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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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| Number | Title | Issue Date |
| 8137102 | Fluid-operated medical or dental handheld element A fluid-operated medical or dental handheld element is disclosed, having a connecting device for connecting the handheld element to a fluid source so that a first impeller can be induced to rotate by a fluid stream to cause a tool to execute a driving motion, a flui... | 03/20/2012 |
| 7927101 | Handpiece and method for preventing occurence of sucking-back in the handpiece A handpiece and a method for driving the handpiece are provided in which a sucking-back problem can be prevented with a simple structure. The handpiece 10 has a gripping portion 11 to be gripped by an operator, a head 15 mounted at a distal end ... | 04/19/2011 |
| 7329123 | Air-driven cutting device for medical treatment A dental cutting device has a head portion (10) which accommodates a rotary cylinder (20) for holding a cutting tool (22), and a turbine blade (21) mounted around and secured on the rotary cylinder (20). Air fed from an air-supply ... | 02/12/2008 |
| 7217129 | Medical or dental-medical handpiece having at least one rotary part The invention relates to a medical or dental-medical handpiece having a rotary part, in particular a turbine rotor. In order to improve the handpiece with regard to small construction, running noise and economical construction, there is provided a roller bearing for... | 05/15/2007 |
| 7207798 | Mechanized dental instrument A mechanized dental instrument includes an active part (2) and a sleeve (3) arranged on an end of the dental instrument which opposes the active part. The sleeve (3) is provided with a rotary drive means (4) that can, when assembled with ... | 04/24/2007 |
| 7192279 | Dental handpiece A dental handpiece including a handpiece body with a head mounting seat, with a gas feeding channel, wherewith the seat is adapted to provide a full turn of the head. The head includes a turbine and an gas feeding aperture to the turbine. A micromotor is included ha... | 03/20/2007 |
| 7140880 | Medical or dental-medical handpiece having a rotary part mounted in a roller bearing The invention relates to a medical or dental-medical handpiece having a rotary part which is rotatably mounted in a bearing bush by means of a roller bearing having an inner ring and an outer ring. In order to improve the handpiece with regard to an axial limiting o... | 11/28/2006 |
| 7137633 | Wrench-free manual chuck turbine A manual chuck includes a turbine having a centrally disposed aperture and a spindle including an elongated shaft portion positionable into the aperture in a substantially vertical direction. The spindle further includes a head portion integral with the shaft portio... | 11/21/2006 |
| 7048540 | Air-driven cutting device for medical treatment A air-driven cutting device for medical treatment (a handpiece (10)) comprises a housing (18) for a head portion (14). The housing (18) accommodates a rotary cylinder (60) for holding a cylindrical cutting tool (46) inserted... | 05/23/2006 |
| 7021854 | Surgical arm assembly including quick connect mechanism A surgical arm system for holding and positioning one or more instruments during a surgical procedure includes at least one quick connect mechanism that beneficially allows for simple and expeditious, yet reliable disassembly and reassembly of the arm by any member ... | 04/04/2006 |
| 7011519 | Dental unit A dental unit comprises at least one chair, a base, positioned next to the chair and mounting a handpiece tray. The tray is equipped with a plurality of operative or auxiliary handpieces for dental operations of traditional conservative type and/or for implants. At ... | 03/14/2006 |
| 6945477 | Cryogenic coupling device A cryogenic coupling device includes a valved receptacle and a valved nozzle. Rollers in an outer collar of the receptacle are received in helical channels along a collar of the nozzle. A notch or detent in each of the channels provides a vent position to vent fluid... | 09/20/2005 |
| 6942451 | Damping system for an expendable gas turbine engine A dampening system for a miniature high-speed turbojet engine provides single or multiple resilient mountings for forward and aft bearings which mount a rotor shaft. The self-induced first engine order of the rotating rotor shaft is transmitted through the forward a... | 09/13/2005 |
