Class / Patent application number | Description | Number of patent applications / Date published |
030388000 | Rotary | 44 |
20090007440 | POWER CUTTER - A power cutter comprising: a housing | 01-08-2009 |
20090013540 | Tool Unit - A tool unit for a handheld power tool having an oscillating output unit, having a fastening means ( | 01-15-2009 |
20090293291 | CORDLESS CIRCULAR SAW - A circular saw including a motor housing having a first end portion and a second end portion, a motor assembly disposed within the housing, a rotary blade assembly having a predetermined weight mounted to the first end portion of the motor housing, and a battery pack having a predetermined weight disposed on the second end portion of the motor housing. The battery pack and the rotary blade assembly are configured and arranged to be in longitudinal alignment with one another, and the longitudinal alignment of the battery pack with the rotary blade assembly promotes counterbalancing between the predetermined weight of the rotary blade assembly and the predetermined weight of the motor housing. | 12-03-2009 |
20100050446 | Laminate flooring saw - A laminate flooring saw system which can be used for both rip cuts and miter cuts in one embodiment includes a fence, a base including a first locking member configured to cooperate with the fence to lock the fence along a first fence axis, a second locking member configured to cooperate with the fence to lock the fence along a second fence axis, the second fence axis perpendicular to the first fence axis and a support arm positioned above the base for supporting a power tool. | 03-04-2010 |
20100180454 | ELECTRIC SAW DEVICE - An electric saw device includes a first saw blade and a second saw blade. The first and the second saw blades are respectively driven by a small transmission shaft and a large transmission shaft to rotate in opposite directions. A round rib is disposed on an inner end surface of the first saw blade, and at least three recessed holes are arranged in a top end surface of the round rib at equal angle intervals. A steel ball is accommodated in each of the recessed holes, and protrudes out of the recessed hole. Protruding ends of the steel balls urge against an inner surface of the second saw blade, so as to limit a distance between the first saw blade and the second saw blade, and form a rolling friction when the first and the second saw blade rotate in the opposite directions. Further, a power output shaft of the electric saw device is joined with the small transmission shaft of the first saw blade through a key connection structure, so as to ensure that the saw blades do not tilt after installation. | 07-22-2010 |
20110088267 | Worm Drive Saw - A power tool for cutting a workpiece including a casing, an auxiliary handle assembly extending from the casing, a motor disposed at least partially in the casing, and a drive transmission operably coupled to the motor. The drive transmission outputs a driving force in response to an input from the motor. A spindle locking mechanism is provided that is selectively positionable between a retracted position spaced apart from the drive transmission and a locked position engaging the drive transmission. The spindle lock mechanism thereby prevents rotation of the drive transmission in response to actuation of a pad member. The pad member can be positioned adjacent to the auxiliary handle to permit single-handed holding of the power tool and actuation of the pad member. | 04-21-2011 |
20110167651 | CIRCULAR SAW - A circular saw in which cutting speed of a saw blade is smoothly controlled. A speed change mechanism of a circular saw includes first and second rotating shafts disposed parallel to each other, and first and second gear trains having different gear ratios and each having a combination of a drive gear and a driven gear as one unit which are engaged with each other and transmit torque of the first rotating shaft to the second rotating shaft. A torque transmission path via the first gear train is defined as a first power transmission path and a torque transmission path via the second gear train is defined as a second power transmission path, and the transmission path is switched between the first power transmission path and the second power transmission path. | 07-14-2011 |
20110308097 | CUTTING TOOL FOR THE SEVERANCE OF BOARD-LIKE WORKPIECES - Cutting tool for the severance of board-like or web-like workpieces (P), in particular of building boards, floorboards, rigid or flexible material or the like, also as sheet or web material, with a counterbearing, particularly in the form of a support ( | 12-22-2011 |
