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.
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.
| Number | Title | Issue Date |
| 8100156 | Cylindrical 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 |
| 7258044 | Apparatus 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 |
| 7237586 | Rotatable 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 |
| 7213623 | Stump 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 |
| 7100649 | Rotary 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 |
| 7100648 | Plane-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 |
| 7051776 | Rotary 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 |
| 6896017 | Rotatable 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 |
| 6776203 | Device 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 |
| 6626214 | Cutter 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 |
| 6546974 | Stump 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 |
| 6367523 | Cutting 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 |
| 6152200 | Machine 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 |
| 6116305 | Rotary 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 |
| 5979520 | Device 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 |
| 5323823 | Wood 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 |
| 5127453 | Apparatus 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 |
| 5002104 | Cutterhead 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 |
| 4967855 | Drilling 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 |
| 4936361 | Rotary 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 |
| 4893662 | Cutting 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 |
| 4830073 | Planing 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 |
| 4485858 | Cutter 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 |
| 4303605 | Production 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 |
| 4253506 | Spiral 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 |
| 4243085 | Planer 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 |
| 4131146 | Helical 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 |
| 4074737 | Wood 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 |