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Guard or housing

Subclass of:

451 - Abrading

451442000 - ACCESSORY

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
451451000 Guard or housing 78
20080207098Safety Guard with Clamping Device - The invention relates to a protective hood for a portable tool with a rotary tool, having a clamping device designed as a clamping ring for fastening to a machine neck of the portable tool, and having an anti-rotation locking means for fixing the angular position of the protective hood relative to the portable tool. It is proposed that at least one rotation-locking element (08-28-2008
20080280549Guard Attachment Device - The invention is based on a protective hood fastening device having a fastening element (11-13-2008
20090029636STOPPER FOR CUTTING TOOL - To provide a stopper for a cutting tool capable of getting a correct depth required in a medical treatment field, even if a few kinds of a cutting tool are available, without preparing a many cutting tools, the stopper for a cutting tool is fitted to a rotary shaft of a cutting tool having the rotary shaft, the stopper includes a locking member which has a through hole contacting to the rotary shaft of the cutting tool, a clamping member which is made of a shape memory material, provided at the inner and/or outer side of the locking member and can deform the locking member by its recovering force, and a cutout part reaching to the through hole from an outer peripheral edge thereof in the longitudinal direction of the rotary shaft.01-29-2009
20090036043Cover device for a power tool - A cover device for a power tool with at least one disc-shaped working tool (02-05-2009
20090181604DUST SHROUD FOR ROTARY TOOLS - A dust shroud for rotary tools includes a front half and a back half which are attachable together along an axis thereof to form a dust shroud. The dust shroud is mountable to a rotary power tool after mounting a mandrel in the power tool, and includes one or more openings to allow a person to lock the shaft of the tool while the dust shroud is mounted thereto to allow a person to change a worn out abrasive pad. The dust shroud is particularly suited for use with die grinders and similar rotary tools.07-16-2009
20090197515ADJUSTMENT DEVICE FOR A FRONT GUARD OF A GRIND WHEEL - An adjustment device for the front guard of a grinding wheel machine includes a grip and round rod. The round rod is mounted with a fastening base and one side of the fastening base is furnished with a flat surface to be attached to an inner surface of a guard plate on the front end of a transmission shaft. The flat surface of the fastening base is furnished with symmetrical position beads and screw holes so as to have the guard plate positioned and screwed in place. After the guard plate is adjusted, the grinding wheel on the transmission shaft will simultaneously change direction by changing the direction switch so that the grinding wheel is turned in a different direction.08-06-2009
20090203301Whet-stone receptacle and hand guard - A sharpening device for sharpening operative instrumentation having a gripping handle 08-13-2009
20090209184HAND-HELD POWER TOOL FOR A ROTATING TOOL WITH GUARD - The invention relates to a portable power tool (08-20-2009
20090258584Multi-Shell Air-Tight Compartmentalized Casings - A molded tool casing of at least two sections for air-tightly encasing a tool is taught. A seal is inserted into a groove molded into the sealing perimeter of one section. A protruding ridge is molded into the sealing perimeter of a second section that is to be joined to the first casing section is adapted for compressing the seal into the groove providing for an air-tight seal for the two joined sections. The casing sections are contoured to provide air-tightly sealable inner-casing compartments for receiving and encasing tool components. Opposing joining perimeters of the air-tightly sealable compartments are adapted with the grooves and protruding ridges, respectively. The tool casing houses a tool, such as a pneumatic tool, such as a central or self-generating vacuum pneumatic tool, or a non-vacuum tool. The tool casing is molded to have a firm inner layer coated by an outer pliant overmolded layer.10-15-2009
20100015899Surface Abrasion of Objects - A chamber for an abrading apparatus comprising an inlet, an outlet, a main body and an insert, the main body comprising a recess on an inner surface thereof between the inlet and the outlet, whereby, in use, the insert is removably retained in the recess. The apparatus also comprises a housing and actuation means, the chamber being pivotably secured at one end to the housing by a quick release pin, wherein the actuation means is connected to the chamber and operable to cause the chamber to pivot with respect to the housing toward and/or away from the abrasive surface.01-21-2010
20100068980SAFE GUARDING ASSEMBLY FOR A GRINDING GUN - A safe guarding assembly for a grinding gun has a body, a rear protective cap and a front protective cap. The body has a casing. The casing has a front end, a shaft hole and a retaining ring. The shaft hole is formed through the casing. The retaining ring is formed on and protrudes from the front end of the casing around the shaft hole. The rear protective cap is mounted securely around the retaining ring of the casing and has a front end, an inner thread, a through hole and a mounting ring. The mounting ring is formed on and protrudes from the front end of the rear protective cap and has an external surface and an outer thread. The front protective cap is mounted detachably around the mounting ring of the rear protective cap and has an inner thread and a conical segment.03-18-2010
