device and the cover cap and slides with respect to the pivot of switching device and along described line direction along with cover cap and the sliding guide that is arranged at the guided slidable part on the described switching device, described sliding part has the crosspiece perpendicular to described line direction, when cover cap is opened with respect to switching device, crosspiece is positioned at the restriction closing position that the described switch knob of restriction reaches closing position, when cover cap was closed with respect to switching device, crosspiece was positioned at the position of dodging that exceeds described closing position.
In the process that cover cap is opened with respect to switching device, described crosspiece can spur described switch knob, makes it to move to the separating brake position.
Described sliding guide can have along the chute of described line direction, and the end of described crosspiece is engaged in this chute slidably.
Described sliding part can also comprise actuating arm, and first end of described actuating arm is connected near the end of described crosspiece.According to an embodiment, second end of described actuating arm is connected to described cover cap pivotly.According to another embodiment, described anti-switch knob misoperation mechanism also comprise along with cover cap with respect to the pivot of switching device and the gear that rotates is formed with tooth-strip part, this tooth-strip part and described gears engaged on the described actuating arm.Preferably, described sliding part comprises two described actuating arms, and these two actuating arms and described crosspiece constitute " ∏ " shape shape.
In addition, described switchgear can also comprise a support that is fixed on the described switching device, and described cover cap is connected on this support pivotly, and described sliding guide and this support form as one.
Switchgear with above-mentioned feature can be a kind of dual-power transfer switch equipment, and it comprises: two switching devices that are arranged side by side have the switch knob that can move respectively between separating brake position and closing position; Operating mechanism, it is connected to described two switching devices pivotly so that around a pivot axis with respect to described two switching device open and closes, the direction of described pivot axis is perpendicular to the line direction of described separating brake position and closing position; With two aforesaid anti-switch knob misoperation mechanisms.
Of the present utility model above-mentioned and/or other purpose and effectiveness can also be by providing a kind of anti-switch knob misoperation mechanism that is used for switchgear to realize, can be thereby described switchgear comprises the switching device with the switch knob that can move and is connected to switching device pivotly between separating brake position and closing position around the cover cap of a pivot axis with respect to the switching device open and close, the direction of described pivot axis is perpendicular to the line direction of described separating brake position and closing position, wherein, described anti-switch knob misoperation mechanism comprises: sliding guide, and it is formed with chute; And sliding part, it has the crosspiece perpendicular to the glide direction setting of sliding part, and this crosspiece can reach the restriction closing position of closing position and exceed dodging between the position of described closing position and move at the limit switch handle.
Description of drawings
By the detailed description of being done in conjunction with the following drawings, above-mentioned and/or other aspects of the present utility model and advantage will become clearer and be more readily understood, wherein:
Figure 1A is the perspective schematic view of existing dual-power transfer switch equipment, and wherein operating mechanism is opened with respect to switching device;
Figure 1B is the partial enlarged view of the equipment of dual-power transfer switch shown in Figure 1A;
Fig. 2 A is that wherein operating mechanism is in open mode with respect to switching device according to the perspective view of the dual-power transfer switch equipment of the anti-switch knob misoperation of having of the utility model embodiment mechanism;
Fig. 2 B is the partial enlarged view of dual-power transfer switch equipment shown in Fig. 2 A;
Fig. 3 is the plane graph of the sliding part in the anti-switch knob misoperation shown in Figure 2 mechanism;
Fig. 4 is the perspective view of the sliding guide in the anti-switch knob misoperation shown in Figure 2 mechanism;
Fig. 5 be operating mechanism following with respect to the switching device closure state, according to the local enlarged perspective of the dual-power transfer switch equipment of the anti-switch knob misoperation of having of the utility model embodiment mechanism, wherein in order to show inside, operating mechanism is not illustrated;
Fig. 6 A and Fig. 6 B are the perspective views according to the dual-power transfer switch equipment of the anti-switch knob misoperation of having of another embodiment of the utility model mechanism, and wherein for for the purpose of simple, clear, operating mechanism is not illustrated.
