Disposable dental prophy angle with secure retention mechanism

Details Disposable dental prophy angle with secure retention mechanism Disposable dental prophy angle with secure retention mechanism

2007-08-14

2007-08-14

Rodriguez, Cris (Department: 3732)

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

C433S118000, C433S166000

Reexamination Certificate

active

10929225

ABSTRACT:
A disposable, securely retained dental angle is provided. The angle includes a one-piece hollow housing having a short leg at its front end, which is angled with respect to the long leg. Both the short and long legs have a through bore. The short leg has an aperture, which is connected to the bore of the long leg to allow insertion of a driving shaft through the short leg of the angle. A driven rotor is inserted in the short leg. A horse-shoe-like snap rotor retainer fits within the short leg over the driven rotor to retain the driven rotor in the angle. A paw-like or, alternately, a horse-shoe-like locking means fits within the long leg over the driving shaft to lock the driving shaft in the angle and to retain the angle together. In one embodiment, a pair of splinters on the driven rotor provides the function to retain the rubber prophy cup firmly while the driven rotor is in operation.

REFERENCES:
patent: 6053732 (2000-04-01), Sale
patent: 2004/0014004 (2004-01-01), Garrison et al.

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