Abstract: A latching mechanism includes an engaging member made of magnetically conductive material and a magnetic assembly. The magnetic assembly includes a magnetic member and two fixing members made of magnetically conductive material. The magnetic member is capable of contacting the fixing member to magnetize the fixing member to attract the engaging member, and capable of being detached from the at least one fixing member with the magnetic field being shielded by the at least one fixing member to release the engaging member. The present disclosure further provides an electronic device using the latching mechanism.

Abstract: A sensor assembly for generating a request to exit (REX) signal for a door lockset operable with a latch operator and a controller that can signal an alarm. In one embodiment, the sensor assembly includes a mounting member adapted to be in a fixed position in the door lockset, a rotatable member adapted to rotate in response to rotation of the latch operator, and a sensor mounted to the mounting member. The sensor is spaced from the rotatable member and is configured to detect rotation of the rotatable member. When the rotatable member is rotated corresponding to rotation of the latch operator, the sensor detects the rotation, and a switch in the sensor, which may be magnetic, is actuated, closing a circuit to send a REX signal to the controller. The sensor assembly may be associated with a chassis of the door lockset.

Abstract: An exemplary locking or coupling device includes a plurality of magnets each having a direction of magnetization. A plurality of pole shoe members are positioned between selected ones of the magnets. A moveable support supports some of the magnets and some of the pole shoe members. The moveable support is moveable to selectively change a relative orientation of the directions of magnetization. One relative orientation primarily directs a flow of magnetic flux between the magnets through the pole shoe members and the magnetic flux remains essentially in a plane containing the magnets and the pole shoe members. A second, different relative orientation primarily directs the flow of magnetic flux from the pole shoe members in a transverse direction away from the plane.

Abstract: A magnetic attachment mechanism and method is described. The magnetic attachment mechanism can be used to releasably attach at least two objects together in a preferred configuration without fasteners and without external intervention. The magnetic attachment mechanism can be used to releasably attach an accessory device to an electronic device. The accessory device can be used to augment the functionality of usefulness of the electronic device.

Abstract: A system for securing and releasing doors includes at least two electromagnetic latches and a controller. Each of the electromagnetic latches includes a coil configured to be energized by a power signal to create a magnetic field. The controller switches the power signal between the electromagnetic latches so that the power signal is supplied to the electromagnetic latches one at a time. The electromagnetic latches may be electromagnetic door holders, electromagnetic door locks, or any combination of the two.

Abstract: Partition systems comprise a first post member attached to a foldable partition, a securing mechanism attached to the first post member and comprising at least one permanent magnet switch configured to selectively apply a significant attractive magnetic force, and at least another post member comprising a material responsive to the applied significant attractive magnetic force of the at least one permanent magnet switch. Methods of securing a partition system comprise bringing a first post member of a foldable partition proximate at least another post member; and manipulating at least one permanent magnet switch attached to the first post member to selectively apply a significant attractive magnetic force to the at least another post member.

Abstract: A vehicle stowage assembly is provided that includes a compartment having an opening to allow access to the opening and a door proximate the opening. A ferrous member magnets are disposed on the compartment and the door to magnetically couple the magnets to the ferrous member when the door is in the closed position. A crash sensor is provided for detecting an expected vehicle crash event. An electromagnetic coil electromagnetically is coupled to the ferrous member, wherein the coil is electrically energized by current to create a polarity on the ferrous bar to create an increased force closure to the door relative to the housing when an expected vehicle crash is detected. The coil generates an opposite polarity on the ferrous member to open the door in response to a user actuated input.

Abstract: A prosthetic assembly for a residual limb that includes a sleeve for attachment to a distal portion of the residual limb, where the attachment member has a diametrically oriented magnetic field, and a prosthesis with a socket for receiving the sleeve, where the prosthesis socket has a distal end with an attachment member having a corresponding diametrically oriented magnetic field. The diametrically oriented magnetic fields of the sleeve and prosthetic attachment members may be oriented on the prosthesis and the residual limb to achieve a predetermined rotational orientation between the prosthesis and the residual limb and will facilitate removal of the prosthesis with a twisting action.