Embodiment
Below with the example of dual-power transfer switch equipment as switchgear of the present utility model, with the example of the operating mechanism in the dual-power transfer switch equipment, exemplary embodiment of the present utility model is described in detail with reference to accompanying drawing as the cover cap in the switchgear of the present utility model.
Fig. 2 be illustrate operating mechanism with respect under the switching device open mode, according to the perspective view of the dual-power transfer switch equipment of the anti-switch knob misoperation of having of the utility model embodiment mechanism.As shown in the figure, dual-power transfer switch equipment 100 comprises operating mechanism 110, two switching devices that are arranged side by side 120 and 120 ', is connected to two mechanism racks 130 and 130 ' and anti-switch knob misoperation mechanism between operating mechanism 110 and two switching devices.Switching device 120,120 ' has switch knob 121,121 ' respectively, and they can move between separately separating brake position and closing position.Mechanism rack 130,130 ' is fixed on the switching device 120,120 '.Operating mechanism 110 is connected to mechanism rack pivotly, thereby can be around a pivot axis with respect to switching device 120,120 ' open and close, and wherein said axis normal is in switch knob 121,121 ' separating brake position and the line direction of closing position.When operating mechanism 110 with respect to switching device 120,120 ' when closed, it is supported on the mechanism rack 130.Anti-switch knob misoperation mechanism comprises the sliding part 141 that has crosspiece, 141 ' and the guided slidable part sliding guide 142,142 ' of sliding.The sliding guide 142 of anti-switch knob misoperation mechanism 140 can form as one with mechanism rack 130,130 '.Along with operating mechanism 110 pivotally opens with respect to switching device 120,120 ', this crosspiece moves along the separating brake position of switch knob and the line direction of closing position, and this will illustrate in greater detail following.
Because mechanism rack 130, sliding part 141 and sliding guide 142 have identical structure with mechanism rack 130 ', sliding part 141 ' and sliding guide 142 ' respectively, so be that example describes only below for simplicity's sake, with mechanism rack 130, sliding part 141 and sliding guide 142.
Fig. 3 and Fig. 4 show a kind of exemplary configurations according to the anti-switch knob misoperation mechanism of present embodiment.Fig. 3 is the plane graph of the sliding part in the anti-switch knob misoperation shown in Figure 2 mechanism, and Fig. 4 is the perspective view of mechanism rack shown in Figure 2, and wherein sliding guide forms the part of mechanism rack.
As shown in Figure 3, the sliding part 141 according to the anti-switch knob misoperation mechanism 140 of present embodiment has roughly " ∏ " shape structure.Particularly, sliding part 141 comprises near the actuating arm 141b that crosspiece 141a is with two ends that are connected to crosspiece.The end away from crosspiece 141a of actuating arm 141b can be formed with along the minor axis part 141b-1 that is parallel to the crosspiece bearing of trend, actuating arm 141 can be rotationally attached to operating mechanism 110 (referring to Fig. 2) by cooperating between the hole 112 on this minor axis part 141b-1 and two fins 111 that are formed on operating mechanism 110.Two ends of crosspiece 141a can be engaged in below in the chute of the sliding guide that will introduce, thereby along with the rotary manipulation of operating mechanism 110 moves forward and backward at the driving lower edge of actuating arm 141b chute.
As shown in Figure 4, sliding guide 142 according to the anti-switch knob misoperation mechanism 140 of present embodiment comprises two plate-like piece 142a that are arranged side by side, and each plate-like piece has along the chute 142b of the line direction of the separating brake position of switch knob 121 and closing position.
Should be appreciated that actuating arm and operating mechanism rotatable was connected not necessarily by cooperating between the hole on the minor axis on the actuating arm end and the operating mechanism, for example, can be formed between the minor axis on hole and the operating mechanism on the actuating arm end and cooperate.
Below in conjunction with the operation of Fig. 2 and Fig. 5 explanation according to the anti-switch knob misoperation mechanism of the utility model embodiment.
