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Class 30/351 - Apertured, notched or lugged


Subclass of Class 30 - Cutlery
Definition: Blades in which the invention resides in providing apertures,
No. of patents: 55
Last issue date: 06/17/2008


1    
NumberTitleIssue Date
7386941Slit pick and hold triple function graphic arts safety blade
A triple function slitting, picking, and holding safety blade for use in the graphic arts trade; for slitting through, picking up, and holding portions of computer cut vinyl adhesive material. A slight rotation of a user's blade holding tool changes a blade's functi...
06/17/2008
7370384Combination wedge and notch trowel with reversible grip handle
The combination wedge and notch trowel includes a reversible grip handle and an integrated wedge, for applying cement or adhesive to a substrate surface for installation of tiles. The ergonomically contoured reversible handle allows a user to use the notch trowel in...
05/13/2008
7337545Folding knives
One exemplary embodiment of the present invention provides a folding knife comprising a blade (1), a blade housing (2) having an interior and an exterior, a folding element (7) connecting the blade (1) to the interior (4-1/4...
03/04/2008
7257900Canted saw blade
A saw blade incorporates an integrated cant angle. The saw blade includes a cutting portion having a toothed edge and opposite edge. The toothed edge defines a cutting plane. A shank portion extends from the cutting portion and is laterally offset from the opposite ...
08/21/2007
7127820Flexible flush cut saw
The invention described herein relates to a flush cut saw that is capable of safely making a flush cut. The saw has a handle with a thin, flexible blade extending therefrom. The blade has two elongated extensions running away from the handle. The extensions can each...
10/31/2006
7036228Multifunctional knife device
A multifunctional knife device has a main handle, a main blade having a tang inserted in the main handle, an auxiliary handle, an auxiliary blade having a serrated tang inserted in the auxiliary handle, and a spring inserted in the main handle and the auxiliary hand...
05/02/2006
6925920Knife holder and knife for a microtome
The invention relates to a knife holder for a microtome having a knife receiver for fixing and positioning a knife and a knife for the knife holder. The knife holder is ergonomic, the operation is made easier and safer, and the knife does not need to be changed as o...
08/09/2005
6848185Utility knife
A utility knife including: a body defining an interior cavity, and a blade carriage slidably disposed within the cavity. The blade carriage is configured for removably receiving at least one blade, and is at least partially slidably removable from the cavity, thereb...
02/01/2005
6834486Pivotal knife mounting arrangement
An improved mounting arrangement for a knife to a disc for use on a rotary disc cutter that eliminates the need for a threaded connector and the associated nut is disclosed. It also provides a positive retention method on the top side of the disc. In addition, it pr...
12/28/2004
6718640Cutting tool
A cutting tool having a blade and a member which is biassed toward a safety position, in which the member forms a guard for the blade, but which may be displaced for exposing the blade by bringing the tool into cutting contact with a workpiece. The cutting tool incl...
04/13/2004
6701627Composite utility knife blade
A composite utility knife blade and method of making such a blade involves butt joining a tool steel wire to a front edge of an alloy steel backing strip. The wire is electron beam welded to the backing strip to form a composite strip defining a first met...
03/09/2004
6671967Blades of gardening shears
A pair of gardening shears includes two blades which are pivoted together and are provided with a plurality of through holes. The through holes are arranged at intervals along the longitudinal direction of the blades and are progressively smaller in diame...
01/06/2004
6260280Knife with ceramic blade
A knife with ceramic blade including a body portion having a lower end. The lower end has a generally triangular lower portion extending downwardly therefrom. The lower portion has a lower end forming an apex. The apex has a channel formed therein extendi...
07/17/2001
6207294Self-sharpening, laminated cutting tool and method for making the tool
An explosive laminated cutting tool which provides a self sharpening edge. The improved cutting tool s preferably comprised of two softer metals adhered to a hard central layer forming the cutting edge, with the central layer being made of such a material...
03/27/2001
6113618Surgical saw with spring-loaded, low-noise cutting blade
A saw blade (12) for use with a surgical saw (10). The surgical saw has a head (18) that is driven in a oscillating motion in order to cause like motion in the saw blade. The saw blade has a base (22) that is dimensioned to be inserted into a slot (24) in...
09/05/2000
6079105Cable sheath stripping tool
A tool including a handle, a blade-carrying portion attached to a first portion of the handle and a guide portion attached to a second portion of the handle. The second portion of the handle is movable with respect to the first portion of the handle there...
06/27/2000
6067715Wire and cable stripping tool
The present invention is a tool for stripping a sliver-like section of the outer sheath from a multi-conductor cable or insulation from an insulated wire. The tool includes a blade and interconnected blade guide to strip the outer sheath from a cable or i...
05/30/2000
6065215Cutter wheel
A cutter wheel which can form a deep slit on an article to be cut so that the article can be broken easily along the slit and a perpendicular cut surface can be formed reliably when the article is broken along the slit. The cutter wheel is a disk-shaped m...
05/23/2000
5848621Cutter for steel strapping tool
A cutter implement, for use within a cutting tool in connection with the securing of a tensioned steel strap about a package wherein a pair of vertically overlapped end portions of the tensioned steel strap are supported upon an anvil, is provided with a ...
12/15/1998
5810857Surgical knife for controlled lengthening of an incision
A surgical knife has a blade portion including a sharp edge disposed in a first plane and a dull portion offset from the first plane by a selected amount substantially equal to the amount of desired lengthening. When the blade is inserted into a previousl...
