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| Number | Title | Issue Date |
| 7363843 | Securing device for securing blade of cutting tools A securing device for securing a blade of a cutting tool includes a clamp assembly, a bolt, a resistant slice and a driving member. The clamp assembly has two clamp members between which the blade is clamped. The bolt extends into the clamp assembly and is screwed i... | 04/29/2008 |
| 7343841 | Blade clamp assembly A blade clamp assembly for retaining a rotary blade on the arbor of a rotary tool includes a blade washer for engaging the blade to hold the blade on the arbor and a clamp assembly threaded into the arbor to clamp the blade washer against the blade. The clamp assemb... | 03/18/2008 |
| 7338273 | Cutter machine A cutter machine has a knife holder 13 mounted onto a cutter shaft 6 at the center portion, wherein a material to be cut is cut with knives 15 mounted onto the outer circumference of the knife holder 13 by rotating the knife holder 13 | 03/04/2008 |
| 7308763 | Sealant cutting tool with quick release, repositionable blade A sealant cutting tool including a handle defining a blade slot. Also included is a clamping bolt having a clamp axis transverse the blade slot, which clamping bolt is threadably engaged with the handle. In addition, a âTâ pull is operatively associated with the... | 12/18/2007 |
| 7287310 | Method of forming and attaching a blade that can receive both symmetrical and asymmetrical arbors A method of forming a rotating blade for a cutting machine that can attach to either symmetrical arbors or asymmetrical arbors. The arbor mounting hole has five sides arranged in a cut gem configuration. The arbor mounting hole is symmetrical on either side of a mid... | 10/30/2007 |
| 7258601 | Machining apparatus A machining apparatus, comprising: a mounting member to be rotationally driven; a tool support member mounted on the mounting member; and a fixing member, fixed to the mounting member, for fixing the tool support member to the mounting member. The mounting member ha... | 08/21/2007 |
| 7258515 | Tool holding fixture and insert tool The invention is based on a tool holder for a power tool (i0), in particular for a hand-guided power angle grinder, having a slaving device (12) by way of which an inserted tool (14), which has a disklike hub (64), can be operatively conn... | 08/21/2007 |
| 7254891 | Lawn cutting device A lawn cutting device includes a handle having a hollow connecting part that has a bottom end portion defining a bottom opening and a driving member having an output shaft that is received in the connecting part of the handle and that extends outwardly through the b... | 08/14/2007 |
| 7225713 | Cutting blade for a motor-driven, manually-guided implement A cutting blade for a motor-driven implement is provided. The cutting blade has a main body having a central fastening opening and blade sections that extend approximately radially from the main body. The blade sections have edges that extend in a radial direction a... | 06/05/2007 |
| 7210386 | Quickly detachable protective cover unit of a table sawing machine The quickly-detachable protective cover unit of a table sawing machine includes a protective cover, a non-return plate, a protective plate, a combining plate and an extending plate. The extending plate positioned at one side of the saw blade of a table sawing machin... | 05/01/2007 |
| 7210474 | Saw blade with cutting depth gauge Cutting tools are provided that include a circular core with a cutting means located on its periphery, a central bore to receive an arbor of a rotating power tool and one or more perforations extending through the central core. The perforations are disposed along a ... | 05/01/2007 |
| 7143995 | Motorized cam actuator A motorized cam actuator for linear actuation of an apparatus. An actuating motor shaft is fitted with a bushing having first and second opposed flats and a threaded portion at an outer end thereof. With the motor mounted to a pedestal, the bushing is rotated on the... | 12/05/2006 |
| 7137329 | Circular saw clutch assembly A circular saw clutch assembly includes an elongated rod that is coupled to a table saw assembly. A peripheral flange is integrally attached to the rod. The flange has a plurality of ball bearings mounted therein. A first washer abuts the flange and includes a plura... | 11/21/2006 |