At first with reference to figure 5, it shows the state of operating mechanism when closed with respect to switching device, and wherein in order to show the state of inner member, operating mechanism is not shown.As shown in Figure 5, when operating mechanism was closed, sliding part 141 slid into the approximate chute 142b that is parallel to, and crosspiece 141b is away from the pivot axis of operating mechanism, exceeded the closing position of switch knob 121 and was positioned at and dodges the position.Dodge on the A of position at this, crosspiece 141a can not produce any influence to the operation of switch knob 121.Although switch knob 121 is illustrated as being in closing position among Fig. 5, this moment, switch knob 121,121 ' can at random be on closing position or the disjunction position according to the operation of operating mechanism.
In the process that operating mechanism 110 outwards overturns, the actuating arm 141b of sliding part 141 is subjected to the tractive of operating mechanism 110, thereby traction crosspiece 141a makes crosspiece 141a slide to the direction of the pivot axis of close operating mechanism along chute 142b.State when Fig. 2 shows operating mechanism and is opened with respect to switching device.At this moment, crosspiece 141a is between the closing position and separating brake position of switch knob, makes switch knob 121 to close a floodgate.This position of crosspiece is called as " restriction closing position ".
When closed procedure mechanism, along with operating mechanism 110 inwardly overturns, actuating arm 141b promotes crosspiece 141a and slides away from the direction of the pivot axis of operating mechanism along chute 142b edge, when operating mechanism was closed with respect to switching device, sliding part 141 was in the above-mentioned approximate state of describing with reference to Fig. 5 that is parallel to chute 142b again.At this moment, crosspiece 141a gets back to it and dodges the position, and the normal running to switch knob 121 does not produce any influence.Under state shown in Figure 5, operating mechanism 110 can realize by for example motor rotational driving gear being used to use always/switch knob 121 of stand-by power supply, the automatic conversion of 121 ' state, perhaps can under urgent situation, realize the manual switch of above-mentioned switch knob 121,121 ' state by the hand rotation driven wheel.
In addition, can also be configured to be in closing position and operating mechanism when being opened by force according to the anti-switch knob misoperation mechanism of a preferred embodiment of the present utility model at switch knob 121 or 121 ', sliding part 141,141 ' crosspiece 141a, 141a ' can make it to move to the disjunction position drag the switch knob that is in closing position in restriction closing position moving process.This can realize by the sliding scale of for example adjusting crosspiece 141a.Those skilled in the art can also be by optimizing for example crosspiece structure, chute shape etc., so that above-mentioned that switch knob is pulled to the operation of separating brake position is lighter.According to the foregoing description, can guarantee that switch knob just is in the separating brake position, thereby avoids when operating mechanism is opened, owing to switch knob is in the danger that other position causes mistakenly as long as operating mechanism is opened.
Below in conjunction with the dual-power transfer switch equipment 200 of Fig. 6 A and 6B explanation according to another embodiment of the utility model.
With reference to Fig. 6 A and 6B, in the dual-power transfer switch equipment 200, anti-switch knob misoperation mechanism can be implemented as gear-rack structure.The gear (or part of gear) 243 of rotation synchronously can be provided along with the pivot of operating mechanism.Sliding part 241 is parallel to the separating brake position of switch knob and the line direction setting of closing position, and comprises near the actuating arm 241b that the crosspiece (not shown) is with two ends that are connected to crosspiece.Can be provided with and the identical sliding guide of sliding guide 142 among the above-mentioned embodiment that describe with reference to Fig. 2 and 5, with moving of guided slidable part 241.Be formed with tooth-strip part 241c on the actuating arm 241b.Tooth-strip part 241c engagement on gear 243 and the actuating arm 241b.When operating mechanism rotated, gear 243 rotations drove actuating arm 241b front and back on described line direction and move, thereby realized that crosspiece is limiting closing position and dodging moving between the position.
When the operating mechanism (not shown) was in closure state with respect to switching device, as shown in Figure 6A, sliding part 241 moved to the rightmost side, made crosspiece be in " dodging the position ".At this moment, switch knob 221 (221 ') can be according to the operation of operating mechanism and is in closing position or disjunction position arbitrarily, and can not be subjected to the interference of crosspiece.When operating mechanism was opened, shown in Fig. 6 B, gear 243 drove actuating arm 241b and is moved to the left along with the pivot of operating mechanism rotates along the diagram direction of arrow, makes crosspiece be in " restriction closing position ".At this moment, switch knob 221 (221 ') is subjected to the crosspiece restriction and can only be in the disjunction position.