20100167633PROTECTIVE DEVICE - The invention originates from a safety device, in particular for hand-held power tools, with a disk-shaped and rotating tool, and with a base body (07-01-2010
20100210195STOPPER DEVICE FOR GRINDING STONE COVER OF GRINDER - A grinder can include a stopper projection provided to a grinding stone cover and position a stopper abutting portion on a side of a gear housing in order to restrict a position adjustable range through abutment of the stopper projection to the stopper abutting portion in a position where the grinding stone cover has rotated in a rotational direction of the grinding stone by a set angle.08-19-2010
20100304648HAND-HELD POWER TOOL - The invention relates to a hand-held power tool, particularly an angle grinder having a housing that has a flange neck, having a protective device that can be accommodated on the flange neck and that can be pivoted in the circumferential direction, and having at least one device for blocking at least one pivoting direction of the protective device. The invention proposes that the device for locking includes at least one stop and at least one counter-stop interacting with the stop.12-02-2010
20110092141DUST SHROUD FOR A GRINDER - A dust shroud apparatus for a work tool includes a housing having at least two perpendicularly aligned side walls, an exhaust tube coupled to the housing, and a mounting system coupled to the housing. The mounting system is adjustable to permit the housing to be secured to a plurality of different sized work tools. The apparatus also includes a cut wheel having an outer edge substantially aligned with the at least two perpendicularly aligned side walls.04-21-2011
20110151757Grinder Having Mechanism for Regulating Rotation of Wheel Guard - A grinder includes a housing, a gear cover attached to the housing by a plurality of screws, a spindle case attached to the gear cover, a wheel guard rotatably mounted on the spindle case for covering approximately a half of a disc-shaped tool bit attached to a spindle, a stop piece that regulates the rotation of the wheel guard. The wheel guard is selectively fixed to and unfixed from the spindle case. The stop piece is fixed to the housing together with the gear cover by at least one of the plurality of screws. The stop piece has an abutting section at which the stop piece abuts the wheel guard to regulate the rotation of the wheel guard. The abutting section is located at a position deviated from an axial line of the at least one of the plurality of screws.06-23-2011
20110177765Sharpener for tweezers - The sharpener includes a generally conical body, a base upon which the body is mounted and a hollow head mounted over the body. A shaft extends beyond the body and into the head. A cutting disk with an abrasive surface is situated within the head and fixed to the shaft. A motor situated within the body is provided for rotating the shaft. The head has an opening though which tweezers may be received such that the tweezers may be sharpened by the rotation of the cutting disk. The debris created by the sharpening process is captured within the head. The motor is energized by connection with an electrical source through series connected pushbutton switches. The switches are located remotely, preferably on opposite sides of the body, to reduce the chance of accidental energization of the motor.07-21-2011
20120108154DISC GRINDERS - A disc grinder includes a grinding wheel cover rotatably mounted to a gear housing about an axis of a spindle. A stopper device can restrict a position adjustable range of the grinding wheel cover of the spindle and includes a first stopper on the side of the grinding wheel cover and a second stopper on the side of the gear housing. The first stopper and the second stopper have stopper surfaces for contacting with each other. An impact absorbing device can absorb an impact produced when the stopper surfaces contact with each other.05-03-2012
20120231710Hand-held power tool system - A hand-held power tool system has a hand-held power tool, a guard unit, and a guard anti-rotation lock unit configured to prevent rotation between the guard unit and the hand-held power tool in a case where a tool of the hand-held power tool breaks during intended operation. The guard anti-rotation lock unit also is configured to prevent rotation between the guard unit and the hand-held power tool at a same time as the guard unit is attached to the hand-held power unit, when the guard unit is in a working position. Preferably, the guard anti-rotation lock unit is at least partially located on a closing unit which includes a clamping band and a pivotable lever. The anti-rotation lock unit preferably includes an anti-rotation lock element provided on the lever.09-13-2012
20120270480Electric Handheld Tool Having an Adjustable Safety Guard - An electric handheld tool having a safety guard which is rotatably adjustably mounted thereto, and which further has a resilient latching means; a counter latching means borne by the electric handheld tool, and which cooperates with the latching means; and a stop means moveable between first and second portions and which cooperates with the latching means such that latching means, and counter latching means are either, on the one hand, held in engagement, or are released from engagement so as to permit selective movement of the safety guard.10-25-2012
20120276823PORTABLE WORKING MACHINE - A portable working machine is provided with a wheel guard partially covering a wheel rotated by a drive source such as an engine, and the wheel guard is retained by a retaining portion of an arm via rubber dampers serving as elastic members. Concave-convex portions are formed on the rubber dampers, a convex-concave portion corresponding to the concave-convex portions is formed in the wheel guard side, and the wheel guard is retained by the arm so that the concave-convex portions are engaged with the convex-concave portion.11-01-2012
