Abstract: A safety socket is disclosed, comprising a socket body, an outer mold sleeve, a torsion rotating spring and a protective block body, and when any foreign object may be potentially inserted into the socket body, the foreign object will be effectively blocked by the protective block body such that it cannot smoothly enter therein, thus achieving the feature of safety protection.

Abstract: Multiple socket with a housing, a power supply component and connections for safety plugs, wherein connections and safety plugs are dimensionally matched to one another with at least one flexible cover for the connections providing access for the contact pins of safety plugs, wherein the accesses are designed in the form of slots expanding when the contact pins of a safety plug are inserted, a cover plate, which is arranged underneath and connected to the cover(s) and has apertures for the contact pins of a safety plug, an insert arranged in the housing for a current conductor, a neutral conductor and a ground conductor, with the contacts of the current conductor, the neutral conductor and the ground conductor each being connected to one another via rails, arranged in separate brackets and accessible for the contact pins of a safety plug through the flexible cover and the cover plate, and an on/off switch connected to the power conductor.

Abstract: A safety shield assembly for a power receptacle and a power receptacle incorporating the same. The safety shield assembly includes a frame and a sliding block and a resilient member disposed in the frame. The frame has multiple openings corresponding to multiple socket holes of the power receptacle, a position limiting member configured to abut the sliding block, and a balancing support member. In its initial state, the resilient member urges the sliding block to a closed position to covers the openings. The sliding block has two inclined surfaces. When an inserted object pushes on only one of the two inclined surfaces, the position limiting member limits the sliding motion of the sliding block; when two inserted objects simultaneously push on both inclined surfaces, the sliding block is balanced on the balancing support member and is able to slides along the frame to expose the openings.

Abstract: A service plug includes a first connector housing, a second connector housing, and a lever that is rotatable about a rotational shaft on the second housing. The lever is movable between a first operating position and a second operating position. The second connector housing is in a non-fitted state, when the lever is in the first operating position. The second connector housing is in a fitted state, when the lever is in the second operating position. The lever includes a preventive wall at a terminating end portion of the cam groove.

Abstract: An electrical connector assembly for an automotive subassembly having an enclosure is described. The electrical connector assembly includes a female electrical connector mounted to the enclosure and having a tight space between a wall of the female electrical connector and an adjacent inside surface of the enclosure. A male electrical connector has a spring-action lock that locks the male electrical connector by way of a single locking tab that pops out to project through a slot in the wall of the female electrical connector when the male electrical connector is fully inserted into the female electrical connector. A color of the wall of the female electrical connector is a dark color and a color of the locking tab is a bright color such that a secure connection between the male electrical connector and the female electrical connector is indicated by appearance of the projected locking tab within the tight space.

Abstract: A housing for a computer system which can be opened at least on a first housing wall for access into the housing and wherein, on a second housing wall, an opening for an external connector plug is arranged, the housing having a covering fixture to cover the opening for the connector plug, wherein the covering fixture is operable by the first housing wall such that the opening for the external connector plug is covered at least partially when the housing is opened, and the opening for the external connector plug is not covered when the housing is closed.

Abstract: A power outlet may comprise an enclosure with at least one plug jack, a reset button comprising at least one integrally formed extension latch arm, the extension latch arm comprising at least one positioning pin, and at least one baffle configured to selectively block at least a portion of the plug jack, the baffle comprising an outer wall comprising a face, a pin slit, and a leg. The extension latch arm positioning pin is configured to selectively press against the outer wall face when the extension latch arm is in an upward position. The extension latch arm positioning pin is configured to selectively enter the outer wall pin slit when the extension latch arm is in a downward position.

Abstract: A memory card reader assembly for a device having a GPS component includes a housing having an exterior wall and defining two interior compartments. A jack for a memory card is secured within one compartment, and the housing includes a slot for enabling insertion of a memory card through the housing wall and into the jack. That compartment, including the slot, is sealed to prevent fluid entry into the compartment.

