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Class 433/131 - Having motor


Subclass of Class 433 - Dentistry
Definition: Apparatus wherein the hand-held tool or handpiece is provided
No. of patents: 52
Last issue date: 03/13/2012


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NumberTitleIssue Date
8133053Electric motor for use in a dental, dental-medical or dental-technical handpiece and stator therefor
In an electric motor for use in a dental, dental-medical or dental-technical handpiece, having a rotatably mounted rotor and a stator surrounding the rotor, the stator is surrounded by a sheathing having an inner sleeve, on the outside of which there are arranged fu...
03/13/2012
7997899Dental, dental-medical or dental-technical handpiece with electric motor
In a dental, dental-medical or dental-technical handpiece, having an elongate grip sleeve there are provided at the rearward end of the grip sleeve coupling elements for the connection of the handpiece to a supply hose to be connected with a dental supply arrangemen...
08/16/2011
7284981Functional handpiece having a light emission element at its forward end
Functional handpiece 1 having an elongate handpiece body which has at its rearward end a connection element for connection with a flexible supply line, and has at its forward end a light emission element of a light permeable material for the illumination of the trea...
10/23/2007
7234240Electrical hair care or removal appliance
The invention is directed to an electrical appliance, in particular an appliance for hair removal or hair care, with at least one electric power unit, an electric circuit connected thereto and including an On/Off switch, and a fluid circuit feeding a fluid from a re...
06/26/2007
7214255Aerosol method and apparatus for making particulate products
Provided is an aerosol manufacture facility including an aerosol generator (600), an aerosol heater (604), an aerosol cooler (604), a particle collector (606), a precursor liquid supply system (608), a carrier gas supply system (
05/08/2007
7080980Dental hygiene device
A dental hygiene system provided with interchangeable dental heads permits power-enhanced brushing and concurrent fluid irrigation to optimize a user's personal dental hygiene efforts. The system has a handle assembly with an irrigation nozzle in close proximity to ...
07/25/2006
6964076Electric toothbrush
In one aspect, the present invention is directed to an electric toothbrush. The toothbrush includes a housing, an electric motor, a first transmission and a second transmission. The electric motor is connected to the housing has a motor output member for rotation ab...
11/15/2005
6902337Dentifrice dispensing electrical toothbrush
A dentifrice dispensing electrical toothbrush using a replaceable dual-channel brush head. The dual-channel brush head has a first channel for housing a drive shaft for bristle oscillation and a second channel for dispensing the dentifrice material. The brush head i...
06/07/2005
6721986Electric toothbrush
In one aspect, the present invention is directed to an electric toothbrush. The toothbrush includes a housing, an electric motor, a first transmission and a second transmission. The electric motor is connected to the housing has a motor output member for rotation ab...
04/20/2004
6616446Working device for drilling, cutting and screwdriver instruments used for medical purposes
The invention concerns an electric drive device for medical applications, especially for driving drills, cutting instruments and screw drivers. Such endo-instruments have predetermined working rotation areas and comprise maximally permissible torque load ...
09/09/2003
6582405Electrically-driven dental injector
An electrically-driven dental injector used in orally injecting such an injection liquid as an anesthetic in dental treatment. Electrically-driven dental injectors includes one having a mechanism for disengaging a pinion (82) from a rack (48) in order to ...
06/24/2003
6446294Electric toothbrush
An electric toothbrush is provided which includes an elongate body having an interior cavity, a power source mounted within the cavity, an elongate drive shaft driven rotatably by the power source, a camwheel mounted on the drive shaft, a yoke with projec...
09/10/2002
6425761Drive 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
6132213Dental tool holder
Dental handpiece with an instrument section (1) for accepting a dental tool and with a second, hose section (2) which is capable of being detachably coupled to the instrument section and to which a media delivery line for the delivery of certain supply me...
10/17/2000
6126442Motorised handpiece
Motorised handpiece, more particularly for used by dentists or dental technicians, the rotary movement of a motor being transmitted to a tool which can be clamped with the aid of a clamping mechanism. To this end, the rotary movement of the motor is trans...
10/03/2000
6042377Dental handpiece with detachable motor
A dental handpiece having a detachable motor. The dental handpiece includes a handpiece body having a dental tool, a driving section detachably connected to the handpiece body, the driving section further including a motor for operatively driving the dent...
03/28/2000
5980248Motor controller for a dental handpiece
A motor controller for a dental handpiece comprising a torque detection means for detecting the load torque applied to a cutting tool, and a control means for stopping a cutting tool drive motor, reducing the rotation speed of the motor or temporarily rev...
11/09/1999
5944523Dental assembly having multi-movement motor
A motor and handpiece assembly for driving a dental tool has a contra-angle and a motor. The contra-angle has a handle, a neck connected to the handle, and a head connected to the neck and adapted to hold the dental tool. The motor is adapted to drive the...
08/31/1999
5924864Handpiece for medical purposes, in particular for a medical or dental treatment device, preferably for a cutting treatment of a dental root canal
In the case of a handpiece (3) for medical purposes, preferably for a cutting treatment of a dental root canal, with a tool holder (5) arranged in the front end region of the handpiece (3), with a retaining coupling (16) for detachable fastening of the to...