By foregoing description as seen, in the utility model, owing to work as with respect to switching device opening operation mechanism, when promptly opening switchgear, the crosspiece of anti-switch knob misoperation mechanism is in above-mentioned restriction closing position automatically, so can prevent reliably, easily that switch knob is owing to misoperation is closed.Especially when opening operation such as switchgear inspection, maintenance, can prevent because misoperation causes the switch knob closure to cause danger.In addition, the operation of anti-switch knob misoperation of the present utility model mechanism is reliable, and simple in structure, and cost is low.
Should be appreciated that, anti-switch knob misoperation mechanism may be embodied as other form beyond sliding part and the sliding guide, as long as and can realize that crosspiece is rotated in restriction closing position that the limit switch handle closes a floodgate and the moving between the position of dodging that does not influence the switch knob operation along with operating mechanism.
Although be that example describes above with dual-power transfer switch equipment,, the utility model is not only applicable to such switchgear.For example, those skilled in the art are readily appreciated that, do not have operating mechanism, but correspondingly be provided with in the switchgear that is located at the outer cover on the main body with switch knob, can between outer cover and main body, be provided with according to anti-switch knob misoperation of the present utility model mechanism, be used for opening outer cover inspection, keeping in repair or other when operation, prevent that switch knob is closed and cause danger.In this case, switchgear can have single or unnecessary two switching devices, and is not limited to have two switching devices as dual-power transfer switch equipment.
Below structure of the present utility model, advantage and feature are described by having embodiment.Those skilled in the art will know that above-mentioned description only is for example, rather than determinate.Those of ordinary skill in the art can carry out various changes that are equal to and replacement under the prerequisite that does not break away from spirit of the present utility model and essence.
Claims (15)
1. a switchgear is characterized in that, this switchgear comprises
Switching device has the switch knob that can move between separating brake position and closing position;
Cover cap, it is connected to described switching device pivotly so that around a pivot axis with respect to the switching device open and close, the direction of described pivot axis is perpendicular to the line direction of described separating brake position and closing position; With
Anti-switch knob misoperation mechanism, it comprises sliding part that is arranged between described switching device and the cover cap and slides with respect to the pivot of switching device and along described line direction along with cover cap and the sliding guide that is arranged at the guided slidable part on the described switching device, described sliding part has the crosspiece perpendicular to described line direction, when cover cap is opened with respect to switching device, crosspiece is positioned at the restriction closing position that the described switch knob of restriction reaches closing position, when cover cap was closed with respect to switching device, crosspiece was positioned at the position of dodging that exceeds described closing position.
2. switchgear as claimed in claim 1 is characterized in that,
Described switchgear is a dual-power transfer switch equipment,
The position of the switch knob in for a change above-mentioned switching device of described cover cap is to realize the operating mechanism of power source conversion.
3. switchgear as claimed in claim 1 or 2 is characterized in that, in the process that cover cap is opened with respect to switching device, described crosspiece spurs described switch knob, makes it to move to the separating brake position.
4. switchgear as claimed in claim 1 or 2 is characterized in that, described sliding guide has along the chute of described line direction, and the end of described crosspiece is engaged in this chute slidably.
5. switchgear as claimed in claim 1 or 2 is characterized in that described sliding part also comprises actuating arm, and first end of described actuating arm is connected near the end of described crosspiece.
6. switchgear as claimed in claim 4 is characterized in that, second end of described actuating arm is connected to described cover cap pivotly.
7. switchgear as claimed in claim 4 is characterized in that, described anti-switch knob misoperation mechanism also comprise along with cover cap with respect to the pivot of switching device and the gear that rotates is formed with tooth-strip part, this tooth-strip part and described gears engaged on the described actuating arm.
8. switchgear as claimed in claim 6 is characterized in that, described sliding part comprises two described actuating arms, and these two actuating arms and described crosspiece constitute " ∏ " shape shape.
9. switchgear as claimed in claim 7 is characterized in that, described sliding part comprises two described actuating arms, and these two actuating arms and described crosspiece constitute " ∏ " shape shape.
