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Cheng, Taichung
Chen-Chen Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20090039113 | Electric caulking gun - An electric caulking gun has a body, a gearbox, a caulking barrel, a pushing device, a driving assembly, an actuating assembly, a motor and a power source. The body has a mounting section and a handle section. The gearbox is mounted in the body and has a seat and a mounting sheath. The caulking barrel is connected to the gearbox. The pushing device is connected movably to the gearbox and has a rack, a linking sheet, two pushing shafts and a pushing disc. The driving assembly is mounted in the gearbox. The actuating assembly is mounted between the gearbox and the body. The motor is mounted in the body between the mounting section and the mounting sheath of the gearbox. The power source is connected detachable to the handle section of the body. | 02-12-2009 |
| 20090221222 | ELECTRIC GRINDING GUN - An electric grinding gun has a body, a gear reduction device, a holding cap, and an actuating device. The body has a casing, a rechargeable battery, a protective circuit board, a switch, a trigger, a motor, a cooling fin and a mounting barrel. The gear reduction device is rotatably mounted in the mounting barrel and has a seat, two planet gears and a gear ring. The seat is rotatably mounted in the mounting barrel and has a shaft hole, two gear recesses and a connecting axle. The holding cap is securely mounted around the mounting barrel to hold the gear reduction device in the mounting barrel and has an inner thread and a through hole. The actuating device is connected detachably to the seat of the gear reduction device and has a panel and an adhering layer. | 09-03-2009 |
| 20100009608 | ELECTRIC POLISHING GUN - An electric polishing gun has a body, a rechargeable battery, a drive motor, a transmitting device and an actuating device. The body has a battery seat, a handle section, a circuit board, a switch, a trigger and a holding cap. The rechargeable battery is attached detachably to the battery seat of the body to supply electric power to the electric polishing gun. The drive motor is mounted in the body, is electrically connected to switch, the trigger and the rechargeable battery and has a rotating shaft and multiple engaging teeth. The transmitting device is connected to the drive motor, is mounted in the holding cap and has a bevel gear and a mounting bracket. The actuating device is connected detachably to the transmitting device and has a cover, a drive shaft, an eccentric segment and an actuating segment. | 01-14-2010 |
Chia-Hsin Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20110048203 | Workpiece Supporting Device Of A Circular Sawing Machine - A workpiece supporting device of a circular sawing machine includes a base frame for rotatably supporting a worktable and having an arcuate surface region which defines an angularly extending guiding route. A platform is disposed on and is movable along the guiding route, and has an upper mounting surface that cooperates with the worktable to support a workpiece. A tightening mechanism is displaceable between unmovable and movable positions, where the platform is brought into tight and loose engagements with the arcuate surface region. An actuator is coupled with the tightening mechanism is operable to displace the tightening mechanism. The platform is movable along the guiding route when the tightening mechanism is in the movable position such that the worktable is turnable within a relatively large angular range. | 03-03-2011 |
Chi-Han Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20110226875 | Spray switch for spray gun - A spray switch for spray gun includes an elastic wire buckled to a main pipe of the spray gun. The elastic wire has symmetric lateral portions and symmetric guide pins on two ends thereof. A press handle pivoted to a main body of the spray gun is capable of controlling a flow of water. The press handle has an open slot for slidly arranging the spray switch. The spray switch is assembled by a guide block and a buckle unit. The guide block has symmetric guides and recesses on two lateral sides for guiding and holding the guide pins. The spray switch can be switched up and down along the open slot to switch the guide block for engaging or ignoring the guide pins so as to switch the spray gun between modes of auto spray and manual spray. | 09-22-2011 |
Chih-Ching Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20100006862 | Substrate for fabricating light emitting device and light emitting device fabricated therefrom - The invention provides a substrate for fabricating a light emitting device and the light emitting device fabricated therefrom. The substrate includes at least one platform region having a first facet direction for epitaxial growth; and a plurality of continuous protruded portions surrounding the at least one platform region to isolate the at least one platform region from another platform region, wherein the first facet direction is substantially excluded from facet directions of the plurality of continuous protruded portions. Since facet directions of the plurality of continuous protruded portions substantially do not include the first facet direction, during formation of the light emitting device, epitaxial growth is mainly conducted on the at least one platform region, which may prevent epitaxial defects from generating and enhance external quantum efficiency of the light emitting device. | 01-14-2010 |