| 6918302 | Apparatus and method for measuring resonance in bearing device An additional mass member 22 for measuring resonance of a bearing device comprises an elastic ring 30 having an inner periphery 30a larger in diameter than the outer periphery of the outer ring 24 of the bearing device 25 an... | 07/19/2005 |
| 6790039 | Dental turbine support structure A support structure for a turbine motor for use in a dental handpiece includes a pair of resilient rings to capture and limit rotation of an outer race of a bearing supporting a rotor of the turbine motor. The turbine motor is supported by first and second bearing a... | 09/14/2004 |
| 6764307 | Polymer-metal composition retainer for self-lubricating bearing The retainer of the present invention is made of a composite material having a body made from a polymer, a layer of solid lubricant formed over the body by chemically coating the body with a porous layer of solid lubricant and impregnating the solid lubricant with a... | 07/20/2004 |
| 6676374 | Air-driven rotating and cutting device for use in medical and dental procedures An air-driven rotating and cutting device or handpiece has a double-wheel rotor. The handpiece includes connecting channels for guiding air from first turbine blades to second turbine blades. Each of the channels is defined by an opening opened toward a d... | 01/13/2004 |
| 6599124 | Dental handpiece with angular contact ball bearings A dental handpiece is disclosed, which includes a burr sleeve, upper and lower ball bearings for rotatably supporting the burr sleeve, a rotor fixed to the burr sleeve between the upper and lower ball bearings and rotated for rotatably driving the burr sl... | 07/29/2003 |
| 6579093 | High speed turbine cartridge for use with a medical/dental handpiece A high-speed medical/dental handpiece includes a handle, which carries air, water, and light to a disposable cartridge which is received on the sleeve. The cartridge includes a head portion and a sleeve portion. The cartridge head defines a chamber having... | 06/17/2003 |
| 6425761 | Drive system for dental handpiece A drive system for dental handpieces, having a rotor (12) secured to a motor shaft (11), an anti-friction bearing system (13, 14), including an inner bearing race (17), an outer bearing race (18) and a plurality of rolling elements (19) arranged between t... | 07/30/2002 |
| 6315560 | High-speed dental drill A high-speed dental drill is comprised of a hand piece having a drill head at an end thereof. A turbine assembly is supported in a turbine chamber inside the drill head. The turbine assembly has a chuck which is rotatably secured between bearings. An impe... | 11/13/2001 |
| 6273718 | Dental handpiece A dental handpiece has a head housing having a turbine chamber and an annular channel. First and second bearings are provided on opposite sides of the turbine chamber in the head housing. An air-driven turbine rotor is arranged in the turbine chamber and ... | 08/14/2001 |
| 6270342 | Dental laser treatment hand-piece and system A handpiece is presented which utilizes fluid channels instead of electric wiring to provide power to a treatment device. These fluid channels operate a micro-turbine generator that provides electrical energy to treatment devices. Each micro-turbine gener... | 08/07/2001 |
| 6270345 | Vane motor for dental and medical handpieces An arrangement for driving a rotary dental or medical tool attached to a handpiece includes a vane motor that is compact enough to be mounted within the head of the handpiece. The vane motor includes a rotor, which is mounted within an eccentric bore of a... | 08/07/2001 |
| 6164831 | Rolling bearing for high-speed rotating equipment A rolling bearing for a high-speed rotating equipment is constructed of an outer ring, an inner ring, rolling elements and a retainer to rotatably support at least a rotary shaft thereon. The rolling elements are non-metallic inorganic balls. The retainer... | 12/26/2000 |
| 6152736 | Dental turbine A dental turbine comprises a rotor (10) which is rotatably accommodated in a housing (12), the housing (12) having an outlet opening (23) for propellant air which causes the rotor (10) to rotate. The rotor (10) comprises a flow duct whose outlet opening (... | 11/28/2000 |
