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| Number | Title | Issue Date |
| 7412769 | Chain saw chain tensioning and braking system Disclosed is a chain saw which includes chain saw chain tensioning and braking systems. Tensioning and braking are effected by the presence and control of longitudinal slits in an elongated support which provides a continuous chain channel guide in its outer circumf... | 08/19/2008 |
| 7311029 | Quick-pin blade tensioning device A quick-pin blade tensioning device for a band saw comprises a sliding tension bracket coupled with an upper arm of the band saw. The sliding tension bracket engages an upper band wheel which has a band saw blade coupled to it. A lifting shoe, slidably disposed with... | 12/25/2007 |
| 7287330 | Chain saw automatic tensioner A chain saw automatic tensioner preferably includes a base plate, a chain bar, a tensioning cylinder, a sliding block and a pusher block. The base plate includes a sliding slot that is sized to slidably receive the sliding block. The chain bar includes a substantial... | 10/30/2007 |
| 7276003 | Vertical band saw machine with a speed ratio varying device A vertical band saw machine includes a first transmitting shaft driven by a drive force of a motor, a second transmitting shaft journaling a lower blade mounting pulley for rotating an endless band saw blade, and a speed ratio varying device coupling the transmittin... | 10/02/2007 |
| 7210387 | Vertical band saw machine A vertical band saw machine includes a base, an upright post extending from the base, amounting frame slidably retained relative to the upright post, upper and lower blade mounting pulleys and a tension-equalizing guider pulley rotatably mounted on the mounting fram... | 05/01/2007 |
| 7152329 | Electric jigsaw capable of improved illumination of workpieces An electric jigsaw (1) includes a main housing (2) containing a gear housing (10), a reciprocating rod (11) vertically projecting from within the gear housing, a saw blade (13) coupled to the rod via a coupling ring (12), an... | 12/26/2006 |
| 7077041 | Systems and methods for cutting multi-walled corrugated material A cutting system includes a bandsaw employing a saw blade with an improved cutting edge. The system may employ an upper tensioning assembly and/or a lower tensioning assembly to offset the blade with respect to conventional bandsaw arrangements for applying a contin... | 07/18/2006 |
| 7032749 | Tool case having scabbard with adjustable length A chain saw case has an adjustable scabbard that telescopes to allow for different lengths of chain bar. The scabbard also has an opening along one side to allow visibility of the side of the chain saw bar and any markings, including branding, on the chain saw bar. ... | 04/25/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6944958 | Chain saw chain tensioning and braking system A chain saw which includes chain tensioning and braking systems. Tensioning and braking are caused by the presence and control of longitudinal and lateral slits in an elongated support which provides a continuous chain channel guide in its outer circumference. ... | 09/20/2005 |
| 6918331 | Lighted cutting tools A cutting tool includes a saw blade and a blade case adapted to cover the saw blade. A light may have a light for illuminating a portion of a workpiece that will be cut by the saw blade during a cutting operation. The light may be mounted within the blade case, so t... | 07/19/2005 |
| 6868765 | Contour-cutting machine having a light-weight knife carrier A contour-cutting machine, in particular for foam. A workpiece table (1) with a table gap (4) and a drive (2) for moving workpieces (3) in the longitudinal direction (X). A movable cutting-element carrier (20) with four pulleys ( | 03/22/2005 |
| 6691599 | Cutter guard device for a belt saw machine A cutter guard device is adapted for use in a belt saw machine, and includes a stationary hinge leaf formed with a first knuckle unit, a movable hinge leaf formed with a second knuckle unit, and a hinge pin extending through the first and second knuckle u... | 02/17/2004 |
| 6679149 | Band saw apparatus with blade tensioner and related method A band saw apparatus including a blade under tension and has a frame that includes a pivotably connected drive mount and a rotatable wheel supported by the drive mount. The blade extends about the rotatable wheel. A tensioner is used to set the blade tens... | 01/20/2004 |
| 6595097 | Band saw shielding device of band sawing machine A band saw shielding device is linked with an elevation guiding set of a band sawing machine comprising a wheel on which the band saw runs, and a stop portion. The shielding device comprises a main housing fastened with the elevation guiding set and havin... | 07/22/2003 |
| 6557447 | Band sawing machine having band saw replaceable rapidly A band sawing machine has a band saw which runs on a drive wheel and a driven wheel of the band sawing machine. The band sawing machine is provided with a slide seat to which the driven wheel is pivoted. The band sawing machine is provided with an eccentr... | 05/06/2003 |
| 6199468 | Profile cutting machine The contour cutting machine comprises an endless circulating bandknife (22) which is guided around bandknife pulleys (30-34). To allow adjustment of the cutting strand (23) in the Y-direction, the bandknife (22) forms two loops (28,36) merging into each o... | 03/13/2001 |
