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| Number | Title | Issue Date |
| 8028425 | 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 blad... | 10/04/2011 |
| 7343683 | Battery powered circular saw A battery powered circular saw includes a rechargeable battery removably attached to the housing and an adjustable shoe pivotally attached to the housing for controlling a depth of cut. A locking mechanism for preventing relative movement between the adjustable shoe... | 03/18/2008 |
| 7290472 | Miter saw with improved safety system Miter saws are disclosed having a base, a blade supported by the base, a detection system adapted to detect a dangerous condition between a person and the blade, and a reaction system associated with the detection system to cause a predetermined action to take place... | 11/06/2007 |
| 7225545 | Power tool with an eccentrically driven working tool A power tool, in particular a circular saw, for eccentrically a rotatable working tool and, in particular, a circular saw blade, includes a roller device (13) supported on a tool housing (6) and having at least two roller pairs (12, 16) each hav... | 06/05/2007 |
| 7144311 | Foot unit for abrasive cutting-off machine The invention described here entails a work device (such as an abrasive cutting-off machine) that can be comfortably guided in a work position and is stable in a turned-off position without components relative to safety being exposed to increased wear. In particular... | 12/05/2006 |
| 7131205 | Electric powered rotary saw An electric powered rotary saw for cutting medical cast or the like includes a cylindrical housing, a removable longitudinally extending mounting member and a rotary circular saw blade disposed at one end of the mounting member. The saw blade is fixed to a shaft for... | 11/07/2006 |
| 7101295 | Power transmission device and portable power working machine provided with the same A power transmission device is disclosed which is capable of easily, swiftly and appropriately altering the distance between the axes of a pair of transmission wheels such as pulleys, enabling an endless belt to be kept under constant and appropriate tension without... | 09/05/2006 |
| 6996909 | Battery powered circular saw A battery powered circular saw includes a rechargeable battery removably attached to the housing and an adjustable shoe pivotally attached to a guard assembly for controlling a depth of cut. A locking mechanism for preventing relative movement between the adjustable... | 02/14/2006 |
| 6925718 | Tool head A tool head for a motor-driven, manually guided implement for receiving a rotatable cutter tool is provided. The tool head comprises a housing in which is provided a tool shaft that is rotatably mounted via bearings. Secured on the tool shaft so as to turn with it i... | 08/09/2005 |
| 6857191 | Rotary knife having vacuum attachment A rotary knife having a ring blade that defines a closed loop cutting surface for cutting material which the ring blade contacts during rotation. Materials cut using the blade such as meat cut from a carcass or trimmed from a piece of meat are suctioned away from th... | 02/22/2005 |
| 6785971 | Electric powered rotary hacksaw An electric powered rotary hacksaw includes a cylindrical housing, an integral longitudinally extending mounting member and a rotary circular hacksaw blade disposed at one end of the mounting member. The hacksaw blade is fixed to a shaft for rotation about an axis w... | 09/07/2004 |
| 6668463 | Grout removing tool A cutting and grinding tool for removing grout from between tiles comprises a rotatable cutting disc formed with a plurality of radially extending teeth about the circumference of the disc. A drive gear engagable with the teeth is rotated by a power drill... | 12/30/2003 |
| 6560880 | Rotary internal toothed saw A versatile saw that can be used as a high-branch-pruning saw, etc., employing an annular internal toothed saw disk having internal teeth on its internal circumference. Each of a pair of openable holders support the periphery of an annular two-piece inter... | 05/13/2003 |
| 6442841 | Device in connection with hand-operated working machine A device in connection with a hand-operated working machine with a water flow directed to the working tool comprises a first control which is a control (15) for a drive motor (3) for the tool, and a second control which is a control (17) for the water sup... | 09/03/2002 |
| 6374501 | Portable, combustion engine powered cutting or sawing machine A portable, combustion engine powered cutting or sawing machine comprises a rear part (1) with a motor housing (3) with a combustion engine (4), an engine block (5) with a crank house, and a front part (2) with an annular blade (30) and a blade holder (31... | 04/23/2002 |
| 6336273 | Device to hold and guide an annular shaped saw blade A device in connection with a cutting machine with an annular saw blade and with a driving mechanism for off-center drive of the blade. The device includes two first rollers arranged to contact and roll against the web of the saw blade on one side of the ... | 01/08/2002 |
| 6243956 | Driving device A drive wheel for off-center drive of an annular saw blade in a cutting machine, consists of at least two components, which are separable but held together during operation, namely a holding disc and a drive ring, the latter having an encircling drive gro... | 06/12/2001 |
| 5966820 | Sheetrock panel cutting device A sheetrock panel cutting device that is attachable to the end of a conventional metal tape ruler and uses that same tape ruler to not only measure the opening but to also guide the cut of a sheetrock panel while accomplishing both these functions without... | 10/19/1999 |
