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

Icon_funbox Famous Patents

William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.

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 144/230 - Having slotted bit seat


Subclass of Class 144 - Woodworking
Definition: Rotary cutter comprising a built-up cutter formed by inserting
No. of patents: 182
Last issue date: 10/11/2011


1          
NumberTitleIssue Date
8033308Double-sided wear insert for a chipper
A double-sided wear insert, for a knife assembly that includes a knife, a clamp, and a holder. In one embodiment, the wear insert can be turned end-for-end, and in another embodiment the wear insert can be flipped up-side down, to double the service life of the part...
10/11/2011
7891388Knife and knife assembly for a planer side head
A knife and knife assembly for a planer side head. An L or an LV type side planer head is retro-fitted with knives having substantially less mass than the knives originally provided for these heads. ...
02/22/2011
7735531Planing head for a planing machine and method of manufacture thereof
A planing head, cylindrical body for a planing head and a method of manufacture thereof are provided. The planing head includes a cylindrical body having an axis of rotation, an outer surface around the axis of rotation, and opposite first and second end faces. A pl...
06/15/2010
7424900Finger cutter
Cutting portion regions of replaceable blades that extrude outward in a radial direction at a plurality of portions in a peripheral direction of an outer periphery of a body of a finger joint cutter are arranged in that, as for a cutting portion material that compri...
09/16/2008
7409972Knife assembly for a chipper
A knife assembly for a chipper, which is intended to be installed in the knife frame includes a counter knife, a reversible knife including two cutting bevel edges, and a clamp. In addition, the knife assembly includes securing devices for securing the clamp and at ...
08/12/2008
7367367Replaceable tooth block for split wheel stump cutter
A stump grinding apparatus having a split cutting wheel includes several replaceable cutter blocks secured to the periphery of the wheel. One or more replacement teeth are removably anchored in holes in each block and may also be mounted on holes in the side of the ...
05/06/2008
7343946High speed planer head
A high speed planer head. Disclosed according to one aspect of the invention is a hub and a threaded member. The hub is axially disposed for rotation about an axis, and has a pocket for receiving a first knife against a supporting wall of the pocket. The threaded me...
03/18/2008
7300231Cutting tool carrying device for machine tool
A cutting tool carrying device includes a carrying member having one or more compartments formed in an outer peripheral portion each for receiving a base member, and a follower slidably engaged into each of the base members for supporting a cutting member. An adjust...
11/27/2007
7287938Machine tool
A machine tool has a rotatable tool holder formed with an outwardly open seat having an outwardly directed floor and a cartridge engaged in the seat, carrying a cutting insert, and formed with an inwardly open groove defining a groove axis and having a surface confr...
10/30/2007
7237586Rotatable cutting tool
There is provided a rotatable cutting tool for supporting at least one knife in at least two alternate angular cutting configurations. The cutting tool includes a body that defines at least one cavity extending generally in a longitudinal direction of the body. Each...
07/03/2007
7226257Router bit with position stop
A router bit with a position stop is disclosed. The router bit includes a body with a collar extending outwardly from it and a shaft extending outwardly from the collar. At least one cutter blade is mounted to the body and the cutter blade may be used to cut a profi...
06/05/2007
7216682Split wheel stump cutter with replaceable tooth blocks and cutting teeth
A stump grinding apparatus having a split cutting wheel includes several replaceable cutter blocks secured to the periphery of the wheel. One or more replacement teeth are removably anchored in holes in each block and may also be mounted on holes in the side of the ...
05/15/2007
7210511Intermediate product, method and device for producing wood chips
The invention relates to an intermediate product, a method for processing the intermediate product and a wood chipping device for processing the intermediate product. The intermediate product is substantially rod shaped and is sized in a range that includes between ...
05/01/2007
7198436Multi-blade router tool, edger with multi-blade router tool, and method of edging eyeglass lenses
The present invention relates to a router tool for edging the peripheral edge of eyeglass lenses. The tool comprises a longitudinally extending body rotatable on the axis thereof. A first blade extends axially and radially from the body, and has a first cutting port...
04/03/2007
7159626Multi-application wood working knife and clamping assembly
A wood working knife for use in a wood working machine, comprising a knife body having a first cutting edge and an opposed second cutting edge, the knife body having a first clamping surface and a second clamping surface. The first clamping surface has opposed clamp...
01/09/2007
7140408Knife assembly and chipping knife therefor
A knife assembly and chipping knife therefor. The knife assembly includes a knife, and employs an upper clamping member and a lower clamping member for clamping the knife therebetween. The knife has an elongate axis and two spaced apart cutting edges parallel to the...
11/28/2006
7140407Configurations and designs for stump grinding teeth and corresponding holding brackets
A new design and configuration for tree stump cutting tooth and its corresponding holding bracket. Notch(s) on the tooth and rib(s) on the bracket are used to allow fast installation of tooth without gauging, reduced the time needed for such necessary tasks. The not...
11/28/2006
7134462Rotary cutter for a wood planing machine
A rotary cutter of a wood planing machine includes: a rotary shaft that has alternately disposed fan-shaped vanes and fan-shaped grooves; and blades secured respectively to the fan-shaped vanes. Each of the fan-shaped vanes has a leading face and a trailing face. Ea...
11/14/2006
7124795Stump cutter device and cutter insert unit for the stump cutter device
A cutting tool for a stump cutter device, having a holder and at least one cutter insert unit, wherein the cutter insert unit has a cutter head and a shank, and wherein the cutter insert unit can be connected with the holder by its shank. To achieve a simple and cos...
10/24/2006
7100651Stump grinding disk and wear strips therefor
