CN104701041B - Installation switchgear with reset key - Google Patents

Installation switchgear with reset key Download PDF

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Publication number
CN104701041B
CN104701041B CN201410721425.1A CN201410721425A CN104701041B CN 104701041 B CN104701041 B CN 104701041B CN 201410721425 A CN201410721425 A CN 201410721425A CN 104701041 B CN104701041 B CN 104701041B
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CN
China
Prior art keywords
housing
lines
profile
bowden
reset key
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Active
Application number
CN201410721425.1A
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Chinese (zh)
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CN104701041A (en
Inventor
R.伯克哈特
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.)
ABB Technology AG
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Asea Brown Boveri AB
Priority date (The priority date 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 date listed.)
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Publication of CN104701041A publication Critical patent/CN104701041A/en
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Publication of CN104701041B publication Critical patent/CN104701041B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/36Driving mechanisms, i.e. for transmitting driving force to the contacts using belt, chain, or cord
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/38Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/50Manual reset mechanisms which may be also used for manual release
    • H01H71/58Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide

Abstract

The present invention relates to a kind of installation switchgears with reset key, carry:Housing at least one fore side;With reset key, it extends over the profile of fore side and can be pressed into reset perpendicular to the profile of fore side, wherein, reset key is using the Bowden cable controls for being used as force transmission element, wherein, Bowden cable constructions have ladle cover and have the wire-core of tappet at one end;And with housing, reset key is covered and with for fixing the sections bracing with connective positional of the ladle cover of Bowden drag-lines.Bowden drag-lines are maintained at sections bracing with connective positional with being parallel to the profile of housing, and housing constructs strong transfer, and the power that the profile for being parallel to housing of the tappet of Bowden drag-lines acts on is turned to the reset force being applied into the profile perpendicular to housing on reset key.