20130174427 | Power Tools - A power tool is provided with a perforated material remover to remove perforated material from power tool cutting implements. The power tool also includes a rip guide which has a long guide edge and two attachment points to the shoe/base of the saw. The rip guide is attached to the base/shoe via a pair of L-shaped openings that accept L-shaped support arms of the rip guide. The rip guide can also be folded for compact storage. The power tool also includes dual bevel scales for quickly and easily setting the bevel angle on the power tool. | 07-11-2013 |
20130205604 | Shaft Bearing Device for a Hand-Held Power Tool - A shaft bearing device for a hand-held power tool, in particular for an angle grinder and/or a circular saw, includes at least one first support unit and at least one second support unit which are intended to axially and/or radially support a bearing element of a shaft. At least one of the at least two support units is formed at least partially by a plate element that has at least one axial and/or radial bend. | 08-15-2013 |
20140000118 | YIELDABLE DRIVE MECHANISM FOR A TOE-KICK SAW | 01-02-2014 |
20140208600 | Saw Assembly with Bevel Gear Drivetrain - A saw assembly including a housing, a motor, a first bevel gear, and a second bevel gear. The motor is located in the housing and includes a motor shaft configured for rotation relative to the housing. The first bevel gear is operably connected to the motor shaft for rotation with the motor shaft. The second bevel gear is operably engaged with the first bevel gear, such that rotation of the first bevel gear causes rotation of the second bevel gear. The arbor assembly is operably connected to the second bevel gear. The arbor assembly is accessible for mounting an accessory thereto from an accessory side of the housing. The arbor assembly defines a first axis of rotation. The first bevel gear is located between the second bevel gear and the accessory side of the housing along the first axis of rotation. | 07-31-2014 |
20140215839 | POWER TOOL, SUCH AS A PORTABLE CIRCULAR SAW, HAVING IMPROVED BRAKING AND COOLING - A power tool, for example, a portable circular saw, includes a fan, a motor configured to rotate the fan, an output part or shaft driven by the motor, a motor housing that houses the motor, a grip housing connected to the motor housing, a trigger associated with the grip housing, and a brake member configured to brake a rotation of the motor, the brake member being mounted inside the grip housing. The brake member may be a resistive element of a rheostatic braking system. The housing and fan are configured such that cooling air is directed to cool the brake member. | 08-07-2014 |
20140245621 | Saw with Increased Depth of Cut - A circular saw includes a housing assembly and a drive motor assembly coupled to the housing assembly. An output member is driven by the drive motor assembly. A shoe is adjustably mounted to the housing assembly. A circular saw blade has a diameter of about 7.3 inches. The shoe can be adjusted to provide a depth of cut that is greater than or equal to about 3.0 inches. | 09-04-2014 |
20140245622 | Saw with Increased Depth of Cut - A circular saw includes a housing assembly and a drive motor assembly coupled to the housing assembly. An output member is driven by the drive motor assembly. A shoe is adjustably mounted to the housing assembly. A circular saw blade has a diameter of about 7.3 inches. The shoe can be adjusted to provide a depth of cut that is greater than or equal to about 3.0 inches. | 09-04-2014 |
20150020391 | Power Tool with High-Speed Electric Motor - A hand-held power tool includes a motor having a stator and a rotor, the motor being configured to rotate the rotor at a speed of at least 40,000 rpm, an output shaft directly driven by the rotor, a tool accessory shaft configured to support a tool accessory, and a two-stage speed reducing transmission operably connecting the output shaft to the tool accessory shaft. The two-stage speed reducing transmission is configured to drive the tool accessory shaft at a rate less than the rotor speed, for example, at a rate less than or equal to 37.5% of the rotor speed. | 01-22-2015 |
20150040408 | DUAL AXIS HOOK ASSEMBLY FOR A POWER TOOL - A power tool includes a housing and a hook assembly. The hook assembly includes a hook support and a hook member. The hook support is rotatably attached to the housing for rotation about a first axis. The hook member has a shank portion and a hook portion. The shank portion defines a second axis that is transverse to the first axis and is configured to rotate with respect to the hook support about the second axis. The hook portion extends in a radial direction from the shank portion. The rotation of the hook support about the first axis alters an orientation of the shank portion of the hook member with respect to the housing, and the rotation of the shank portion with respect hook support alters the radial direction of the hook portion. | 02-12-2015 |
