Abstract: A suspension system for a personal radiation garment includes a ceiling mount having a flanged drop tube extending vertically, and at least one extension arm that rotates horizontally via bearing joints. A suspension assembly having at least one hoist is positioned along the distal end of the outermost extension arm, and a garment coupler is connected to a cable extending from the hoist. Each of the one or more hoists include an adjustable tensioning mechanism that is controlled manually or by a motor having a controller and a switch.

Abstract: A zipper switch for the DC motor of a ceiling fan has an upper shell and a lower shell. The upper shell is pivotally disposed with an activating disk, an elastic element, and a zipper connected with the activating disk. One side of the activating disk has a connecting part that is disposed with a metal plate. Contacts are formed on both sides of the connecting part. The lower shell accommodates the connecting part. A conductive elastic plate is provided on both sides of the metal plate contacts. The rotation of the activating disk enables the contacts of the metal plate to have instantaneous contacts with the corresponding conductive elastic plates that are connected with wires. An instantaneous electrical current is thus produced.

Abstract: A switch (1) for roof lights (2) has: a supporting frame (3); a push-button (7) slidably mounted on the frame (3); a printed circuit, which is associated to the frame (3) and defines two operative positions for a lamp-bulb; and an actuator (13), which is set between the push-button (7) and the printed circuit (8) and is moved by the push-button (7) between the two operative positions; the actuator (13) being provided with a rolling element (18), which can roll on the printed circuit (8) between the two operative positions, and an motion-imparting arm (15), which supports the rolling element (18) and is actuated by the push-button (7) for moving the rolling element (18) itself between the operative positions.

Abstract: A rotational speed switching apparatus includes a seat body in which a rotary shaft is pivotally disposed and a pull rotary assembly for driving the rotary shaft to one-way circularly rotate. Each time the rotary shaft rotates, the rotary shaft rotates by 72 degrees. A stepped conductive ring is fitted around the rotary shaft and has an upper, a middle, a lower and a connecting section extending from the lower section to a bottom of the rotary shaft. The widths of the upper, middle and lower sections are respectively 72 degrees of the circumference of the conductive ring. The interior of the seat body is partitioned into five receptacles at equal intervals. The four contacts cooperate with two capacitors to achieve five-stage switch of the rotational speed.

Abstract: A switching device for a multi-filament electric lamp. The filaments of the electric lamp are electrically connected to arcuate contact surfaces arranged in a circle. The conductive bar is arranged to rotate about the axis of the circular arrangement of contact surfaces. The ends of the conductive bar contact the contact surfaces, and an electric power supply is electrically connected to the center portion of the conductive bar. Current flows into the center portion of the bar and out both ends and through the filaments of the electric lamp in the patterns determined by actuation of a pull-chain to operate the lamp in LOW, MEDIUM, and HIGH states. With the conductive bar in a further, pull-chain determined position, the lamp is OFF.

Abstract: This invention provides a conductive spindle assembly of a pull switch which has an insulation spindle within which is formed three recesses in a periphery of the insulation spindle. A conductive collar is provided for matingly engaging with the insulation spindle. The conductive collar has a conductive base portion and three vertically extending conductive contact tabs. The first and second of the contact tabs extend vertically from a periphery of the base portion and have a first vertical extension height. The third contact tab extends vertically from the base portion and has a second vertical extension height greater than the vertical extension height of the first and second contact tabs. Each of the three tabs is insertable within the recesses of the insulation spindle in a manner providing for the periphery of the spindle assembly to have a substantially continuous cylindrical surface.

Abstract: A wall switch extension control comprises an elongated rod member having a hole through which the switch lever extends and brackets which resiliently, releaseably, slideably, and frictionally engage the elongated rod member. The elongated rod member can be used to manipulate alternate anglular positions of a pivotal switch lever. The elongated rod member is susceptible of being engaged with the brackets and simultaneously engaged with the switch lever, and of correspondingly simultaneously disengaged from the switch lever and the brackets all in one action and without the use of any tools.