Abstract: A magnetic lock (20) has at least one catch (36) having a lock plate (53). At least one first magnet (44) is arranged on the catch (36). The catch (36) can move back and forth between a locked position and unlocked position such that, when in unlocked position, the lock plate (53) at least partially closes a locating hole (26) for a shaft (22). Furthermore, a second magnet (48) is provided in the magnetic lock (20) that pulls the first magnet (44)—and the catch (36) along with it—into locked position.

Abstract: A safety lock mechanism is provided that facilitates accurate and consistent alignment between a locking bolt and a locking receptacle prior to engaging the locking bolt. To this end, a safety lock configured to mount to a door frame is provided with an internally disposed hard stop that protects the electrical and mechanical components within the safety lock housing from door impact shock. An extended portion of the hard stop protrudes through the housing facing the direction of door travel. A corresponding receptacle assembly configured to mount to the door is fabricated to include a bolt receptacle hole as well as an open window that engages with the extended portion of the hard stop when the door is in the closed position. When the window in the receptacle is engaged with the extended portion of the hard stop, door movement is limited in five directions even when the locking bolt is not yet engaged.

Abstract: A latch assembly for use with a window sash sliding mounted with a window frame. The latch includes at least one bolt (18) moveable in a body (10) between a retracted position and a projecting position. In the projecting position the bolt 18 is engageable in cavity in a strike (12). A connecting mechanism in the form of cranks (20) couple the bolt 18 to an operating member (14), which is part of latch furniture (11). A magnetic actuating element (29) and a biasing element (33) are coupled to the bolt (18) whereby when the latch body (10) is disposed relative to a strike (12) in a position where the bolt (18) can engage with the strike (12) a magnetic attraction between a magnetic part (26) of the strike and the magnetic actuating element (29) occurs to draw the bolt (18) into latching engagement with the strike (12).

Abstract: The invention relates to a band for electromagnetic suction cups, comprising a tubular profile section (2) having two wings (3-4), one of which is provided with an auxiliary attachment wing (6) extending parallel to the lower surface (5) of the profile section, the opposite surface (12) of which has a second auxiliary wing (13), which forms a handle and which extends above the attachment wing (6) which has a semicircular groove (7) with a swaged opening into which the edge of a screw cover can be slidingly inserted, wherein the other edge of the screw cover comprises a groove, the profile of which enables the same to engage with a rim (11) of the band by snap-fitting, characterized in that the free edge of the handle (13) has a rim (14) similar to the above-mentioned one (11).

Abstract: A hearing aid includes a housing, a battery door configured to receive a battery, and a battery door locking mechanism. The battery door locking mechanism includes a magnetic element configured to magnetically lock or unlock the battery door. In order to open the battery door, an external actuator having a magnetic device is brought close to the hearing aid and the battery door locking mechanism of the hearing aid is actuated magnetically. A method for operating the battery door locking mechanism is also provided.

Abstract: A magnetic doorstop including a first section consisting of a magnet secured into the door and a second section consisting of a magnet secured with a retaining shim mounted on the front side of the stop arm. The first section is attached to an interior door and the second section is attached to the frontal stop arm section. When the frontal arm section is raised, the two magnetic sections meet holding the stop arm up, once the stop arm is lowered, away from the second magnetic section, the arm will drop to the floor, stopping the door from closing.

Abstract: A magnetic attachment mechanism and method is described. The magnetic attachment mechanism can be used to releasably attach at least two objects together in a preferred configuration without fasteners and without external intervention. The magnetic attachment mechanism can be used to releasably attach an accessory device to an electronic device. The accessory device can be used to augment the functionality of usefulness of the electronic device.

Abstract: The present invention provides a sliding door opening/closing device for a vehicle that applies a sufficient opening/closing drive force to the left and right sliding doors and reduces a force necessary to lock and unlock the latch, despite a simple configuration of the device, and that facilitates the manufacturing process, improves operability and safety, and reduces noise. A lock device, against both sides of which locking portions abut, rotates a columnar permanent magnet so as to form magnetic locking circuits and fixes the locking portions by magnetic forces of the locking magnetic circuits. The rotational operation of the columnar permanent magnet is converted into the downward operation of a latch, and the lowered latch restrains the locking portions with respect to the lock device.

