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Patent No. 5377411

Hair Cutting Appliance

A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Class 144/221 - Cylindrical cutter having spiral bit


Subclass of Class 144 - Woodworking
Definition: Rotary cutter formed by twisting a long blade spirally,
No. of patents: 28
Last issue date: 01/24/2012


NumberTitleIssue Date
8100156Cylindrical cutter with helical cutting line
A cylindrical cutter for machining wood, wooden materials and plastics, has at least one helical cutting edge, wherein a helix angle λs of the at least one cutting edge is in a range of 70° to close to 90°, a rake angle γr of the at least o...
01/24/2012
7258044Apparatus and process for cutting of extruded material
A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, ...
08/21/2007
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
7213623Stump cutting device with load-distributing tooth sockets
A cutting device includes a rotatable base defining a plurality of closed-sided, tooth sockets. A plurality of tooth assemblies are mounted within respective sockets. Each tooth assembly includes a tooth holder having a base-engaging portion adapted to fit into the ...
05/08/2007
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
7100648Plane-blade adjusting device for a planing machine
A plane-blade adjusting device for a planing machine includes a blade shaft, a plurality of plane blades, plural covers and plural eccentric tubular posts. The blade shaft body is provided with plural set flat surfaces for each plane blade to rest on and then each c...
09/05/2006
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
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
6776203Device for rapidly fixing blades onto the shafts of wood planers
The present invention relates to a shaft 4 for planers, of the type where the peripheral surface has, formed along it, longitudinal recesses 5 each housing a working blade 1 and a prism-shaped locking or retaining bar 2, with a system for...
08/17/2004
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
6546974Stump removal tool
A stump removal tool for boring around a stump at ground level. The stump removal tool includes an elongate member having a first end, a second end and outer peripheral wall extending between the first and second ends. The elongate member has a generally ...
04/15/2003
6367523Cutting tool device for wood planing machine
A cutting tool device for a wood planing machine includes a driving shaft having a cylindrical portion and a plurality of insert receiving channels. Each of the channels includes a knife seat wall surface and an abutment wall surface, which confine an acc...
04/09/2002
6152200Machine for making wood shavings for animal litter
Apparatus for creating wooden shavings for stock bedding from logs which includes a frame supporting a carriage bed and rotary carriage ring. Arcuately spaced rotary cutter means are provided on the carriage bed, and are positioned to contact logs support...
11/28/2000
6116305Rotary cutter
A rotary cutter is disclosed. The rotary cutter includes a roller having a plurality of flutes defined in the periphery thereof, and a plurality of blades arranged on the periphery of the roller along each of the flutes. Each of the flutes has a pair of h...
09/12/2000
5979520Device for smoothing panels or battens
An apparatus for smoothing a workpiece has a housing that is displaced relative to the workpiece in a direction and that carries a pair of augers provided with respective screwthreads having outer edges in contact with the workpiece. These augers are rota...
11/09/1999
5323823Wood router bit
A router bit for laterally cutting through sheets of wood product, such as plywood and the like. The bit includes a shank portion adapted to be gripped in the chuck of a router, a fluted portion, and a tip. The fluted portion has two helical left-hand flu...
06/28/1994
5127453Apparatus for removing branches from tree trunks
When conventional mechanical equipment for removing branches or limbs from a tree trunk is used, stumps of the branches removed remain on the tree trunk. The present invention avoids the creation of such stumps when a trunk (or a length of a trunk) is bei...
07/07/1992
5002104Cutterhead for an industrial woodworking machine
A cutterhead for an industrial woodworking machine which is operable to incorporate a sufficient number of knife rows to permit a staggered tooth arrangement for noise reduction or, alternatively, to provide improved surface finish at higher feed rates wi...
03/26/1991
4967855Drilling tool
A drilling tool, in particular for use in axially striking drive machines for drilling in rock, concrete or the like, which drilling tool is designed from both a vibration point of view by varying the abrupt changes in cross-section and from a drilling po...
11/06/1990
4936361Rotary cutter
A rotary cutter bar for a tree felling apparatus. The bar comprises a cylindrical rod having a plurality of raised cutting teeth on its surface. Each tooth is in the form of a short curved bar. The teeth are located on a plurality of equally spaced-apart,...
06/26/1990
4893662Cutting tool
A cutting tool for a planer or similar machine is described. The tool comprises a flat blade having a straight cutting edge, a blade holder for holding said blade for rotation about an axis and means for locating said blade on said holder to have said bla...
01/16/1990
4830073Planing tool for a woodworking machine
The head (1) of the planing tool includes a plurality of helical grooves (2) of dovetail cross-section uniformly distributed over its periphery. Wedging devices (6) with knives (5) resting thereon are insertable sideways in the grooves. Disposed in each w...
05/16/1989
4485858Cutter arbor having helicoidal cutters for wood planing machines
In a cutter arbor for wood planing machines, continuous flexible non-adjustable pre-ground cutters, to be thrown away after wear, are inserted into helicoidal slots of the arbor itself. These disposable cutters are characterized in that they are thin and ...
12/04/1984
4303605Production of layered toothpicks
A method and tool for making tapered, layered plastic toothpicks from a solid plastic slab wherein a rapidly rotating tool having a single cutting edge configured to simultaneously cut and roll a thin film of plastic into a toothpick of the desired shape ...
12/01/1981
4253506Spiral plane bit and rotary cutter incorporating same
A rotary cutter is provided with a spiral plane bit which comprises a mounting plate extending spirally in the axial direction with a constant width, the mounting plate being made in such a manner that it is spirally cut out of a hollow cylinder with the ...
03/03/1981
4243085Planer with noise-reducing means
This disclosure relates to a planer provided with means for reducing the noise emitted by the blade-retaining shaft. The blades have a cutting edge projecting from the rotary surface of the shaft. Ahead of each blade with respect to the shaft direction of...
01/06/1981
4131146Helical flaking head with multiple cutting circle diameters
A rotative, flaking, cutterhead in the form of a right regular cylinder with surface mounted helical shaped cutting blades. The cutterhead characterized by multiple and progressively increasing cutting blade circle diameters, said blades being closely gro...
12/26/1978
4074737Wood planer cutterhead design for reduced noise level
A helical cutterhead for a wood planer for reducing noise level during planing by supressing vibration and sound radiation by having more than one knife blade engaged in the workpiece at any instant by satisfying the minimum condition of the formula L=πD...
02/21/1978
 
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