20120329375SPINNER WHEEL HOUSING - The invention relates to a spinner gate housing (12-27-2012
20130005226BUFFING APPARATUS FOR PRODUCTION OF RETREADED TIRE - A buffing apparatus for production of a retreaded tire. The buffing apparatus can reliably prevent the scatter of buffing swarf and allows smooth transfer of the tire after the buffing operation. The buffing apparatus for production of a retreaded tire includes a grinder facing the tire and buffing its periphery, upper and lower scatter shields disposed about the grinder, spaced apart from each other in the tire radial direction, and coming in contact with the tire, and left and right scatter shields spaced apart from each other in the tire width (axial) direction and coming in contact with the tire. The left and right scatter shields are of such design as to be turnable from predetermined initial positions outward in the axial directions of the tire.01-03-2013
20130029570INLINE HANDHELD POWER TOOL - A powerhead for a hand held power tool includes a powerhead assembly, the powerhead assembly being operably couplable to a hand held motive source, the powerhead assembly having a rotatable implement, the implement being selectively rotated by the motive source when the motive source is operably coupled to the powerhead assembly, the implement further being rotatable about an implement axis, the implement axis being disposed transverse to a powerhead assembly longitudinal axis, the implement axis intersecting the powerhead assembly longitudinal axis. A hand held power tool and a powerhead of forming a powerhead for a hand held power tool are further included.01-31-2013
20130130603Automatically adjustable protection device for a grinding wheel - A protection device for a grinding wheel includes a containment structure having an operating opening for a grinding wheel, wherein the containment structure includes a fixed portion and a movable portion which can be moved with respect to the fixed portion by means of a motor and which can be blocked with respect to the first fixed portion by means of a magnetic blocking unit. The device further includes a sensor adapted to automatically detect the position of the movable portion, and a control means of the entire device.05-23-2013
20130157550GRINDER - A grinder includes a body having an annular portion, a wheel cover which is attachable to the annular portion, and a wheel cover holding member which holds the wheel cover. The wheel cover has a cylindrical portion which is attachable to the annular portion. The wheel cover holding member has a slide member and a pressing portion which moves the slide member. The pressing portion switches a state between an engagement state in which the slide member is engaged with the cylindrical portion and a disengagement state in which the slide member is disengaged with the cylindrical portion by moving the slide member. The pressing member moves on a second line which is parallelly offset from a first line passing the center of the annular portion in a predetermined direction.06-20-2013
20130165030SHIELD ASSEMBLY FOR A POWER TOOL - The present invention is directed toward a shield assembly for a handheld tool device such as an angle grinder. The shield assembly is selectively repositionable with respect to the cutting tool. A lock mechanism secures the shield assembly in discrete rotational positions relative to the cutting tool. The shield assembly includes a guard member and a bumper member, and an alignment feature configured to align the relative positions of guard member and the bumper member, thereby positing the members in a predetermined relative orientation. With this configuration, the shield assembly is selectively repositionable via a “hands-free” mechanism that permits a user to adjust the position of the shield assembly by simply contacting the shield assembly against a work surface.06-27-2013
20130344780GUARD DEVICE - A guard device includes at least one basic element, at least one fastening element, and at least one guard anti-twist device. The at least one guard anti-twist device includes at least one braking element that, in at least one operating state of a portable power tool, is configured at least to frictionally anti-twist lock the at least one basic element relative to a portable power tool. The at least one guard anti-twist device also includes at least one actuating unit configured to displace the at least one braking element. The at least one actuating unit includes at least one lever element.12-26-2013
20130344781GUARD DEVICE - A guard device includes at least one basic element, at least one fastening element, and at least one guard anti-twist device. The at least one guard anti-twist device includes at least one braking element that, in at least one operating state of a portable power tool, is configured at least essentially at least to frictionally anti-twist lock the at least one basic element relative to the portable power tool. The at least one guard anti-twist device also includes at least one actuating unit configured to displace the at least one braking element. The at least one actuating unit includes at least one screwing element.12-26-2013