Abstract: The latch assembly has a bracket that is mounted to the side of a door and a magnetic latch that is pivotally mounted on the bracket. The latch is pivotal on a protrusion on the bracket and is held in place by a bolt passing through a washer and the bracket into the door. A second smaller protrusion on the bracket is received in an identical opening in the latch that limits the degree of pivoting of the latch relative to the bracket. Upon opening of the door, the latch is gradually “peeled” away from the magnet, i.e., pivots relative to the magnet creating a gap therebetween to reduce the pulling force necessary to open the door.

Abstract: An unlocking device for actuating a control device in the locked condition to release it. The unlocking device has an actuating magnet guided in a coil base and/or in housing elements (28) of the actuating magnet and has an actuating element that can be displaced and that releases, in an actuation position, an unlocking path for a control unit has a locking element (30). The locking element, when unlocked by the actuating element via the control unit, releases the trajectory for the control device to be actuated. The locking device (30) is guided in the housing element (28) of the actuating magnet and prevents the control device from being unintentionally locked again by maintaining it in the unlocked position by a blocking part (48). The unlocked position corresponds to a release of the control device.

Abstract: An electronic device includes a body, a cover, and a switching assembly. The body defines two first openings. The cover defines two second openings facing the two first openings. The switching assembly includes a locking assembly received in the body and a latching assembly received in the cover. The locking assembly includes a handle, two guiding members, and two magnetic members received in the corresponding guiding members. The handle is for impelling the guiding members to move. The latching assembly includes two latching members. Each latching member has a latching end for being attracted by one of the magnetic members. When the cover covers the body, each latching end protrudes through the corresponding second and first openings and is caught by the magnetic members. When the handle is pressed, the handle drives the two guiding members to move to impel the two magnetic members away from the corresponding latching ends.

Abstract: An electro-magnetic mechanism comprises a spring-operated rod (1) having a recess (1a) and a latching member (2) engageable in the recess to block motion of the rod. A release member (4) retains the latching member engaged in the recess (1a) in a first position of the release member and allows the latching member to be disengaged from the recess in a second position of the release member (4). A magnet (5) retains the release member in the first position and the mechanism includes an element such as a spring (7) for urging the release member (4) to the second position. A coil (8) is arranged to demagnetize the magnet (5) at least such that the release member moves to the second position, the latching member (2) is disengaged from the recess (1a) and the rod (1) moves axially by spring force.

Abstract: Door stop assemblies are disclosed, which generally include a door stop that includes a stem portion, a distal side that includes a first magnetic element, and a proximal side. The door stop further includes at least one hinge located between the distal side and proximal side thereof. In addition, the assemblies further include a door stop receiving element that is equipped with a spring and a second magnetic element that is magnetically attracted to the first magnetic element.

Abstract: A closure device for connecting two parts includes a first connecting module and a second connecting module. The first connecting module can be arranged on the second connecting module in a closing direction and is mechanically latched with the second connecting module in a closed position. The device also includes magnetic means which cause a magnetic attraction force between the first connecting module and the second connecting module to support the transfer of the first connecting module into the closed position. The first connecting module can be released from the second connecting module by means of a movement of the first connecting module or a part of the first connecting module in an opening direction that differs from the closing direction. The magnetic means counteract a movement of the first connecting module in the opening direction.

Abstract: Systems, methods, and devices that efficiently stop and latch a door are presented. A first bracket component is attached to a door frame and has an overhang portion, comprising a holder component, that extends into the doorway to act as a door stop. A second bracket component, comprising an extended portion, is desirably adjusted in position in relation to the holder component and attached to the door such that the extended portion has a desired amount of overlap on the holder component, wherein the amount of overlap corresponds to an amount of latching force in accordance with the force profile associated with the extended portion based at least in part on shape of the extended portion. An operation device is attached to the first bracket component and/or second bracket component and the door latching holds the door in the desired position to facilitate operations of the operation component.

Abstract: Embodiments of the present invention include door-securing latches that allow an occupant of a room or other space accessed through a door to secure the door, from inside the room or other space, in order to prevent entry or access by others. Embodiments of the present invention provide a mechanically strong and secure latch that cannot be easily broken or compromised by application of force to the door or by insertion of a tool or device between the door and an adjacent door frame to disable the latch, but that can be disabled by a knowledgeable individual, such as an apartment manger seeking to rescue a disabled apartment occupant in an emergency situation.