Abstract: The invention discloses a safety socket with protective door comprising a socket panel, a reset spring, a protective door, and a protective door casing installed on the socket panel, wherein the socket panel and the protective door casing are provided with jacks, a partition is arranged inside the protective door casing, the protective door is provided with a through cavity and sleeved on the partition, the reset spring is located in the through cavity and between the partition and the protective door, slopes are arranged on the inner walls of the protective door, two bottom inclined walls are arranged on the lower end of the protective door, a fulcrum is formed at the intersection of the two bottom inclined walls, and limiting lug bosses matched with the jacks on the protective door casing are arranged on the left and right lower ends of the protective door, respectively.

Abstract: A supported slide safety member. A slide block disposed on the inner side of an upper cover of a socket, includes two inclined surfaces in the same direction disposed on the outer side of the slide block with a slide block window respectively disposed on a lower side of each inclined surface, and a protruding supporting shaft disposed on the inner side of the slide block. A cover plate with two cover windows is disposed on the inner side of the slide block, and the outer side of the cover plate is in contact with the supporting shaft. An elastic component is connected between the slide block and the upper cover. A stop surface is disposed on both the inner side and the outer side of a tail end of the slide block, stopped by and upper stop rib and a lower stop rib.

Abstract: A power outlet includes a casing, a middle-layer support and at least one safety shield device. The middle-layer support includes at least one conductive plug bush and provides guiding jacks corresponding to the position of the conductive plug bush. The safety shield device has a left shield, a right shield and a spring. Each left and right shield extends a shield foot from the underside, respectively. The middle-layer support further includes sliding platforms for movement of the left shield and the right shield. The sliding platform has location holes for insertion of the shield feet. When the left shield and right shield lock, two shield feet respectively match against an opposite inner edge of two location holes on the sliding platform. When the left shield and right shield open, the guiding jack on the middle-layer support exposes.

Abstract: A platform and slider assembly for use in a tamper resistant receptacle is provided. The tamper resistant receptacle includes a cover having first and second non-grounding apertures formed therein. In use, when a set of blades of a plug is inserted simultaneously through the first and second apertures formed in the cover, the blades make contact with the at least one angled surface on the slider urging the at least one angled surface of the slider to move with respect to the angled surface of the platform such that the slider is urged from the first position to the second position. The first and second apertures formed in the platform define an axis extending from the first aperture to the second aperture; and the slider moves relative to the platform in a direction orthogonal to the axis extending from the first aperture to the second aperture.

Abstract: An electrical device assembly includes an electrical device and a plug connector adapted to be received thereby. The electrical device includes a housing having a rear surface and an aperture in the rear surface. A ground strap is connected to the housing and is adapted to secure the electrical device to an electrical box. A plurality of contact blades are disposed in the electrical device and are accessible through the aperture. One of the contact blades is a ground contact blade. A conductive member extends between the ground contact blade and the ground strap. The plug connector includes a plurality of contact members adapted to engage the plurality of contact blades in the electrical device. A plurality of wires extend outwardly from the plurality of contact members such that the plurality of wires are substantially parallel to the rear surface of the electrical device when the plug connector is connected to the electrical device, thereby providing an electrical device assembly having a low profile.

Abstract: A power strip includes a base, a casing, at least one latching member, and at least one first elastic member. The case includes at least one cover. Each cover includes at least one first hook. The cover is able to move between a first position and a second position. Each latching member is slidably connected to the base and includes at least one second hook. Each first elastic member is received in the base and capable of providing a spring force to keep one cover to be in the first position. When the cover is moved to the second position, the first hook engages the second hook to keep the cover in the second position. When the latching member is operated to cause the first hook disengages from the second hook, the cover is pushed to the first position due to the spring force of the first elastic member.

Abstract: A tamper-resistant electrical receptacle includes a cover defining a set of cover apertures; and a slider defining an aperture therein and being movable between a first position blocking the set of cover apertures and a second position not blocking the set of cover apertures, wherein when an object probes at least one and fewer than all of the set of cover apertures, the slider is constrained in the first position. When a set of prongs is inserted simultaneously through the set of cover apertures, the prongs contact a slider surface that is oriented substantially orthogonal to a longitudinal axis of the set of prongs such that the slider is urged from the first to the second position. When in the second position the slider aperture aligns with at least one of the set of cover apertures to enable the set of prongs to contact the receptacle contacts.

