| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 335189000 |
Mechanical linkage
| 49 |
| 335192000 |
With biasing means (open or closed)
| 22 |
| 335187000 |
Unitary with armature
| 14 |
| 335188000 |
Snap-action
| 7 |
| 335193000 |
With vibration-, bounce- or chatter-prevention means
| 6 |
| 335194000 |
With pressure-maintaining or adjusting means | 5 |
| 20130307649 | ELECTROMAGNETIC RELAY - An electromagnetic relay, includes a fixing contact; a movable contact configured to be moved to or from the fixing contact in an approaching and separating direction; a movable part; a driving part configured to drive the movable part; a pressing part configured to press the movable contact based on the driving of the movable part; and a magnetic body provided at an external periphery side of at least one of the fixing contact, the movable contact, and an air space in the approaching and separating direction of the fixing contact and the movable contact. | 11-21-2013 |
| 20090153277 | RELAY WITH OVERTRAVEL ADJUSTMENT - An electromagnetic relay has an overtravel adjustment to set the gap in the contact arrangement. The armature is actuated by a relay coil and linked to a pusher to drive the pusher to operate the contact system. The pusher includes a rotary dial disposed in a slot on the pusher adjacent to the armature. The rotary adjustment increases or decreases a gap of the contacts to provide an over-travel adjustment. The pusher includes bifurcated tines defining the slot for receiving an armature linkage and the rotary adjustment. The rotary adjustment includes a head and a post depending from the head. The post is disposed within the slot and the head portion in contact with the armature linkage portion. The rotary adjustment sets the distance between the forward edge and the armature to achieve the desired overtravel for the contact arrangement. | 06-18-2009 |
| 20130342293 | CONTACT DEVICE - Provided is a contact device in which all of three movable contacts can be securely brought into contact with fixed contacts. The contact device includes a fixed terminal | 12-26-2013 |
| 20150061797 | ELECTRONIC CONTACTOR - Disclosed is an electronic contactor including: a lower body; a magnetic force generator disposed within the lower body and magnetized by electric power transferred from outside to perform suctioning operation; a crossbar coupled to an upper portion of the magnetic force generator and provided with a movable contact to be lifted or lowered; a pair of separable upper bodies each being provided at one side thereof with a stationary contact and an auxiliary stationary contact and respectively coupled to upper opposite ends of the lower body such that the movable contact and auxiliary movable contacts are placed therein, facing ends of the upper bodies being coupled to each other inside the upper bodies so as to face each other; | 03-05-2015 |
| 20160093459 | AUXILIARY CONTACT MECHANISM OF ELECTROMAGNETIC CONTACTOR - The present invention relates to an auxiliary contact mechanism of an electromagnetic contactor, and more particularly, to an auxiliary contact mechanism of an electromagnetic contactor capable of maximizing a time duration for which power is supplied to a magnetic coil for switching a main contact until the main contact is closed. The auxiliary contact mechanism of an electromagnetic contactor, includes: a case formed to have a box shape; an auxiliary sliding member installed above the case, and moving up and down by receiving a pressure from a main contact sliding member; an elastic member accommodated in an insertion groove formed in the auxiliary sliding member; a pressing member insertion-installed below the auxiliary sliding member, and moving up and down by an elastic force of the elastic member; and a micro switch turned on/off by the pressing member. | 03-31-2016 |
| 335186000 |
Plural or combined (e.g., manual with other) | 3 |
| 20100052829 | CIRCUIT BREAKER CLOSING ACTUATOR AND METHOD OF OPERATION - A circuit breaker closing actuator and a method of operation is provided. The closing actuator is disposed to communicate and receive signals from a trip unit. The trip unit includes a communications to transmit and receive data and signals from a remote location. The trip unit transmits a signal to the closing actuator in response to receiving a closing signal from the remote location. The closing actuator validates the signal and activates a driving circuit if the signal is validated. The driving circuit enables power to a solenoid that closes the circuit breaker. | 03-04-2010 |
| 20100117770 | BUTTON SYSTEM FOR INDUSTRIAL AC/DC RELAYS - A button system for industrial AC/DC relays comprising a casing ( | 05-13-2010 |
| 20110221549 | CONTACT SWITCH STRUCTURE AND ELECTROMAGNETIC RELAY - A contact switch structure has a touch piece, a movable contact disposed on the touch piece, a fixed contact disposed opposite the movable contact, and a guide unit that is provided in a side region with respect to an operating range of the movable touch piece to control an air flow. The movable contact is opened and closed with respect to the fixed contact by operating the movable touch piece. | 09-15-2011 |
| Entries |
| Document | Title | Date |
|---|
