Matches 1 - 50 out of 50
Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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....
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
3369298 Dental hand-piece and tool therefor  
3368279 Dental hand-piece and tool  
3037282 Adjustable twin dental handpiece  
2911721 Contra angles for dental handpieces  
2908976 Dental handpiece attachment  
2894325 Self-contained dental handpiece  
2873527 High speed angle hand piece  
2851777 Tool for grinding, polishing, boring and milling for dental and medical purposes  
2813337 Holder for rotatable tools  
2806285 Miniature heads for dental angle handpieces  
2801111 Tool holding devices  
2792630 Angle-piece head, more especially for grinding for dental and medical purposes  
2791835 Contra angle attachments for dental hand pieces  
1001916 Title is not available  
RE09443 Title is not available  
RE08360 Title is not available  
Matches 1 - 50 out of 50