Description

Installation switchgear with reset key
Technical field
The present invention comes from a kind of installation switchgear of preamble according to claim 1, carries:With at least one The housing of a fore side;With reset key (Ruecksetztaste), the profile of fore side is extended over and in order to multiple Position can be pressed into perpendicular to the profile of fore side, wherein, reset key is using the Bowden drag-lines for being used as force transmission element (Bowdenzug) it manipulates, wherein, which has ladle cover (Ummantelung) and has tappet at one end Wire-core (Stahldrahtseele);And with housing (Abdeckhaube), reset key is covered and with being used for The sections bracing with connective positional (Koppelstelle) of the ladle cover of fixed Bowden drag-lines.Here, wire-core may be configured to helical spring silk core Form.
The invention particularly relates to a kind of overload relay, band is useful for the adjusting knob and reset key of current range. Reset key usually can only manipulate directly at equipment.There is also the applicable cases of overcurrent relay, wherein also should can from compared with Remote place for example manipulates reset key at the door of switchgear.
Background technology
To a kind of housing of this front side for overload relay as known to 84 34 883 U of file DE, band is useful for The adjusting knob of current range and change-over switch and reset key for discharging grade (Ausloeseklasse), reset key lead to Crossing movably guided repetition tappet (Wiederholstoessel) in housing can manipulate, wherein, tappet is repeated to prevent The mode of torsion is guided and has the threaded hole for accommodating the screw thread of steel wire release (Drahtauloeser).Steel wire Release is configured to Bowden drag-lines and is directed into so that it is vertically struck on the profile of housing.Thus cause in mistake Larger space requirement is needed before carrying relay, this intrusively influences the cramped construction of such as switchgear.
41 34 799 A1 of file DE show a kind of manipulation device for switch at switchgear, which sets The standby housing for being arranged in closing, especially in switch cabinet shell body and the button by means of movably being supported in the partition board of housing It can be connected in the case of connecting force transmission element in centre, wherein, force transmission element is configured to ladle cover and wire-core or spiral shell The Bowden drag-lines of rotation spring wire core, have the tappet of the switch knob of loaded switches at one end and its other end can pass through Button loads, and wherein, wire-core utilizes exposed part before tappet for turning to the direction of motion of wire-core Steering guide housing guiding channel in it is bootable into the switch knob for so that tappet can vertically guide switch into, and wherein, Turn to guide housing adjustably and can be supported at switchgear to locking beside switch knob.Turn to guide housing herein By multiple one-piece structures, this is complicated in manufacture and assembling.
Invention content
Therefore, present invention aims at provide it is a kind of for be coupled remote control installation switchgear, especially overload after The cost of the Bowden drag-lines of the reset key of electric appliance reduces and section space-efficient possibility.
According to the present invention, which is realized by a kind of installation switchgear of the feature with claim 1.
According to the present invention, Bowden drag-lines are maintained at sections bracing with connective positional with being parallel to the profile of housing, and housing structure Strong transfer is made, the power that the profile for being parallel to housing of the tappet of Bowden drag-lines acts on is turned into perpendicular to housing Profile be applied to reset force on reset key.
Power transfer is integrated into housing.It enables the force direction of Bowden drag-lines-tappet to deflect, so as in shell Level land realizes the laying of Bowden drag-lines and therefore saves on space on the profile of body.It is avoided in this way such as in the prior art In it is known as need complicated component.
According to the present invention one advantageous form of implementation, power transfer with being configured to spring with the inside phase of housing The bent beam (Biegebalken) of connection, in the steering protrusion that the carrying of its free end is intersected with the movement locus of tappet (Umlenkfortsatz)。
Bent beam can have different shape and profile.It shows the flexural property of elasticity.Therefore it ought no longer manipulate During Bowden drag-lines, it is ensured that power transfer is bounce back into its initial position.Individual return spring is not needed to thus.According to this The housing of invention does not need to additional component.The manipulation of reset key via bent beam the flexibly spray being integrated in housing The introducing of power of the tappet for descending through Bowden cable arrangements of flexible finger realize.
According to the present invention one advantageous form of implementation, bent beam carry the manipulation towards reset key in its free end Protrusion.The manipulation protrusion has extension spatially, allows when bent beam is bent on the profile of housing in the wheel of housing It is effectively connect with the reset key being arranged at this in larger region on exterior feature.Tune according to the present invention as centre connection Thus the power transfer of whole element makes it possible widened overlay area, the reset key of installation switchgear can be in this In overlay area.It can be covered in this way using unique form of implementation of housing in the different location with reset key Larger range at installation switchgear.Therefore it saves considerably and treats reserved component.
According to the present invention one advantageous form of implementation manipulates protrusion with the inclined control surface towards reset key. Inclined control surface in bent beam end is responsible for the tired of the key stroke (Tasthub) being manually introduced by Bowden drag-lines Into power-displacement-characteristic.In this manner, the reset key (RESET buttons) being pressed into deeply needs smaller steering force.This protection Bowden drag-lines reduce the risk that loss of travel is left in steel wire release from mechanical overload.Additionally, it is grasping The inclined-plane of vertical prominence contributes to advantageous power-displacement to transmit.
