Abstract: A sliding table assembly includes a sliding seat unit slidably mounted to a base unit. Two auxiliary sliding seats are slidably mounted to the base unit and disposed on two sides of the sliding seat unit. A connection member is connected between the auxiliary sliding seats. Two roller sets are respectively mounted to the auxiliary sliding seats. Each roller set has rollers to roll on the base unit. A driving screw rod is coupled to the sliding seat unit and embraced by the auxiliary seats. When the sliding unit is moved by the driving screw rod, it pushes the auxiliary sliding seats to slide together therewith.

Abstract: A lamp holder with improved structure includes an upper plate and a lower plate mounted to a ceiling; the upper plate has a top and a bottom with each disposed with multiple reinforcement ribs; a circular wall is disposed to the bottom; two accommodation spaces are defined by the circular wall and those reinforcement ribs on the bottom with each accommodation space disposed with a conduction reed secured in place by an elastic member; two sockets are provided to the lower plate for insertion by pins from an energy saving lamp and to constitute a conducted circuit with the conduction reed.

Abstract: A lamp holder with improved structure includes an upper plate and a lower plate mounted to a ceiling; the upper plate has a top and a bottom with each disposed with multiple reinforcement ribs; a circular wall is disposed to the bottom; two accommodation spaces are defined by the circular wall and those reinforcement ribs on the bottom with each accommodation space disposed with a conduction reed secured in place by an elastic member; two sockets are provided to the lower plate for insertion by pins from an energy saving lamp and to constitute a conducted circuit with the conduction reed.

Abstract: A base for the installation of a plurality of energy-efficient light bulbs includes: a plurality of light bulb connectors, each of which has at least two conductive terminals; a connecting part, which is connected among the light bulb connectors, wherein a wire is provided to electrically connect the conductive terminals of the corresponding electrodes of the light bulb connectors; and at least two quick connection devices provided inside the connecting part for the connection of external lines, each of which is electrically connected with the wire of the corresponding electrode in the connecting part. Therefore, the external lines can electrically connect to the light bulb connectors via the quick connection devices.

Abstract: An improved structure of energy-efficient lamp base includes a fixing base, conductors, two elastic elements, and a bottom cover. The conductors are disposed and fixed in the fixing base by the elastic elements. The conductors go into the wire holes of the fixing base using back hooks, thereby fixing the wires. The bottom cover is inside the fixing base. A blocking part is used to block the wire inside the wire hole and the connecting pin of the energy-efficient lamp. The blocking part serves the purposes of double-blocking and preventing inappropriate contacts between the wires and the energy-efficient lamp. This improves the safety of the invention.

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 bulb holder with an improved structure comprising a bulb socket having a first connector with a first combining segment at one end thereof for being fastened to the bulb socket wherein the first combining segment has a first sidewall perpendicularly extending comprising a first fixing portion, and a base casing having a second connector for being coupled to said first connector, wherein the second connector having a second combining segment at one end thereof for being fastened to the bulb socket wherein the second combining segment has a second sidewall perpendicularly extending that comprises a second fixing portion for receiving said first fixing portion. Through foregoing structure, a bulb holder that can be fabricated easily and combined securely is therefore accomplished.

Abstract: A structure for assembling a bulb holder with an outer shade, including an outer shade and a bulb holder. The outer shade is formed with a central through hole through which a hollow tube is passed. The hollow tube has an outer connecting section on which a locating member is disposed. The bulb holder includes a fixing seat and a base seat for connecting with a bulb. Several support posts axially extend from a circumference of the fixing seat. Each support post has a free end from which a stopper section radially extends. The fixing seat is formed with an inner connecting section with which the outer connecting section of the hollow tube is connected for locating the outer shade between the fixing seat and the locating member. The base seat has an open end distal from the fixing seat. A circumferential wall of the open end of the base seat is formed with multiple recesses in which the stopper sections of the fixing seat are inlaid and located.

Abstract: A brightness control device for a light bulb module utilizes a microcontroller equipped with a first control circuit, a second control circuit, a third control circuit, and a fourth control circuit to maintain an even luminance of each light bulb in the light bulb module of a lighting fixture to avoid the situation that one of the light bulbs is darker than others or even fails to illuminate. Therefore, the lighting artistry of the whole lighting fixture can be maintained, and the total consumed power of all the light bulbs in the light bulb module is capable of meeting the requirement of the maximum rated power consumption of the illumination equipment under the local ordinance.

Abstract: A structure for assembling a bulb holder with an outer shade, including an outer shade and a bulb holder. The outer shade is formed with a central through hole through which a hollow tube is passed. The hollow tube has an outer connecting section on which a locating member is disposed. The bulb holder includes a fixing seat and a base seat for connecting with a bulb. Several support posts axially extend from a circumference of the fixing seat. Each support post has a free end from which a stopper section radially extends. The fixing seat is formed with an inner connecting section with which the outer connecting section of the hollow tube is connected for locating the outer shade between the fixing seat and the locating member. The base seat has an open end distal from the fixing seat. A circumferential wall of the open end of the base seat is formed with multiple recesses in which the stopper sections of the fixing seat are inlaid and located.