09/22/1998
5697453Subsurface cutting tool
A subsurface weed tool which makes use of a variety of different detachable blade attachments to cut the roots of and other plants. The tool can be provided with a variety of different attachments, permitting it to be used for other purposes such as aerat...
12/16/1997
5673487Cutting pliers for plastic material sections, rubber-like joints and similar
Cutting pliers for plastic material sections, rubber-like joints and similar, including two levers (6, 7) articulated to each other on an axis (8) and kept spread apart by a spring (9), characterized in that one of the levers (6) supports an anvil (11) wh...
10/07/1997
5658304Wrenchless and adapterless collet system for surgical blades
A method and apparatus for use as a wrenchless and adapterless collet system for attaching an elongated surgical cutting blade to an oscillating surgical saw. The system comprises a collet adapted to mate with a particularly shaped blade hub. The collet h...
08/19/1997
5487915Perforating blade/label perforating
A web of labels, particularly linerless labels, is produced which has specially formed perforation lines that are neither too strong or too weak. Each perforation line comprises alternating cuts and ties, including a cut to tie ratio of 0.18×0.008 to 0.0...
01/30/1996
5468247Saw blade for powered medical handpiece
A powered medical handpiece including an oscillatingly driveable chuck, and a blade fixable on the chuck and oscillating driveable thereby at a small amplitude for cutting. The chuck comprises a platform, a holddown screw having an enlarged head surrounde...
11/21/1995
5445561Revolving blade skinning device and revolving blade thereof
A revolving blade skinning device and blade is described, in which a revolving blade is rotatably arranged between two covers, and wherein the revolving blade is embodied such that cutting edge areas with constant cutting edge radii alternate with notches...
08/29/1995
5440811Adjustable/indexable scraping tool
A hand held scraping tool for scraping across a work surface includes an elongate handle and a mounting body connected to a distal extremity of said handle by an arched neck member. The mounting body includes a substantially planer mounting surface with a...
08/15/1995
5439472Surgical handpiece chuck and blade
A blade with cutting part on one edge portion thereof has a remote end fixed in a chuck by pushing same end-wise into a slot in the chuck through a series of positions, namely (1) drop-out, (2) safety locked-in and (3) fully inserted locked-in....
08/08/1995
5433457Saw blade retention system
A saw blade retention system for retaining a saw blade to a reciprocating saw includes a shaft connected to the saw for reciprocation and having a slot for receiving the saw blade. The saw blade retention system also includes a chuck disposed about the sh...
07/18/1995
5424128Flexible cutting line with controlled drag
A monofilament line for a rotating string trimmer has a main body portion of a generally circular configuration. One or more sharp longitudinal cutting edges are integrally formed with the main body portion and protrude from the main body portion at an an...
06/13/1995
5414931Universal stripping blade
A blade for cutting insulation from an insulated electrical conductor. The blade includes first and second opposed surfaces interconnected by an end. The end has an opening extending at a compound angle toward the interior of the blade. The opening is def...
05/16/1995
5398739Rotary cutting head assembly
The present invention includes a rotatable cutting head assembly (12), such as for a planer or a jointer, which planes a work surface on a workpiece (22). The cutting head assembly (12) comprises a rotatable elongate support block (30), a pair of blades (...
03/21/1995
5398360Survival tool
An improved survival tool comprising a large knife having double-edged recurved blade with a chisel tip and ergonomically-designed hilt and full tang and having a pair of ergonomically-designed releasably attachable scales covering the hilt and tang formi...
03/21/1995
5365666Ergonomic knife structure
An improved ergonomic knife configuration is disclosed. The knife has a blade with an unsharpened notch formed on the upper, back surface of the blade and a thrust ramp located approximately above the quillion. The knife also has a shaped handle which in ...
11/22/1994
5340129Saw blade retention system
A saw blade retention system for retaining a saw blade to a reciprocating saw includes a shaft connected to the saw for reciprocation and having a slot for receiving the saw blade. The saw blade retention system also includes a chuck disposed about the sh...
08/23/1994
5337482Safety blade for utility knife
A blade for a utility knife is provided which has a trapezoidal shape with a cutting edge and a pair of side edges which converge towards a blunt back edge. A safety edge joins each of the side edges with the cutting edges. The safety edges intersect with...
08/16/1994
5297345Slicing knife with non-stick blade
A slicing knife comprises a handle and a blade extending from one end of the handle where the blade is generally rectangular in shape and has opposed edges honed to a knife edge. Formed into the thickness dimension of the blade are a plurality of zones of...
03/29/1994
5263972Surgical handpiece chuck and blade
A blade with a cutting part on one edge portion thereof has a remote end fixed in a chuck by pushing same end-wise into a slot in the chuck through a series of positions, namely (1) drop-out, (2) safety locked-in and (3) fully inserted locked-in....
11/23/1993
5203237Notched blade for rotary wire stripper
The invention is an improved cutting blade for use in connection with a rotary wire stripper. The blade is notched in a manner so as to define one or more chipping points along the blade's edge. The notches are interconnected by sharp sections of the blad...
04/20/1993
5135533Coated gall-resistant surgical saw blades
The present invention relates to a coated gall-resistant surgical saw blades. One such blade includes longitudinal ribs extending outwardly from the opposed faces thereof which combine to define a total blade thickness greater than the width of the latera...
08/04/1992
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