20140080391Grinding Tools With Guards - In at least one illustrative embodiment, a grinding tool may comprise a housing including a mount, a shaft extending from the mount along a drive axis, where the shaft is configured to support a grinding wheel for rotation about the drive axis, and a guard coupled to the mount. The guard may comprise a central ring extending around the mount, a shroud extending radially outward from the central ring along a first portion of a circumference of the central ring, and a standoff coupled to a second portion of the circumference of the central ring. The standoff may extend from the central ring along a direction substantially parallel to the drive axis such that the standoff limits rotation of the guard about a tipping axis that is substantially perpendicular to the drive axis.03-20-2014
20140302758PROFILING DEVICE - A profiling device (10-09-2014
20140329447Hinge Assembly for an Angle Grinder Dust Shroud - A hinge assembly for attaching a door member to a main structure is provided. The hinge assembly, in an embodiment, includes a first hinge member securely attached to one of the door member or the main structure; a second hinge member securely attached to the other of the door member or the main structure and rotatably engaging the first hinge member; and a cam/spring assembly configured to bias the door member into an open or a closed position with respect to the main structure.11-06-2014
20140342645Protective Hood Device - A protective hood device with at least one protective hood basic body is configured to at least partially cover an insertable tool of a portable power tool. The protective hood device has at least one functional recess, and at least one covering unit which is mounted on the at least one protective hood basic body so as to be movable relative to the at least one protective hood basic body. The at least one covering unit is configured to cover the at least one functional recess of the at least one protective hood basic body in at least one first position. The at least one protective hood device further includes a locking unit which is configured to lock the at least one covering unit in the at least one first position relative to the at least one protective hood basic body.11-20-2014
451452000 Breakage guard 6
20090036044GUARD LOCK - The invention relates to a protective hood securing device for a portable power tool (02-05-2009
20100210196POWER TOOL - According to an aspect of the present invention, there is provided a power tool including: a wheel guard detachably attached to an attachment portion of the power tool; a fastening portion connected to the wheel guard; and a manipulation lever connected to the fastening portion at one end thereof so that the fastening portion is fastened to or released from the attachment portion by operating the manipulation lever, wherein the manipulation lever is moved to a first position in which the fastening portion is fixed to the attachment portion and to a second position in which the fastening portion is pivotable with respect to the attachment portion, and wherein, when the manipulation lever is positioned at the first position, the other end of the manipulation lever is positioned at an outer circumference of the wheel guard.08-19-2010
20100304649DEVICE FOR PREVENTING REMOVAL OF A FIXING MEMBER OF A WHETSTONE COVER IN A DISC GRINDER - In a configuration in which a fixing screw 12-02-2010
20100323595HAND-HELD POWER TOOL, IN PARTICULAR HAND-GUIDED GRINDING MACHINE - A protective guard is provided for a hand-held power tool, in particular a hand-guided grinding machine. According to the invention, the tool is at least partially covered by the protective guard. The guard is supported in an elastically flexible fashion in the circumference direction of the bearing journal by means of a spring means that prestress locking elements of a locking mechanism in their engaged positions.12-23-2010
20120190280Machine Tool Having a Protective Cover - A machine tool having a protective hood is disclosed. The machine tool has a protective cover which has a clamping joint that can be attached in a flange on the machine with a clamping device. The machine tool also includes a stop device which is configured to limit the relative rotary motion between the protective cover and the flange.07-26-2012
20130149943DEVICE FOR PREVENTING REMOVAL OF A FIXING MEMBER OF A WHETSTONE COVER IN A DISC GRINDER - In a configuration in which a fixing screw is tightened and fixed between opposite ends of an attaching section of a whetstone cover, the fixing screw can be prevented from being removed from the end of the attaching section by fitting a rubber ring to a threaded shank of the fixing screw between opposite ends of the attaching section .06-13-2013
451453000 Collector 16
20090270018DUST-COLLECTION CONTAINER - The invention relates to a dust collection container for a hand-held power tool, especially an electric sander, having a dust extraction connection (10-29-2009
20090298403Dust box and electric tool with the dust box - A dust box includes: an attachment portion configured to be attached to a dust-discharging nozzle extending from a housing of an electric tool; and a dust-collecting portion connected to the attachment portion and configured to store dust particles to be discharged from the nozzle. The dust-collecting portion mainly consists of a box which is made of synthetic resin and configured to be detachably connected to the attachment portion, and a paper bag received in the box and configured to store the dust particles to be discharged from the nozzle.12-03-2009
20100248600DUST COLLECTION FOR AN ABRASIVE TOOL - Dust collection for an abrasive tool is disclosed. In one embodiment, a first dust extraction component extracts dust from an upper part of material that is machined, while a second dust extraction component extracts dust from a lower part of the material by the abrasive tool. The first dust extraction component and the second dust extraction component collect about 100% of dust generated from the material.09-30-2010