| 7117863 | Saw blade for cutting fiber cement An improved circular saw blade designed for cutting fiber cement workpieces, which are becoming more and more prevalent on the construction site, includes a PCD/carbide tip (16) mounted in the rim (31) of the saw blade (10) at six, rather than t... | 10/10/2006 |
| 7013987 | Clutch assembly and clamp mechanism for rotary tool disc As system for clamping an rotary tool accessory disc or blade to an output shaft of a rotary tool comprising a cam clamping mechanism and a clutch assembly wherein the cam clamping mechanism comprises: a head element threadably engageable with the output shaft at a ... | 03/21/2006 |
| 7004157 | Rotary cutting saw with improved heat dissipation performance A rotary cutting saw including: (a) a base disk which has a plurality of apertures formed therethrough and opening in axially opposite end surfaces thereof; (b) a plurality of abrasive segments which are fixed to an outer circumferential surface of the base disk; an... | 02/28/2006 |
| 6953197 | Quick-action locking device for an electric power tool A quick-action locking device for an electric power tool including a locking spindle (4) axially displaceable in the hollow spindle (2) of the electrical power tool between a working tool locking position and a working tool exchange position, and a loc... | 10/11/2005 |
| 6938532 | Hand machine tool comprising two cutting disks, which rotate counter and immediately adjacent to one another, and means for chucking the cutting disks for a hand machine tool of this type In a power tool with two cutting wheels (11, 12), which rotate past each other in opposite directions, rest directly against each other, and can be driven by two drive spindles (14, 15) disposed concentrically to each other, and with a tool fitting ( | 09/06/2005 |
| 6929000 | Apparatus and methods for aligning a center of mass with a rotational axis of a shaft or spindle Centering elements for effectively reducing the clearance between a shaft and a rotatable element, such as a blade-fixing flange of a dicing saw for semiconductor substrates or carrier substrates, installable thereon are disclosed. In addition, the centering element... | 08/16/2005 |
| 6912789 | Multipurpose rotary cutting tool having interchangeable heads A multi-purpose rotary cutting tool having a plurality of interchangeable head attachments, wherein the head attachments are easily attached and detached to a rotary cutting device, thereby providing various tools for a multitude of applications. ... | 07/05/2005 |
| 6912755 | Clamping device of a rotating tool A clamping device of a rotating tool includes a first clamping plate and a second clamping plate. The first clamping plate includes a snap groove disposed at the center of the first clamping plate and having a bored hole disposed at a center of the snap groove and a... | 07/05/2005 |
| 6910694 | Electrical tool with a quick-action clamping device A quick-action clamping device for a power tool includes a clamping spindle (4) arranged in the hollow spindle (2) of the power tool, an elastic member (5) for biasing the clamping spindle (4) into its clamping poition, in which the worki... | 06/28/2005 |
| 6842988 | Device in a portable power tool A locking assembly for a portable, engine-powered, hand tool, such as a clearing saw. To facilitate removal and installation of a rotatable cutting tool (13), a rotatable shaft (11) driving the cutting tool is locked against rotation by a movable locki... | 01/18/2005 |
| 6813984 | Attaching device A device for attaching two units (17,18) provided for rotation in unison about an axis, having axial and radial attachment of the units relative to each other. The attaching involves first engagement members (28,29) engageable with each other and provi... | 11/09/2004 |
| 6813837 | Bi-directional rotation pneumatic cutting machine A bi-directional rotation pneumatic cutting machine includes an operation section which has an actuator to drive an output shaft to rotate in two directions and a fastening mechanism coupled on the output shaft. The fastening mechanism includes a coupling head which... | 11/09/2004 |
| 6732612 | Blade exchanging device and blade exchanging method therefor With a blade exchanging device, a cylindrical body is engaged with a nut that is fastened to a spindle, and at the same time the nut is held by fitting nails of a chuck member with grooves that are formed on the nut. Next, a torque wrench is inserted through the cyl... | 05/11/2004 |