| 20090072934 | Electromagnetic actuator and switch apparatus equipped with such an electromagnetic actuator - An actuator comprising:
| 03-19-2009 |
| 20090251237 | ELECTROMAGNETIC DRIVE UNIT AND AN ELECTROMECHANICAL SWITCHING DEVICE - An electromechanical switching device, especially a contactor or a multifunctional device including a contactor, includes at least one stationary contact piece, at least one movable contact piece movable to and from the at least one stationary contact piece for opening or closing a current path and an electromagnetic drive unit including a yoke and a coil and a movable armature. In at least one embodiment, the electromagnetic drive unit is adapted to displace the movable contact piece in response to a voltage applied to the coil. The at least one movable contact piece and the at least one stationary contact piece are adapted to limit movement of the armature after activation of the electromagnetic drive unit. | 10-08-2009 |
| 20090284334 | ELECTROMAGNETICALLY OPERATED SWITCHING DEVICE - A switching contact, an electromagnetically operated electromagnet for driving the switching contact, and a drive power source device for driving the electromagnetically operated electromagnet. The electromagnetically operated electromagnet includes a movable core coupled to a movable contact of the switching contact, a fixed core located in a peripheral portion of the movable core, and coils wound around the movable core and the fixed core. Currents are supplied to the coils to drive the movable core. Capacitors store charges for supplying the current to the coils. Resistors are arranged in series with a path through which the capacitors are connected with the coils of the electromagnetically operated electromagnet and through which a current for closing operation flows. Capacitances of the capacitors and values of the resistors are controlled to adjust a supplied current characteristic to the electromagnetically operated electromagnet. | 11-19-2009 |
| 20090315653 | Electromagnet device and electromagnetic contactor - A core for an electromagnetic device includes a yoke and at least two legs extending from the yoke. The yoke and at least two legs are formed of steel plates laminated together. Each of the legs has a free end face forming a magnetic pole face, a first groove extending from the magnetic pole face and a second magnetic groove on a side face thereof. Also, the core includes a shading coil having a metal ring shape, and including a first linear section and a second linear section extending in parallel with each other. A part of the first linear section is accommodated in the first groove, and a part of the second linear section is accommodated in the second groove and locked therein. A bottom face of the second groove forms an angle with respect to a bottom face of the first groove. | 12-24-2009 |
| 20100102905 | ELECTROMAGNETIC SWITCH FOR STARTER - There is provided an electromagnetic switch, for a starter, that is capable of preventing a defect caused by the formation of a leakage circuit between the battery terminal and the motor terminal, even in the case where the electromagnetic switch is flooded with water. On the outer surface of a switch cap, there is provided a diaphragm disposed between the battery terminal and the motor terminal that are arranged in such a way as to be exposed outside the switch cap; the diaphragm is formed in such a way that a wall face thereof that faces one terminal, out of the battery terminal and the motor terminal, which is disposed upper than the other terminal has a protrusive shape. | 04-29-2010 |
| 20100141364 | ELECTROMAGNET FOR AN ELECTRICAL CONTACTOR - An electrical contactor includes a moveable core member having a first moveable core surface and a second movable core surface. The second moveable core surface is angled relative to the first moveable core surface. A stationary core member is mounted relative to the moveable core member. The stationary core member includes a pole arm having a first stationary core surface and a second stationary core surface. The second stationary core surface is angled relative to the first stationary core surface. In response to a magnetic field traversing a path defined by the stationary core member and the moveable core member, the first stationary core surface is magnetically biased to mate with the first moveable core surface and the second stationary core surface is magnetically biased to mate with the second moveable core surface to bring into contact an electrical contact member and an electrical contact element. | 06-10-2010 |
| 20100245002 | Electromagnetic contractor - An electromagnetic contactor has a stationary core; a coil arranged around the stationary core; a movable holder movable toward the stationary core; a movable core coupled to one end of the movable holder for being attracted to the stationary core by the excitation of the coil; and a nonmagnetic structural component arranged on the movable core facing the stationary core. The nonmagnetic structural component is a flat plate structural component with high flexural rigidity, overlaid on the surface of the movable core to face the stationary core. The nonmagnetic structural component and the movable core are held between a cushioning spring and a coupling pin. The cushioning spring is contained in the movable holder and buts the back face of the movable core not facing the stationary core. The coupling pin crosses the nonmagnetic structural component with both ends engaged with a pair of holder legs. | 09-30-2010 |