Chih-Ming Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20120055458 | CUTTING DEVICE WITH A LIQUID LEVEL DISPLAY - A cutting device includes an accommodation chamber having a through hole, a cover plate covering the accommodation chamber, and a cutting unit carrying a cutting element that is partially submerged in a cooling fluid in the accommodation chamber. A liquid level display is provided in fluid communication with the through hole in the accommodation chamber for indicating the level of the cooling fluid so that a user can conveniently ascertain in real time, from outside the cutting device, the current amount of the cooling fluid retained within the accommodation chamber and can add cooling fluid to the accommodation chamber as needed in real time, thus achieving improved performance in cooling and lubricating the cutting element. | 03-08-2012 |
Chin-Cheng Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20100183252 | Component for Linear Guideway and Method for making the same - A component for linear guideway and method for making the same, wherein the component is an end cap or a bolt cover which is made by bulk molding compound which is injected into a mold and formed into the desired shape by thermal setting. The component can be an assembly made up of a plurality of members, namely, an inserting member which is provided for passage of rolling elements can be formed simultaneously when the component is molded by plastic injection molding. The inserting member is formed by: injecting metal powder into a first mold and forming into an inserting member with acceptable rigidity and precision; putting the inserting member into a second mold and bulk molding compound; then the die material is formed into the desired component by thermal setting directly on the inserting member. | 07-22-2010 |
Chi-Yuan Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20080218368 | Position Sensing Feedback Wireless Transmission System - A position sensing feedback wireless transmission system comprises: a movable carrier, a sensing head, a scale and a display or a controller. When the present position of the movable carrier is required to know, the sensing head can be utilized to transmit the measured information data back to the display or the controller in wireless manner. Since the position sensing feedback wireless transmission system of the present invention adopts the wireless technology, in addition to save the connecting wires cost, it can be relatively simply used in the machine. Consequently, for the design of the mechanism required to measure the long distance, the unit with a plurality of running wires can be dispensed with. | 09-11-2008 |
| 20090021193 | DC Motor with a Rotation Direction Switching Circuit - A DC motor with a rotation direction switching circuit comprises a second power semiconductor assembly and a first power semiconductor assembly which are switched on and off alternatively by changing the polarity of the DC power source, thus providing an electronic rotation direction switching method. The service life is prolonged and the replacement times relatively reduce, and as a result, the material cost and maintenance cost of the rotation direction switching circuit is reduced. Therefore, it can improve the willingness of the user to use the DC motor with the rotation direction switching circuit and relatively improve the economic value of the DC motor. | 01-22-2009 |
Chung-Yi Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20090109463 | MULTI-FUNCTION PERIPHERALS - A multi-function peripheral includes a casing, a scanning module and a printing module. The casing has a recording media path. The scanning module is located on the recording media path for selectively scanning recording media fed into the casing from the recording media path. The printing module also is located on the recording media path for selectively printing the recording media. The recording media are then discharged out of the casing through the recording media path. Thus the multi-function peripheral can reduce the number of elements, simplify replacement of the inkjet cartridge of the printing module, reduce the dimensions, lower the element cost and diminish the complexity of the mechanisms. | 04-30-2009 |
Don-Hua Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20090115261 | Air Floating Linear Motor - An air floating linear motor comprises a fixed part and a movable part. The movable part floats above the fixed part. The movable moves with respect to the fixed part by the magnetic interaction. The fixed part is disposed with a receiving portion for assembling an external device such as a position feedback device or a travel protection device, etc. Therefore, the air floating linear motor is much more simplified and convenient in fabrication and installation. | 05-07-2009 |