According to the present invention one advantageous form of implementation, is provided with that can mutually take to can at the profile of housing and fore side Engaging device in the engagement of release is fixed on so as to which housing can be pressed from both sides Shangdi on the profile of fore side.Engaging device is outstanding It can be that occlusion refers to (Schnappfinger), be stretched out at housing, and carry biting hook in its free end, and It can at the corresponding site at the profile of housing existing for recess or undercutting (Hinterschneidung) take what is be engaged to In clamping lock connection.Therefore housing can simply and uncomplicatedly be caught at the housing of installation switchgear.Housing, which is formed, to be used In the mechanical interface for the Bowden drag-lines for manipulating reset key.Occlusion instigates and can same housing can be installed to different installations At the housing of multiple and different sizes of switchgear.Therefore for a large amount of different installation switchgears, for example a series of be used for The overload relay of different rated current intensity can be adapted to phase with therefore different housings size, housing by unified mechanical interface The installation switchgear answered, the respective housings of for example corresponding overload relay.
According to the present invention one advantageous form of implementation, Bowden cable constructions have Bowden drag-line end caps (Bowdenzugendhuelse), wherein, Bowden drag-lines end cap and housing be configured at sections bracing with connective positional it is mutual corresponding into Type portion (Profilierung), so as to which Bowden drag-lines end cap can be blocked with housing at sections bracing with connective positional by profile-shape cooperation Lock ground is fixed.This realizes, by by means of profile-be connected by Bowden drag-line end cap mounting boards housing sections bracing with connective positional Place, can simply be installed the Bowden drag-lines for remote control reset key by End-Customer oneself.So, Bowden drag-lines End cap is maintained at by clamping and clamping lock, by profile-shape cooperation at housing.
According to the present invention one advantageous form of implementation, housing and power transfer and sections bracing with connective positional are with being configured to single type The component of implementation.Particularly advantageously, housing is the unique moulding being made of ambroin, such as thermoplastic.
Housing according to the present invention has combined a series of different function in uniquely integrated moulding.This will be for reality The quantity of single component necessary to the remote control of existing reset key is reduced to two, i.e. housing and Bowden drag-lines.
The other advantageous design scheme and improvement plan and other advantage of the present invention can be in dependent claims In learn.
Description of the drawings
Attached drawing and explanation are for more fully understanding object.Roughly the same or similar object or the component of object can be equipped with phase Same reference numeral.Attached drawing is only the schematic illustration of the present invention.
Wherein:
Fig. 1 show to carry the overload according to the present invention of housing on folder and installation Bowden drag-lines at which after The vertical view of electric appliance,
Fig. 2 is shown by with the housing on the folder of the Bowden drag-lines with installation at which of the first form of implementation Vertical section,
Fig. 3 shows the pro detailed view from top to the installation switchgear according to Fig. 1,
Fig. 4 shows the side view of the housing on the folder according to the first form of implementation according to fig. 2, wherein, show power Two positions of transfer,
Fig. 5 is shown by with the housing on the folder of the Bowden drag-lines with installation at which of the second form of implementation Vertical section and
Fig. 6 is shown by being installed at which with carrying for the second form of implementation in the case where manipulating reset key The vertical section of housing on the folder of Bowden drag-lines.
List of numerals
1 installation switchgear
2 housings
3 fore sides
4 reset keys
5 Bowden drag-lines
6 ladle covers
7 tappets
8 housings
9 sections bracing with connective positional
10 power transfers
11 bent beams
12 turn to protrusion
13 manipulate protrusion
14 Bowden drag-line end caps
15 engaging devices
16 adjusting knobs
The upside of 17 housings
The narrow side of 18 housings
19 forming parts, circular contact pin
The contact pin of 20 forming parts, spring
21 insides
22 walls
23 inclined faces
24 other holding meanss
25 grip portion
26 short side legs
27 hinge points
28 protection portion
29 earholes
The side leg of 30 length
31 flexible lever arms
32 inclined control surfaces.
Specific embodiment
Component that is identical in the accompanying drawings or playing phase same-action or component are equipped with identical reference numeral.
Look first at Fig. 1.It shows installation switchgear 1, overload relay 1, with reference to the protection portion 28 of installation at which. Overload relay 1 be in principle known overload relay and with front side, referred herein to fore side 3 housing 2.Scheming The access hole of the spiral terminal to main current loop and auxiliary current circuit is picked out in 1.In addition with known at fore side 3 Mode is equipped with for the adjusting knob of current range and when necessary for discharging the change-over switch of grade and reset key 4.In Fig. 1 Diagram in, the housing 8 that mentioned operating element is caught at housing 2 covers.It is seen in vertical section in the diagram of Fig. 2 See reset key 4, also see adjusting knob 16 in the figure 3 representation.
Be provided at the profile of housing 8 and fore side 3 can mutually take to it is releasably engaged in engaging device 15, from And housing 8 can be pressed from both sides Shangdi and be fixed on the profile of fore side 3.The engaging device being connected with housing 8 is that occlusion refers to 15, It is stretched out at housing, and in its free end carrying biting hook (being not shown).In the wheel of the fore side 3 of housing 2 There are recess or (in figure invisible) is undercut at the corresponding site at exterior feature place.In order to which housing 8 to be pressed from both sides to the fore side 3 to housing 2 On, occlusion with biting hook, which refers to, can take the clamping lock of occlusion to recess or undercutting and connect.
As can be picked out in fig. 2, reset key 4 extends over the profile of fore side 3 and can in order to reset It is pressed into perpendicular to fore side 3.
For remote control reset key 4, manipulated using the Bowden drag-lines 5 as force transmission element.Bowden Drag-line 5 is configured with ladle cover 6 and has the wire-core of tappet 7 and Bowden drag-line end caps at one end in a way known 14。
As finding, Bowden drag-lines 5 are parallel to the fore side 3 of housing 2 in the incoming line to housing 2 in Fig. 1 Profile is stretched with it with smaller spacing.Therefore Bowden drag-lines to the section space-efficient of overload relay 1 is provided to introduce.
