Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1982-09-23
1984-07-17
Peshock, Robert
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
A61C 303
Patent
active
044603410
ABSTRACT:
A dental handpiece having a handle portion, a powerhead assembly integrally and perpendicularly linked to the handle portion, a holding sleeve fixedly inserted in the handle portion, a driving shaft journaled in a bushing in the holding sleeve, the driving shaft including an integral disc at its outer end, the outer end surface of the integral disc being concave, the concave surface carrying at its periphery a guide pin which is directed toward the point of intersection of the axis of the driving shaft and that of a cylindrical hollow driven shaft having a spherical middle portion, the cylindrical driven shaft being rotatably mounted in the powerhead assembly in bushings, the spherical middle portion of the cylindrical driven shaft having a longitudinal concave guide slot and the guide pin being slidably inserted into the longitudinal concave guide slot to couple the driving shaft with the cylindrical driven shaft, and a dental tool on the cylindrical driven shaft, whereby the dental tool is driven so as to rotate in one direction and in the opposite direction alternately by the circular rotation of the driving shaft.
REFERENCES:
patent: 2135933 (1938-11-01), Blair
patent: 3149494 (1964-09-01), Hulse
patent: 4341519 (1982-07-01), Kuhn et al.
Nakanishi Dental Mfg. Co. Ltd.
Peshock Robert
LandOfFree
Dental handpiece does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dental handpiece, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dental handpiece will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1488973