Class / Patent application number | Description | Number of patent applications / Date published |
030380000 | Band | 18 |
20080282556 | HAND-HELD BAND SAW - A powered handheld band for cutting a work piece and a method for manufacture and use. The band saw includes alternate blade guides respectively for selectively using one of a first cutting path for cutting a work piece flush with respect to a work surface and a second cutting path for non-flush cuts. | 11-20-2008 |
20090007437 | METHOD OF CUTTING OFF WORKPIECE USING BAND SAW MACHINE AS WELL AS BAND SAW MACHINE - A method of cutting a workpiece using an endless band saw blade and a band saw machine are provided. The method includes suspending the endless band saw blade between a driving wheel and a driven wheel such that the workpiece may be cut by the endless band saw blade, applying at least a first pulse and a second pulse to a first motor rotating the driving wheel and a second motor rotating the driven wheel, respectively, wherein the pulses have phases opposite to each other, and cutting the workpiece. The band saw machine includes an endless band saw blade suspended between a driving wheel having a first motor and a driven wheel having a second motor. The band saw machine further includes a pulse applying module that applies at least a first pulse and a second pulse to the first motor and the second motor, respectively, wherein the pulses have phases opposite to each. | 01-08-2009 |
20090265943 | Portable Band Saw - A portable band saw includes a serviceable/replaceable bumper system for allowing the band saw to be easily repaired if damaged from being dropped. An auxiliary handle is adjustably mounted to the band saw and is releasable from its position if subjected to a large force so as to avoid damage to the handle and tool housing. An adjustable guide shoe includes a toolless adjustment. The front and rear section of the band saw are disposed on opposite sides of a polymeric field case. Compression rods are used to isolate compression forces from the polymeric field case. An electric box assembly including a plastic component box is disposed between the field case and a front section of the band saw. A crash guard is mounted adjacent to the field case and includes a sight guide along an edge thereof and a rear blade guard formed integrally therewith. | 10-29-2009 |
20100011596 | Hand-held band saw - A hand-held band saw includes a motor ( | 01-21-2010 |
20100024225 | BAND SAW BLADE - A band saw including a housing, a motor supported by the housing, a first wheel supported by the housing for rotation about a first wheel axis, the first wheel being drivingly coupled to the motor and driveable by the motor, and a second wheel supported by the housing for rotation about a second wheel axis. A band saw blade extends around the first wheel and the second wheel for traveling in a continuous loop around the first wheel and the second wheel to cut a work piece. The band saw blade includes a first surface for engaging the first wheel and the second wheel, and a second surface opposite the first surface. The first surface includes a knurled surface for gripping the first wheel and the second wheel. | 02-04-2010 |
20100192390 | HAND-HELD BAND SAW - A hand-held band saw is provided for one-hand operation. The band saw has a frame and a handle extending from a longitudinal edge of the frame at an acute angle and opposite an edge containing a throat for receiving the work piece. The orientation of the handle centers the mass of the saw below the hand and positions the cutting section of the blade in a vertical plane so it will engage a work piece at a preferred angle selected by the user. | 08-05-2010 |
20110094113 | Power Tool, in particular a Portable Power Tool - The invention provides a transverse guide ( | 04-28-2011 |
20110119934 | BAND SAW - A hand-held power tool includes a housing having an opening, first and second wheels supported by the housing for rotation about respective first and second parallel axes, a continuous saw blade supported by the first and second wheels, a first guide roller set coupled to the housing proximate a first side of the opening, and a second guide roller set coupled to the housing proximate a second side of the opening. The first and second wheels define respective first and second facing, parallel planes containing the first and second axes. The first and second guide roller sets define respective third and fourth facing, parallel planes that are also parallel to the first and second planes. A first dimension between the first plane and the third plane is less than about 3.3 inches. A second dimension between the second plane and the fourth plane is less than about 3.3 inches. | 05-26-2011 |
20110119935 | CHAINLESS DRIVE SYSTEM FOR A BAND SAW - A power tool includes a housing, a first wheel rotatably coupled to the housing, a second wheel rotatably coupled to the housing, a continuous saw blade supported by the first and second wheels, and a motor supported by the housing. The motor includes an output shaft. The power tool also includes a drive train operably coupling the output shaft and the first wheel. The drive train includes a first stage gear assembly supported by the housing for rotation about a first axis substantially parallel to and offset from the motor output shaft, a second stage gear assembly supported by the housing for rotation about a second axis substantially perpendicular to the first axis, and a third stage gear assembly supported by the housing for rotation about a third axis substantially parallel to and offset from the second axis. The first wheel is rotatable about the third axis. | 05-26-2011 |