| 6729220 | Spring loaded diamond arbor A spring loaded diamond shaped arbor for use in a saw blade. The arbor includes comprised of a diamond shaped plate having four peripheral side walls with four corners therebetween that separate the four side walls. The arbor has a central opening that is configured... | 05/04/2004 |
| 6685546 | Automatic abrasive sleeve tightening means and quick release system for an oscillating spindle sander A quick release system for an oscillating spindle sander comprises a linearly elongated shaft inserted and housed within a cavity of a sanding drum. A top washer comprising a central aperture and a pair of downwardly projecting prongs aligned about a circ... | 02/03/2004 |
| 6536129 | Centering device for a saw blade A device for centering tools, such as saw blades, rotary cutters and the like which are circular and which have bores of different sizes, on processing machines such that they can be positioned about their center axes. The device includes a mount adapted ... | 03/25/2003 |
| 6439091 | Clutch mechanism A power tool includes a motor, an arbor driven by the motor, a rotatable cutting tool disposed on the arbor and having a rotational axis, the cutting tool further having a hole, first and second clamps connected to the arbor and clamping the blade, wherei... | 08/27/2002 |
| 6382065 | Removable pulley wheel arrangement and associated band saw apparatus An idler pulley wheel arrangement for a bandsaw includes a non-rotating idler shaft and an idler pulley wheel assembly positioned on the shaft for rotation relative thereto. A latch mechanism is positioned on an end of the shaft and includes a latch part ... | 05/07/2002 |
| 6250188 | Ultrasonic vibration cutting method and apparatus An ultrasonic vibration cutting method comprising mounting and fixing a part to be cut on a mounting table, moving down an ultrasonic vibration rotation unit, stopping the downward movement of the ultrasonic vibration rotation unit when the cutting blade ... | 06/26/2001 |
| 6244149 | Blade and motor carrier with height/angle adjustment mechanism A machine tool has a work table which defines a working surface and has a cutting tool which is attached to and movable with respect to the work table. The cutting tool extends through a removable throat plate. An integral arbor wrench is provided which i... | 06/12/2001 |
| 6148526 | Manually driven machine A handheld machine tool, for example a circular saw, has a disk-shaped tool which is driven in rotation in a housing which holds a drive motor and a tool shaft carrying the tool. The tool can be clamped between a clamping nut, a clamping screw, and two su... | 11/21/2000 |
| 6109157 | Arbor locking mechanism An arbor lock mechanism for use with an arbor of a table saw. The mechanism includes a bearing plate connected to the frame of the table saw and through which the arbor rotates. The mechanism also includes an arbor lock plate connected to the bearing plat... | 08/29/2000 |
| 6098514 | Ultrasonic vibration cutter A disk-shaped cutter extending in a direction perpendicular to the central axis of a resonator is detachably installed on the resonator which is molded substantially cylindrical with a fastening unit.... | 08/08/2000 |
| 6030326 | Automatic blade changing system An automatic blade changing system of a dicing machine uses a blade which is fixed to an auxiliary stopper member provided with a thread which is engaged with a thread of a spindle. The automatic blade changing system consists of two blade holding means w... | 02/29/2000 |
| 5927175 | Stationary and indexable cutter A cutting device for cutting elongate flat-walled tubular stock into preselected lengths which cutting device includes opposed circular cutting blades that are laterally movable to effect a transverse cut across the tubing. The cutting blades are rotatabl... | 07/27/1999 |
| 5778751 | Mounting structure for cutting blade of dicing apparatus A blade mounting structure in which a mounted blade is rotated in a well-balanced condition and further the blade can be easily attached to and detached from the apparatus is provided, which structure comprises a mount including a flange and a first cylin... | 07/14/1998 |
| 5477845 | Saw blade and mounting means for the same A saw blade having a central aperture for mounting on an arbor of a concrete cutting machine is disclosed with the arbor having a raised mounting boss corresponding in shape and size to the central mounting aperture of the saw blade. The central mounting ... | 12/26/1995 |