Abstract: A power strip includes a base, a casing, at least one latching member, and at least one first elastic member. The case includes at least one cover. Each cover includes at least one first hook. The cover is able to move between a first position and a second position. Each latching member is slidably connected to the base and includes at least one second hook. Each first elastic member is received in the base and capable of providing a spring force to keep one cover to be in the first position. When the cover is moved to the second position, the first hook engages the second hook to keep the cover in the second position. When the latching member is operated to cause the first hook disengages from the second hook, the cover is pushed to the first position due to the spring force of the first elastic member.

Abstract: A safety door for use with a rotatable power supply socket having a mounting base with plugging holes therein. The safety door includes first, second and third sliding parts, and an elastic assembly. The safety door includes three rectangular plugging holes, a left-hand, middle and right-hand plugging hole, and two ground plugging holes, upper and lower. While sliding in a rail slot of the mounting base, the first sliding part can block the left-hand plugging hole while sliding along the left-right direction, the second sliding part can block the right-hand plugging hole while sliding along the left-right direction; the third sliding part can block or expose the middle plugging hole while sliding along the left-right direction. The elastic assembly includes a first elastic part for providing returning elastic force to the first sliding part and a second elastic part for providing returning elastic force to the second sliding part.

Abstract: An electrical connection assembly includes a faceplate defining a compartment extending substantially perpendicularly therefrom. The compartment being formed from the same piece of material as the faceplate and defining a biasing member biasing a component of the connection assembly. The electrical connection assembly also includes a one-piece conductive insert disposed within the compartment. The insert has a terminal enabling electrical connection of the insert to an electrical current source.

Abstract: The disclosed embodiments are directed to a protective shutter assembly that includes a registration member having longitudinal and lateral axes, first and second shutter members slidably mounted in the registration member, each shutter member including a ramp member and a receptacle blocking member, the ramp member being configured to lie in a path of a first receptacle opening and the receptacle blocking member being configured to lie in a path of a second receptacle opening, spring members connected between the registration member and respective ones of the first and second shutter members, the spring members being configured to bias the first and second shutter members so that the ramp members lie in a path of a respective receptacle opening, and wherein the first and second shutter members are independently movable such that when an object exerts a force on only one ramp member, a respective shutter member moves relative to the other shutter member such that the one ramp member is longitudinally displace

Abstract: A socket featuring movable lids for shielding plug holes is characterized by accommodating a set of movable lids: a first lid, a second lid and an elastic member in a cavity of its panel, where the first lid and the second lid are used to barricade the first notch and the second notch respectively by the bottoms of their tapered surfaces. A user, on occasion, is inserting a stick-like object into a single plug hole incidentally or intentionally, the first lid and the second lid will hold up each other to barricade the corresponding notch to avoid the stick-like object to touch the specific conducting clip, keeping the user from the hazard of an electrical shock.

Abstract: A socket unit includes a main body, a rotational cover and a spring. The main body has a circular indented region, which is provided with three slots. In assembly, a protruding unit is connected with the circular indented region. The rotational cover can fully cover the three slots. The rotational cover has three slots and whose sizes are slightly larger than or substantially equal to those of the slots of the main body. The spring is fitted onto the protruding unit of the rotational cover. The inner end of the spring is fixedly fitted onto the circular indented region and the outer end of the spring is fixedly fitted onto the protruding unit. In use, the prongs of the plug is inserted and the rotational cover is rotated so that the three slots of the rotational cover may line up with the three slots of the main body to allow the three prongs of the plug to reach the three slots. When the plug is unplugged, the rotational cover can fully close the three slots through the returning force of the spring.