Jya-Wei Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20110294724 | LOW HEMOLYTIC ANTIMICROBIAL PEPTIDE, PHARMACEUTICAL COMPOSITION AND USE THEREOF - Disclosed is an antimicrobial peptide having an amino acid sequence of formula presented as (P | 12-01-2011 |
Jye-Yen Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20100213569 | INTEGRATED CIRCUITS HAVING FUSES AND SYSTEMS THEREOF - An integrated circuit includes a fuse over a substrate. The fuse has a first end, a second end, and a central portion between the first end and the second end. A first dummy pattern is disposed adjacent to each side of the central portion of the fuse. | 08-26-2010 |
| 20110092019 | Method for Stacked Contact with Low Aspect Ratio - A method for an integrated circuit structure includes providing a semiconductor substrate; forming a metallization layer over the semiconductor substrate; forming a first dielectric layer between the semiconductor substrate and the metallization layer; forming a second dielectric layer between the semiconductor substrate and the metallization layer, wherein the second dielectric layer is over the first dielectric layer; and forming a contact plug with an upper portion substantially in the second dielectric layer and a lower portion substantially in the first dielectric layer. The contact plug is electrically connected to a metal line in the metallization layer. The contact plug is discontinuous at an interface between the upper portion and the lower portion. | 04-21-2011 |
| 20110241207 | DUMMY SHOULDER STRUCTURE FOR LINE STRESS REDUCTION - Semiconductor integrated circuit line structures for improving a process window in the vicinity of dense-to-isolated pattern transition areas and a technique to implement the line structures in the layout process are described in this disclosure. The disclosed structure includes a semiconductor substrate, and a material layer above the substrate. The material layer has a closely spaced dense line structure, an isolated line structure next to the dense line structure, and a dummy line shoulder structure formed in the vicinity of the dense line and the isolated line structures. One end of the dummy line shoulder structure connects to the isolated line structure and another end extends away from the isolated line structure in an orientation substantially perpendicular to the isolated line structure. | 10-06-2011 |
Kuang-Lieh Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20090087821 | Digital language teaching system - A digital language teaching system is disclosed, in which through an audio control manner, the learner, by utilizing a learning sub-machine, can focus on listening and speaking practice under a simple hardware control and operation, so that the teaching staff and the learner can have a more direct and faster interaction for improving learning efficiency. Moreover, through the output devices of the video device and teaching providing the learner the teaching image and the interactive teaching pictures, the video learning manner can be provided to the learner through the supplemental multimedia teaching materials, so that the teaching staff can teach the learners in accordance with their aptitudes, and the learner can find the most suitable learning method. | 04-02-2009 |
Kun-Lung Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20100181272 | SECTIONAL SHELF - The present invention provides a sectional shelf including vertical support members and the metal wire shelf units transversely assembled between the support members. The shelf unit is made up of the metal wire frames and the flexible shelf board. Threaded rods are protruding at two positions in the spacing of two opposite sides of the shelf units, and on the support member, through holes are set, which have studs made up of convex pipe, a screw hole and a diameter-expanding end cap. The convex pipe crosses the through hole, the end cap connects to the outer side of the support member, and the screw hole is for the protruding threaded rods of the shelf unit inserting into the stud. | 07-22-2010 |
| 20100277045 | MAGNETIC DOORSTOP - The present invention provides a magnetic doorstop, which is attached to the multidirectional joint of the existing sectional shelf. The doorstep includes a block type main part, which is of block type and has an mounting end and a holder; a clamp mouth, which is concave on the mounting end of the main part and displays a v-shape; and a magnetic part set on the holder of the main part. The magnetic doorstop can clamp the edge of corner recess of a multidirectional joint by the clamp mouth, and when the flexible door piece pivots to close, the magnetic part on the holder of the holding magnetic doorstop attracts the magnet at one corner of the frame bar of the flexible door piece and holds it. Thus, the flexible door piece can be held close. | 11-04-2010 |
Liao Kuang Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20100322539 | DUST BAG STRUCTURE EASILY FITTABLE AND CONNECTABLE TO A DUST COLLECTOR - A dust bag structure easily fittable and connectable to a dust collector. The dust bag structure includes a dust bag and a retainer member. The dust bag includes a soft bag body having an open end. The open end is coaxially fittable and connectable to a collection tube of the dust collector. The retainer member is disposed around a periphery of the open end of the dust bag for fixing the dust bag with the collection tube. The dust bag further includes a connection section positioned at the open end for connecting with the retainer member, whereby the open end is looped with and connected with the retainer member. | 12-23-2010 |