Abstract: A connecting structure for connecting a bulb holder with a connecting tube, including a connecting tube, a fitting seat, a connecting seat and a bulb holder. The fitting seat is fitted in the connecting tube. The fitting seat has multiple male stopper sections and a first electric connection section. The connecting seat has a female stopper section, a fixing section and a second electric connection section. The female stopper section is engaged with the male stopper sections of the fitting seat. The second electric connecting section is electrically connected with the first electric connection section of the fitting seat. The bulb holder is fixedly connected with the fixing section of the connecting seat and electrically connected with the second electric connection section of the connecting seat.

Abstract: A lamp socket includes a socket having a bottom from which an outer wall and an inner wall extend. A base is engaged with the space defined by the inner wall and two first wires are connected with the base. Two flexible contact pieces each have a first end fixed to an inner periphery of the outer wall and a second end of each contact piece has a curved portion. Two second wires are connected between the two first ends of the two contact pieces and the two first wires. A cover is engaged with the socket and has a circular hole communicating with the base, and two slots which are located corresponding to the two contact pieces. A first type of lamp is connected to the base and a second type of lamp is connected with the two contact pieces via the two slots.

Abstract: A lampshade-fixing seat structure including a fixing seat for fixing a lampshade. The fixing seat is substantially bowl-shaped and has a circumferential wall with a predetermined height. The lampshade is formed with an annular groove having outer rims. The lampshade-fixing seat structure further includes more than two stopper leaf springs. Each of the stopper leaf springs has a fixed section fixed on inner face of the circumferential wall of the fixing seat. The stopper leaf spring further has a first stopper section inward obliquely extending from the fixing section and a second stopper section obliquely extending from one end of the first stopper section in reverse direction. The first and second stopper sections of the stopper leaf spring resiliently abut against the outer rims of the annular groove of the lampshade to locate the lampshade in the fixing seat.

Abstract: A ceiling fan includes a bottom hood with a tube which has a passage defined axially therethrough and a fixing device is connected to the tube and includes a compartment in which a first connection member is received. A first end of the first connection member extends through a radial through hole in the tube and enters the passage. A first pushing member biases the first connection member away from the tube. A light unit has a connection protrusion which extends through the bottom hood and is inserted into the tube. A second connection member is connected to the connection protrusion and is engaged with the first end of the first connection member to combine the ceiling fan and the light unit.

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 connecting assembly of a ceiling fan for fixing blades includes a connecting device mounted to a motor of the ceiling fan and a seat having multiple grooves radially defined in a bottom of the seat. The grooves extend to an outer periphery of the seat. A channel is laterally defined in one side of each of the multiple grooves and laterally communicates with the groove. A buckle is movably received in a corresponding one of the channels. A bracket has a first end inserted into a corresponding one of the multiple grooves and a second end adapted to connected to a blade of the ceiling fan. Each bracket has an indentation laterally defined for selectively partially receiving the buckle to hold the bracket in place when the first end of the bracket is inserted into the corresponding one of the multiple grooves in the seat.

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 connecting assembly of a ceiling for fixing blades includes a connecting device mounted to a motor of the ceiling fan and a seat having multiple grooves radially defined in a bottom of the seat. The grooves extend to an outer periphery of the seat. A channel is laterally defined in one side of each of the multiple grooves and laterally communicates with the groove. A buckle is movably received in a corresponding one of the channels. A bracket has a first end inserted into a corresponding one of the multiple grooves and a second end adapted to connected to a blade of the ceiling fan. Each bracket has an indentation laterally defined for selectively partially receiving the buckle to hold the bracket in place when the first end of the bracket is inserted into the corresponding one of the multiple grooves in the seat.

Abstract: A suspension device for a ceiling fan includes a bracket mounted on the ceiling. A bearing seat is engaged in the bracket. A central hole is defined and extends through the bearing seat. A first slot and a second slot are defined in an inner periphery of the central hole. A first indention and a second indention are defined in a top portion of the bearing seat. A cover is mounted to the top portion of the bearing seat. The cover includes a first channel defined to communicate with the first slot and a second channel defined to communicate with the second slot and the second indention. A shaft is partially received in the central hole. A pin extends through the hollow shaft and has two opposite ends selectively engaged in the bearing seat.

Abstract: A suspension device for a ceiling fan includes a bracket mounted on the ceiling. A bearing seat is engaged in the bracket. A central hole is defined and extends through the bearing seat. A first slot and a second slot are defined in an inner periphery of the central hole. A first indention and a second indention are defined in a top portion of the bearing seat. A cover is mounted to the top portion of the bearing seat. The cover includes a first channel defined to communicate with the first slot and a second channel defined to communicate with the second slot and the second indention. A shaft is partially received in the central hole. A pin extends through the hollow shaft and has two opposite ends selectively engaged in the bearing seat.