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| Number | Title | Issue Date |
| 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 |
| 6923104 | Tensive cutting assembly A tensive cutting assembly includes a tensionable cutting member formed of a strip of material, typically metal, which is formed having a serpentine configuration. The tensionable cutting member is removably mounted on a tensive cutting head. The tensive cutting hea... | 08/02/2005 |
| 6854373 | Scroll saw blade holder and adapter A blade holder and adapter for a scroll saw includes a slider within a slot in a scroll saw arm, with a retainer on the slider for receiving a scroll saw blade holder. An adjuster on the slider allows the slider to move within the slot and may be tightened to retain... | 02/15/2005 |
| 6722247 | Apparatus for suspending a saw blade in a parallelogram-type suspension jigsaw A device for suspending one end of a saw blade (28) in a first arm (14) of a parallelogram-jigsaw, having a second arm (18) parallel to the first arm and having a a saw blade clamp (38) mounted pivotably with respect to the first arm (... | 04/20/2004 |
| 6722239 | Scroll sawing machine with a sawdust collecting mechanism A scroll sawing machine includes a motor mounted under a table of a machine base, and a saw blade driven by a first output shaft of the motor to reciprocate in an upright direction. First and second sawdust collecting members respectively have first and second intak... | 04/20/2004 |
| 6601491 | Tensive cutting assembly A tensive cutting assembly includes a tensionable cutting member formed of a strip of material, typically metal, which is formed having a serpentine configuration. The tensionable cutting member is removably mounted on a tensive cutting head. The tensive ... | 08/05/2003 |
| 6553885 | Knife blade for cutting food products A knife blade for cutting food products includes a cutting edge having a concave circular curved central portion and opposed linear end portions tangentially intersecting and extending away from opposite sides of the circular curved central portion. The s... | 04/29/2003 |
| 6530771 | Rotary cutter handling system A cutter carriage for moving a rotary cutter between a front side of the back roller and a back side of the back roller. The preferred system has a pair of guide rods located on the left and right side plates of the sheeting head. The rotary cutter is hel... | 03/11/2003 |
| 6363822 | Parallel arm scroll saw and drive mechanism with visual speed indicator apparatus An arm configuration used in a scroll saw that allows the two arms to move substantially independently of one another and having a retaining mechanism which isolates one of the arms if one arm becomes disengaged from the saw blade or the saw blade breaks.... | 04/02/2002 |
| 6354180 | System for cutting sheet material A system for cutting sheet material. The system has a first roller with at least one cutting element thereon with the first roller rotatable around a first axis and the second roller having at least one receptacle thereon and rotatable around a second axi... | 03/12/2002 |
| 6267038 | Variable cut scroll saw A scroll saw including an adjustable tensioning mechanism is disclosed. The saw includes a housing having an inner surface and a pivoting arm having a rearward end disposed within an opening in the housing. A first blade clamp is disposed at the forward e... | 07/31/2001 |
| 6038953 | Composite material C-arm for scroll saw A yoke for mounting a saw blade to a reciprocating saw, the yoke adapted to be received by a mounting support on the reciprocating saw. The yoke includes first and second arms and a region connecting the first and second arms, the first and second arms ha... | 03/21/2000 |
| 6012373 | Composite material C-arm scroll saw A scroll saw having a yoke for mounting a saw blade thereto, the yoke adapted to be received by a mounting support on the reciprocating saw. The yoke includes first and second arms and a region connecting the first and second arms, the first and second ar... | 01/11/2000 |
| 5992283 | Saw blade mounting structure for curve sawing machines that allows buffer play A saw blade mounting structure for curve sawing machines that allows buffer play, includes upper and lower saw blade clamps opposedly arranged in a mirror image at front ends of upper and lower support arms adapted to position both pin type and plain type... | 11/30/1999 |
| 5964134 | Trim apparatus and method for trimming an article from a thermoplastic sheet Method and apparatus for trimming an article integrally differentially pressure formed in a sheet of thermoplastic material comprising a pair of trim dies which are relatively moveable between spaced apart positions for receiving a sheet carrying an artic... | 10/12/1999 |
| 5941153 | Quick release saw blade chuck for a scroll saw A quick release saw blade chuck includes a mounting block, a clamping block pivotally connected to the mounting block, a bolt member extending through a bore in the clamping block, a threaded unit engaging threadably an externally threaded end portion of ... | 08/24/1999 |
| 5911808 | Tensioned blade apparatus A multiblade cutting assembly including a plurality of blades and a blade support which is loaded as a simple beam. A plurality of parallel cutting blades are mounted by a first end on a frame and by a second end on a tension member. A pair of biasing mem... | 06/15/1999 |
| 5896799 | Locking mechanism for the blade of a coping saw A coping saw blade is securely mounted to the upper and lower swinging arms of a coping saw by clamping the upper and lower ends of the blade within slits of positioning devices mounted on front portions of the arms. Both flat blades and blades provided w... | 04/27/1999 |
| 5884544 | Scroll saw vacuum attachment assembly A vacuum attachment assembly for a scroll saw wherein the scroll saw includes a base, a table, a table bevel lock knob, a table bevel plate, an upper arm and a lower arm-blade. The vacuum attachment includes a bracket having first and second ends. The fir... | 03/23/1999 |