Mengfeng Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20110139904 | SHOWER HEAD - A shower head comprises an upper watering set including a tube having a channel formed therein, a first disc including a bottom wall, and a connection defined between the tube and the first disc and including an arcuate internal wall formed therein, between the internal wall and the bottom wall being defined plural radial passages; a lower watering set connected to the upper watering set and including a top surface disposed on a top end thereof and having a conical guiding peg inserted to the receiving chamber, the guiding peg including an arcuate periphery extending downward and outward to correspond to the internal wall; plural distances between the top surface and peripheral fences of the passages being equivalent to form a number of gaps so as to adjust flowing amounts in the passages individually; the top surface including a plurality of spouts relative to the passages to spray water flowers. | 06-16-2011 |
| 20120037731 | Fluidic oscillator - A fluidic oscillator contains at least one channel including an interacting cavity disposed therein, a first inlet communicating with the interacting cavity to flow fluid inward, and a first outlet communicating with the interacting cavity to spray the fluid flowing through the interacting cavity outward, characterized in that: at least one turbulent flow passage is used to guide the fluid to flow into the interacting cavities from one of two opposite first longitudinal walls of the interacting cavities so that a turbulent flow effect is generated in the interacting cavities, and then the fluid flows out of the first outlets to generate oscillatory spray. | 02-16-2012 |
Meng-Feng Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20110049271 | Fluid Spraying Device - A fluid spraying device comprises a fluid oscillator used to oscillate fluid to generate spraying water and including an inlet, at least one power nozzle, an interacting chamber, and an outlet, characterized in that: the fluid oscillator including a first portion and a second portion; a connection of the first and the second portions communicates with the power nozzle to flow fluid through a predetermined traveling position, and the first portion includes the inlet and a section of the power nozzle, and the second portion includes the outlet and another section of the power nozzle, by using an interaction of the first and the second portions, a cross sectional area of the fluid at the connection of the first and the second portions is changed to adjust spraying water from the outlet. | 03-03-2011 |
| 20110073678 | Adjustable module spray head and adjusting method thereof - An adjustable module spray head and adjusting method thereof comprises a module core unit having a holder, a distributing set rotating relative to the holder, two plugs, and a rotable positioning structure between the holder and the distributing set; the module core unit is used to assembled with various spray heads with different watering levels to meet different demands by selecting an installing position of a levering pin of the rotable positioning structure and by removing at least one stator or a rotor of the adjustable levering assembly. | 03-31-2011 |
Ming-Chung Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20090296221 | LENS HOOD FOR A CAMERA LENS - A lens hood for a camera lens has a mounting barrel and a holding ring. The mounting barrel is hollow, is movably mounted around the camera lens and has an internal surface, a front end, a rear end, a sliding recess and at least one detent. The sliding recess if formed in the internal surface of the mounting barrel and has two ends. The at least one detent is formed adjacent to, communicating with and deeper than the sliding recess; two detents may be formed respectively at the ends of the sliding recess. The holding ring is resilient, is mounted securely around the cameras lens, is mounted in and presses the sliding recess and is selectively mounted in the at least one detent to allow the holding ring to relax and prolong usage lifetime. | 12-03-2009 |
Tian-Lai Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20090194221 | METHOD FOR MANUFACTURING BALL WITH COLOR IMPRESSION - Disclosed is a method for manufacturing a ball with color impression. The ball includes an inflatable bladder, which is enclosed by a reinforcement layer and further wrapped by a body layer and a color composite sheet. The method includes a process for making the color composite sheet, which include a step of making a color film, which is made of a porous material having minute pores and on which a pattern is printed, with the pores maintained after printing, and a step for making a transparent layer, which is made by heating a material for making the transparent layer into a flowable liquid form for filling into the pores of the color film to form the color composite sheet, wherein the printed pattern that is formed on the color film is observable through the transparent layer. | 08-06-2009 |