A stump grinding disk includes a metallic wheel defining an axis of rotation and including a pair of side surfaces and a circumferential outer edge surface. The outer edge surface includes a plurality of circumferentially spaced recesses. Each recess extends axially...
09/05/2006
7100649Rotary cutter for a wood planing machine
A rotary cutter includes: an elongated shaft that defines a rotation axis and that has two opposite mounting ends, and at least one axially extending blade-mounting surface parallel to the rotation axis and extending between the mounting ends; a pair of blade-aligni...
09/05/2006
7090158Dual arbor scrap chopper and chopper blade
A dual arbor scrap chopper is disclosed having a number of chopper blades attached to each arbor. The blades are designed to be more easily fitted into a blade recess formed on the arbor, and are preferably designed to provide a blade cutting surface which more clos...
08/15/2006
7080963Milling tool having an adjustable insert seat
A milling tool includes insert seats in which respective cutting inserts are disposed. Positioned in each seat is a wedge plate which is adjustable relative to the tool body in a direction of wedge adjustment. A cutting insert is supported on the wedge plate and sec...
07/25/2006
7069967Power tool
A planer including a housing having a base planing surface for contacting a workpiece, a rotatable blade cylinder located within said housing and including more than one cutting blade for engaging with and planing the work piece. A drive means is associated with the...
07/04/2006
7069969Wood cutting knife assembly providing improved knife stability
A wood chipping or cutting knife assembly providing improved knife stability. A number of control surfaces and other geometric features are provided to stabilize the knife in the assembly. An improved splitter is also provided for the knife assembly. ...
07/04/2006
7051776Rotary cutter for a wood planing machine
A rotary cutter includes: an elongated polygonal shaft that defines a rotation axis, that has blade-mounting surfaces parallel to and surrounding the rotation axis, and that is formed with blade-aligning studs for aligning a blade, the blade-mounting surfaces being ...
05/30/2006
7044694Router bit with position stop
A router bit with a position stop is disclosed. The router bit includes a body with a collar extending outwardly from it and a shaft extending outwardly from the collar. At least one cutter blade is mounted to the body and the cutter blade may be used to cut a profi...
05/16/2006
7011261Cutting tool of a cutting machine used for cutting plastic materials into granules
A cutting machine used for cutting elongate plastic materials into granules includes a cutting tool, which consists of a roller-shaped body, several knives, and soft metallic bars; the roller-shaped body has lengthwise extended holding trenches spaced on an outer si...
03/14/2006
7007874Shroud assembly for waste processing machine
A shroud assembly for a waste processing machine includes a shroud for attachment to an engine of the waste processing machine. The shroud assembly also includes a plurality of fasteners for attaching the shroud to the engine of the waste processing machine, whereby...
03/07/2006
RE38930Knife holder for a chipper disc
An improved knife holder for a chipper disc. A knife holder for boding a knife has a first clamping portion and a second clamping portion for clamping the knife therebetween. One of the clamping portions pivots about a pivot point for clamping the knife and for rele...
01/10/2006
6968879Knife and apparatus for clamping a knife
A knife and apparatus for clamping the knife. The knife has front and back sides that, preferably, both include interlocking features adapted for interlocking engagement with corresponding inner and outer clamping members, to prevent slippage of the knife from the c...
11/29/2005
6964208Measuring device for wood cutting tool
A measuring device for setting up powered wood tools and the like includes an elongated body defining a straight edge adapted to abuttingly support the measuring device on a bed of the wood forming machine adjacent the cutter head of the machine. The measuring devic...
11/15/2005
6962468Clamping device for tool holder
A tool assembly includes a support body, a clamping device, and a tool holder clamped in a groove of the support body. A stopper block is disposed in the groove and abuts against the tool holder for positioning the tool holder along an axis. The stopper block is hel...
11/08/2005
6942431Rotatable cutting tool with a fine-adjustment mechanism for a cutting insert
A rotatable cutting tool, e.g., a milling cutter, includes a rotatable base body and a cutting insert, which in addition to two opposite side surfaces has front and rear end surfaces. For axial fine-adjustment of the cutting insert, a set screw is arranged that is l...
09/13/2005
6926051Planing cutter
The invention is a planing cutter with a cylindrical cutter body (1) with recesses (3) along its enveloping surface. Each recess is delimited by a front wall (4), a rear wall (5) and a bottom (6) and contains a cutting element (...
08/09/2005
6916137Clamping device for tool holder
A tool holder is held in a support body by a clamp which is wedged between the support body and the tool holder. The clamp is secured in the support body by a threaded fastener that extends through a through-hole formed in the clamp. The fastener carries a flange wh...
07/12/2005
6896017Rotatable cutting tool
There is provided a rotatable cutting tool for supporting at least one knife in at least two alternate angular cutting configurations. The cutting tool includes a body that defines at least one cavity extending generally in a longitudinal direction of the body. Each...
05/24/2005
6662837Replaceable blades for wood chippers
Single-edged wood chipper blades which can be repeatedly removed from a wood chipper and sharpened, as needed, to prevent the need for disposing of multiple conventional blades over a prolonged period of repeated use. Each of the replaceable blades typica...
12/16/2003
6644369Cutter unit for a wood planing machine
A cutter unit includes two positioning bars mounted securely in a retaining groove of a rotating axle to define a cutter-receiving chamber therebetween. A cutter positioning block is disposed in the chamber. A first side face of the cutter positioning blo...
11/11/2003
6626214Cutter for a wood planing machine
A cutter for a wood planing machine includes a block piece having a blade-mounting face that is formed with a positioning groove, and a blade attached to the blade-mounting face and having a plurality of positioning tabs projecting into and engaging the p...
09/30/2003
1          
 
Sign InRegister
Username  
Password   
forgot password?