U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."

Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 76/86 - Converging


Subclass of Class 76 - Metal tools and implements, making
Definition: Devices comprising a plurality of converging cutting or
No. of patents: 64
Last issue date: 03/17/2009


1    
NumberTitleIssue Date
7503241Device for sharpening the blade of a manual cutting tool
The invention relates to a device (1) for sharpening the blade of a manual cutting tool, in particular a knife. The inventive device comprises a support (2) provided with a cutout (4). Identical sharpening levers are arranged on each side of the...
03/17/2009
7235004Precision means for sharpening and creation of microblades along cutting edges
A knife-edge conditioning apparatus comprises at least one precision angled knife guide with one face of the knife blade maintained in sustained sliding or rolling contact and which guides the elongated edge of the blade into sustained contact with the hardened surf...
06/26/2007
7229344Blade sharpening tool
A blade sharpening tool includes a main body, a first grinding unit, a second grinding unit, and a protective jacket. The first grinding unit is directed toward a direction in line with the axial direction of the main body. Thus, when the first grinding unit is pres...
06/12/2007
7175023Chisel scabbard with removable insert
A chisel scabbard (10) comprises a pouch (12) and a belt clip (22). An insert (14) is received in the mouth (16) of the pouch (12) and is adapted to receive various sizes of chisel. A flat front surface (64) is provid...
02/13/2007
7172500Knife sharpener
A knife sharpener has a housing, a base, a sharpening device and an adjustable device. The housing has a case, a cavity and a slot. The cavity is defined in the case and the slot is defined in the case and communicates with the cavity. The base is mounted on the hou...
02/06/2007
7172499Tool for polishing the edge of a knife
A tool for polishing knife's edges, the tool (1) comprising two oppositely positioned and co-rotating rings of elongate honing studs (10), extended at intersecting directions forming an angle (α) wherein the knife's edge is inserted to be straightened...
02/06/2007
7121935Blade sharpener
A blade sharpener (10) comprises sharpening strip providing carriers (12) and (14) each including an obliquely extending linear sharpening strip providing rod (16) and carrier movement non-interference guiding means in the form of a slot ...
10/17/2006
7108595Apparatus for manual sharpening of the blades of cutting tools
An apparatus for the manual sharpening of blades of cutting tools, includes at least two sharpening elements each with at least one sharpening edge, wherein the sharpening elements can be disposed to be partially overlapping, and partially in contact with each other...
09/19/2006
7083503Method for sharpening the knife of a rotary trimmer and a rotary trimmer for realizing the method
A rotary trimmer includes a first trimming element having a first knife and a second trimming element having a second knife that operates jointly with the first knife. In order to sharpen one knife, the other knife is removed and is replaced with a sharpening disk. ...
08/01/2006
7066796Device for manually sharpening knives and other blades, comprising interchangeably mounted hard metal plates
A device for the manual sharpening of knives and other blades having exchangeably held carbide plates. The exchangeable carbide plates of manual sharpening devices are inserted or pushed into recesses or into a reception of the device body and must be fixed t...
06/27/2006
7052385Self-aligning blade angle guide
A device for use in the manual sharpening of arrow broadheads, razor blades and the like includes a unique symmetrical clamp and axle assembly having interchangeable, matched pairs of special purpose jaw members for gripping blades of differing configurations. When ...
05/30/2006
7018281Sharpening apparatus
The sharpening apparatus of the present invention preferably comprises a hand sharpener that may be assembled or mounted on the knife (e.g., sold mounted on the knife by the knife manufacturer or purchased separately and mounted on the knife by the end-user), and wh...
03/28/2006
7013772Method and apparatus for arrow shaft truing
A method and an apparatus for truing the interface between an arrow shaft or insert and the arrow tip is provided. A squaring tool having a frame with at least one V-shaped channel supports an arrow shaft in parallel with the frame longitudinal axis. A cutting tool ...
03/21/2006
6817269Edge sharpener
An edge sharpener for various implements is provided. The edge sharpener includes a sharpener body having a pair of sharpening elements secured to a sharpener body in a fixed angular relationship. The sharpening elements are moveable along this fixed angular relatio...
11/16/2004
6769326Device for sharpening the blades of sharp tools
A device for sharpening the blades of sharp tools includes a plate fitted with an opening letting through the tool blade, opposite which opening are provided two sharpening structures in the form of oblong spindles which cross one another. Both these sharpening spin...
08/03/2004
6769327Knife and blade sharpener
A knife sharpener (10) has pairs of overlapping, resiliently flexible fingers or strips (21-23, 31-33) to form opposed sharpening faces (27-29, 37-39) operable to engage at least one cutting edge (101) on a knife blade (102). The s...
08/03/2004
6634257Sharpening method and apparatus for rotary knives
A sharpening apparatus for a rotary knife blade includes a sharpening material support base and at least one lower sharpening device such as a metal pin mounted on the sharpening material support base. At least one upper sharpening device is mounted on th...
10/21/2003
6626066Folding sharpener tool
A foldable hand sharpening tool is disclosed, having an elongate body/handle with a first sharpening member pivotally mounted at one end which folds into the body when not used, and at the other end having a "V" shaped sharpening slot formed by opposing s...
09/30/2003
6393946Sharpener for single and double-sided blades
A sharpening tool for the sharpening of single and double-beveled edge knives, broadhead arrows and related implements. The sharpener comprises a body with a handle, a handguard, and recesses for detachably mounting pairs of rectilinear sharpening and non...
05/28/2002
6142038Knife and broadhead blade sharpener