Abstract: An unlocking device for a control device (10) includes an actuating magnet (12) in a coil base (14) and/or in housing elements of the actuating magnet. An actuating element (16) can be displaced along a first axis (20) and releases, in an actuation position, a swivel path (22) for a control unit (24) arranged to swivel about a second axis (26). The control unit (24) has a locking element (30) which, when unlocked by the actuating element (16) via the control element (24), releases the trajectory (32) for the control device (10) to be actuated. The unlocking device also has a swiveling lever (34) guided in a housing part (28) to swivel. The second axis (26) is parallel to the first axis (20). The swiveling lever (34), at its free end and when the actuating magnet (12) is not actuated, contacts the actuating element (16). The locking element (30) is disposed on the other end of the swiveling lever (34) and maintains the control device (10) in the locked position.

Abstract: A profiled section includes a first surface and a second surface, such that the second surface has an opening to at least partially receive an element of a locking member. The wing is structured and arranged parallel to the second surface. Further, an element is coupled to the first and second surfaces and to the wing. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Abstract: An electronic device includes an upper cover, bottom cover and locking mechanism to connect the upper cover to the bottom cover. The locking mechanism includes a plurality of protrusions formed on an inner surface of the bottom cover, elastic members and a blade. The blade is slidably mounted on the upper cover and capable of being attracted by an external magnetic member. The blade is formed with hooks. Each protrusion defines a notch. The hooks are urged by the elastic members to be received in the notch and connect the upper cover to the bottom cover. The hooks are capable of moving out of the notches by the force of the external magnetic member, allowing the upper cover to detach from the bottom cover. A locking mechanism configured for connecting an upper cover to a bottom cover is also provided.

Abstract: A gate for selectively restricting passage through a passageway includes a frame having a sill and first and second door jambs adapted for mounting within the passageway. A door is mounted by hinges to the first door jamb while a latch receptacle is mounted to the second door jamb. A pedal is movably mounted to the door as is a latch element. The latch element is slidable between an extended position, where the latch element engages the latch receptacle so that the door of the gate is locked in a closed position, and a retracted position, where the latch element is removed from the latch receptacle so that the door may be moved into an open position. A sliding linkage is connected between the pedal and the latch element so that the latch element is moved into the retracted position when the pedal is actuated. A magnet is positioned in the latch element and in the latch receptacle so as to pull the latch element into the extended position when the latch element is not engaged by the sliding linkage.

Abstract: An apparatus, system, and method for locking objects together comprises at least one pair of correlated magnets. First and second correlated magnetic field structures comprising the pair of correlated magnets are capable of being aligned such that an attractive force secures or locks two objects together. The apparatus, system, and method can be used to lock appliance and cabinet doors, drawers, covers for electrical outlets and light switches, and the like.

Abstract: Systems and apparatuses for a magnetically actuable locking mechanism and a security device having a magnetically actuable locking mechanism are disclosed.

Abstract: The invention relates to a universally applicable detachable magnet holder with a fixed magnet and an opposite-lying magnet which can rotate about a point of rotation and which is provided with magnet pole surfaces, wherein each magnet pole surface comprises at least two poles which, when closed, attract each other and which, when open, repel each other once the rotatable magnet has been rotated by means of an actuation device. According to the invention, a distance element (7), made of a non-ferromagnetic material, is fixed to one of the magnet pole surfaces, whereby the bearing surface on the opposite magnet pole surface is a maximum ? of the surface and a centering engaging device (10a, 10b; 11) is arranged in the vicinity of the magnet poles in order to receive magnetic sheer forces.

Abstract: A latching device and an electronic device using the latching device are provided. The latching device is for fastening a cover assembly of the electronic device to a base assembly. The latching device includes a sliding member movably mounted in the cover assembly, a magnet fixed in the sliding member, and a hooking member pivotally fixing on the base assembly. The hooking member is made up of magnetic material. When the cover assembly is rotated to cover the base assembly, the hooking member is attracted by the magnet and hooks onto the cover assembly. When the sliding member slides, the sliding member pushes the hooking member to disengage from the cover assembly.

Abstract: A lock device includes a first mounting unit, an operating member, a first and second actuating member, a magnet member and a latch member. The first mounting unit includes a main portion and two flanges bent from the first main portion. Each flange defines a notch. The operating member is configured for moving relative to the first mounting unit in a direction. The first and second actuating members are configured for respectively moving toward and proximate to one notch. The latch member is configured for being pivotable between a locking position and an unlocking position. In the locking position, the latch member is attracted by the magnet member and protrudes into one notch with engaging one flange. When the operating member moves in the direction, the latch member is pushed away from the first mounting member by means of one actuating member.

