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7214060 |
Handpiece for dental or surgical use
At the front, a handpiece ( 1 ) has a clamp ( 10 ) fitted to tightly grip the shank of a removable tool housed in guide holes ( 23, 25 ). The clamp has two or more levers ( 26 ) attached to an...
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6305935 |
Disposable contra-angle
A disposable dental contra-angle comprising a plastic housing having a sleeve, a tapered neck, a head and a disposable bur. The bur being removably coupled to a driven rotating mandrel located in...
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6270087 |
Tool shaft coupler
Apparatus and methods for coupling a driving shaft and a mating tool shaft to transmit rotational forces and axial tension and compression forces between the shafts. The coupler provides for axial...
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6227854 |
Releasable chucking device for a rotating medical or dental tool
A releasable chucking device for a rotating medical or dental tool includes a tool shaft with a chucking end, wherein the chucking end of the tool shaft has a flattened portion and an annular...
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6089866 |
Drive shaft retention means for prophy angle
A dental prophy angle which includes a separate rib for securing each of the drive assembly and a workpiece by a friction lock. Preferably this rib is circumferential and present in both the shank...
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6065966 |
Medical or dental treatment instrument for the treatment of body tissue or a substitute material, in particular by cutting, and tool for such a treatment instrument
In the case of a medical or dental treatment instrument for the treatment of body tissue or a substitute material, in particular by cutting, with an elongated handpiece which in its front end...
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5584689 |
Angled or straight handpiece with a releasable mounting device for a tool, in particular for medical purposes
In a handpiece (2) having a housing (3), a drive sleeve (7) mounted therein, into which drive sleeve a tool (9) can be inserted with its shaft (11) and which drive sleeve is mounted in the housing...
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5518398 |
Dental handpiece having rotatable contact member
A dental handpiece contains a tool for dental treatment operation, tool holding members for detachably and rotatably holding the tool, tool detachment members for abutting against the tool holding...
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RE35147 |
Dental tool holder
A dental toolholder (2) has an endodontic filing tool (18) which is clamped in the toolholder so as to be secured against rotational and axial movements. A vibrating movement is impressed on the...
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5219174 |
Drill chuck for a drill to be used particularly for surgical purposes
A drill chuck is provided for surgical drilling machines in which the entire chuck is made of material permeable to X-radiation.
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5090906 |
Push-button control device for a dental instrument
The cutting shank of an instrument to be received in the head of a contra-angle of a dentistry handpiece is clamped in position with a pushed-button control device which is displacable counter to a...
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5090905 |
Endodontic filing tool
An endodontic filing tool which can be chucked into a dental tool holder with slight play but secured against rotating movement as well as against axial movement by chucking balls. A...
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5037299 |
Chucking device for dental handpiece
A chucking device for a dental handpiece includes a dental bur having a retention groove, a stationary disk having a central opening, a pair of locking members having projecting engaging portions...
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5028181 |
Quick change right angle and offset drill head
A quick change right angle drill head incorporates mechanism rotating components within the drill head housing thereby resulting in a more compact package which facilitates use in space-limited...
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5020994 |
Dental prophylaxis angle
A dental prophylaxis angle formed of molded plastic parts is provided, which includes two accurately supported rotors extending at right angles to each other in an easily manufactured construction....
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5011408 |
Chuck device for dental handpiece
A chuck device for a dental handpiece includes a dental bur, a sleeve for accommodating and attaching the dental bur, a push button for detaching the dental bur, and a connecting-removal unit for...
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4954082 |
Reciprocating dental tool
There is provided a dental tool for use with a reciprocating drive means and a sleeve member operatively connected to the drive means for reciprocating motion and designed to retain a dental tool,...
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4820154 |
Dental instrument with a tool for treating the teeth
A dental instrument employs a tool having an upper portion for use in contacting teeth and a lower portion defining a shank with a lower end, a hollow elongated gripping holder having an opening at...
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4802852 |
Irrigated drill and quick-release chuck assembly
An electric motor-driven drill has an irrigating tube for squirting water onto a drill bur. The tube has convolutions surrounding the motor for cooling the motor and warming the irrigating water. A...
