Class / Patent application number | Description | Number of patent applications / Date published |
083478000 | With guard for tool | 23 |
20080264225 | UNDERCUT SAW - An undercut saw including a housing, a motor within said housing, a drive shaft rotated by said motor, and a blade mount mechanically linked to said shaft such that a circular saw blade mounted on said mount is rotated when the motor rotates the drive shaft. A fixed blade guard circumscribes a portion of the blade and allows selectable height adjustment of the blade. A stabilization bar on the fixed blade guard may be extended to make the device more stable. On the underside of the fixed blade guard a dust channel allows dust to be swept by the rotating blade into a dust port. The dust channel allows positioning of the dust port away from the leading edges of the fixed blade guard. | 10-30-2008 |
20090019981 | PROTECTIVE DEVICE - The invention relates to a protective device, particularly for circular saw benches ( | 01-22-2009 |
20090064836 | QUICKLY ASSEMBLED AND DISASSEMBLED PROTECTIVE COVER FOR A TABLE SAWING MACHINE - A quickly assembled and disassembled protective cover for a table sawing machine is pivotally assembled on a cover plate having one end secured on an assembly base of a quick disassembling device. The assembly base is bored with a positioning hole for a positioning pin to be axially inserted therein. When pushed or pulled to shift axially, the positioning pin can be inserted and positioned in or separated from a through hole of a chopper plate, and the positioning pin is fixed in position by a positioning element. By so designing, the assembly base can be quickly assembled on or disassembled from the chopper plate, achieving effect of quick assembly and disassembly of the protective cover. | 03-12-2009 |
20090084240 | Table saw guards, splitter assemblies, accessories, and table saws including the same - Table saw blade guards, splitter assemblies, attachments, accessories, and table saws including the same. The splitter assemblies include a splitter and a blade guard that is coupled to the splitter. The blade guards include a top guard. In some embodiments, the top guard is configured to be a hold-down guard. In some embodiments, the top guard is pivotally coupled to the splitter. In some embodiments, the top guard is adjustably coupled to the splitter. In some embodiments, the top guard is secured in a fixed orientation relative to the splitter. In some embodiments, the top guard includes a portion that is secured in a fixed orientation to the splitter and a portion that is pivotal relative to the splitter. | 04-02-2009 |
20090266214 | GUARD DEVICE - The invention relates to a protective device ( | 10-29-2009 |
20090293693 | Workpiece splitting and kickback-inhibiting assembly for a table cutting machine - A workpiece splitting and kickback-inhibiting assembly includes a splitter adapted to suspend a cover shield over a cutting blade of a table cutting machine, a lug disposed on the splitter and having a retaining hole disposed rearwardly of a seat region, a mounting body detachably straddling on the seat region, two journals extending leftwardly and rightwardly of the mounting body, two kickback-inhibiting plates respectively mounted on the journals to be turnable about the journals and to hold a workpiece fed past the splitter, and a fastening unit having a lever which is pivoted to the mounting body and which has a retaining end that is turnable to engage the retaining hole so as to retain the mounting body on the splitter. | 12-03-2009 |
20090314148 | Table saw blade guards and blade guard assemblies including lateral blade guards, and table saws including the same - Table saw blade guards with lateral guards, blade guard assemblies, and table saws including the same. The blade guards include at least one lateral guard that restricts access to a lateral side, or face, of the saw's blade, and may include a top guard. The lateral guard is selectively moved, such as responsive to engagement by a workpiece, between a non-cutting position and a plurality of cutting positions. In some embodiments, the lateral guard is a collapsing lateral guard that has a reduced perimetrical area and/or reduced vertical dimension relative to the saw's work surface when in a cutting position compared to the non-cutting position. In some embodiments, the lateral guard collapses toward the top guard when moved from its non-cutting position to a cutting position. In some embodiments, the lateral guard does not, or does not appreciably, project above the top guard even when in its maximum cutting position. | 12-24-2009 |
20100058911 | Blade Guard for Power Tool Having an Evacuation System - A blade guard is configured to surround a rotatable cutting blade. The blade guard includes an arcuate body mounted to surround a portion of an outer circumferential edge of the cutting blade, wherein the arcuate body is fixed with respect to the rotatable blade. A plenum is disposed upon the body and configured to provide fluid communication between a cutting zone within the body and a suction source. An aperture is defined in the body proximate the cutting blade, the aperture disposed proximate a location where the cutting blade exits a workpiece being cut. | 03-11-2010 |