Housing 8 covers reset key 4 with its upside 17.At one in its narrow side 18, it is configured with sections bracing with connective positional 9 and is used for The ladle cover 6 of fixed Bowden drag-lines 5.As shown in especially Fig. 3, Bowden drag-lines end cap 14 and housing 8 construct at sections bracing with connective positional 9 There is mutual corresponding forming part 19,20.Bowden drag-lines end cap is to this two circular contact pin 19 of carrying, in the narrow side of housing 8 The line of rabbet joint of the contact pin 20 with the spring stretched into the line of rabbet joint is configured in 18.The two circular contact pin 19 are clampingly cooperated to In the line of rabbet joint, wherein, it stretches into the contact pin in the line of rabbet joint and is cooperated in the gap between the two circular contact pin 19.Bowden drag-lines End cap 14 therefore can be with coordinating clamping lock fixed by profile-shape at sections bracing with connective positional 9 with housing 8.
As in addition picked out in figure, the other holding dress for Bowden drag-lines 5 is molded at housing 8 Put 24.The other holding meanss be formed with stretching arm and installation at which in the form of crack (Klemmschlitz) Grip portion.In crack, the ladle cover 6 of Bowden drag-lines 5 unloads the form of (Zugentlastung) additionally according to pulling force It is clamped and is therefore held in place.
Bowden drag-lines are manipulated, such as by known pressing device device in principle, lead to from separate position Crossing it makes wire-core be moved relative to ladle cover.Here, tappet 7 on arrow direction P (see Fig. 3) by from Bowden drag-lines end cap 14 Middle extrusion.Therefore the profile of fore side 3 that the direction of power that can be applied by tappet 7 is equally parallel to housing 2 stretches.
In order to which the force direction that the profile for making the fore side 3 for being parallel to housing 2 of tappet stretches is turned into perpendicular to housing 2 Fore side 3 is applied to the power on reset key 4, and housing 8 constructs strong transfer 10.Power transfer 10 is configured to spring bullet The bent beam 11 being linked with the inside 21 at the narrow side 18 of housing 8 to property.In its free end, the carrying of bent beam 11 is with enduring The steering protrusion 12 and the manipulation protrusion 13 towards reset key that the movement locus of bar 7 intersects.Manipulate protrusion 13 towards reset The part of button 4 in resting position with reset key 4 separately.At the side towards tappet 7, turn to protrusion 12 carry with The wall 22 of the form arrangement of circular segments.Tappet 7 is reached in the inner cavity of the circular segments formed by wall 22.The structure in circular segments Oblique face 23 is made, such as in the form of spherical crown-part enclosure.When Bowden drag-lines be manipulated and tappet 7 Bowden draw When being extruded at bitter end set 14 from ladle cover 6, tappet 7 is bumped against on oblique face 23.Realize that power turns to, and makes bent beam at oblique face 23 11 are bent downwards, towards the direction of reset key 4, see Fig. 4.
As especially finding, manipulation protrusion 13 are implemented wider, are more wider than reset key 4 in figure 3.Its effective coverage is therefore Cover the extension spatially than the bigger of reset key 4 itself.Reset key 4 can be arranged in the effective coverage for manipulating protrusion 13 At different positions.Thus power transfer according to the present invention makes the widened area of coverage as the adjustment element of centre connection Domain is possibly realized, and the reset key of installation switchgear can be in the overlay area.
As finding, bent beam 11 have the L with long side leg 30 and short side leg 26 according to the first form of implementation in fig. 2 Shape, manipulation protrusion 13 and steering protrusion 12 construct the free end in long side leg 30.Short side leg 26 is hinged at hinge point 27 At the inside 21 of the narrow side 28 of housing 8.Hinge point 27 and the distance of the profile of the fore side 3 of housing 2, which are less than, manipulates protrusion 13 with the distance of the profile of the fore side 3 of housing 2.Thus advantageous lever ratio is provided, so as in the smaller feelings of the movement of tappet 7 Larger pressure can be also applied on reset key 4 under condition.
Observation Figures 5 and 6 now.It shows the second form of implementation of the present invention.The second shown implementation shape in figs. 5 and 6 Formula and shown the first form of implementation in fig. 2 are the flexible of the single armed that approximately longitudinally extends difference lies in, bent beam 11 Lever arm 31.It is hinged at hinge point 27.If not manipulating reset key 4, in the resting position of Bowden drag-lines 5, Lever arm 31, which is tilted upward from hinge point 27s towards tappet 7, to be extended, with about 45 ° of angle in the diagram according to Fig. 5 Degree.The angle on inclined-plane or inclined-plane herein relates to the face of the fore side 3 of housing 2, and 8 mounting board of housing at which, that is, is related to the behaviour of housing 2 Make the profile of side 3.However other angle value may also set up according to existing and desired elasticity and power-displacement-characteristic.
Exist in the free end of flexible lever arm 31 with the steering protrusion 12 for manipulating protrusion 13.Here, it manipulates Protrusion 13 has the inclined control surface 32 towards reset key 4.In the diagram according to Figures 5 and 6, inclined control surface 31 Inclined direction is similar to the inclined direction of lever arm 31, is equally tilted towards upper left.The inclined angle of inclined control surface 32 Degree is the slightly different angle of the inclined angle of lever arm 31 with obliquely stretching herein here, the behaviour about housing 2 The face for making side 3 is slightly more sharp.The inclined angle of the control surface obliquely to stretch, which can especially be measured into, to be caused, if Bowden Drag-line 5 by it is complete manipulate, i.e. bent beam 11 quite down and reset key 4 is pressed into completely, then the behaviour obliquely to stretch Almost level land is on the upside of reset key 4 in vertical face 32.This is shown in FIG. 6.
It is responsible in the inclined control surface 32 of the free end of flexible lever arm 31 by manipulating 5 hand of Bowden drag-lines Power-displacement-characteristic of the progression of the key stroke introduced dynamicly.In this manner, the reset key 4 being pressed into deeply needs smaller behaviour Vertical power.This protection Bowden drag-line 5 leaves the risk of loss of travel from mechanical overload and reducing in steel wire release. Additionally, the inclined-plane 32 at manipulation protrusion 13 contributes to advantageous power-displacement to transmit.
Certainly, in the bent beam such as designed in form of implementation according to fig. 2, manipulation protrusion can also have there inclines Oblique control surface.
Housing 8 is configured to the component integrally implemented with power transfer 10 and sections bracing with connective positional 9, as by thermoplastic material The moulding of composition.
Earhole 29 is also picked out in Fig. 2 and 4-6.It is used to fix transparent cover piece, which optionally can also be in order to It covers operating element to be installed at the fore side 3 of housing 2, but is not shown here.