| 5694825 | Blade adjusting device for a scroll saw A blade adjusting device for a scroll saw, using engaging projections on the lower side of a press knob, engaging with projecting or receding parts on the upper side of a catch seat, to transform turning the press knob into an up-and-down movement of the ... | 12/09/1997 |
| 5410933 | Fret-saw machine A fret-saw machine comprises a base unit having a table on which a workpiece to be cut is placed, a frame member disposed in the base unit and secured to the table, an arm member having one end portion secured to the frame member and another end portion d... | 05/02/1995 |
| 5392677 | Roofing shingle angle cutter A shingle cutting tool for cutting a shingle having a longitudinal edge, the shingle cutting tool making a cut across the shingle at a selectable angle transverse to the longitudinal edge thereof, the shingle cutting tool including a guide member, the gui... | 02/28/1995 |
| 5363733 | Quick release saw blade chuck and saw including the same A quick release saw blade chuck for connecting a free end of a saw blade to a reciprocating arm of a saw includes a blade holder including a first surface. The free end of the saw blade is interposed between the first surface and the inner surface of a cl... | 11/15/1994 |
| 5351590 | Scroll saw clamp and method for making the same A clamp (20) and method for making the same are disclosed. The clamp (20) has a pair of jaws (42,44), a pivot (46) and an actuator (48). Each of the jaws (42,44) has a distal end (54,56) and a clamping end (50,52). The jaws (42,44) are pivotally connected... | 10/04/1994 |
| 5351591 | Fret-saw machine A fret-saw machine comprises a base unit having a table on which a workpiece to be cut is placed, a frame member disposed in the base unit and secured to the table, an arm member having one end portion secured to the frame member and another end portion d... | 10/04/1994 |
| 5345849 | Fret-saw machine A fret-saw machine comprises a base unit having a table on which a workpiece to be cut is placed, a frame member disposed in the base unit and secured to the table, an arm member having one end portion secured to the frame member and another end portion d... | 09/13/1994 |
| 5267498 | Fret-saw machine A fret-saw machine comprises a base unit having a table on which a workpiece to be cut is placed, a frame member disposed in the base unit and secured to the table, an arm member having one end portion secured to the frame member and another end portion d... | 12/07/1993 |
| 5245902 | Vegetable cutter A vegetable cutter which includes a base with a through hole and a knife unit spanning the through hole which confronts a downwardly facing ram moveable between a food charging position and a food slicing position by manipulating a lever-type handle pivot... | 09/21/1993 |
| 5235890 | Scroll saw with blinder A scroll saw having a blinder to shield the rapid up and down movement of the saw blade and outer end of the saw blade arm from the view of the operator, comprising a shield member supported at a spaced apart distance in front of the saw blade arm having ... | 08/17/1993 |
| 5235882 | Device for trimming and cutting computer printer paper A device which trims off the perforated margin strips of printer paper and cuts the paper transversely to separate it into individual pages. The paper which discharges from the printer is drawn around a tension bar and is applied to a toothed belt driven ... | 08/17/1993 |
| 5228376 | Scroll saw A scroll saw includes a hollow elongated base having a vertical sleeve portion at the rear end portion of the base. A hollow shaft is slidably inserted in the sleeve portion. An L-shaped arm member is fixed to the hollow shaft and has a suspending bracket... | 07/20/1993 |
| 5172622 | Quick change die cutter A quick change die cutter is provided for permitting interchangeable die elements to be readily inserted and removed without the need for tools. A receiver is provided for carrying the die element which presents a cutting edge thereon, and a lever serves ... | 12/22/1992 |
| 5105704 | Adjustable saw blade fastener A saw blade fastener comprising two fastening plates respectively secured by two adjusting screws to two saw blade holding plates for holding a saw blade therebetween, wherein said fastening plates have each a ring-shaped projection at one side and a flat... | 04/21/1992 |
| 5088369 | Blade tensioning device for scroll saw An auxiliary blade tensioning device for a scroll saw 10 permits quick selective adjustment of the tension of the blade 20. A scroll saw 10 utilizing the blade tensioning device of the invention preferably includes a pair of arms 14 and 16 mounted on a fr... | 02/18/1992 |
| 5070752 | Structure of driving mechanism for scroll sawing machine A driving mechanism for a scroll sawing machine, which comprises a motor set in parallel with two suspension arms which have a scroll saw blade retained therebetween, and sector-shaped counter weight mounted on the shaft of such a motor and coupled with a... | 12/10/1991 |
| 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 |
| 5058476 | 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... | 10/22/1991 |
| 5016512 | Scroll saw blade holding system A scroll saw blade holding system comprises at least an upper scroll saw arm with a notched, forked end, a pair of plate members held together by a screw for clamping an end of a scroll saw blade, and a pivot pin, extending through the plate members and s... | 05/21/1991 |
| 4909291 | Cutting head for a tree-felling vehicle The present invention relates to a cutting head for use on a tree-felling vehicle. The cutting head comprises a tree-carrying frame with a cutting tool in the form of a rotor with helically extending cutting teeth. An arm for placement against a standing ... | 03/20/1990 |
| 4841823 | Scroll saw blade position adjustment and work table dampener A blade positioner for a scroll saw is disclosed which permits adjustment of the saw blade relative to the pivoting beams or arms of the scroll saw so that the plane movement of the blade is coincident with the blade direction, particularly in the event t... | 06/27/1989 |