Abstract: A tamper-resistant electrical receptacle includes a cover defining a set of cover apertures; and a slider defining an aperture therein and being movable between a first position blocking the set of cover apertures and a second position not blocking the set of cover apertures, wherein when an object probes at least one and fewer than all of the set of cover apertures, the slider is constrained in the first position. When a set of prongs is inserted simultaneously through the set of cover apertures, the prongs contact a slider surface that is oriented substantially orthogonal to a longitudinal axis of the set of prongs such that the slider is urged from the first to the second position. When in the second position the slider aperture aligns with at least one of the set of cover apertures to enable the set of prongs to contact the receptacle contacts.

Abstract: A socket protection cover structure includes a socket body having a socket panel disposed thereon, the socket panel is disposed with two holes corresponding to each other for a sliding slot and a plurality of positioning holes to be disposed therebetween; a sliding cover having a pivot inserted through the sliding slot of the socket panel for the sliding cover to move on the socket panel; therefore an operator can use the sliding cover to expose or enclose the hole on the socket panel to enhance safety use of electricity.

Abstract: The present invention provides an intrinsically safe electrical outlet, which is fitted with a shell accommodating a live wire stub and a live wire conductive clip; a protective device is disposed on the live wire stub' the protective device has a shell, wherein there are a moveable connecting block and a return spring; when the pin of the plug is inserted into the electrical outlet, the connecting block is activated so that the live wire conductive clip is electrically connected with the live wire pin of the plug. As the live wire stub in the shell is enclosed in a protective device, the metal objects or other conductive bodies may not get contact with the live wire conductive clip and cause electric shock or leakage even if they are extended accidentally into the jack; satisfactory safety could be realized since the live wire conductive clip is electrically connected with the plug's live wire pin only when certain forced is applied to the plug pin and insert it into the jack.

Abstract: The present invention relates to a device for attaching a temporary and a permanent generator as a backup to a cellular tower or to other electrically supported device. The device of the invention provides a means for only allowing one generator at a time to be attached.

Abstract: A socket safety apparatus includes an upper cover, a lower cover, a cover body, and a flexible element. The upper cover has two first plug holes. The lower cover is located below the upper cover and has two second plug holes that correspond to the first plug holes. The cover body, movably located between the upper cover and the lower cover, is supported above the lower cover via a supporting portion so that two sides of the cover body can move upwards and downwards. The cover body has two slant surfaces and two braking portions that respectively correspond to the first plug holes and second plug holes. The flexible element pushes the cover body so that the cover body is covered between the first plug holes and the second plug holes. Thereby, the apparatus can prevent foreign matter from being plugged into a socket, and prevent electric shock to user.

Abstract: A safety outlet cover that includes a cover with a front face including plug blade apertures. The safety cover may include a cover with a front face where the front face is configured to cover the face of an electrical device except for a plurality of plug blade apertures therethrough. The cover also may include a mounting plate, a frame and a spring element formed as a single piece where the mounting plate includes a receptacle face aperture. When the cover and mounting plate are coupled at a rest position, the cover is configured to cover a plug blade socket in a receptacle face. In a particular implementation, a spring element of the mounting plate is formed as a single piece with the frame and within the frame.

Abstract: A tamper-resistant device including a housing having a first surface and a second surface; and one or more covers positioned on the first surface of the housing, wherein the first surface includes at least two angled surfaces for receiving the one or more covers to create a securedly fixed connection, and wherein the one or more covers are securedly fixed to the housing via a snapping device.

Abstract: A bidirectional DC/AC inverter includes a power conversion means in connection with an electric storage means, a control means operable to control an operation of the power conversion means, a plug for electrically connecting a power source to the power conversion means, an outlet for electrically connecting a load to the power conversion means, an inhibiting member operable to cover at least the plug to inhibit the power conversion means from being electrically connected to the power source, and a detecting means operable to detect whether the plug is covered or not. The control means inhibits the power conversion means from outputting alternating-current power when the detecting means detects that the plug is not covered by the inhibiting means.

