Contra-angle head for dentistry

Details Contra-angle head for dentistry Contra-angle head for dentistry

1982-06-17

1984-05-22

Swiatek, Robert P.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433133, A61C 108, A61C 112

Patent

active

044499329

ABSTRACT:
A rigid tubular housing having a shaft alley and transverse to it at one end a dental tool chamber, has a telescopically-fitted cover which in one position gives access to the tool chamber via diametrically-opposed apertures one of which is always open and the other of which moves to open and close an access opening to the tool chamber. Locks for the cover fill both openings when the cover is closed over the access opening, as when a tool is in place in the chamber.

REFERENCES:
patent: 1691823 (1928-11-01), Ogilvie
patent: 2894325 (1959-07-01), Flatland
patent: 4053983 (1977-10-01), Flatland
patent: 4268252 (1981-05-01), Lustig
patent: 4285671 (1981-08-01), Lustig et al.

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