| 20100301975 | DEVICE AND SYSTEM FOR BYPASSING A POWER CELL OF A POWER SUPPLY - A bypass device for bypassing a power cell of a multi-cell device. The bypass device includes a stationary portion of a first set of contacts connected to at least first and second output terminals of a power cell, a magnetically latching solenoid that, when energized, moves a moving portion of the first set of contacts from a first position to a second position or from the second position to the first position, and at least one added insulating material positioned between the solenoid and the first set of contacts, and configured to allow a voltage between the magnetically latching solenoid and the first and second output terminals of the power cell to exceed a voltage between said output terminals. | 12-02-2010 |
| 20110115586 | ELECTROMAGNETIC RELAY - An electromagnetic relay, includes a fixing contact; a movable contact configured to be moved to or from the fixing contact in an approaching and separating direction; a movable part; a driving part configured to drive the movable part; a pressing part configured to press the movable contact based on the driving of the movable part; and a magnetic body provided at an external periphery side of at least one of the fixing contact, the movable contact, and an air space in the approaching and separating direction of the fixing contact and the movable contact. | 05-19-2011 |
| 20110140814 | Miniaturized Switch Device - The present invention provides a switch suitable for efficient microfabrication. The switch elements are disposed in several layers. Various embodiments provide various switching capabilities and operational characteristics. The switches can be protected by suitable packaging, and can be efficiently fabricated in groups or arrays. | 06-16-2011 |
| 20110221548 | SEALED CONTACT DEVICE - A sealed contact device has a plate-like yoke having a center hole therein, a closed-ended cylinder having an opening edge portion that is integrated with a lower-surface edge portion of the center hole of the plate-like yoke to form a sealed space, an annular flange having an outer peripheral edge portion that is integrally welded to an upper surface of the plate-like yoke, a ceramic case having a lower end surface that is brazed to an upper surface of the annular flange, an electromagnetic unit disposed in an outer periphery of the closed-ended cylinder, a movable iron core that reciprocates in the closed-ended cylinder based on excitation and demagnetization of the electromagnetic unit, a movable shaft having a first end fixed to the movable iron core, a movable contact of a movable touch piece fixed to a second end of the movable shaft, a fixed contact disposed in the ceramic case, and an annular rib projected in the upper surface of the annular flange such that the brazed portion provided in the lower end surface of the ceramic case is covered from an inside with the annular rib. The movable contact is brought into contact with and separated from the fixed contact by reciprocating the movable shaft. | 09-15-2011 |
| 20120056701 | ELECTROMAGNETIC CONTACT DEVICE - An electromagnetic contact device has a contactor holder ( | 03-08-2012 |
| 20120092095 | ELECTROMAGNETIC SWITCHING DEVICE - An electromagnetic switching device including: a housing; fixed contacts disposed in the housing; a movable contact which is brought into contact with the fixed contacts and separated from the fixed contacts; and a driving unit disposed at one side of the housing and driving the movable contact, wherein the fixed contacts are disposed to be perpendicular to a direction in which the movable contact moves. Thus, noise generation can be suppressed and external size can be reduced. | 04-19-2012 |
| 20120092096 | ELECTROMAGNETIC SWITCHING DEVICE - An electromagnetic switching device includes: a housing; first contacts coupled to the housing; a second contact which is brought into contact with the first contacts and separated from the first contacts; and an actuator for driving the second contact such that the second contact is brought into contact with the first contacts and separated from the first contacts, wherein any one of the first contacts and the second contact includes an elastic deformation portion elastically deformed when the first contacts and the second contact are brought into contact. Vibration and noise generated when contacts are brought into contact can be suppressed. | 04-19-2012 |
| 20120105179 | ELECTROMAGNETIC SWITCH - An electromagnetic switch includes an electromagnetic coil, a fixed core, a movable core, and a diode. The electromagnetic coil is configured to form an electromagnet when energized. The fixed core is arranged to be magnetized by the electromagnet. The movable core is arranged to be attracted by the magnetized fixed core to move in a movement direction toward the fixed core. The diode is electrically connected in parallel with the electromagnetic coil. The diode includes a main body and has a pair of leads respectively extending from a pair of ends of the main body which are opposite to each other in a lead arrangement direction of the diode. The lead arrangement direction of the diode is parallel to the movement direction of the movable contact. | 05-03-2012 |