07/20/1999
5689159Surgical tool system with brushless, sensorless motor
A powered medical instrument includes a manually operable foot switch coupled to a motor control unit which in turn is coupled to an autoclavable handpiece containing a brushless sensorless electric motor driving a tool. The motor control arrangement incl...
11/18/1997
5639236Root canal dental handpiece
This invention is a new handpiece for performing semi-automatic root canal procedures. The handpiece is a lightweight, low rpm, cordless and rechargeable file motor. The file is spun in a counter clockwise direction while the entire handpiece is moved in ...
06/17/1997
5538423Apparatus for controlling operational parameters of a surgical drill
The present invention relates to a dental drilling system having a programmable control unit. The control unit controls operating parameters of the drilling system, such as the direction of rotation, the speed of rotation and the torque of a tool bit of a...
07/23/1996
5504961Electric toothbrush with drive release
An electric toothbrush includes a handle section having a motor drive and a drive shaft coupled to the motor drive by a translating device, and a brush section having bristle assembly and a transmission shaft unit coupled to the drive shaft and driven by ...
04/09/1996
5311633Electric power driven toothbrush
The invention is directed to an electric power driven toothbrush having a four-bar linkage (8) disposed in the handle section, the input end thereof being driven by an electric motor (2) through a train of spur gears, while the output end thereof drives i...
05/17/1994
5054149Electric toothbrush
An electric toothbrush comprises two main casings, a battery/motor casing and a brush drive casing, both casings being made of plastics material and one casing telescopically fitting over the other. The casing contains a battery, a motor and a motor shaft...
10/08/1991
5040977Self powered dental plaque-removing device
This invention provides a self-powered dental hygiene device having an outer housing with three sections, a battery section at one end, an intermediate electric motor section and at the second end a transmission section with a head end section at the dist...
08/20/1991
4989287Electric toothbrushes
An electric toothbrush has a reciprocating connecting rod in a brush member. The brush member is constructed as a brush head at its front end and has there two rows of rotatable bristle holders which each engage with a cam in a transversely running groove...
02/05/1991
4827550Removable head mechanism for automatic cleaning device
A cleaning apparatus is provided for transmitting powered motion to an operating member having a removable head mechanism contained within a hollow housing. A motorized base, including a base drive shaft, is locked onto a head drive shaft of the removable...
05/09/1989
4681540Dental handpiece arrangement
An improved dental handpiece arrangement utilizes a drive cartridge containing the drive motor. The drive cartridge coacts with a coupling member and can be utilized with either a tubular adapter which enables use with one type of dental grip piece or can...
07/21/1987
4661060Dental handpiece
A dental handpiece with a built-in electric motor for the drive of a dental treating implement which is arranged at one end of the handpiece. The implement is suppliable with a cooling medium through a cooling medium conduit in the handpiece; whereby the ...
04/28/1987
4619614Rotational coupling device for a dental handpiece having a built-in battery
A rotational coupling device for a cordless dental instrument including a motor housing which has a pair of semi-annular projections integrally provided at a rear end thereof with a pair of arc-shaped recesses formed between the coupling projections and s...
10/28/1986
4568283Medical handpiece
A handpiece for medical treatment having a brushless micromotor mounted in a handpiece casing for driving a cutting tool and having a coolant passageway formed on the outer periphery of a cylindrical yoke fixed to the frame of the handpiece body. In this ...
02/04/1986
4564781Electrical bell type motor
The present invention relates to an electrical bell type motor for driving a surgical tool, with a stator comprising a magnet having the shape of a circular cylinder and a rotor comprising a wire coil of lacquered wire forming a hollow circular cylinder, ...
01/14/1986
4507085Dental instrument with handpiece
The dental instrument with handpiece comprises an intermediate section (4) containing a micromotor. A handpiece (1) with a head (2) carrying a tool (3) is plugged in the front end of the intermediate section (4) so as to form a unit block therewith. At th...
03/26/1985
4504227Dental handpiece set
There is disclosed a dental handpiece set which comprises a handpiece housing, a power supply module detachably coupled to one end of the housing for supplying power to operate the handpiece, a motor unit which is selected from a set of different types of...
03/12/1985
4493643Dental handpiece having non-contact rotational speed detection device
A dental handpiece having therein a non-contact rotating speed detection device which includes an electromagnetic induction pulse generator including a permanent magnet provided close to the rotor in the head of a dental handpiece and a coil wound around ...
01/15/1985
4355977Cordless handpiece for dental treatment
The disclosure relates to improvements in a cordless handpiece for dental treatment having storage batteries and an electric motor incorporated therein. The improvements are that the cutting tool is increased in cutting performance and that the replacemen...
10/26/1982
4279596Dental handpiece
A dental handpiece, which has a drive motor part with a drive shaft for rotation in a housing, and a grip section connected to the housing and having a head part with a socket for receiving and mounting a tool for rotation, and a drive train coupled to th...
07/21/1981
4235595Handpiece with continuous shaft and bell rotor
A surgical bone operation instrument that has a straight tube-shaped shaft and arrangement coaxially in relationship to the longitudinal axis of the instrument to form a continuous channel from one end of the instrument to the other including the end part...
11/25/1980
4183140Dental stain remover
A dental stain remover apparatus for removing stains from teeth comprising a drive casing with a removable handle mounted to the drive casing at an angle to the axis of the drive casing, the drive casing forming a chamber which receives a motor and defini...
01/15/1980
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