Dental handpiece purging device

Details Dental handpiece purging device Dental handpiece purging device

1992-03-29

1994-02-01

Wilson, John J.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433132, A61C 110

Patent

active

052827453

ABSTRACT:
A housing of the device receives a pressurized air flow which is filtered and directed past a pressure reducing valve prior to delivery to a purge valve assembly. The purge valve assembly includes a connector configured for endwise engagement with the specific handpiece being purged. The connector is removably mounted in the purge valve assembly which also includes a valve member displaced by the connector during a purging operation from a spring biased closed position. Various connectors are interchangeable to adapt the device to service a variety of dental handpieces.

REFERENCES:
patent: 3106021 (1963-10-01), Borden
patent: 3494110 (1970-02-01), Reed et al.
patent: 4544355 (1985-10-01), Eibofner et al.
patent: 4877399 (1989-10-01), Frank et al.

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