Class 144/251.1 - CUTTER GUARD

Subclass of Class 144 - Woodworking
Definition: Structure for preventing injury to the workman from contact
No. of patents: 49
Last issue date: 09/06/2011

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Number	Title	Issue Date
8011398	Dust shroud for gas powered circular saws A dust shroud for gas powered circular saws allows for mounting to a circular saw and for use therewith out hindering the use of the saw. The shroud does not interfere with the ability to operate the saw or set the saw on the ground, and effectively collects dust an...	09/06/2011
7806154	Shaper guard A shaper guard includes a fixture assembly having a sleeve adapted to be statically fixed on a shaper and a rotating member pivotally connected with the sleeve. A first guard panel has a connecting portion connected with the sleeve. A second guard panel has a connec...	10/05/2010
7472729	Guard A planer including a frame, at least one table mounted on or within the frame, a cutting drum rotatably mounted within the frame, and a motor mounted within the frame and capable of rotatingly driving the cutting drum. The planer also includes a rotatable socket, fo...	01/06/2009
7434501	Quickly collapsible protective cover unit for a table sawing machine A quickly collapsible protective cover unit for a table sawing machine includes two protective covers, two connecting rods, an elongate base and a dividing plate. The dividing plate has its upper end combined between two lengthwise sides of one end portion of the ba...	10/14/2008
7396195	Safety protective device for working machine A working machine includes a blade seat movable relative to a sheet plate, and a safety protective device mounted on the blade seat to cover the blades of the blade seat and including at least one swing member pivotally mounted on the blade seat, and a protective bo...	07/08/2008
7228773	Radial arm saw safety top A radial arm saw is adapted with a safety top configured with cutting box enclosure that contains and collects substantially all of the sawdust generated during use. A dust collection system is in fluid communication with the cutting box for removing the sawdust con...	06/12/2007
7207361	Router guide bushing An apparatus for use with a router that is adapted to secure a guide bushing to a base of the router includes a modified retaining nut that includes a plurality of extensions that extend radially away from the nut. Each extension includes a threaded hole that is ada...	04/24/2007
7140286	Dual adjustable feather jig A dual adjustable feather jig for simultaneously holding a piece of wood stock firmly against a stationary rip fence and against the top surface of a worktable. The feather jig includes a lower feather board with a ‘T’ in channel bar adjustably mounted on the bo...	11/28/2006
7044039	Radial arm saw safety top A radial arm saw is adapted with a safety top configured with cutting box enclosure that contains and collects substantially all of the sawdust generated during use. A dust collection system is in fluid communication with the cutting box for removing the sawdust con...	05/16/2006
6920814	Cutting tool safety system A woodworking machine is disclosed. The machine includes a cutting tool and a motor adapted to drive the cutting tool. The machine further includes a detection system to detect a dangerous condition between the cutting tool and a person, such as a person coming into...	07/26/2005
6640854	Machining assembly including a rotating tool and exhaust hood The invention relates to a treatment unit with a cutting tool (1) for treating wood, plastic or the like. Said treatment unit comprises a suction hood (6) with a ring (17) that encircles the tool (1) completely in the circumferential direction and at leas...	11/04/2003
6578460	Blade guard assembly A blade guard and lifter therefor surround the saw blade, interlocking when raised by a workpiece as a result of relative movement caused by a secondary linkage. Two pair of primary linkages pivotally connect the blade guard to the splitter. The dual seco...	06/17/2003
6311746	Circular saw head A circular saw head for use as a boom mounted head attachment is disclosed for agricultural trimming. The blades can cut as much as four inches of material. An adjustable head piece is provided that is also reversible allowing for exposure of more or less...	11/06/2001
6205668	Protective cover for a carpenter's hand plane A protective cover for a carpenter's plane includes a base plate having an upper surface and a width which is substantially similar to a width of the carpenter's plane and opposing side walls having a lower portion attached to opposing edges of the base p...	03/27/2001
6170372	Dual spring hold down for wood working tools A dual spring hold down for use with wood working tools, such as table saws, routers and shapers comprises a bracket mounted on the wood working table behind the tool and a hold down bar pivotably attached to the bracket with the hold down bar surrounding...	01/09/2001
5829931	Removable depth guide for rotary cutting tool A drywall cutting tool has a removable depth guide. The depth guide may be removed from and installed on the tool housing by rotating the guide relative to the tool. The use of a fastener or separate tool is not required. The depth guide may be adjusted f...	11/03/1998
5597023	Table saw tenonizer jig The present invention consists of a main frame that mounts atop a table saw. An axis shaft on a rocker assembly holds a wooden workpiece which is rotated and lowered into the circular cutting blade. Either a radius or square shoulder tenon can be cut depe...	01/28/1997
5564483	Unit for machining workpieces, in particular wood A machining unit, typically for wood panels, features a work table afforded by a body of prismatic geometry having at least two faces and rotatable about an axis which is also its instantaneous center, in such a way as to establish at least two movable an...	10/15/1996
5531147	Saw guard A guard apparatus for covering the cutting edge of a circular blade of a radial power saw includes a pivoting guard member extending over a portion of the cutting edge of the blade, mounted to rotate essentially coaxially with the blade, and a fluid drive...	07/02/1996
5429162	Router guard A router (21) has a base (70) joined to a body (60) by columns (62,64), the latter being slidable in sleeves (66) in the body (60). A spring (90) between the base (70) and the body of the router serves as a guard for the router bit (76)....	07/04/1995