| 6196104 | Apparatus for producing sheets of solid surfacing The invention relates to a method for producing sheets of polymeric surfacing, the sheets produced thereby, and the apparatus used to produce the sheets. The method includes providing a solid polymeric slab, and slicing the slab into sheets of surfacing. ... | 03/06/2001 |
| 5497687 | Table-top cutting machine A table-top cutting machine includes a base having an upright support, a motor mounted on the upright support, a belt type cutting tool mounted around a horizontal pulley wheel and a vertical pulley wheel. The cutting tool is stretched at a right angle by... | 03/12/1996 |
| 5377571 | Safety guard system for band saws and similar equipment A safety guard system for a band saw that comprises a flexible member and a sensor for deactivating the band saw when the flexible member is not deployed correctly. The flexible member has a resting position and a sawing position. In both positions, the f... | 01/03/1995 |
| 5345850 | Belt tensioning device for band saws A bandsaw assembly including an improved drive belt tensioning device which enables efficient manual engagement and disengagement from the drive belt through use of an overcenter bracket. The overcenter bracket includes a spring releasably holding the ten... | 09/13/1994 |
| 5109744 | Band saw for cutting animal carcasses A band saw for cutting animal carcasses and the like includes a housing and a lid rotatably connected therewith for movement between open and closed positions. Within the housing are provided a pair of pulleys for supporting a cutting band. Guides are pro... | 05/05/1992 |
| 5065652 | Scroll saw A scroll saw has a base including integral walls forming a gear casing, a frame assembly mounted on the base, and lower and upper oscillating arm members pivotally mounted on the frame assembly. The gear casing houses gear and counterweight assemblies for... | 11/19/1991 |
| 4909115 | Apparatus for loading a band saw blade A band saw blade is loaded between pairs of guide wheels upon tensioning the blade by guiding the blade between pairs of spaced guide plates which define converging slots that converge toward the guide wheels. The approach is particularly useful in loadin... | 03/20/1990 |
| 4763637 | Stone saw A stone saw comprises a revolving sawing rope, a backing roller supporting the revolving sawing rope at each end of a sawing portion on one side of the sawing rope axis against cutting pressure exerted upon the sawing rope, the cutting pressure causing ra... | 08/16/1988 |
| 4597132 | Band saw for cutting carcasses or the like A band saw wherein one of the pulleys for an endless band-like blade is movable toward and away from the other pulley to relax the tension upon or to tension the blade. The one pulley is permanently biased away from the other pulley by a relatively weak s... | 07/01/1986 |
| 4563817 | Chain saw slack adjuster One side of the base end of a chain saw bar and an opposing abutment member relative to which the base end of the saw bar is releasably clamped include ratchet and pawl structure operative, when the clamping action between the abutment member and the saw ... | 01/14/1986 |
| 4386545 | Alinement and support means for guiding pulley of band saw An elongated stamped sheet-metal slider member facilitates the alinement and support for the guiding pulley of a band saw. The slider member has several integrally-formed portions. A first portion depends within the housing, and the pulley is rotatably su... | 06/07/1983 |
| 4237757 | Bandsaw mechanism A system for introducing "tensioning" stress distribution into the wide bandsaw blade without its plastic deformation, for automatically compensating for blade temperature expansions and blade manufacturing inaccuracies, and for controlling blade position... | 12/09/1980 |
| 4204444 | Band saw guard device A protective device for a band saw machine is secured to the guards which are normally found on such machines. The device extends downwardly from the guards to the plane of the table, on which the blocks to be cut are placed. The device encloses the band ... | 05/27/1980 |
| 4128031 | Horizontal bandsaw machines A bandsaw wheel having laterally spaced grooves in the periphery thereof. Annular rubber-like members are received in the grooves and protrude therefrom beyond the wheel periphery to provide radial support for a bandsaw blade at a plurality of laterally s... | 12/05/1978 |
| 3975978 | Direct coupled way system for movable head band saw machines A direct coupled way system for band saw machines wherein a cutting band is trained in tension over spaced upstream and downstream band wheels which are supported by a movable head for moving the cutting band with respect to a work piece held in position ... | 08/24/1976 |
| 3974724 | Band saw safety guard A guard barrier in front of the exposed portion of the blade of a band saw is raised or lowered responsive to the elevation of the portion of the non-planar workpiece which is approaching the blade to be cut so that the varying length of exposed blade is ... | 08/17/1976 |
| 3939749 | Band saw A band saw which has a displaceable guard rail that covers the saw blade in the cutting region thereof above the feed table and is adapted to be displaced upward in a direction parallel to the saw blade and away from the feed table to the height necessary... | 02/24/1976 |
