Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1983-06-30
1985-01-15
Peshock, Robert
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
433129, A61C 114
Patent
active
044936451
ABSTRACT:
A device for opening and closing a chuck for a dental handpiece has a handle portion and a powerhead assembly including a hollow driving shaft having, adjacent to its front end, a fowardly outwardly tapering portion joining a small diameter rear portion and a large diameter front portion. A hollow cylindrical chuck has a forwardly outwardly tapering outer peripheral surface joining a small diameter rear surface and a large diameter front surface corresponding to the respective driving shaft portions. The chuck is slidably inserted into the driving shaft. Three radial openings are formed at equally spaced positions in the forwardly outwardly tapering outer peripheral surface of the cylindrical chuck. A disc-shaped chucking die is slidably fitted into each radial opening to hold a dental tool. A chuck pusher is held in a socket with a disc plate spring interposed between the socket and the chuck pusher, and the pusher is movable for axially displacing the chuck to hold or release the dental tool.
REFERENCES:
patent: 2010210 (1935-08-01), Witt
patent: 3674281 (1972-07-01), Hedrick
patent: 3967380 (1976-07-01), Maita et al.
Nakanishi Dental Mfg. Co. Ltd.
Peshock Robert
LandOfFree
Device for opening and closing a chuck for a 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 Device for opening and closing a chuck for a dental handpiece, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for opening and closing a chuck for a dental handpiece will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1479797