20100285728Dust Collection Device for Sanding Tool - A dust collection device for a sanding tool includes a bag having a sidewall with an inner surface and a coupler attacked to the bag. The sidewall comprises at least one filter layer and an outer support layer. A sleeve having an outer surface, a sleeve sidewall, a first end, a second end, and at least one gap at either the first end or the second end is positioned within the bag. The sleeve's first end is positioned adjacent the coupler to direct incoming air towards the sleeve and the sleeve is positioned within the bag such that a bypass volume is present between the outer surface and the inner surface.11-11-2010
20110275293DUST COLLECTING COVER - An object of the present invention is to provide a dust collecting cover for a grinding cup wheel having both excellent practicality and versatility.11-10-2011
20120034856DUST BOX AND ELECTRIC TOOL WITH THE DUST BOX - A dust box includes: an attachment portion configured to be attached to a dust-discharging nozzle extending from a housing of an electric tool; and a dust-collecting portion connected to the attachment portion and configured to store dust particles to be discharged from the nozzle. The dust-collecting portion mainly consists of a box which is made of synthetic resin and configured to be detachably connected to the attachment portion, and a paper bag received in the box and configured to store the dust particles to be discharged from the nozzle02-09-2012
20120184192DUST COLLECTION ADAPTER AND POWER TOOL INCLUDING DUST COLLECTION ADAPTER - To a power tool main body to which a main body spindle rotationally driving a tip tool is provided, a dust collection adapter for collecting dusts generated when a material to be ground is processed by the tip tool is held thereto. The dust collection adapter includes: a dust collection fan rotationally driven by the main body spindle; and a dust collection cover for containing the dust collection fan and covering a diametrical outside of the tip tool. The dust collection fan includes: a fan main body to which a plurality of blade portions are provided; and a threaded shaft portion provided to a center portion of the fan main body. To the threaded shaft portion, a female thread portion thread-coupled to the main body spindle and a male thread portion thread-coupled to a fastening thread member for fixing the tip tool are provided.07-19-2012
20120184193DUST COLLECTION COVER OF DISK GRINDER - A dust collection cover may be made from resin for achieving a reduction in its typical weight. In such a configuration, a disk-shaped grinding stone for grinding a steel material is preferably not attachable due to interference of an attachment-restricting portion. It is preferred that only a cup-shaped diamond wheel for work that generally does not produce heated iron powder or the like is attachable.07-19-2012
20120252328POWER TOOL - In a power tool in which a disc-shaped tool is attached to a spindle that protrudes from a housing, a dust-collecting cover provided on the housing for covering the disc-shaped tool has a tool insertion opening. A rotation stopping tool that stops rotation of the spindle can be inserted into the dust-collecting cover through the tool inserting opening. The duct-collecting cover is provided with a rubber ring that blocks the tool insertion opening such that the opening can be opened and closed as desired.10-04-2012
20130137348DUST COLLECTION HOOD FOR GRINDING MACHINE TOOLS - A dust collection hood installed on a grinding machine tool which includes a driving motor and at least one grinding portion driven by the driving motor to rotate. The dust collection hood includes a circumferential wall surrounding the grinding portion and a dust collection cap. The dust collection cap is coupled with the circumferential wall to form a dust collection chamber to house the grinding portion, and includes a top fastened to the grinding machine tool. The dust collection chamber is formed at a height gradually decreased from the top towards the circumferential wall. The dust collection cap further includes a dust discharge port communicating with the dust collection chamber and an airflow guiding portion to guide airflow from the dust collection chamber to the dust discharge port. Thus a great amount of dust generated during grinding can be discharged via the dust discharge port.05-30-2013
20130149944POLISHING APPARATUS WITH DUSTPROOF HOUSING - A polishing apparatus includes at least one dustproof housing, at least one polishing wheel, and at least one exhaust tube. Each dustproof housing includes a back wall, a plurality of sidewalls extending from the periphery of the back wall, and a front wall opposite to the back wall. The front wall of the dustproof housing defines a working opening and an exhaust opening positioned below the working opening. Each polishing wheel is received in the working opening. Each dust collector is received in one dustproof housing below the polishing wheel, and exposed to the outside via the exhaust opening. Each exhaust tube is fixed to the back wall of the dustproof housing and communicating with the interior of the dustproof housing.06-13-2013