Abstract: A safety outlet cover that includes a cover with a front face including plug blade apertures. The safety cover may include a cover with a front face where the front face is configured to cover the face of an electrical device except for a plurality of plug blade apertures therethrough. The cover also may include a mounting plate and a spring element formed as a single piece where the mounting plate includes a receptacle face aperture. When the cover and mounting plate are coupled at a rest position, the cover is configured to cover a plug blade socket in a receptacle face.

Abstract: A tamper resistant assembly provides tamper resistance to an electrical receptacle. A groove has a locking portion connected to a first portion in a base member of the tamper resistant assembly. A first shutter member having first and second resilient arms is slidably connected to the base member. First and second protrusions extend rearwardly from the first and second resilient arms, respectively, and are slidably received in the groove in the base member. The first and second protrusions are disposed in the locking portion of the groove when the shutter member is in a closed position and in the first portion when the shutter member is in an open position. The locking portion prevents separation of the first and second protrusions in the closed position to prevent the first and second resilient arms from being separated and to prevent insertion of an object therebetween.

Abstract: An electronic device having one or more contact posts is disclosed having a sleeve slidably mounted around the contact post and lockable by a push-push latching system in a retracted position in which the sleeve is below an upper end of the contact post and an extended position in which the sleeve extends around and covers the upper end of the contact post. The sleeve and contact post may have respective apertures extending transversely therethrough, which are aligned when the sleeve is slightly retracted to receive a probe. Alternatively, an ECG electrode clip may engage an end of the contact post when it is exposed by the sleeve being in the retracted position.

Abstract: A tamper-resistant electrical receptacle disclosed herein includes a cover assembly having at least one pair of apertures, a cover, and at least one slider that rests in the cover behind one pair of the apertures. The slider is held in a first position where it covers both apertures such that an object is blocked from entrance in either aperture and, thereby, blocked from accessing either receptacle terminal formed in the base assembly connected to the cover assembly. This first position is maintained until prongs are substantially inserted simultaneously into the apertures causing the slider to move into a second position where the prongs are enabled to pass through the apertures, engaging the receptacle terminals. After the prongs are removed from the receptacle terminals, the slider automatically retracts to the first position. When only one aperture is probed by an object, however, the slider remains confined in the first position.

Abstract: A microporous polyolefin battery separator membrane is extremely high in porosity, high in puncture strength, very low in shrinkage and with shutdown temperature of 130-140 degrees C. and melt integrity greater than 165 degrees C. It is made of UHMWPE having a weight-average molecular weight of 1×106 or more and an inert filler. A second microporous polyolefin battery separator has a shutdown temperature of between 95 and 110 degrees C. and a melt integrity of more than 165 degrees C. It is made from an UHMWPE having a weight-average molecular weight of 1×106 or more, a shutdown (LMWPE) having a weight-average molecular weight of 4500 or less and an inert filler. Both membranes have a thickness of 5-75 microns, a porosity of 30-95%, an air permeability of 1-200 sec/10 cc, an average pore diameter of 0.001 to 1 micron and puncture strength of more than 300 grams/25 ?m.

Abstract: A rotary-type safety socket of the present invention comprises a socket body, at least a holey base, and at least a top cover. The socket body comprises an insulator and at least an elastic device. The insulator has a recessed slideway on the top surface. The holey base is held in the socket body. The holey base has a top plate and a tube body. The top plate has several through holes and an axial hole. The tube body is extended from the outer edge of the axial hole. The top cover is movably sleeved onto the holey base. The top cover comprises a plate body, several through holes on the plate body, a pillar extending from one surface of the plate body, a protrudent part extending from one surface of the plate body, and a second positioning ear extending from the outer edge of the plate body.

Abstract: A socket for an electric plug comprising a housing, a first and second pin receptacles, and a shutter mechanism comprising a first and second shield elements, the first and second shield elements, each comprising a detent, and are being joined together by a flexible member, the shutter mechanism being slidingly movable along an axis and also so as to be rotatable about an axis perpendicular to the sliding movement, the shutter mechanism comprising a biasing means for biasing the shutter mechanism into the first position, wherein insertion of only one pin into the first or second pin receptacle so as to contact the first or second shield element causes the shutter mechanism to rotate about the axis perpendicular to the sliding movement bringing the detent of either the first or second shield element into engagement with the housing preventing movement of the shutter mechanism into the second position.