| 6149430 | Integrally molded dental appliance and process for its manufacture The invented dental apparatus and method for its manufacture involves an integrally molded, polymeric, unitary, hand piece having fluid conduits formed therein during the molding process for conducting fluid, e.g. air, under pressure from a proximal end h... | 11/21/2000 |
| 6146137 | Contamination prevention device for ultra high speed dental type handpieces A gas turbine operated handpiece instrument having a spin able front shaft mounted bur that is operated by pressurized gas or air. Two embodiments are disclosed. In one a flexible rubber like PVC one-way pinch valve is mounted on an exterior gas exhaust s... | 11/14/2000 |
| 6120291 | Turbine handpiece The invention relates to a turbine handpiece (1), in particular for medical or dental-medical purposes, having a drive shaft (2), rotatably mounted in the forward end region of the handpiece (1), with which a tool can be connected by a mounting device, wh... | 09/19/2000 |
| 5984654 | Compressed air driven disposable hand tool having a rotor with radially moving vanes A fluid reaction device (10) is provided having a rotor (90) with vanes (92) pivotably connected thereto. The device (10) includes an entrance (30) for elevated pressure fluid and an outlet (40) for discharge of the fluid after contacting the rotor (90). ... | 11/16/1999 |
| 5947485 | Collet assembly and manufacturing process An Improved Collet Assembly and Manufacturing Process is disclosed. Also disclosed is an improved collet that includes a spindle, a center portion comprising several tabs and a collar. The disclosed collet is manufactured from a single piece of stock, and... | 09/07/1999 |
| 5938441 | Air driven low speed dental handpiece motors Air driven dental handpiece motors include a tubular housing and a rotor rotatably supported within the housing. One motor is geared down by the provision of a plurality of idler gears rotatably supported on a hub which rotates between a sun gear on the o... | 08/17/1999 |
| 5921777 | Dental and surgical handpiece with disposable cartridge A dental and surgical handpiece with disposable cartridge of the present invention includes a reusable handpiece and a disposable cartridge. The disposable cartridge contains all the major moving parts that provide torque and RPM for high speed dental dri... | 07/13/1999 |
| 5911579 | Dental handpiece with baffle for stabilizing rolling bearing cage A dental handpiece is disclosed which includes: a head housing provided at a distal end of the dental handpiece, a burr sleeve for unrotatably holding a dental treatment tool, upper and lower ball bearings for rotatably supporting the burr sleeve, each of the upper... | 06/15/1999 |
| 5908295 | Dental handpiece with lighting means A dental handpiece is disclosed, which contains a handpiece body for giving dental treatment on a site in oral cavity of a patient, and an optical semiconductor device in the handpiece body for illuminating the site during the treatment. The optical semic... | 06/01/1999 |
| 5902108 | Air turbine handpiece An air turbine handpiece comprises a grip portion and a head portion disposed at a tip of the grip portion. In the handpiece, a rotor is disposed in a chamber in the head portion, and a cutting tool is detachably attached to a rotation shaft which is rota... | 05/11/1999 |
| 5897317 | Dental handpiece with disposable filter cartridge Dental drill handpiece having a disposable filter cartridge for cleaning drive air, water, chip air, and exhaust passing through the handpiece.... | 04/27/1999 |
| 5846078 | Dental angular instrument holder In a dental angular instrument holder (10) a turbine (142) for driving a clamping chuck (62) for an instrument (64) is installed in a handle part (12) and is supported on a drive shaft (70) passing through a neck part (14). Thedrive shaft is fixedly conne... | 12/08/1998 |
| 5810588 | Clamping device particularly useful for dental handpieces A clamping device for clamping a rodlike member to a housing, particularly a dental tool to a handpiece, includes a tapered sleeve and a tapered collet received within the tapered sleeve, both having open ends for receiving the rodlike member. A depressib... | 09/22/1998 |
| 5807108 | Dental handpiece A dental handpiece includes a turbine arranged in a handpiece head for rotating a tool, wherein the turbine is supported by slide bearings or roller bearings arranged on the side of the rotor or turbine facing the tool and on the side of the rotor or turb... | 09/15/1998 |