20100101393 | SAFETY STRUCTURE FOR SAW MACHINE - A safety structure for use in a saw machine includes two side guard plates arranged at left and right sides relative to a saw blade and having the rear sides thereof pivotally connected together. A guide unit has a connection plate connected between the front sides of the side guard plates in such a manner that one end of the connection plate is movable relative to the associated side guard plate so that when the safety structure is tilted with the saw blade for a slanting cut, the two side guard plates are pivoted in opposite directions. The guide unit prohibits the front ends of the side guard plates from being forced outwardly away from each other or squeezed inwardly toward each other, assuring a high level of operation safety. | 04-29-2010 |
20100116113 | Quick-assembly/disassembly mechanism of sawblade cover - The present invention provides a quick-assembly/disassembly mechanism for the sawblade cover of a wood sawing machine, which permits to install shields and stoppers correspondingly on both sides of a U-shaped supporting rod, and arrange a mobile damper within the supporting rod; moreover, when the quick-disassembly poker of the mobile damper is disassembled or assembled into the entire cover assembly, the poker is pulled up or pressed down to realize quick screwing and releasing of the cover assembly. | 05-13-2010 |
20100116114 | Eye-protection cover quick-release structure for table saw - An eye-protection cover quick-release structure includes a spreader, which has a notch and a locating hole at the top side and a contracted passage connected between the notch and the locating hole, a bracket, which has a locating groove for accommodating a part of the spreader and an axle hole, an axle pin, which is insertable through the axle hole of the bracket and the locating hole of the spreader and has a shank and a shoulder, and a handle fastened to the shank of the axle pin and biasable between a pressed position where the shoulder of the axle pin is forced into the locating hole of the spreader to lock the bracket to the spreader and a lifted position where the shank of the axle pin is forced into the locating hole of the spreader and movable through the contracted passage for allowing the bracket to be separated from the spreader. | 05-13-2010 |
20100206151 | QUICK-DETACHABLE SAW BLADE GUARD ASSEMBLY FOR CIRCULAR SAW - A quick-detachable saw blade guard assembly used in a circular saw to guard a saw blade is disclosed to include a spreader having a first locating notch and a second locating notch that defines an opening, a support bar having a bar member and a pivot transversely fastened to one end of the bar member and detachably movably coupled to the first locating notch of the spreader, a saw blade guard mounted on the support bar for guarding the spreader and the saw blade, a locking device having a locking plate movable relative to the bar member and a pin fastened to the locking plate and movable in and out of the second locating notch through the opening, and a control device having an adjustment member mounted on the bar member for engaging the locking plate to hold the pin of the locking device in the second locating notch of the spreader. | 08-19-2010 |
20100224044 | PROTECTIVE COVER ASSEMBLY WITH A QUICK RELEASE MECHANISM - A protective cover assembly includes a cover unit and a support plate unit. The cover unit includes an elongated hollow cover-mounting seat, two protective covers disposed on said cover-mounting seat, a positioning mechanism, and a quick release mechanism. The positioning mechanism includes front and rear positioning members disposed fixedly in a receiving chamber in the cover-mounting seat, and an abutment member disposed in an upper end of the receiving chamber. The quick release mechanism includes a cam lever and a resilient member. The cam lever is pivotable relative to the cover-mounting seat between a locking position whereat a lever-engaging unit of the support plate unit is clamped between the abutment member and the cam lever, and a release position whereat the cam lever is removed from the lever-engaging unit. | 09-09-2010 |
20100236370 | CUTTING AID FOR A MOTORIZED SAW - A motorized saw including a specially designed shoe for performing more precise cuts without the necessity of making line marks on a target object is disclosed. The motorized saw may be in different forms including a rotary saw and a reciprocal saw. A motorized rotary saw modification member is also disclosed which includes a substantially planar base for attachment to the shoe of a rotary saw. The base further includes an aperture through which a blade may extend, a primary engagement surface for engaging an object to be cut, a leading edge, a plurality of fastening members for removably attaching the modification member to the shoe of a rotary saw, and a first detent interrupting the primary engagement surface, oriented at an angle ranging from about 0 degrees to about 60 degrees relative to the leading edge. | 09-23-2010 |
20110030523 | Safety holder for a microtome knife - A knife holder device for a microtome having a blade guard constituted as a pivotable bow, wherein, in a protective position, the blade guard is disposed on the side of the knife facing away from the sample at a distance such that access to the cutting edge is not possible. The operability is improved and simplified and therefore safe operation is adequately ensured. This is achieved by constituting the blade guard such that it can be positioned in three different defined positions and is provided with elements that have the following effects depending on the position: in the upper, protective position, simultaneous fixing of the position of the knife holder in the guideway; in the central, knife-holder-sliding position, accessibility to the knife holder with simultaneous release of the position fixture of the knife holder in the guideway; and in the lower, knife-changing position, free accessibility to the knife holder with simultaneous fixture of the position of the knife holder in the guideway. The blade guard and the elements are constituted such that ergonomic removal of sections is only possible in the protective position. | 02-10-2011 |