20150107122 | Multi-material ripping snips - Snips and scissors that have traditional cutting blades in conjunction with cutter wheels attached and used for cutting sheet materials to be faster and more efficient than conventional snips and scissors, a tool with no conventional scissor blades but uses arms to attach the cutter wheels still using the scissors action to cut and also make gliding cuts in sheet materials with a safety cutter wheel assembly and embodied in children's type safety scissors, a tool that allows interchangeable wheels to be replaced for a new set or removable for sharpening of either the blade or the cutter wheels also a set of plinking | 04-23-2015 |
20150128429 | Power Tool and Transmission Thereof - The disclosure relates to a transmission for a power tool, comprising an input gear driven by a driver, an intermediate shaft carrying first and second intermediate gears, the first intermediate gear being meshed with the input gear, an output shaft carrying an output gear, the output gear being meshed with the second intermediate gear for driving a tool bit, and proximal and distal bearings supporting proximal and distal ends of the intermediate shaft respectively. The first intermediate gear is formed with a receptacle portion which is recessed from a proximal end surface of the first intermediate gear in an axial direction towards a distal side, the proximal bearing being received in the receptacle portion at least in part in the axial direction. The disclosure also relates to a power tool comprising the above transmission. The disclosure provides a compact and robust structure. | 05-14-2015 |
20160185003 | OSCILLATING TOOL WITH MODIFIED MOUNTING INTERFACE FOR INCREASING CUT DEPTH - An accessory tool for an oscillating tool includes a first metal plate and a second metal plate fixed together to form a body having a first end portion formed by the first metal plate and a second end portion formed by the second metal plate. The first end portion defines a linear cutting edge, and the second end portion defines a drive interface for mounting the accessory tool onto a tool holder of an oscillating tool. The second metal plate includes an overlapping portion that overlaps a portion of the first metal plate. At least one of a first lateral portion and a second lateral portion of a leading edge of the overlapping portion is spaced farther away from the cutting edge than a central portion of the leading edge of the overlapping portion. | 06-30-2016 |
20160193673 | ELECTRIC POWER TOOL | 07-07-2016 |
030389000 | With peripheral drive means | 4 |
20090106987 | DRIVE WHEEL - A drive wheel for centerless drive of an annular saw blade of a cutting machine. The drive wheel includes a drive ring having concentrically arranged first and second annular elements, each of which has a first beveled side surface located radially outward from a second beveled side surface. The second beveled side surfaces are in contact with one another and the first beveled side surfaces together define a wedge-shaped drive groove for the inner edge of an annular saw blade that is to be driven by the drive ring. Third and fourth annular elements are arranged concentrically with, and outboard to the first and second annular elements located therebetween. The third and fourth annular elements are configured to inwardly compress upon the first and second annular elements. An anti-relative-rotation member interconnects the first and second annular elements to prevent relative rotation therebetween while driving the annular saw blade of a cutting machine. | 04-30-2009 |
20090199416 | Driver for a Twin Cutting Device with Counter Rotating Blades - The invention relates to a driver ( | 08-13-2009 |
20110167652 | Handsaw with annular saw blade and saw blade drive - The ring-shaped saw blade and an associated saw blade drive are provided as an easy exchangeable tool preset for a hand guided saw. The saw is distinguished by high stability, low weight proper, high flexibility as well as high precision and is suitable for an easily to handle and quick connection with a high speed compact and a hand guided electrical drive unit. The ring-shaped saw blade exhibits circular disposed flank toothing on two sides, wherein the flank toothing runs in a radial direction on two sides. The saw blade with the two cited flank toothings engage into a front side groove of an eccentrically disposed friction wheel, wherein the groove faces of the friction wheel in each case are equipped with the flank toothing which engages into the flank toothings of the saw blade. The saw blade drive comprises a drive wheel on a drive shaft, a drive pinion and a friction wheel on a gear shaft, which is disposed parallel to the drive shaft. The rotary motion of the drive machine was transferred with the drive wheel on the drive shaft onto the drive pinion and the friction wheel on the gear shaft and the friction wheel on the gear shaft and from the friction wheel onto the saw blade. | 07-14-2011 |