Abstract: A socket protective cover capable of preventing single-opening insertions includes a housing, a sliding base and covers. The housing has insertion openings. The sliding base is capable of transverse displacement in the housing, and has restoring elasticity. The covers are also provided with restoring elasticity, and have blocking members for extending into the insertion openings of the housing. When the blocking members at the covers are not simultaneously pushed and departed from the insertion openings, the other blocking member not pushed away from the insertion opening remains in the insertion opening and blocks sideward movements of the sliding base, thereby forbidding an alien object from pushing away the blocking members and thus preventing the alien object from entering the socket.

Abstract: An electrical connector assembly is provided that includes a first connector having a slidable cover and alignment post receiving sockets, a second connector constructed with alignment posts, and a flexible mounting bracket. The cover protects terminals mounted in the first connector from dirt and debris when the connector is in an unmated state. As the second connector is engaged with the first connector, angled surfaces on the alignment posts of the second connector cooperate with chamfered surfaces on the first connector to guide a misaligned second connector into the first connector. Angled surfaces on the alignment posts and cover cooperate to move the cover exposing the terminals on the first connector for electrical connection with terminals on the second connector.

Abstract: The invention discloses a composite elastic member of socket protective safety cover, in that the composite elastic member is disposed in a socket safety protective cover, is capable of providing the protective cover with vertical restoring elasticity and horizontal elasticity, and forms fulcrums for swinging movements of the protective cover. The composite elastic member includes vertical elastic plates, a horizontal elastic plate and a fixing section. A highest point of each vertical elastic plate forms a support point. The horizontal elastic plate is located at a side of the vertical elastic plates, and has action directions perpendicular to those of the vertical elastic plates. The fixing section is located out of action ranges of the vertical elastic plates and the horizontal elastic plate, and is for fixing an entire structure to an external object.

Abstract: A protective cover and electric outlet arrangement includes a socket unit formed in an outlet body, the socket body having a top recess surrounded by a vertical top peripheral wall thereof, a set of insertion slots formed in the top recess for receiving an electric plug, and a sliding slot formed in the top recess, and a protective cover coupled to the sliding slot and movable along the vertical top peripheral wall to close/open the insertion slots of the socket unit, the protective cover having a bottom guide rod inserted through the sliding slot to guide movement of the protective cover along the sliding slot, the bottom guide rod having an expanded head located on a bottom end thereof and stopped below the sliding slot.

Abstract: A safety socket protective cover includes an outer housing, an inner housing, a sliding cover, an elastic support member and an elastic member. The sliding cover, the elastic support member and the elastic member are disposed at a gap between the outer housing and the inner housing. The sliding cover is provided with wedge members for corresponding with receptacles at the outer housing, wherein each wedge member has a passive inclined plane. The elastic support member has elastic restoring forces and is disposed below the sliding cover. The elastic member is pressed between the sliding cover and the outer housing. When the sliding cover receives abnormal forces, the wedge members block the receptacles at the outer housing due to unequal forces received, thereby preventing alien objects from entering the receptacles.

Abstract: A protective cover and electric outlet arrangement includes an outlet body, the outlet body having a socket unit with insertion holes for receiving an electric plug, a protective cover coupled to the outlet body and moved between an open position to open the insertion holes of the socket unit and a close position to close the insertion holes of the socket unit, and a locking structure adapted to selectively lock the protective cover in the open position or the close position, the locking structure includes a notch in the outlet body, two notches in the protective cover, and a locking member pivoted to the notch of the outlet body and turned between the locking position and the unlocking position to selectively engage the notches of the protective cover.

Abstract: A protective cover and electric outlet arrangement includes an outlet body, the outlet body having a socket unit with insertion holes for receiving an electric plug, a protective cover coupled to the outlet body and moved between an open position to open the insertion holes of the socket unit and a close position to close the insertion holes of the socket unit, and a locking structure adapted to selectively lock the protective cover in the open position or the close position, the locking structure includes a notch in the outlet body, two notches in the protective cover, and a locking member pivoted to the notch of the outlet body and turned between the locking position and the unlocking position to selectively engage the notches of the protective cover.

