Abstract: An optical connector holding two or more LC-type optical ferrules is provided. The optical connector includes an outer housing, ferrules, a cable boot and one or more polarity keys. The keys are configured to change connector polarity from a first to a second polarity. A corresponding adapter with one or more slots within an adapter wall on opposing sides sized and shaped to accept a single or dual keyed polarity changeable connector.

Abstract: Embodiments disclosed herein are directed to a device and system of devices including: a connector housing comprising an alignment sleeve therein with a plural of angled surface and at least one opening, or an internal cavity of said connector housing has the same configuration as said alignment sleeve. Upon inserting ferrule assembly within an opening of said housing, a contact point on a collar or flange of said assembly moves along angled surfaces until it engages an opening between angled surfaces for securing ferrule assembly within connector housing without jamming.

Abstract: A LC type connector assembly with a clip on, clip off push/pull boot is described herein. A cable boot is recessed to accommodate one or more tabs of the clip-on push/pull boot, while the cable boot has one or more protrusions for securing the cable boot to a back body of the connector. Thus, the push/pull clip is integrated with a cable boot assembly that allows a user to apply a distal force to remove or insert the connector assembly into the adapter housing. The push/pull clip is configured for use to release a LC connector type from a receptacle port with or without an anchor device within the port.

Abstract: A multi-fiber, fiber optic connector may include a reversible keying arrangement for determining the orientation for plugging the connector into an adapter to thereby allow for a change in polarity of the connection to be made on site. The connector housing may be configured to engage with a removable key that may be engaged with the housing in at least two different locations to provide the plug-in orientation, or the housing may have slidably displaceable keys movable between multiple positions on the housing.

Abstract: Reversible polarity fiber optic connectors are provided having housings at least partially surrounding first and second optical ferrules with walls above and beneath the ferrules. Positioning removable elements such as latches, removable arms, or push-pull tabs on the first wall above the ferrules yields fiber optic connectors with a first polarity type, and positioning the removable elements on the second wall beneath the ferrules yields fiber optic connectors with a second, opposite polarity type. Various engagement mechanisms are provided on either the connector housing walls or on the removable elements, or both, to assist in affixing the removable element to the connector housing.

Abstract: An electrical switch unit for use in controlling operation of an electrical device, the electrical switch unit including: an electrical switch unit housing for housing at least a pair of electrical switching contacts of the electrical switch unit, said electrical switch unit housing including a first housing member and a second housing member that are configured for attachment together at peripheral regions of the first and second housing members so as to cooperatively form an enclosed space for housing the pair of electrical switching contacts therein; an actuator member operably-connected with at least one of the pair of electrical switching contacts, the actuator being configured for movement relative inwardly and outwardly of an opening in the electrical switch unit housing so as to arrange the pair of electrical switching contacts into at least one of a closed configuration wherein power is able to be supplied from a power source to motor or other electrically-operable element of the electrical device vi

Abstract: An array of dust shutter plate connected to a body by a flexible bridge member. The body holds one or more dust shutter plate, a corresponding bridge member, and an actuator that opens the dust shutter or moves the dust shutter plate from a closed position covering an opening in the alignment sleeve holder to an open position, so the connector ferrule can be accepted into an opening at one end of the alignment sleeve holder.

Abstract: Embodiments disclosed herein are directed to a device and system of devices including: a connector comprising a housing comprising a groove lengthwise in a surface of the housing and a push-pull tab comprising a protrusion, a widthwise recess on the connector housing accepting protrusions on a removable anchor device that retains the connector in a port, wherein the push-pull tab releases the connector from the port using protrusions on the anchor device and the receiver device comprising one or more ports for receiving one or more connector types; and the receiver device comprising one or more ports without an anchor; said port secures a second connector type comprising a latch release mechanism; and the receiver device ports are opposite one another; wherein the opposite ports can accept a first connector and a second connector; wherein the first connector release mechanism and differs from the second connector release mechanism.

Abstract: A fiber optic connector having a push/pull tab wherein the push/pull tab travel is limited by an internal stop to release a connector from a receptacle, and the push/pull tab is releasably secured from connector. The push/pull tab has a plural of securing protrusions that secure the tab to the connector housing.

Abstract: A multi-fiber, fiber optic connector may include a reversible keying arrangement for determining the orientation for plugging the connector into an adapter to thereby allow for a change in polarity of the connection to be made on site. The connector housing may be configured to engage with a removable key that may be engaged with the housing in at least two different locations to provide the plug-in orientation, or the housing may have slidably displaceable keys movable between multiple positions on the housing.

Abstract: A trigger switch assembly for use with an electrical device, including: a switch housing; a switch circuit disposed within the switch housing; an actuator rod configured for operable-interaction with a contact lever of the switch circuit; a trigger member having an actuator rod engagement recess configured for receiving a first end of the actuator rod therein, and, a finger-engagement portion configured for engagement by a user's finger so as to urge the actuator rod along the movement axis from the OFF position in to its ON position; and a lock-off mechanism.