20120066918 | CENTERLESS SAW DEVICE - The present invention generally pertains to a saw device. More particularly, the present invention relates to a handheld centerless saw. The saw comprises a frame and a pair of driving rollers mounted to the frame for rotation. The saw also comprises an annular blade mounted between the drive rollers and functionally engaged thereby, where the blade defines frontward and backward hemispheres. At least two guide wheels are mounted to the frame, the guide wheels being positioned in the backward hemisphere of the blade. The guide wheels are operatively engaging the inner circular edge of the blade. A drive assembly mounted to the frame is operable for urging the countersense rotation of drive rollers, thereby causing rotation of the blade. | 03-22-2012 |
030390000 | With guard means | 19 |
20090007441 | Variable dust chute for circular saws - The present invention is directed to a hand-held circular saw with an integrated dust collection system. Such saw may include an upper blade guard for protecting the user from a saw blade, the upper blade guard configured with a front region and a back region, the front region including a hollow channel to control the pathway of dust and debris and a dust collection system incorporated within the front region of the upper blade guard allowing dust and debris to be directed away from the user. | 01-08-2009 |
20090019710 | POWER CUTTER - A power cutter comprising: a housing | 01-22-2009 |
20090049699 | Protective device for hand-held power tool - A protective device for partially covering a working tool ( | 02-26-2009 |
20090064510 | PORTABLE CUTTING MACHINE - According to an aspect of the present invention, there is provided a portable cutting machine including: a housing; a motor; a cutting blade driven by the motor; a saw cover that covers the cutting blade; a base that rotatably supports the saw cover and to be brought into contact with the to-be-processed members; and a changing mechanism capable of changing the protrusion amount of the cutting blade toward the side opposite to the saw cover, wherein the changing mechanism has an adjustment guide extending from the base in the rotation direction of the saw cover and a movement restricting part for restricting the movement of the adjustment guide, and wherein the portion of the adjustment guide on the side farther from the base with respect to the movement restricting part is arranged outside of the saw cover. | 03-12-2009 |
20090133270 | Cutting Apparatus - A cutting apparatus includes a body defining a wall having a groove in which mounted the driving mechanism, which is provided for driving a cutter and includes a fixture mounted thereon for connecting a safeguard and a position adjusting mechanism connected thereto for operably adjusting positions of the driving mechanism in the groove. An adjustable retaining member which selectively moves on the fixture in a first position for retaining the safeguard in the space and a second position for allowing removal of the safeguard. | 05-28-2009 |
20090165312 | Hand-held power tool - A hand-held power tool includes a motor ( | 07-02-2009 |
20090183377 | DUST SHROUD FOR CIRCULAR SAWS - A circular saw dust shroud extends around the open portion of the blade guard to enclose the saw blade. The dust shroud provides improved dust collection while still allowing unimpeded use of the saw. | 07-23-2009 |
20100011598 | Hand-held power tool for driving a disc-shaped working tool - A hand-held power tool for driving a disc-shaped working tool ( | 01-21-2010 |
20100299944 | CUTTING OR SAWING MACHINE - A preferred embodiment of a hand-operated flush cutting machine ( | 12-02-2010 |
20130081287 | Circular Saw Guard System - A saw assembly includes a drive member, a motor, a housing, and a guard. The drive member is configured to be moved in a repeating pattern. The motor is configured to move the drive member in the repeating pattern. The housing defines an interior space in which the motor is positioned. The guard is secured to the housing and includes a partition. The guard defines (i) a first cutting wheel space positioned on a first side of the partition, and (ii) a second cutting wheel space positioned on an opposite second side of the partition. | 04-04-2013 |
20130247390 | Slitter Blade Guard - The invention pertains to safe handling of web slitting knife holders. The device provides an active circular blade guard for covering the sharp edge of a slitting blade. Knife holders are used to slit webs of material into thinner webs, for example cutting a paper web into multiple ribbons. The guard extends to cover the circular blade edge while the slitter is not extended for slitting. | 09-26-2013 |