20130273821SYSTEM AND A METHOD FOR INCREASING SAFETY OF USERS OF MACHINING, MANUFACTURING AND PRODUCING TOOLS - The invention relates to a system for angle grinders or any kind of stable or power hand tool cutting and grinding machines which produce or scatter filings. This system including a guard and/or an absorbing device can use of any kind of permanent and/or non-permanent electric and/or magnetic fields to absorb, collect and storage the filings scattered, suspended and produced by the machines and won't let them to damage and hurt the user's eyes and/or body and/or cloth and prevent scattering filings in the air and environment. In addition it provides the possibility for re-using of filings in any and different applications and also the possibility of using any kind of cutting and grinding machines inside non-workshops, dangerous and flammable places like houses, accident scenes and so on.10-17-2013
20130331012Machine Tool, in Particular Hand-Held Machine Tool, Comprising a Releasable Dust Collection Receptacle - A machine tool comprises a dust collection receptacle that is releasably connected to the machine tool. A blow-off neck is arranged on a housing part, and a receptacle neck is arranged on the dust collection receptacle. The two necks can be axially plugged into each other. In the plugged state, supporting surfaces on the dust collection receptacle and on the housing part rest against each other in a planar manner, said supporting surfaces extending at an angle from the longitudinal axis of the plugged necks. The face of one neck forms a first supporting surface.12-12-2013
20130337728PORTABLE POWER TOOL - A portable power tool includes a motor located in a motor housing of the tool and having a rotary output shaft, a working part arranged to be driven by the rotary output shaft, a dust collection container arranged to collect dust produced by the operation of the power tool on a workpiece during use, and a fan. The fan is arranged to be rotated about an axis by the motor to convey the dust to the dust collection container, the axis of rotation of the fan being non-coaxial with the rotary output shaft of the motor. A part of an exterior surface of the dust collection container is formed as a recess into which the motor housing at least partly extends, such that the dust collection container extends at least partly around the motor housing.12-19-2013
20160121455POWER TOOL DUST PORT CONNECTOR MECHANISM - A connector mechanism that connects a dust bag or other accessory to a power tool. The connector mechanism including a collar assembly having proximal and distal ends, the proximal end engaging the power tool and the distal end comprising a plurality of castellations radially spaced about an interior surface thereof for non-selectively engaging a plurality of castellations on the power tool to establish a mating interface between the collar assembly and the dust port; and a plurality of locking members radially spaced about the collar assembly to establish a locking relationship between the collar assembly and the dust port.05-05-2016
20180021905DUST COLLECTION DEVICE FOR ELECTRIC POWER TOOL, ELECTRIC POWER TOOL, AND DUST COLLECTION SYSTEM01-25-2018
451455000 Spark or splash guard 3
20080200103Guard For A Hand-Held Power Tool And Hand-Held Power Tool With A Guard - The invention relates to a protective hood for a hand tool, in particular for an electrical hand tool which has a support area for the attachment of a flange of the hand tool, and with a clamping device for fastening the protective hood to the flange as well as an anti-twist device to secure the angle position of the protective hood relative to the hand tool. It is provided that the support area (08-21-2008
20130280993SCATTERING PREVENTION STRUCTURE OF GRINDING MACHINE - This scattering prevention structure of a grinding machine has: a pair of supporting tables; an X axis saddle, which supports a grinding head such that the grinding head can freely move in the advancing/retracing direction with respect to a workpiece; a Z axis saddle, which supports the X axis saddle such that the X axis saddle can freely move in the rotating axis direction of the workpiece; and a grinding stone cover. The grinding stone cover is fixed to the Z axis saddle such that the grinding stone cover opens in a machining region, and the grinding stone head can freely move, with respect to the grinding stone cover, in the advancing/retracting direction with respect to the workpiece, by having the accordion cover therebetween. With this configuration, the size of the machining chamber is reduced, and shielding performance is improved.10-24-2013
20160039068FULLY ROTATABLE GRINDER GUARD ASSEMBLY AND METHOD FOR MAKING SAME - A fully rotatable guard assembly (02-11-2016
451456000 Suction 20
20080200104High-efficiency dust collecting device with two gateways - A high-efficiency dust collecting device with two gateways is connected with exits of a cover of a sand grinder and above two sanding belt rollers., composed of a first gateway set and a second gateway set, which are both formed integrally with a metallic panel and provided respectively with a first and a second arc-like panel, a first and a second blocking plate, and two first and two second dust-guiding plates. A first and a second gateway are respectively formed between the arc-like panel and the blocking plate so as to suck in the dust or the wood flour generated while grinding a workpiece. The dust or the wood flour is then sucked further to pass through the exits to the collecting device, favored by the dust-guiding plates.08-21-2008
20090181605DUST SHROUD WITH ADJUSTABLE MOUNTING MECHANISM - A universal dust shroud includes mounting brackets held above the shroud body by springs. The brackets move radially and vertically relative to the body to accommodate different angle grinders, and allow vertical movement of the shroud body relative to the grinding disk while using the grinder to allow the user greater control over the angle grinder.07-16-2009
