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Class Information
Number: 433/122
Name: Dentistry > Apparatus > Having motor or means to transmit motion from motor to tool (e.g., "engine") > Hand-held tool or handpiece > Having reciprocating, vibrating, or oscillating output > Having rotating cam or eccentric
Description: Apparatus comprising power transmission means which includes a driven member having a surface which is so arranged about an axis as to cause a cooperating member to be reciprocated to drive the tool.










Sub-classes under this class:

Class Number Class Name Patents
433/123 And adjustment for stroke, intensity, or position of tool 10


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8499851 Fixed structure of an eccentric rod, and vibration generator Aug. 6, 2013
8307488 Oral hygiene device Nov. 13, 2012
8256979 Application substance reservoir for toothbrushes and electric toothbrush Sep. 4, 2012
8172572 Dental tool displacement apparatus with slow rotational motion May. 8, 2012
7409741 Toothbrush with tuned vibrating head Aug. 12, 2008
7261561 Vibrational driver for endodontic activators Aug. 28, 2007
6964076 Electric toothbrush Nov. 15, 2005
6910887 Device for performing an endodontic treatment Jun. 28, 2005
6902337 Dentifrice dispensing electrical toothbrush Jun. 7, 2005
6766548 Accessories mount for an electric toothbrush Jul. 27, 2004
6721986 Electric toothbrush Apr. 20, 2004
6629842 Dental handpiece Oct. 7, 2003
6626670 Powered periotome Sep. 30, 2003
6511319 Dental prophylaxis handpiece Jan. 28, 2003
6447293 Drive mechanism for interproximal flossing device Sep. 10, 2002
6446294 Electric toothbrush Sep. 10, 2002
6409507 Drive mechanism for oscillatory dental tool with improved bushing Jun. 25, 2002
6247931 Drive mechanism for oscillatory dental tool Jun. 19, 2001
6106290 Dental tool with controlled simultaneous reciprocal and oscillating motion Aug. 22, 2000
5931672 Drive mechanism for oscillatory dental tool Aug. 3, 1999
RE35941 Mechanical toothbrush Nov. 3, 1998
5651157 Electric toothbrush with vibration Jul. 29, 1997
5616029 Dental treatment device for forming screw hole for embedment of implant material Apr. 1, 1997
5454718 Handpiece head for a medical or dental handpiece with a reciprocating treatment tool Oct. 3, 1995
5453008 Contra-angle head for endodontic instrument Sep. 26, 1995
5421726 Tooth-brushing method by an electric toothbrush having a predetermined vibration frequency Jun. 6, 1995
5340310 Dental prophy angle Aug. 23, 1994
5330355 Endodontic angle-piece Jul. 19, 1994
5318445 Process and instrument for dental treatment Jun. 7, 1994
5205744 Dual position self powered dental device Apr. 27, 1993
5169312 Dental apparatus intended for driving an instrument for endodontic surgery Dec. 8, 1992
5158457 Dental process and instrument for polishing roots of teeth Oct. 27, 1992
5151030 Dental filler applicator Sep. 29, 1992
5145369 Dental tool driving apparatus having rotating and roto-reciprocating motions Sep. 8, 1992
5040977 Self powered dental plaque-removing device Aug. 20, 1991
5002487 Periodontic tool with triangular vibration path Mar. 26, 1991
4979899 Scaler for cleaning teeth Dec. 25, 1990
4909241 Electric periodontal massager Mar. 20, 1990
4834653 Dental instrument May. 30, 1989
4820153 Process and apparatus for cleaning a tooth Apr. 11, 1989
4781588 Counter-angle head for endodontic instrument Nov. 1, 1988
4781589 Clamping arrangement, especially for dental instruments Nov. 1, 1988
4773855 Endodontic appliance Sep. 27, 1988
4727894 Dental prophylaxis device and process Mar. 1, 1988
4718851 Handpiece, especially for dental purposes Jan. 12, 1988
4629426 Endodontic appliance Dec. 16, 1986
4544356 Reciprocating dental prophylactic angular device Oct. 1, 1985
4534733 Device for dental massage to prevent tooth decay Aug. 13, 1985
4484893 Air turbine handpiece for dental scaling and other applications Nov. 27, 1984
4484892 Hand-held pneumatic implement for removing dental scale Nov. 27, 1984

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