Claims (8)

1. a kind of installation switchgear (1), carries:Housing (2) at least one fore side (3);With reset key (4), the profile of the fore side (3) is extended over and can be perpendicular to the profile pressure of the fore side (3) in order to reset Enter, wherein, the reset key (4) can utilize the Bowden drag-lines (5) as force transmission element to manipulate, wherein, it is described Bowden drag-lines (5) are configured with ladle cover (6) and have the wire-core of tappet (7) at one end;And it with housing (8), hides Cover the reset key (4) and with for fixing the sections bracing with connective positional (9) of the ladle cover (6) of the Bowden drag-lines (5), it is special Sign is that the Bowden drag-lines (5) are maintained at the sections bracing with connective positional (9) with being parallel to the profile of the housing (2), and And the housing (8) constructs strong transfer (10), being parallel to for the tappet (7) of the Bowden drag-lines (5) is described The power of the profile effect of housing (2), which is turned into perpendicular to the profile of the housing (2), is applied to answering on the reset key (4) Position power, the power transfer (10) with being configured to spring with the bent beam (11) being linked on the inside of the housing (8), Its steering protrusion (12) intersected in the carrying of its free end with the movement locus of the tappet.
2. installation switchgear according to claim 1, which is characterized in that the bent beam is in its free end loading end It is raised (13) to the manipulation of the reset key (4).
3. installation switchgear according to claim 2, which is characterized in that the manipulation protrusion (13) has towards described The inclined control surface (32) of reset key (4).
4. installation switchgear according to claim 1, which is characterized in that in the housing (8) and the fore side (3) Profile at be provided with can mutually take to it is releasably engaged in engaging device (15), so as to by the housing (8) Shangdi can be pressed from both sides to be fixed on the profile of the fore side (3).
5. installation switchgear according to claim 1, which is characterized in that the Bowden cable constructions have Bowden drawings Bitter end set (14), wherein, the Bowden drag-lines end cap (14) and the housing (8) are configured at the sections bracing with connective positional (9) Mutual corresponding forming part, so as to which the Bowden drag-lines end cap (14) can be with the housing (8) in the sections bracing with connective positional (9) Place is with coordinating clamping lock fixed by profile-shape.
6. installation switchgear according to claim 1, which is characterized in that be molded at the housing (8) for institute State the other holding meanss (24) of Bowden drag-lines (5).
7. installation switchgear according to claim 6, which is characterized in that the holding meanss (24) in addition are configured with The arm of stretching and portion is gripped in the form of crack at this, Bowden drag-lines (5) described in the crack The form that is unloaded according to pulling force of ladle cover (6) can additionally block and therefore can be held in place.
8. installation switchgear (1) according to any one of the preceding claims, which is characterized in that the housing (8) with The component that the power transfer (10) and the sections bracing with connective positional (9) are implemented with being configured to single type.
CN201410721425.1A 2013-12-04 2014-12-03 Installation switchgear with reset key Active CN104701041B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102013018152 2013-12-04
DE102013018152.6 2013-12-04
DE102014116015.0 2014-11-04
DE102014116015.0A DE102014116015B4 (en) 2013-12-04 2014-11-04 Installation switching device with a reset button