Abstract: A magnetic gate latch device to secure a gate in a locked position to a fence or other barrier to close or block a portal formed therein comprising a latch assembly including a lower latch pin coupled to an upper latch pin actuator by an intermediate interconnecting element mounted to the fence or other barrier adjacent the portal wherein the lower latch pin is normally biased in upper or unlocked position and a keeper assembly including a keeper base affixed to the gate and a keeper arm extending outwardly therefrom having a latch pin recess formed therein with a latch pin positioner comprising a vertically disposed magnet disposed adjacent the latch pin recess such that when the gate is closed the vertically disposed magnet of the latch pin positioner moves the lower latch pin, intermediate interconnecting element and upper latch pin from the normally biased upper or unlocked position to a lower or locked position drawing the latch pin into the latch pin recess against the force of the bias and when as the

Abstract: A lock that is actuated by an actuating force, such as that caused by an earthquake, for locking a door of a compartment or other enclosure. A magnet can be embedded on an inside surface of a door of the compartment. A displaceable component is provided within the compartment. An actuating force can displace a position of the displaceable component such that it can be aligned with the magnet. The displaceable component can be attracted to the magnet and thereby lock the door in a closed position.

Abstract: A latch release system for releasing a latch, the system having a rest position and an actuated position and requiring a first force to move the system from the rest position to the actuated position, the system including an inertia event sensor and a means for increasing the force required to operate system, wherein when the inertia event sensor detects an inertia event it activates said means so the system requires a second force, greater than the first force, to move the system to the actuated position.

Abstract: A support mechanism includes a connecting portion and a support member. The support member includes a main body rotatably connected to the connecting portion and a support portion extending from one end of the main body. A first magnet is positioned on the connecting portion. A second magnet is positioned on the support member. The magnetic force generated between the first magnet and the second magnet rotates the support member relative to the connecting portion. An electronic device using the same is also provided.

Abstract: A mailbox door latch retrofitting kit that uses a magnet attached to the interior of the mailbox to magnetically engage the door of a mailbox, or to magnetically engage a metal disk attached to the door of a mailbox. The kit includes a magnet attached to a bracket which is secured to the inside of a mailbox in a manner to permit the magnet to contact the mailbox door. The magnet secures the door of a ferrous-containing mailbox closed. For non-ferrous containing mailboxes, an optional ferrous-containing disk or flat washer is secured to the inside of the mailbox door using double sided tape and aligned for engagement with the magnet.

Abstract: A vehicle stowage assembly is provided that includes a compartment having an opening to allow access to the opening and a door proximate the opening. A ferrous member magnets are disposed on the compartment and the door to magnetically couple the magnets to the ferrous member when the door is in the closed position. A crash sensor is provided for detecting an expected vehicle crash event. An electromagnetic coil electromagnetically is coupled to the ferrous member, wherein the coil is electrically energized by current to create a polarity on the ferrous bar to create an increased force closure to the door relative to the housing when an expected vehicle crash is detected. The coil generates an opposite polarity on the ferrous member to open the door in response to a user actuated input.

Abstract: A doorstop has a foot coupled to a lower end of a handle. The handle of the doorstop has a length that allows a user to insert the foot under a lower edge of a door and to remove the foot from under the lower edge without requiring the user to bend over. The handle is removable from the foot for easy storage and travel. The doorstop foot may include a button for attachment to a clip thereby enabling a user to carry the doorstop on a belt. The coupling between the foot and handle is releasably securable and may be mechanical or magnetic. The handle may also telescope between a contracted position and an extended position.

Abstract: A windscreen configured for use with a backpacking type of stove and a cooking container. The windscreen more effectively and efficiently directs the heat from the stove to the sides of the container so as to utilize less fuel to warm the materials therein, thereby reducing the weight to be carried by the user. In one embodiment, a plurality of adjustable lower vents selectively partially or fully open to control the wind allowed into the interior area of the windscreen so as to better transfer heat from the stove to the sides of the container. In another embodiment, adjustable support tabs at the upper end of the windscreen allow the user to adjust air flow out of the windscreen. In yet another embodiment, the upper end of the windscreen engages the sides or lip of the cooking container and air flows from the interior area through upper vent holes.