| 20120126917 | Power Switch Having Integrated Trigger And Drive Unit - A power switch includes switch contacts that are opened via a switch shaft, which, when the switch is triggered, is actuated by way of the trigger slider of a trigger unit, in particular a working current trigger unit. The trigger slider moves the switch shaft by way of the trigger shaft of a switch latch, the trigger unit including electric coil into which an armature extends that is drawn into the coil by electromagnetic forces of attraction when the switch is triggered. A stationary counter armature is disposed in the coil, which counter armature serves as a stop for the armature, so as to increase the forces of attraction. The movement of the armature is transmitted by way of a mechanism to the movement of the trigger slider so as to increase the displacement path of the trigger slider. | 05-24-2012 |
| 20120139672 | ELECTROMAGNETIC CONTACT DEVICE - An extinction cover ( | 06-07-2012 |
| 20120242431 | ELECTROMAGNETIC SWITCH INCORPORATING CONTACT DISPLACEMENT LIMITING MEMBERS FOR PREVENTING UNRELIABLE OPERATION CAUSED BY WEAR OF SWITCH CONTACTS - In an electromagnetic switch, current flow through a coil causes a plunger to be axially displaced by magnetic attraction, against a restoring force of a return spring, thereby axially displacing a movable contact against fixed contacts and so enabling current flow via the contacts. One or more contact displacement limiting members are disposed on the opposite side of the fixed contacts from the movable contact, for limiting the extent to which the movable contact can be axially displaced when the fixed contacts have become worn by repetitive switching operations. A condition in which the movable contact cannot be restored to a “contacts open” position is thereby prevented. | 09-27-2012 |
| 20120293284 | ELECTROMAGNETIC SWITCH - An electromagnetic switch operative to close and open an electrical contact arrangement to thereby turn on and off an electrical current flowing through an electrical circuit. A movable iron core includes a shaft insertion hole that extends in an axial direction of the movable iron core and has an opening in an end face of the movable iron core axially opposing a movable contact of the electrical contact arrangement. The hole includes a step disposed at a position along the depth, a shaft fixture section on a bottom side of the step, and a shaft guide section on an opening side of the step. An inside diameter of the shaft fixture section is smaller than an inside diameter of the shaft guide section. One axial end side portion of the shaft is press fit in the shaft fixture section. | 11-22-2012 |
| 20120306602 | MINIATURIZED SWITCH DEVICE - The present invention provides a switch suitable for efficient microfabric. The switch elements are disposed in several layers. Various embodiments provide various switching capabilities and operational characteristics. The switches can be protected by suitable packaging, and can be efficiently fabricated in groups or arrays. | 12-06-2012 |
| 20120313737 | ELECTROMAGNETIC RELAY AND METHOD OF MANUFACTURING THE SAME - A disclosed electromagnetic relay includes a fixed contact, a movable contact provided in a movable contact spring, an electric magnet causing the movable contact to contact the fixed contact by applying force via an arming unit, a magnet generating a magnetic field between the fixed contact and the movable contact, and yokes made of a magnetic material, wherein the yokes are arranged in parallel to interpose the fixed contact and the movable contact between the yokes and to apply the magnetic field generated by the magnet to an area where the fixed contact and the movable contact exist, and insulating portions are provided on inner surfaces of the yokes facing the fixed contact and the movable contact, respectively. | 12-13-2012 |
| 20120319806 | THERMALLY MANAGED ELECTROMAGNETIC SWITCHING DEVICE - A thermally managed electromagnetic switching device ( | 12-20-2012 |
| 20120326815 | ELECTROMAGNETIC SWITCH - An electromagnetic switch has a contact device having a pair of fixed contacts fixed thereof and maintaining a predetermined interval inside an arc-extinguishing chamber receptacle, and a movable contact disposed to be connectable with the pair of fixed contacts; and an electromagnetic device driving the movable contact. The electromagnetic device has a cylindrical exciting coil, a fixed core passing through center of the exciting coil, a magnetic yoke covering an outer side of the exciting coil, and a movable core facing the fixed core and the magnetic yoke, and armature surfaces of the fixed core and the magnetic yoke are formed on a side of the contact device than the exciting coil. | 12-27-2012 |
| 20130033345 | Relay, Control Circuit, and Method for Controlling Control Circuit - The relay (KM) has at least first and second contact points (a | 02-07-2013 |
| 20130106542 | CONTACT SWITCHING DEVICE | 05-02-2013 |
| 20140002216 | MINI HIGH-POWER MAGNETIC LATCHING RELAY | 01-02-2014 |