20090181606VACUUM SHROUD FOR USE WITH DRILLING TOOLS - A flexible vacuum shroud provides an improved seal to the work surface and allows for use on curved surfaces. The shroud incorporates support structures around the cutting tool hole which improve performance with different cutting tools and which prevent collapse of the shroud.07-16-2009
20090311954FLEXIBLE ENCLOSURES FOR MAINTENANCE OPERATIONS - A containment assembly is described that includes a flexible enclosure and a panel attached to the flexible enclosure. The flexible enclosure includes a first opening that defines a periphery that is operable for attachment around a work area. The panel is attached to the enclosure about a periphery defined by a second opening in the enclosure. A sealable access port is also associated with the enclosure, operable to provide a user with access to an interior of the enclosure.12-17-2009
20100048110Dust-disposal assembly for machine tool - A dust-disposal assembly for a machine tool comprises a dust-collection chamber settled in a cutting area of the machine tool and a dust-block board settled on the dust-collection chamber for covering an opening of the dust-collection chamber, wherein the dust-block board serves to retain cutting dust in the dust-collection chamber.02-25-2010
20100112918JEWELRY BENCH DUST SHIELD - A jewelry bench dust shield including a base attachable to a jewelry bench, an arm pivotally attached to said base, and a dust shield attached to said arm. A jewelry bench dust shield including a vacuum triggering pivoting arm, a trigger holding arm pivot base attachable to a jewelry bench, and a face plate connected to said arm. A jewelry bench dust shield including a base attachable to a jewelry bench, a vacuum trigger connected to said base having a write connectable to a vacuum, an arm pivotally attached to said base, said arm having an extension portion which depresses said trigger when arm is lowered, and which releases said trigger when arm is raised, and a face plate connected to said arm.05-06-2010
20100197211GRINDER AND CORE DRILL WITH DUST COLLECTION - A core drill or a grinder power tool design is disclosed herein also incorporated to a dust collection apparatus. The tool has a motor portion and a shaft portion, the shaft portion being characterized by a hollow shaft together with a casing forming a conduit for the dust created during coring or grinding applications. A harness is provided to the collection apparatus and the overall design is portable and functional right-handed or left-handed. A ring gear configuration is provided to transfer shaft power at a right angle. Further, several bearings are introduced to align shafts and absorb thrust created while applying pressure to a work piece. Power is additionally supplied to the power tool via a special modification to the collection apparatus.08-05-2010
20100285729ANGLE GRINDER DUST SHROUD WITH UNITARY ADJUSTABLE MOUNTING COLLAR - A universal dust shroud includes a unitary mounting bracket on top of the shroud body. The bracket includes a plurality of collar sections attached to the body via a ‘Z’ shaped joint which allows the collar sections to move radially inwardly and outwardly relative to each other to accommodate different angle grinders. The bracket may include slots formed at the base of the bracket. The slots allow air to flow in through the slots, out past the grinding disk, and to the vacuum port. As such, the slots can aid in cooling the grinder output and bearings, and helps keep dust and debris away from the bearings in order to extend the life of the grinder.11-11-2010
20110021121ANGLE GRINDER DUST SHROUD WITH SLIDEABLE ACCESS HATCH - A dust shroud for an angle grinder includes an access hatch which slides along the shroud body to selectively expose an edge of a grinding disc to allow grinding into a corner. The hatch remains attached to the shroud body in both the open and closed position, making the hatch easier to use and less likely to become lost, resulting in increased worker compliance in properly using the hatch.01-27-2011
20110136419DUST-PROOF STRUCTURE FOR MACHINE TOOLS - A dust proof structure for a machine tool includes a flow guiding element located therein. The machine tool includes a housing chamber to hold a spindle and the flow guiding element. The housing chamber has an air intake section and an air discharge section communicating with the air intake section. The machine tool further has an air inlet communicating with the air intake section and an air outlet communicating with the air discharge section. The spindle is coupled with an action member outside the air outlet. When the spindle drives the action member to operate, the flow guiding element introduces external air through the air inlet to the air intake section, and directs the air to the air discharge section to be discharged towards the action member. Hence dust generated by the action member during operation of the machine tool does not enter the machine tool through the air outlet.06-09-2011
20110250828NEGATIVE PRESSURE DUST COLLECTION STRUCTURE FOR POWER TOOLS - A negative pressure dust collection structure aims to be used on a power tool which is coupled with an application tool operable in a working space surrounded by a dust collection hood. The dust collection hood includes at least one flow conduction vent communicating with an airflow duct through a negative pressure enhancing duct. The negative pressure enhancing duct has a negative pressure enhancing chamber communicating with the flow conduction vent. The negative pressure enhancing chamber is formed at a cross section shrunk gradually from the flow conduction vent towards the airflow duct to increase suction of the negative pressure enhancing duct to collect dust in the dust collection hood. Moreover, the negative pressure enhancing chamber has an opening edge mating the shape of the inner side of the wall of the dust collection hood to increase covering range of the airflow.10-13-2011