A sharpening tool for the sharpening of knives, broadhead arrows and related implements. The sharpener comprises a body with a handle, a handguard, and recesses for detachably mounting rectilinear sharpening elements. The recesses are adapted so that the ...
11/07/2000
6117002Blade sharpener
A blade sharpener having a sharpening mechanism that functions to sharpen a blade engaging the mechanism and being moved longitudinally relative to that mechanism. The sharpening mechanism is located within a hollow housing or scabbard for containing the ...
09/12/2000
6039642Blade sharpener
A blade sharpener having a magazine slidably carried within a sleeve. The magazine contains two sets of three sharpening wheels carried for rotation within the magazine, which are positioned in a staggered relationship with respect to one another, such th...
03/21/2000
5679068Sharpening and deburring tool with unitary blade guard and handle
A hand-held sharpener tool for a knife or similar implement comprises a unitary body having first and second sections; sharpening elements mounted in the first section; the second section being located rearwardly of the sharpening elements and comprising ...
10/21/1997
5673599Double-ended sharpening and deburring tool
A hand-held sharpener tool for a knife or similar implement comprises a unitary body having first and second end sections and a third mid section, processing elements such as sharpening, deburring or whetting elements mounted in the first and second secti...
10/07/1997
5655959Knife edge sharpener
Apparatus for providing a sharpened edge on an elongated cutting tool comprising a base member having an elongated slot therein and a pair of elongated sharpening elements each pivotally mounted on the base member at opposite sides of the upper end portio...
08/12/1997
5505107Method and apparatus for sharpening cutting blades
A sharpener has two sharpening members pivotally mounted on opposite sides of a reference plane. Each sharpening member includes a counterweight portion below its pivot and a sharpening portion above its pivot. The sharpening portions have convex sharpeni...
04/09/1996
5488885Sharpening and deburring tool with blade guide
A hand-held sharpener tool for a knife or similar implement comprises a unitary body having first and second sections; sharpening elements mounted in the first section; the second section being located rearwardly of the sharpening elements and comprising ...
02/06/1996
5440953Knife sharpener
A knife sharpening device includes a vertically-oriented base having a vertically-oriented slot. Mounted on the base, on one side of the slot are two crossed sharpening members of a rod-like configuration. A lower end of each of the crossed sharpening mem...
08/15/1995
5431069Sheet metal edging files
A sheet metal edging file comprises a frame with a base and two side arms which extend upwardly. The side arms are formed in a generally planar configuration with an inner surface, an outer surface, parallel short end edges and parallel long side edges. T...
07/11/1995
5400679Ski edge sharpening device
A sharpening device is provided for an edge of a ski which consists of a handle to be gripped by a hand of a person. A pair of Y-shaped flexible arms extend from the handle. A pair of sharpening members are also provided. A structure is for holding the sh...
03/28/1995
5377563Knife sharpener
A knife sharpener having a specially configured sharpening groove for sharpening knives or the like to a particularly narrow and sharp edge. The sharpener comprises a body member having a rectangular extension which has a recess for engaging the sharpenin...
01/03/1995
5287661Device for sharpening multiple fish hooks
A hand-held device is described for simultaneously sharpening the points of multiple fish hooks, particularly double and treble hooks in which the concave hook sharpening member is provided with abrasive surfaces for honing the hook points by longitudinal...
02/22/1994
5163251Hand-held knife sharpener
A handy knife sharpener comprising two symmetric side frames connected together to hold two crossed abrasive rods therein for sharpening cutting tools, wherein the peripheral edge thereof comprises a hand-hold portion at one end for comfortable and positi...
11/17/1992
5157879Broadhead arrow sharpener
A device particularly suited for sharpening broadhead arrows and having sharpening surfaces which are curved in the direction the broadhead travels as it is sharpened. In a preferred embodiment, the sharpener comprises two sharpening surfaces to sharpen b...
10/27/1992
5139138Combination razor and container with sharpener
A razor assembly for shaving, and a combination razor assembly and container for sharpening the razor, is provided. A razor body includes a blade carrier with a reusable blade. A blade guard engages the blade for guiding over the skin surface during shavi...
08/18/1992
5121659Blade sharpener
A blade sharpener of the kind having a pair of overlapping plates which are relatively arranged to form a vee shaped sharpening recess between them. Each of the opposite sloping sides of that recess is formed by an operative edge of a respective one of th...
06/16/1992
5099721Steeling apparatus for annular rotary knife blades
Apparatus for steeling an inside and an outside annular surface that together form a cutting edge of an annular rotary knife blade. Two or more steeling members are utilized, to separately contact the inside surface and the outside surface of the blade. A...
03/31/1992
5046385Cutting edge straightening, aligning and sharpening device
A device for straightening, aligning and sharpening a cutting edge. The device is composed of a base member with an elongated slot transverse to the longitudinal axis of the base member to permit passage of a cutting blade therethrough; a pair of edge sha...
09/10/1991
5040435Knife edge deburring apparatus
A knife deburring or steeling device includes a frame with an elongated knife blade-receiving slot. Deburring rods are crossed over the knife slot in an X-shaped configuration, with the ends of each rod being fixed to slide members having shanks extending...
08/20/1991
5040256Combination tape measurer and sharpener
A combination tape measurer, pencil sharpener and knife blade sharpener is provided. The pencil and knife blade sharpeners are provided on a separate insert that is fitted onto the tape measurer. This allows each component to be used without interfering w...
08/20/1991
1    
 
Sign InRegister
Username  
Password   
forgot password?