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Class Information
Number: 433/123
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 > And adjustment for stroke, intensity, or position of tool
Description: Apparatus including means whereby one of the following may be varied: (a) the distance the tool travels during each reciprocation, (b) the impact with which the tool strikes the work, or (c) the orientation or attitude of the tool with respect to the hand engaged portion of the device.

Patents under this class:

Patent Number Title Of Patent Date Issued
6443731 Medical and dental handpiece Sep. 3, 2002
5454718 Handpiece head for a medical or dental handpiece with a reciprocating treatment tool Oct. 3, 1995
5340310 Dental prophy angle Aug. 23, 1994
5169312 Dental apparatus intended for driving an instrument for endodontic surgery Dec. 8, 1992
5145369 Dental tool driving apparatus having rotating and roto-reciprocating motions Sep. 8, 1992
4984985 Dental instrument Jan. 15, 1991
4781588 Counter-angle head for endodontic instrument Nov. 1, 1988
4629426 Endodontic appliance Dec. 16, 1986
4289849 Tools for drilling, reaming and the like with simultaneous angular and linear oscillatory motions Sep. 15, 1981
4008521 Dental tools Feb. 22, 1977

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