5396706	Guard for portable circular saws A portable, circular saw is disclosed. It includes a saw blade selectively rotatable about an axis of rotation to a define a working plane normal to such axis of rotation. The saw also includes an arcuate outer guard fixedly mounted about one side of the ...	03/14/1995
5308201	Milling machine A milling machine, in particular a hand-guided router has a foot plate to be placed on a workpiece, a motor housing having a lower side provided with a tool receptacle for a milling tool and displaceable relative to the foot plate, a protective shield arr...	05/03/1994
5217055	Portable jointer table A table with means for installation of an electric planer therein so that the planer cutting blades engage a workpiece placed upon the table. An adjustable guide fence is also provided with the table for guiding workpieces over the cutting blades of the p...	06/08/1993
5022447	Safeguard apparatus for cutter of joint planer An apparatus for safeguarding an exposed portion of the cutting blade of a joint planer is disclosed. The safeguard apparatus covers the exposed portion of the cutting blade behind the guide surface of the joint planer. The safeguard is pivotally connecte...	06/11/1991
4972586	Cover for rotary blade of power pruner A cover for a rotary blade of a power pruner having a grip portion connected to a transmission shaft for transmitting the torque of an internal combustion engine, and a rotary blade for pruning being disposed at the front end of the grip portion. The rota...	11/27/1990
4921024	Method and apparatus to fell a tree A method and apparatus to fell a tree is disclosed. A vehicle mountable felling head includes a circular saw mounted to the felling head. A guard overlays the circular saw as a safety measure. The guard has a first portion which is fixed. The fixed portio...	05/01/1990
4848423	Guard unit for a stump removing machine cutter wheel The guard unit for the cutter wheel of a stump removing machine has an upper member pivotally mounted on the machine for up and down pivotal movement, within defined limits, to maintain a shield member in a continuous covering clearance with the cutter wh...	07/18/1989
4842031	Shaper guard A shaper guard including an elongated guard body which is fixed to a pair of spaced fences and in front of the shaper head and spaced slightly above the work surface. An elongated planar guard panel is slidably received in a vertical guide slot within the...	06/27/1989
4774866	Blade guard arrangement in motor-driven chop saw A saw-blade guard arrangement in a motor driven chop saw which includes a new unit pivotally mounted for movement between an upper rest position and a lower operational position. The saw unit is pivotably connected to a hinging member through a pivot shaf...	10/04/1988
4735245	Worktables having rip fences A worktable has a table top with a slot for reception of a saw blade of a hand-held circular saw when mounted below the table top. Two rip fences mounted on the table top are separately slidable in parallel adjusting slots for adjusting independently the ...	04/05/1988
4660448	Sound reducing means The sound produced by the movement of the teeth of an idling circular saw or band saw blade in air is substantially reduced by exposing the blade to a radiation impedance which is effectively imaginary, thereby subjecting a preselected portion of such sou...	04/28/1987
4566512	Router attachment An attachment for portable routers having a relatively long, rotary cutting tool for imparting decorative contours in relatively non-portable construction components such as staircase railings and the like. A massive block is mounted on a relatively thick...	01/28/1986
4543021	Safety shield for a milling machine, drill press, and the like A safety shield, adapted for securement to a milling machine, drill press, and the like, is rotatable to permit easy access to a workpiece, and is provided with a drag resistance to such rotation to prevent inadvertent return of the safety shield to the o...	09/24/1985
4532841	Saw blade guard A hood-like saw blade guard for a radial arm saw is mounted for free vertical movement on a support frame detachably connected to the suspended saw blade driving motor housing. The guard extends over the entire saw blade when in its downward position and ...	08/06/1985
4467685	Guard system for truss component cutting apparatus A guarding system for the protection of workers at least at the workpiece discharge side of a truss lumber component cutting apparatus is disclosed. Guard sections are attached to and move with movable elements of the cutting apparatus in both horizontal ...	08/28/1984
4445412	Improved table saw arrangement An improvement is set out in a table saw arrangement (10) which includes a generally vertically oriented generally circular rotatable saw blade (12) extending upwardly through a slot (14) in a work table (16), which work table has a fence (24) generally p...	05/01/1984
4418597	Anti-kickback device A flat support member mounted on and extending above a horizontal worktable has an elongated, inclined slot therein with a rack formed along its upper side, a wheel lying along one side of the member and rolling on a workpiece on the table has a coaxial p...	12/06/1983
4370909	Hand guard for table mounted cutting tool A hand guard for a table mounted cutting tool. The guard includes a grooved underside adapted to rest on top of the work, and further includes a vertically movable heel for engaging the edge of the work to be advanced past the cutting tool....	02/01/1983
4348925	Circular saw safety pusher device A safety pusher device for use in guiding wooden work pieces through circular saws is provided which contains an L-shaped insert member containing an upper groove portion for slidable connection to a pusher handle. The insert member can be removed and rep...	09/14/1982
4343115	Protecting hood for a motor-driven hand tool A protecting hood assembly for use in a motor-driven hand tool such as grinder or circular saw. The assembly includes a hood having a pair of openings, each being formed with a narrowing portion of a squared cross-section and a widened portion forming a s...	08/10/1982

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Class 144/251.1 - CUTTER GUARD