20140331505 | CUTTING DEVICE - A wind shielding portion is provided in a front side of an exhaust port for cooling air from a motor such that it crosses over a lateral width with respect to a cutting direction. The cooling air which is blown to the wind shielding portion is effectively blown through a ventilation portion having a small ventilating resistance force and towards a marking line guide. Even when the cutting device main body is set at an incline, the cooling air is blown to the wind shielding portion, and is effectively blown through the ventilation portion to the marking line guide. | 11-13-2014 |
030391000 | Movable to nonguarding position | 7 |
20080301954 | AIR POWERED ROOFING SAW WITH GEAR DRIVE - SHINGLESAW™ is a pneumatically powered miniaturized circular saw designed especially for roofing applications. A planetary gear set is provided to reduce the RPMs of the saw an increase torque, allowing the saw to cut though heavy and sticky roofing materials even when used with a low CFM roofer's compressor. | 12-11-2008 |
20090013541 | Protective Cover for a Hand-Held Cut-Off Machine - A protective cover of a hand-held cut-off machine has a bracket that is secured on the exterior side of the protective cover. The bracket is locked in at least one locked position with at least one locking projection in at least one receptacle of the protective cover. The bracket is releasable from the locked position by a movement of the bracket in the release direction. A simple release of the bracket can be achieved in that the protective cover has means that move the locking projection upon movement of the bracket in the release direction at least partially out of the receptacle. | 01-15-2009 |
20090071017 | SAW WITH INCREASED DEPTH OF CUT - A circular saw includes a housing assembly and a drive motor assembly coupled to the housing assembly. An output member is driven by the drive motor assembly. A shoe is adjustably mounted to the housing assembly. A circular saw blade has a diameter of about 7.3 inches. The shoe can be adjusted to provide a depth of cut that is greater than or equal to about 3.0 inches. | 03-19-2009 |
20090183378 | Cutting device - An improved cutting device including a mechanism for selectively guarding the edge of a cutting blade. According to various embodiments, a sliding mechanism is operatively connected to a blade guard, wherein the translational movement of the sliding mechanism causes a corresponding rotational movement of the blade guard. When the blade guard is in an extended position, the edge of the cutting blade is not exposed, thereby preventing a user from accidentally cut by the blade. Various embodiments also provide for an improved blade replacement system. According to various embodiments, a locking member is capable of lifting the cutting blade without the user having to touch the blade itself. | 07-23-2009 |
20110061247 | QUICK-RELEASE STRUCTURE FOR OUTER COVER OF A HANDHELD CIRCULAR SAW - A quick-release structure for outer cover of a handheld circular saw, including a main body, an outer cover, a circular saw blade disposed between the main body and the outer cover, a motor disposed in the main body for driving the circular saw blade and a first, a second, a third and a fourth connection sections. The first and second connection sections are respectively disposed at a first end and a second end of the main body. The third connection section is disposed at a first end of the outer cover corresponding to the first connection section for connecting therewith. The fourth connection section is disposed at a second end of the outer cover corresponding to the second connection section for connecting therewith. The third connection section is angularly and linearly displaceable relative to the outer cover and the first connection section without detaching from the outer cover. | 03-17-2011 |
20110099819 | Safety Guard for Power Saw - A safety guard assembly for use on a handheld power saw is disclosed. The assembly includes a safety guard, a locking mechanism, and a weight. The safety guard is swingably mounted on the hood of the saw. The locking mechanism allows the guard to be swung to an open position and locked in position. In a kick-back situation, the locking mechanism quickly releases. The weight forces the guard to swing rapidly down over the guard, thereby providing protection from the saw blade. | 05-05-2011 |
20110239472 | Lower Blade Guard - A power tool for cutting a workpiece including a casing, an auxiliary handle assembly extending from the casing, a motor disposed at least partially in the casing, and a drive transmission operably coupled to the motor. The drive transmission outputs a driving force to a circular cutting blade in response to an input from the motor. The power tool further includes a movable blade guard pivotally coupled about an axis relative to the casing. The movable blade guard includes an inboard surface, an outboard surface, and an edge surface defining a cavity for receiving the circular cutting blade. The outboard surface defines a cam having a camming tip and a camming portion. The camming portion extends substantially along a radial line from the axis. | 10-06-2011 |