Publications (2)

Publication Number Publication Date
CN104701041A CN104701041A (en) 2015-06-10
CN104701041B true CN104701041B (en) 2018-06-29

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DE (1) DE102014116015B4 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115041962A (en) * 2022-06-30 2022-09-13 重庆泰美自动化科技有限公司 Intelligent clamping and pressing mechanism for scissor legs
CN115041963B (en) * 2022-06-30 2024-05-03 重庆泰美自动化科技有限公司 Automatic change scissors foot equipment chuck

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DE4134799A1 (en) * 1991-10-22 1993-04-29 Licentia Gmbh Cable actuator for switchgear control units - uses Bowden type cable with covering sheath and steel cable core connecting switch button to striker head
EP0677904A1 (en) * 1994-04-12 1995-10-18 Siemens Aktiengesellschaft Device for signalling the position of a drawer
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CN101882517A (en) * 2009-05-04 2010-11-10 西门子公司 The device that is used for mutual locking of two switches, especially circuit breaker

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DE8434883U1 (en) 1984-11-28 1985-03-21 Siemens AG, 1000 Berlin und 8000 München Cover for the front of an overload relay
DE19615682C2 (en) * 1996-04-22 2001-04-26 H J Bernstein Gmbh Unternehmen Safety switch
US5831229A (en) * 1997-08-15 1998-11-03 Shin Jiuh Corp. Mechanical-type automatic circuit-breaking appliance switch assembly
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Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
DE4134799A1 (en) * 1991-10-22 1993-04-29 Licentia Gmbh Cable actuator for switchgear control units - uses Bowden type cable with covering sheath and steel cable core connecting switch button to striker head
EP0677904A1 (en) * 1994-04-12 1995-10-18 Siemens Aktiengesellschaft Device for signalling the position of a drawer
CN1174448C (en) * 1999-02-08 2004-11-03 施耐德电器工业公司 Equipment with electric switch device and cable interlocking device
CN101685714A (en) * 2008-09-25 2010-03-31 西门子公司 Electric switch
CN101882517A (en) * 2009-05-04 2010-11-10 西门子公司 The device that is used for mutual locking of two switches, especially circuit breaker

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CN104701041A (en) 2015-06-10
DE102014116015A1 (en) 2015-06-11

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