20110094362 | Caster concept guard - This invention is easily adaptable to the wood working shops and promotes safety for the operator. | 04-28-2011 |
20110219928 | PROTECTIVE COVER STRUCTURE OF A DESK SAWING MACHINE - A protective cover structure of a desk sawing machine includes a chopper board, a cover, two first side boards and two second side boards. The cover is disposed at an upper end of the chopper board. The two first side boards respectively disposed at two sides of the cover. One end of each of the first side boards is pivotally connected to the cover. The two second side boards respectively connected to another end of each of the first side boards. The first side boards and the second side boards can be operated independently to enhance shelter. The desk sawing machine can keep off the sawdust when cutting, providing a protective effect to the equipment and the user. | 09-15-2011 |
20120118122 | FALL-OUT PREVENTING STRUCTURE FOR FIXING DEVICE OF GUARD MEMBER IN CUTTING MACHINE - A guard member for a rotary blade of a tabletop cutting machine is attached with a fixing device. The fixing device may be loosened, for example, during a maintenance operation. The fixing device can be prevented from falling out of the table cutting machine through the use of a fall-out preventing device. | 05-17-2012 |
20120318112 | COVERING DEVICE FOR CUTTING MACHINE AND CUTTING MACHINE HAVING THE SAME - A covering device for a cutting machine includes a fixing cover provided on a base and covering a disc-shaped rotary tool provided at an end of the cutting machine. The fixing cover includes a tiltable body coupled to the fixing cover such that the tiltable body can be tilted in an up-down direction. The amount by which the rotary tool projects downward from the base can be changed by changes of the tilt position of the tiltable body with respect to the fixing cover. The fixing cover further includes a variable member having a plurality of abutment portions that are brought into abutment with the tiltable body along with a downward tilt of the tiltable body, and allows the tilt position to be selected from different tilt positions in accordance with an operation to select from the plurality of abutment portions. | 12-20-2012 |
20130074670 | WELD TAB MACHINING APPARATUS - An apparatus for machining a weld tab on an article. In one embodiment, the apparatus includes: a base member including at least one rolling element for contacting an underlying surface, the base member having a leading end and a trailing end; a cutting apparatus operably connected to the base member, the cutting apparatus including: a cutting member positioned proximate the leading end of the base member, the cutting member sized to coincide with a size of the weld tab; and a handle member proximate the trailing end and operably connected to the cutting member, the handle member for modifying a position of the cutting member relative to the base member. | 03-28-2013 |
20130174707 | BLADE GUARD FOR A SAW - A blade guard for a circular saw blade. The blade guard includes at least two pieces coupled together. The blade guard also includes at least one bottom plate having a slot formed therein for accommodating the circular saw blade and at least one top cover. Additionally, the blade guard includes a plurality of fastening rods for coupling the bottom plate with the top cover, the plurality of fastening rods further configured to secure the at least two pieces to the at least one bottom plate and the at least one top cover. | 07-11-2013 |
20130319197 | Safety structure for rotary paper trimmer - A safety structure for rotary paper trimmer comprises a carriage, a cartridge, a blade holder, a locking means, an unlocking means, a biasing means and an actuating means. The blade holder is received inside the cartridge for holding a cutting blade and slides downward to expose a cutting edge of the cutting blade outside the cartridge during cutting operation. By means of the cooperation among the locking means, the unlocking means, the biasing means and the actuating means, the cutting edge is ensured to be concealed completely inside the cartridge when the cartridge is removed from the carriage and when the carriage cover is not pressed by the user, therefore preventing the cutting edge from injuring the user when the rotary paper trimmer is not in use. | 12-05-2013 |
20150135923 | Detachable Protective Device for a Table Saw - A detachable protective device for a table saw includes a cutter board having first and second recesses. The second recess includes a receiving portion having a first width and a neck having a second width smaller than the first width. A base is mounted to the cutter board and includes first and second holes. A pivot is mounted in the first hole and is releasably engaged with the first recess. A locking member includes a pivotal portion pivotably received in the second hole. The pivotal portion has a maximal width larger than the second width and not larger than the first width and has a minimal width not larger than the second width. The pivotal portion is retained in the second recess when the locking member is in the locking position. The pivotal portion can disengage from the second recess when the locking member is in the release position. | 05-21-2015 |