20120315833BACKING PLATE UNIT FOR A ROTARY GRINDING MACHINE - A backing plate unit for a rotary grinding machine, includes a backing plate with a front face for mounting a grinding disc and a back face opposite the front face, a drive shaft that can be attached to the tool adaptor of the rotary grinding machine, and a suction hood that is rotatably fixed to the drive shaft. The backing plate 12-13-2012
20130029571DOUBLE SUCTION CHAMBER PLATE - A plate for machining surfaces is provided, comprising a body with bores and channels for aspirating dust, on the top of which a deflector is hooked. Said deflector includes at least one vertical curved wall adapted to define a double suction chamber consisting of a peripheral chamber and of a central chamber.01-31-2013
20130115863DUST COLLECTING ATTACHMENT FOR ELECTRIC POWER TOOL AND ELECTRIC POWER TOOL - A dust collecting attachment that is mounted on a sander includes a suction portion mounted on a portion of a front housing where an output shaft projects, a flexible hose having a front end of the flexible hose connected to the suction portion, a discharge portion connected to a rear end of the flexible hose and a changeable member placed on both a motor housing and the discharge portion. The changeable member allows the discharge portion to be mounted at any position around an axis of the motor housing.05-09-2013
20140011433SURFACE TREATING APPARATUS AND METHOD - A back-up apparatus for use with a surface treating apparatus can include a back-up plate having a pad attachment face and a back-up pad having a first pad face and a second pad face. The back-up apparatus can also include a porous interface layer. The interface layer can include an outer face. The back-up apparatus can also include a layer of a first adhesive on the outer face and extending into the interface layer, and a layer of a second adhesive provided on the layer of the first adhesive. The second adhesive can be selected to releasably adhesively bond to an abrasive sheet. The first and second adhesives can be selected such that the adhesive bond between the first adhesive and the second adhesive is stronger than the adhesive bond between the second adhesive and the abrasive sheet.01-09-2014
20140187128Method and apparatus for cleaning grinding work chuck using a vacuum - A vacuum assembly for removing debris formed on the surface of a work chuck after a wafer grinding process by positioning a vacuum source above the work chuck and then activating the vacuum source.07-03-2014
20140273774WASTE WATER COLLECTION DEVICE AND METHOD OF COLLECTING WASTE WATER DISPELLED FROM A WATER COOLED SAW - Provided is a waste water collection device and a method of collecting waste water dispelled from a water cooled saw cutting the ground.09-18-2014
20140357168Dust Collection System for an Orbital Sander - A dust collection system for an orbital sander is provided to assist a user in containing residual dust particles when sanding. The device includes a stretchable band, a flexible transparent housing, and a vacuum hose portal. The stretchable top band has a fastening system that fastens around the neck of the sander to create a seal. The flexible transparent housing with an open lower portion fastens closely around a lower region of the sander and a sanding plate, which enables a user to have visibility of the area being sanded. The vacuum hose portal connects to a vacuum hose to suck the dust that is created by the sander. The device can be added to a new orbital sander or retrofitted to an existing orbital sander. The device enables a user to sand in a conventional manner while preventing the spread of dust and debris when using an orbital sander.12-04-2014
20150093973COMPACT VACUUM - A vacuum may include a housing, a filter, a motor-fan assembly, and a flue. The housing defines a chamber having a circular cross-section. The filter may have an annular shape and is disposed in the chamber of the housing. The motor-fan assembly includes a motor drivably coupled to a fan, such that the fan is mounted above the motor. The motor and the fan are enclosed in a casing, and the casing is disposed in an opening of the filter. The fan draws air into the chamber via the intake port and upward through the filter into the casing of the motor-fan assembly. The flue defines an exhaust path from the casing to the exhaust port, whereby air drawn into the casing is discharged via the flue outside the chamber of the vacuum.04-02-2015
20150328747Sandpaper sheet for use with tools configured for dust extraction - A sander for use with a vacuum extraction system is provided. The sander comprises a body, a releasable retention mechanism on an upper surface adjacent each end of the body, a platen, the platen adjacent to and attached to a lower surface of the body and having a pattern of grooves, an at least one vacuum port extending through the body and platen and positioned such that the grooves in the platen are substantially directed to the at least one vacuum port, wherein the improvement comprises a perforated sandpaper sheet, the perforated sandpaper sheet comprising: an upper sandpaper layer; a lower plastic polymer foam layer; and a plurality of apertures in a plurality of series; the plurality of series of apertures in a pattern configured to align with the pattern of grooves in the platen of the sander, the plurality of apertures occupying about 5 percent of an upper surface area of the sandpaper sheet.11-19-2015

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