| 20140062626 | ELECTROMAGNETIC RELAY - An electromagnetic relay including an electromagnet, a movable contact actuated by the electromagnet, and a fixed contact disposed opposite to the movable contact and capable of contacting and separating from the movable contact. The electromagnetic relay further includes a backstop for stopping movement of the movable contact in a direction separating from the fixed contact, and a backstop positioner for setting the backstop at a position for defining a predetermined contact gap between the fixed contact and the movable contact. In a state where movement of the movable contact is stopped by the backstop, different-sized contact gaps are defined between the fixed contact and the movable contact, depending on the position of the backstop set by the backstop positioner. | 03-06-2014 |
| 20140077907 | TOOL AND METHOD FOR SWITCHING AN ELECTROMAGNETIC RELAY - A tool and method for switching an electromagnetic relay may be provided, whereby the tool comprises a switching member capable of moving between a first position and a second position along a path oriented to the relay; wherein movement of the switching member from the first position to the second position is capable of switching a switch state of the electromagnetic relay via a magnetic force exerted by the switching member. | 03-20-2014 |
| 20140145805 | RELAY - A relay includes: a fixed terminal on which a fixed contact is provided; a movable terminal on which a movable contact is provided; a cam that has an elliptical circumference shape, and is rotatable while a portion of the circumference shape is contacting a surface of the movable terminal; and a driving unit that rotates the cam so that respective portions located at one ends of a major axis and a minor axis of the elliptical circumference shape alternately contact the surface of the movable terminal; wherein when the portion located at one end of the major axis of the elliptical circumference shape of the cam contacts the surface of the movable terminal, the movable terminal is deformed elastically so that the movable contact contacts the fixed contact. | 05-29-2014 |
| 20140152406 | Integrated Microminiature Relay - A micro-relay that overcomes some of the limitations and drawbacks of the prior art is disclosed. The micro-relay comprising: (1) a first substrate comprising one or more monolithically integrated planar coils for generating a magnetic field; and (2) a second substrate comprising a magnetically actuated switch having a moving contact that selectively moves in a plane parallel to its substrate. The first and second substrate are aligned and bonded to collectively provide a closed magnetic circuit that efficiently channels the generated magnetic field through the switch. | 06-05-2014 |
| 20150054607 | Electrical Circuit Switch - An electrical circuit switch including: a first movable element configured for being movable by a force applied to the first movable element, the force having a direction parallel to a first axis; and a second movable element including a movable contact and being configured for, by means of the force, moving the movable contact in parallel to a second axis between an open and a closed position, corresponding to the switch opening or closing an electrical circuit. The first axis forms an angle to the second axis and the first movable element and the second movable element are pivotally arranged to each other in a first joint. | 02-26-2015 |
| 20150318133 | MODULAR ELECTRICAL SWITCH DEVICE COMPRISING AT LEAST ONE UNIPOLAR CUT-OFF UNIT AND A SWITCH ASSEMBLY COMPRISING SUCH DEVICES - A modular electrical switch device including: a cut-off unit including unitary cut-off units; an actuating unit including an actuating module of the unitary cut-off units; a removable electrical control module including an adaptive connection mechanism configured to interconnect with an actuating coil of an electromagnetic actuator when the removable module is positioned on the actuating module; a quick attachment mechanism allowing the removable attachment of the actuating unit onto the cut-off unit and including a coupling hook configured to attach and hold the cut-off unit to the actuating unit, and to engage with an actuating device of a unitary cut-off unit. | 11-05-2015 |
| 20150371800 | ELECTROMAGNETIC RELAY - An electromagnetic relay, in particular a motor vehicle relay, contains a magnet yoke, a relay coil, a hinged armature which is pivotable about an axis of rotation and on which a moving contact, as working or switchover contact, is retained relative to at least one fixed contact. A piezo actuator is provided, which keeps the working or switchover contact closed when the relay coil is de-energized as a result of the actuation of the piezo actuator. | 12-24-2015 |
| 20160012995 | MAGNETIC SWITCH | 01-14-2016 |
| 20160093457 | ACTUATOR FOR CIRCUIT BREAKER AND METHOD FOR MANUFACTURING THE SAME - The present disclosure may fix the second yoke without using an upper cover and a lower cover, thereby having an effect of simplifying the entire structure, and reducing the fabrication cost, and decreasing the fabrication time. | 03-31-2016 |
| 20190148095 | CONTACT SWITCHING DEVICE AND ELECTROMAGNETIC RELAY USING SAME | 05-16-2019 |
| 20190148096 | Double Breaker Switch | 05-16-2019 |