Yi-Jen Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20090034212 | Digital video recorder with a fast-detaching hard disk assembly - A digital video recorder with a fast-detaching hard disk assembly has case, an ejector frame and a hard disk. The case has an opening and cover corresponding to the opening. The ejector frame has a hard disk housing, two X-frames, and is raiseably mounted in the case corresponding to the opening. The hard disk is mounted on the hard disk housing. To remove the hard disk from the case, a person removes the cover and the hard disk housing will automatically raise through the opening for easy replacement, removal or maintenance access. | 02-05-2009 |
| 20090196593 | ADJUSTABLE SURVEILLANCE CAMERA - A surveillance camera comprises a base, a back plate, a holding bracket, a pivoting bracket, a lens frame, a camera lens assembly and multiple positioning devices. The back plate is attached rotatably to the base along a first rotating axis. A first positioning device is mounted between the base and the back plate and has multiple lumps and cavities engaging respectively with the lumps. The pivoting bracket is pivotally connected to the holding bracket along a pivoting axis, and a second positioning device is mounted between the pivoting bracket and the holding bracket. The lens frame is rotatably attached to the pivoting bracket along a second rotating axis, and a third positioning device is mounted between the pivoting bracket and the lens frame. The camera lens assembly is securely attached to the lens frame. Accordingly, the angle of the camera lens assembly is easily and conveniently adjusted. | 08-06-2009 |
| 20090309968 | Accessorizable security camera - An accessorizable security camera has at least one functional accessory and a camera body having a case, security camera optoelectronical module, a front cap assembly and a rear cap. The case is tubular and has a front opening, a rear opening, an outer surface and at least one guiding structure. The at least one guiding structure may be a recess being formed longitudinally on the outer surface of the case. The at least one functional accessory may be a weather cover, an auxiliary light source, an auxiliary mounting bracket, a motion sensor, a combination thereof or the like. The at least one functional accessory has a mounting structure corresponding to the guiding structure and being selectively and detachably mounted in the guiding structure. Therefore, the at least one functional accessory may be easily mounted on the camera body by using the mounting structure to increase flexibility of use. | 12-17-2009 |
| 20090315994 | SECURITY CAMERA WITH MAGNETIC ADJUSTOR - A security camera with magnetic adjustor has a camera body and a front cap assembly. The camera body has a case, an optoelectronical module and at least one magnetic adjustor. The optoelectronical module is coaxially mounted in the case and has a camera lens. The at least one magnetic adjustor is a telescopic rod, is mounted radially on the camera lens and has a distal end and an inner magnet being mounted in the distal end. The front cap assembly has at least one adjustment guide. The at least one adjustment guide is rotatably mounted on the case and has an outer magnet corresponding to the inner magnet of a corresponding magnetic adjustor. A size of the optoelectronical module is changeable for lower production costs since the magnetic adjustors are telescopically adaptable to different camera cases. | 12-24-2009 |
| 20100002370 | Digital video recorder with an ejector frame assembly - A digital video recorder with an ejector frame assembly has a body, at least one hard disk, a front panel and an ejector frame. The body has a case and a cover. The case has a top surface, a bottom inner surface and an opening. The opening is formed through the top surface of the case. The cover selectively covers the opening. The ejector frame mounts the hard disk, is raiseably mounted on the bottom inner surface and is disposed facing to the opening. A person may slide the cover and lift the ejector frame to remove the hard disk easily. | 01-07-2010 |
| 20100013922 | Surveillance camera - A surveillance camera has a case, an optoelectronical module and an assistant light module. The optoelectronical module is mounted securely inside the case and has a camera lens and a contact pad module. The contact pad module is a printed circuit board that has at least two contact pads thereon and is mounted adjacent to the camera lens. The assistant light module is detachably mounted around the camera lens and has an assistant light unit. The assistant light unit is detachably mounted around the camera lens and has at least two contact members. Each contact members is disposed corresponding to one of the at least two contact pads and is electronically contacted to a corresponding contact pad when the assistant light unit is mounted in the case. | 01-21-2010 |