10. claim 1 or 2 described switchgears is characterized in that, also comprise a support that is fixed on the described switching device, and described cover cap is connected on this support pivotly, and described sliding guide and this support form as one.
11. anti-switch knob misoperation mechanism that is used for switchgear, can be thereby described switchgear comprises the switching device with the switch knob that can move and is connected to switching device pivotly between separating brake position and closing position around the cover cap of a pivot axis with respect to the switching device open and close, the direction of described pivot axis is perpendicular to the line direction of described separating brake position and closing position
Wherein, described anti-switch knob misoperation mechanism comprises:
Sliding guide, it is formed with chute; With
Sliding part, it has the crosspiece perpendicular to the glide direction setting of sliding part, and this crosspiece can reach the restriction closing position of closing position and exceed dodging between the position of described closing position and move at the limit switch handle.
12. anti-switch knob misoperation as claimed in claim 11 mechanism is characterized in that described sliding part also comprises actuating arm, first end of described actuating arm is connected near the end of described crosspiece.
13. anti-switch knob misoperation as claimed in claim 12 mechanism is characterized in that second end of described actuating arm is connected to the cover cap of described switchgear pivotly.
14. anti-switch knob misoperation as claimed in claim 12 mechanism, it is characterized in that, described anti-switch knob misoperation mechanism also comprise along with cover cap with respect to the pivot of switching device and the gear that rotates is formed with tooth-strip part, this tooth-strip part and described gears engaged on the described actuating arm.
15. as claim 13 or 14 described anti-switch knob misoperation mechanisms, it is characterized in that described sliding part comprises two described actuating arms, these two actuating arms and described crosspiece constitute " ∏ " shape shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201392221U CN201289801Y (en) | 2008-10-10 | 2008-10-10 | Mechanism for preventing disoperation of switch handle and switch apparatus with the mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201392221U CN201289801Y (en) | 2008-10-10 | 2008-10-10 | Mechanism for preventing disoperation of switch handle and switch apparatus with the mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201289801Y true CN201289801Y (en) | 2009-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201392221U Expired - Lifetime CN201289801Y (en) | 2008-10-10 | 2008-10-10 | Mechanism for preventing disoperation of switch handle and switch apparatus with the mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201289801Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820165A (en) * | 2011-06-10 | 2012-12-12 | Ls产电株式会社 | Switching position detector for vacuum circuit breaker |
| CN107878711A (en) * | 2017-07-17 | 2018-04-06 | 青岛海狮网络科技有限公司 | One kind can effectively fool proof personal floating lamp for life saving position device |
| CN112928613A (en) * | 2016-02-12 | 2021-06-08 | 伊顿智能动力有限公司 | A housing arrangement; an assembly; and method |
| CN114946404A (en) * | 2017-09-15 | 2022-08-30 | 迪尔公司 | Control mechanism for bottom shield of cotton harvester |
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2008
- 2008-10-10 CN CNU2008201392221U patent/CN201289801Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820165A (en) * | 2011-06-10 | 2012-12-12 | Ls产电株式会社 | Switching position detector for vacuum circuit breaker |
| CN102820165B (en) * | 2011-06-10 | 2015-04-01 | Ls产电株式会社 | Switching position detector for vacuum circuit breaker |
| CN112928613A (en) * | 2016-02-12 | 2021-06-08 | 伊顿智能动力有限公司 | A housing arrangement; an assembly; and method |
| CN112928613B (en) * | 2016-02-12 | 2024-04-12 | 伊顿智能动力有限公司 | A housing arrangement; a component; method and apparatus for processing a web |
| CN107878711A (en) * | 2017-07-17 | 2018-04-06 | 青岛海狮网络科技有限公司 | One kind can effectively fool proof personal floating lamp for life saving position device |
| CN107878711B (en) * | 2017-07-17 | 2023-07-18 | 青岛海狮网络科技有限公司 | Personal lifesaving position indicating device capable of effectively preventing misoperation |
| CN114946404A (en) * | 2017-09-15 | 2022-08-30 | 迪尔公司 | Control mechanism for bottom shield of cotton harvester |
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Granted publication date: 20090812 |
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| CX01 | Expiry of patent term |