Abstract: A latch (2) for holding a gate (4) closed with a fence (6), the latch comprising a bar assembly (10) disposed on the gate (4). The bar assembly (10) comprises a bar member (58) which is attractable by a magnet (20). An engagement assembly (8) is disposed on the-fence (6) and is adapted to engage the bar member (58). The engagement assembly (8) comprises an elongate member (12) comprising the magnet (20). The elongate member (12) is movable between an attraction position in which attraction between the magnet (20) and the bar member (58) is adapted to cause movement of the bar member (58) into engagement with the engagement assembly (8) when the gate (4) is closed, thereby holding the gate (4) closed, and a release position in which attraction between the magnet (20) and the bar member (58) is reduced compared with the attraction position, enabling disengagement of the bar member (58) from the engagement assembly (8) when the gate (4) is closed.

Abstract: A latch assembly includes a plate and an arm pivotable between a closed and an open position relative to the plate about a pivot axis. The pivot axis is substantially aligned with a line of entry of a connecting bar to a latched position in which, when the arm is in the closed position, the connecting bar is entirely surrounded by both the plate and the arm together and partially surrounded by the arm and the plate individually. The plate is fixed relative to the line of entry.

Abstract: Electromagnetic lock includes a body, a retractable sliding bolt, and a movable plate structured and arranged to move the retractable sliding bolt and functioning as an armature of an electromagnet housed in the body. The movable plate is movable via two forces acting in the same direction and is structured and arranged to move the retractable sliding bolt to a protruding position. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Abstract: By providing a door wherein the components forming a multi-panel unit assembly, a support & alignment mechanism, an automatic actuating panel action locking and release mechanism, sliding mechanism and hinges, a dual action door assembly is achieved which assures component engagement that allows the door assembly to operate within controlled confines combining first a sliding action and then a swing action to open the door for full unobstructed access of a range of doorway widths from narrow to ultra-wide while overcoming the support problems, full open access problems and wide swing radii problems consistent with conventional doors.

Abstract: A magnetic gate latch has a multiplicity of permanent magnets arranged on a pair of disks with half of the magnets in mutual attraction and half of the magnets in mutual repulsion. These magnetic forces are used to brake and close a gate or door. One of the disks is made axially movable with respect to the other so as to assume mutual repulsion in one position and mutual attraction in a second position. The movable disk is attached to a gate or door closing member and the other disk is attached to the closing structure post or jamb. Magnetic forces in the repulsion position are used in the invention to reverse the movable disk from a mutual repulsion position to a mutual attraction position.

Abstract: A retractable stopper, for example a door stopper, includes a tilting element that is rotatably supported about a rotation axis and that can be moved from a retracted position into a blocking position by the action of at least one trigger magnet, which is fastened to a moving object, and in said blocking position blocks the movement of the moving object. The tilting element includes a front lever, on which a preferably elastic buffer element is disposed. In the blocking position, the buffer element faces the moving object. A stopper magnet is disposed at the tilting element. As the trigger magnet approaches a vicinity region in front of the stopper, the tilting element can be rotated out of the retracted position into the blocking position due to the action of the trigger magnet on the stopper magnet before the trigger magnet is located above the tilting element.

Abstract: A latch with dual rotary magnets is particularly suited for releasably securing dual doors of a compartment in the closed position. Each rotary magnet holds in a closed position a magnetic insert attached to a respective door by magnetic attraction to secure both doors in the closed position relative to the compartment.

Abstract: A closure mechanism and in particular to a magnetically operated closure mechanism for doors and the like which includes a first and second magnetic assembly, each of said magnetic assembly comprising a magnet; and a housing to house the magnet, wherein at least one magnetic assembly includes an adjustment mechanism to adjust the position of the magnet relative to its housing.

Abstract: An electromagnetic door locking device for a washing machine and similar, adapted to lock a sliding cursor (30) cooperating with the end of a hook mounted on the machine porthole door through a blocking pawl (12). The device comprises two preloaded parallel and mechanically separate metal strips (16, 17), accomplishing the closing and the opening of the power circuit and of the open/closed door circuit, respectively, and that are maintained in the open position by said pawl (12) and by an actuator (13) operated by said cursor (30), when said door is open.