20110197457 | BAND SAW BLADE REMOVAL MECHANISM - A blade removal mechanism is moveable between a first position and a second position for engaging a band saw blade. The blade removal mechanism includes a first member for positioning adjacent a blade-receiving space of the band saw, the first member engageable with the band saw blade when the blade removal mechanism is in the second position. The mechanism also includes an actuator coupled to the first member for transmitting movement to the first member and a biasing member for biasing the actuator and the first member to the first position and away from the band saw blade. | 08-18-2011 |
20110296696 | WORKPIECE GUARD AND BLADE GUARD FOR BAND SAW - A hand-held band saw has a handle for grasping the band saw, a motor, a drive wheel driven by the motor, a driven wheel and a continuous blade disposed about the drive wheel and the driven wheel. A portion of the continuous blade is positioned in a cut zone to perform a cutting operation. A workpiece guard is spaced from the continuous blade and positioned generally between the cut zone and the handle for limiting movement of the workpiece after the cutting operation. | 12-08-2011 |
20130097879 | HAND-HELD BAND SAW - A powered hand-held band for cutting a work piece and a method for manufacture and use. The band saw includes alternate blade guides respectively for selectively using one of a first cutting path for cutting a work piece flush with respect to a work surface and a second cutting path for non-flush cuts. | 04-25-2013 |
20140041240 | ADJUSTABLE SHOE FOR A POWER TOOL - A band saw includes a first wheel and a second wheel for supporting a continuous band saw blade, a motor operable to drive at least one of the first and second wheels, a housing supporting the first wheel and the second wheel, a shoe for engaging a workpiece, the shoe including a first detent feature. The band saw also includes a second detent feature cooperating with the first detent feature to hold the shoe with respect to the housing. The shoe is moveable with respect to the housing between an engaged position and a non-engaged position. The shoe is moveable out of the engaged position by application of a force acting to move the shoe with respect to the housing sufficient to overcome cooperation between the first and second detent features in the engaged position. | 02-13-2014 |
20140173916 | WORKPIECE GUARD AND BLADE GUARD FOR BAND SAW - A hand-held band saw having a deck defining a front and a rear, and an opening in the front defining a cut zone. The band saw also includes a first wheel supported by a first deck portion, a second wheel supported by a second deck portion, a motor operably coupled to the first wheel, a single handle providing a single grip for a user to hold the band saw with only one hand, and a continuous blade having a cutting edge. The continuous blade includes a first portion positioned in the cut zone for performing a cutting operation and a second portion positioned outside of the cut zone. A blade guard is positioned proximate the cutting edge of the second portion of the continuous blade to substantially provide a barrier between the cutting edge and an exterior of the band saw. | 06-26-2014 |
20140259699 | FLEXIBLE SAW BLADES AND METHODS FOR CURVATURE CUTTING - Saws including saws configured to allow change in a width, a direction, and a curvature of a cut during a cutting operation are described. The saws include a saw blade, the saw blade being flexible along a longitudinal axis of the saw blade and inflexible along a vertical axis of the saw blade. The saw blade includes a blade body, and a plurality of cutting teeth, the plurality of cutting teeth being disposed on an upper cutting edge of the blade and a lower cutting edge of the blade body. In some examples, the saw blade is configured to be flexed by manipulation of at least two articulating points on the saw blade during the cutting operation to change one or more of the kerf, the direction, and the curvature of the cut. | 09-18-2014 |
20140310964 | Portable Band Saw - A portable band saw includes a serviceable/replaceable bumper system for allowing the band saw to be easily repaired if damaged from being dropped. An auxiliary handle is adjustably mounted to the band saw and is releasable from its position if subjected to a large force so as to avoid damage to the handle and tool housing. An adjustable guide shoe includes a toolless adjustment. The front and rear section of the band saw are disposed on opposite sides of a polymeric field case. Compression rods are used to isolate compression forces from the polymeric field case. An electric box assembly including a plastic component box is disposed between the field case and a front section of the band saw. A crash guard is mounted adjacent to the field case and includes a sight guide along an edge thereof and a rear blade guard formed integrally therewith. | 10-23-2014 |
20160096229 | WORKPIECE GUARD AND BLADE GUARD FOR BAND SAW - A hand-held band saw for cutting a workpiece. The hand-held band saw includes a deck, first and second wheels coupled to the deck for receiving a continuous blade thereabout, a motor coupled to the deck for driving at least one of the first or second wheels, and a handle providing a grip for a user to hold the band saw. The band saw also includes a blade guard having a first portion adjacent the first wheel, a second portion adjacent the second wheel, and a third portion adjoining the first and second portions. A joint couples the first, second, and third portions to the deck for simultaneous movement of the first, second, and third portions with respect to the deck. | 04-07-2016 |
20190143428 | ADJUSTABLE SHOE FOR A POWER TOOL | 05-16-2019 |