Abstract: A connector has a housing (10) with cavities (11) and a lock (17) in each cavity (11) for locking a terminal fitting (40). Each lock (17) has thin portions (17B) formed by partially cutting a surface thereof facing a deformation permitting space and a thick portion (17A) thicker than the thinner portions (17B). Deformation-preventing portions (32) are insertable into recesses formed by a difference in the thickness between the thick and thin portions (17A, 17B) to restrict resilient deformation of the locks (17). The connector can be made smaller because the locks (17) and the deformation-preventing portions (32) overlap along the thickness direction.

Abstract: A shielding cap and electric socket -arrangement is constructed to include an electric socket integral with a part of an electric outlet, the electric socket having two parallel sliding rails disposed at two sides of plugholes thereof, a shielding cap movable along the parallel sliding rails between a first position to close the plugholes of the electric socket and a second position to open the plugholes of the electric socket, and a lock structure provided between the shielding cap and the electric socket and adapted for selectively locking the shielding cap between the first position and the second position.

Abstract: A shielding cap mounting arrangement includes an electric outlet, the electric outlet having a shell, a top recess in the shell, a set of plugholes in the top recess for receiving an electric plug, two rails at two sides of the top recess, two parallel sliding grooves respectively defined in the rails at two sides of the top recess, and two downward protruding portions downwardly protruded from the rails on the middle at an outer side, and a shielding cap mounted in the top recess between the downward protruding portions and moved along the sliding grooves to close/open the plugholes, the shielding cap having two side wings respectively horizontally inserted into the sliding grooves and suspended below the downward protruding portions to guide movement of the shielding cap in the top recess and to prohibit the shielding cap from escaping out of the top recess.

Abstract: Disclosed is an improved memory card connector having contact heads to make contact with the contacts of a memory card when inserted in the card receptacle of the memory card connector. It comprises contact limiting means responsive to insertion of the memory card into the card receptacle for preventing the contact heads from touching anywhere on the way to the contacts of the memory card.

Abstract: An electric appliance has a body member and a detachable electric cord. The body member includes a connecting portion having at least one pin member extended therefrom. The electric cord includes at least a first plug member and a second plug member which are electrically connected with each other. The first plug member is electrically connectable to an electric source. The second plug member is releasably engageable with the connecting portion of the body member by a magnetic attracting force between them. The pin member includes a tapered end surface, and the second plug member includes at least one aperture sized to receive the pin of the connecting portion of the body member. The width of the aperture is greater than the width of the pin member by a factor in the range of 1.1 to 5.

Abstract: The invention is directed to techniques for controlling access to an optical interface using film having windowed sections and non-windowed sections. The windowed and non-windowed sections are selectively positioned over an optical interface location that holds the optical interface in order to protect the optical interface. Preferably, such positioning occurs in an automated manner such that a technician need not perform an extensive cleaning step each time fiber optic equipment requires handling, e.g., each time a fiber optic connector of a fiber optic component is unplugged and re-plugged. In one arrangement, an optical connector housing holds the optical interface in an optical interface location of the optical connector housing, and a film positioning assembly selectively positions windowed and non-windowed sections of film over the optical interface location in order to selectively expose and protect the optical interface.

Abstract: An electrical outlet, used with a plug having live and neutral prongs of equal length, comprises support member having live and neutral apertures, and live and neutral receptacles for receiving the prongs. A blocking member lies between the support member and the receptacles, and moves between a closed position, in which it blocks the apertures, and an open position, it which it does not block these apertures, thus permitting the prongs to enter the receptacles. The blocking member is biased towards its closed position, but has a cam surface which contacts the entering neutral prong and moves the blocking member to its open position. The blocking member also has a recess so that, when the blocking member is in its closed position, a portion of the live prong can lie within the recess.