Abstract: A LC type connector assembly with a push/pull cable boot integrally formed with a protrusion that accepts an adapter release for releasing a fiber optic connector from an adapter port.

Abstract: Disclosed herewith a prefabricated bathroom and a construction method and an installation method thereof. The prefabricated bathroom includes a bottom unit (11), multiple wall units (12) and a top plate unit (13). One of the wall units (12) is a structural wall (14), which is provided with a recessed top region (141) reserved for later pouring, a middle full-prefabricated structural wall body (142), and a recessed bottom region (143) reserved for later pouring. Top exposed reserve bars (144) of the prefabricated bathroom of a floor are inserted into the recessed bottom region (143) of the prefabricated bathroom of a next floor, and connected with bottom exposed reserve bars (146) thereof, so that the prefabricated bathroom of said floor can be connected with that of said next floor through pouring concrete in the recessed top region (141) and the recessed bottom region (143).

Abstract: Embodiments disclosed herein are directed to a device and system of devices including: a connector comprising a housing comprising a groove lengthwise in a surface of the housing and a push-pull tab comprising a protrusion, a widthwise recess on the connector housing accepting protrusions on a removable anchor device that retains the connector in a port, wherein the push-pull tab releases the connector from the port using protrusions on the anchor device and the receiver device comprising one or more ports for receiving one or more connector types; and the receiver device comprising one or more ports without an anchor; said port secures a second connector type comprising a latch release mechanism; and the receiver device ports are opposite one another; wherein the opposite ports can accept a first connector and a second connector; wherein the first connector release mechanism and differs from the second connector release mechanism.

Abstract: A fiber optic connector having a push/pull tab wherein the push/pull tab travel is limited by an internal stop to release a connector from a receptacle, and the push/pull tab is releasably secured from connector. The push/pull tab has a plural of securing protrusions that secure the tab to the connector housing.

Abstract: A variable-speed control assembly for use in controlling speed of an electric motor of an electric device, the variable-speed control assembly including: a housing; a speed signaling circuit module located within the housing including a pair of spaced-apart electrically-conductive stationary contact members and a movable electrically-conductive contact member configured for movement relative to the pair of stationary contact members between at least one of an OFF position in which the movable contact member does not electrically connect the pair of stationary contact members, and, a plurality of ON positions in which the movable contact member electrically connects the pair of stationary contact members such that an electric current supplied to the speed signaling circuit module from a power supply of the electric device is able to flow between the pair of stationary contact members via the movable contact member; wherein the movable contact member includes an elastically-deformable material configured for de

Abstract: Reversible polarity fiber optic connectors are provided having housings at least partially surrounding first and second optical ferrules with walls above and beneath the ferrules. Positioning removable elements such as latches, removable arms, or push-pull tabs on the first wall above the ferrules yields fiber optic connectors with a first polarity type, and positioning the removable elements on the second wall beneath the ferrules yields fiber optic connectors with a second, opposite polarity type. Various engagement mechanisms are provided on either the connector housing walls or on the removable elements, or both, to assist in affixing the removable element to the connector housing.

Abstract: A fiber optic connector having a push/pull tab wherein the push/pull tab travel is limited by an internal stop to release a connector from a receptacle, and the push/pull tab is releasably secured from connector. The push/pull tab has a plural of securing protrusions that secure the tab to the connector housing.

Abstract: A fiber optic connector includes a housing having an internal cavity and a front opening. A back post has an internal cavity, a front opening and a rear opening. The back post is operatively connected to the housing so that the internal cavity of the back post communicates with the internal cavity of the housing. At least two ferrules are disposed at least partially within the internal cavity of the housing and are exposed through the front opening of the housing. Each ferrule has a cylindrical shape and includes a flange. Each ferrule couples to an optical fiber. A fiber guide is coupled to each ferrule. Each fiber guide receives one of the optical fibers. Each fiber guide extends rearward from the ferrule. Each fiber guide extends in the internal cavity of the housing and the internal cavity of the back post. Each fiber guide is bent as the fiber guide extends rearward from the internal cavity of the housing to the internal cavity of the back post.

Abstract: A fiber optic adapter for mating a multi-fiber optic ferrule connector and a multi-fiber optic connector. An engagement device may be integrated or molded as part of adapter receptacle at either end. The engagement device secures the multi-fiber connector. The adapter may be two-piece with a first portion detachable from a second portion, the first portion housing one or more integrated engagement devices and the second portion housing one or more replaceable engagement devices, or a receptacle configured to secure a latch configured on an outer housing of a connector. Receptacle may further contain a plural of engagement devices formed as a unitary engagement device. The receptacle has a gap configured to accept the integrated engagement device. A ferrule flange assembly configured to front load into a connector housing. A connector housing with a top and a bottom stabilizer for the fiber optic connector with an adapter port.