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4802848 |
Parapulper restorative pin and driver assembly
The parapulper restorative pin comprises a stem provided with a handle permitting to operate it manually, the dentist rotating this handle by gripping it between his fingers. This handle is...
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4781589 |
Clamping arrangement, especially for dental instruments
A clamping arrangement, especially for the clamping or gripping engagement of dental implements, consisting of a receiving sleeve which is rotatably supported in a handpiece and is connected with a...
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4728292 |
Dental apparatus
A dentinal retention pin and dental tool for inserting the retention pin into the healthy dentine portion of a tooth. A cylindrical hole with a beveled top is predrilled in the tooth to receive a...
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4661062 |
Dental handpiece contra-angle head
This contra-angle head of a dental handpiece comprises means for axially locking the dental instrument, in the form of a hollow guide member enclosing the upper portion of the driving pinion inside...
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4398886 |
Rotatable socket for a dental handpiece
A rotatable socket for supporting a tool for rotating in a head housing of a dental handpiece, includes a catch device which includes at least one catch member movable between a locking position...
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4378212 |
Rotary driving apparatus having a collet with a magnetic latching mechanism
A rotary driving apparatus having a collet housing defining a passageway which is adapted to receive, engage and rotate a bur having one end thereof which terminates in a notched bur key formed of...
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4370132 |
Rotatable socket for a dental handpiece
A rotatable socket for supporting a tool for rotation in a head housing of a dental handpiece. The socket includes a cylindrical or hollow tubular shaft for supporting a tool extending out of one...
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4255145 |
Dental tool having severable sections
A dental tool such as a drill, burr, anchor, reamer and the like, which is receivable in a dental tool holder, such as a dental handpiece or a hand driver, for operative positioning thereof with...
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4205444 |
Dental tool shank
A dental tool such as a drill, burr, anchor and the like which is receivable in a dental hand piece for operative positioning thereof with respect to the teeth of a patient, the dental tool having...
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4197645 |
Drill head and bone drill
A drilling apparatus for the preparation of bone cavities includes a plurality of drills which are simultaneously driven in opposite direction with the cutting surfaces of each drill overlapping...
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RE29736 |
High speed bone drill
A high-speed, electric motor-contained bone drill has an elongate drive tube into which most of the length of a burr shank engages. Centrifugal discharge means at the inner end of the drive tube...
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4055185 |
Rotary drill for surgeons
A small housing which may be held in the hand of a surgeon has an open ended socket into which a rotary bur assembly may be inserted and latched in place. A driven gear on the rotary bur assembly...
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3987549 |
Dental prophylactic handpiece
A dental prophylactic handpiece is provided with a drivable tool-receiving member having a square opening which is internally serrated. The tool-receiving member, at least in the region of the...
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3967380 |
Clamping mechanism for reciprocating dental tool
In a tool holder assembly for a reciprocating dental tool including a hollow tool holder defining a tool holder chamber therein within which a dental tool may be mounted, a clamping mechanism is...
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3827149 |
DENTAL HANDPIECE
A handpiece assembly, particularly for a dental tool or the like, having a drive shaft assembly rotatably supported within a housing which is adapted to be manually held. The tool, such as a drill,...
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3369298 |
Dental hand-piece and tool therefor
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3368279 |
Dental hand-piece and tool
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3037282 |
Adjustable twin dental handpiece
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2911721 |
Contra angles for dental handpieces
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2908976 |
Dental handpiece attachment
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2894325 |
Self-contained dental handpiece
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2873527 |
High speed angle hand piece
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2851777 |
Tool for grinding, polishing, boring and milling for dental and medical purposes
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2813337 |
Holder for rotatable tools
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2806285 |
Miniature heads for dental angle handpieces
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2801111 |
Tool holding devices
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2792630 |
Angle-piece head, more especially for grinding for dental and medical purposes
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2791835 |
Contra angle attachments for dental hand pieces
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1001916 |
Title is not available
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RE09443 |
Title is not available
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RE08360 |
Title is not available
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