| 20110090335 | SURVEILLANCE CAMERA CAPABLE OF RECORDING COLOR OR MONOCHROME IMAGES BASED ON TIME SETTINGS - A surveillance camera has a sensing module, a micro-control unit (MCU) and a real-time clock (RTC) unit. The sensing module records original images. The MCU is connected to the sensing module and stores multiple time settings and a smart timer process. The MCU executes the smart timer process to operate the surveillance camera in a color mode, a monochrome mode or an auto mode based on the time settings. In the color mode, the surveillance camera records color images. In the monochrome mode, the surveillance camera records monochrome images. In the auto mode, the surveillance camera selectively records color images and monochrome images based on a variation between light level of the original images and a predetermined light level. Therefore, the surveillance camera can be set to operate in specific mode based on requirements. The surveillance camera is more flexible and convenient than conventional surveillance cameras. | 04-21-2011 |
Ying Chou Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20100295430 | Tool organizing device - A tool organizing device includes a housing having two side walls, a rear wall, a bottom wall, a front opening, and a peripheral fence extended from an upper wall for forming a compartment in the peripheral fence for receiving tool members, and having a number of rails for slidably attaching drawers, and having a number of apertures formed in the side walls for hooking tool members, a tray is selectively and detachably attached to the bottom wall with four posts and includes a peripheral fence extended upwardly from a board for forming a compartment above the board and within the peripheral fence and for receiving tool members, a panel is selectively attached to the housing for hooking tool members. | 11-25-2010 |
Ying-Huey Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20110098458 | Isolated Nucleic Acid Molecules From Transgenic Papaya Line 16-0-1 Resistant To Papaya Ringspot Virus And Use Thereof - Provided is an isolated nucleic acid molecule having a right border flanking region, a left border flanking region and a transgene sequence between the right border flanking region and the left border flanking region, wherein the right border flanking region having at least 90% homology with the sequence set forth in SEQ ID NO: 29; the left border flanking region having at least 90% homology with the sequence set forth in SEQ ID NO: 31; and the transgene sequence having a papaya ringspot virus coat protein gene and a promoter operably linked to the papaya ringspot virus coat protein gene. Primers, probes and kit derived from the isolated nucleic acid molecule are proved to be useful for identifying the transgenic papaya line 16-0-1 in a specific, reproducible, sensitive and reliable way. | 04-28-2011 |
| 20110098459 | Isolated Nucleic Acid Molecules From Transgenic Papaya Line 18-2-4 Resistant To Papaya Ringspot Virus And Use Thereof - Provided is an isolated nucleic acid molecule having a right border flanking region, a left border flanking region and a transgene sequence between the right border flanking region and the left border flanking region, wherein the right border flanking region having at least 90% homology with the sequence set forth in SEQ ID NO: 30; the left border flanking region having at least 90% homology with the sequence set forth in SEQ ID NO: 32; and the transgene sequence having a | 04-28-2011 |
Yuan-Tai Cheng, Taichung TW
| Patent application number | Description | Published |
|---|---|---|
| 20100043643 | AIR FILTER WITH A CLOG-DETECTING DEVICE - An air filter with a clog-detecting device includes a housing having a wind outlet and a wind intake, a filter unit positioned between the wind outlet and the wind intake, an exhauster disposed between the wind outlet and the filter unit, a magnetic induction unit positioned on the exhauster, and a warning unit assembled on the housing and electrically connected with the magnetic induction unit. A metallic plate is axially fixed on the rotating spindle of a motor and positioned adjacent to the magnetic induction unit, having its upper side formed with at least one projection to enable the magnetic induction unit to induce the metallic plate and produce pulse signals. Thus, by detecting the frequency of the pulse signal, a user can know whether the air filter is clogged or not and proceed to remove the clogged condition to let the air filter continue to work normally. | 02-25-2010 |
| 20100126126 | COLLAPSIBLE FILTRATION TANK FOR A DUST COLLECTOR - A collapsible filtration tank for a dust collector includes an outer frame, an engaging base and a filter. The outer frame is formed cylindrical, having plural meshes formed in its circumferential wall, a chamber surrounded by the circumferential wall, an opening formed at the bottom of the chamber, and a combining flange formed around the opening. The engaging base is formed annular, installed around the opening of the outer frame, and possessing an annular blocking edge extended inwards from its intermediate inner wall for being fixed with the combining flange. The filter is inserted in the chamber of the outer frame and restrictively blocked by the blocking edge of the engaging base. Thus, the filter can be independently replaced with a new one instead of shifting the whole filtration tank, saving using cost. | 05-27-2010 |