| 5856715 | Portable electrical power tool having a rare earth permanent magnet motor A power tool is provided having a housing with a handle for an operator, a rare earth permanent magnet motor oriented within the housing having a rotary output portion operatively driving an implement. The motor has a relatively high horsepower output for... | 01/05/1999 |
| 5529532 | Minature motorized annular hand held dental saw A miniature motorized hand held dental saw wherein, like with a coping saw, the axis of rotation of the handle of the dental saw is tangent with the outer diameter of the blade. This important characteristic, combined with the use of a flexible blade, ena... | 06/25/1996 |
| 5369886 | Portable annular blade power saw A light weight electric-powered radial saw intended to cut overhead limbs employs a housing having a forwardly direction U-shaped receiving yoke, and a rearwardly directed fitting which receives an elongated handle. An annular saw blade is rotatively supp... | 12/06/1994 |
| 5038474 | Device for a circular saw A fluid cooling device for a circular saw of centerless type having a ring-shaped saw blade, designed to be rotated about a fictitious center of the saw blade and with at least one disc (8, 108), mounted on the radially inner side of the ring-shaped saw b... | 08/13/1991 |
| 5009011 | Annular saw blade and annular saw with driving means for a saw blade An annular saw blade has a outer periphery with cutting or tearing members (15), an inner periphery or inner edge and an annular web portion (16) between the inner and outer peripheries. The saw blade (8) has at least one annular drive surface of a flexib... | 04/23/1991 |
| 4987935 | BI-directional tree saw A tree saw includes a frame adapted to be attached to the boom of a prime mover, a tree clamping mechanism on the frame, and a carriage assembly on the frame below the clamping mechanism. The carriage assembly includes a generally plate-like chassis, a ge... | 01/29/1991 |
| 4960157 | Bush and tree cutter A method and apparatus for cutting trees and bushes including a circular disk having cutting teeth connected thereto, a motor for rotating the disk and an arm connected to the motor for moving the disk into contact with trees and bushes.... | 10/02/1990 |
| 4956918 | Guide bar for the saw chain of a motor-driven chain saw The invention is directed to a guide bar for the saw chain of a motor-driven chain saw and includes a base body section on which a nose assembly section for the saw chain is releasably attached. The nose assembly section is attached to the base body secti... | 09/18/1990 |
| 4817692 | Ring saw An improved ring saw having a disk-shaped saw body with a cutting ring mounted to rotate about the saw body. The cutting ring has an inwardly directed flange that fits within a slot in the peripheral edge of the saw body. Cutting teeth are mounted in the ... | 04/04/1989 |
| 4800650 | Annular circular saw blade The invention relates to an annular circular saw blade (8) with imaginary center axis and with a plane of symmetry (19) which is perpendicular to the imaginary center axis, an inner rim section (14) with a first drive surfaces (22) provided to work in con... | 01/31/1989 |
| 4793065 | Circular saw with annular saw blade In an annular saw force-exerting mechanism (56, 57) is provided so as to act on flange-equipped support rollers (40, 41) for the saw blade (8). The support rollers have at least one flange (44) engaging a groove in the web portion of the saw blade. The fo... | 12/27/1988 |
| 4646607 | Annular saw blade In an annular saw, that is to say a circular saw with an annular saw blade, the saw blade is adapted to rotate about an imaginary center axis by being driven via a drive shaft which is parallel to the center axis and has a fulcrum between the annular saw ... | 03/03/1987 |
| 4593733 | Tree felling head having a rim driven rotary cutter A tree felling head which includes a frame having a grapple mounted thereon with a grapple jaw which may be selectively opened and closed to respectively receive and grasp a standing tree and power means to selectively open and close the grapple; and a se... | 06/10/1986 |
| 4472880 | Annular saw blade and annular saw In an annular saw, that is to say a circular saw with an annular saw blade, the saw blade is adapted to rotate about an imaginary center axis by being driven via a drive shaft which is parallel to the center axis and has a fulcrum between the annular saw ... | 09/25/1984 |
| 4352241 | Device relating to a circular saw blade of centerless type A circular saw blade of centerless type which has a sawing depth greater than the radius of the circle, comprises an annular blade and at least one central disc provided inside the annular blade. The central disc contains at least one conduit or passage f... | 10/05/1982 |
| 4316328 | Annular power tool Apparatus for rotating an annular or ring shape tool such as a saw blade or grinding wheel. The tool is rotated by a power driven drive roller acting on a face of the ting tool. A rigid arm supports guide rollers which in turn support the tool. The guide ... | 02/23/1982 |
| 3930310 | Stable power ring tool A portable power tool having an annular ring tool, such as a saw blade or grinding wheel, driven on its periphery by a power unit. A ring tool housing carries the ring tool and is mounted to the power unit, the latter having a drive shaft roller which fri... | 01/06/1976 |
