Actuator for a control valve of a dental syringe

Details Actuator for a control valve of a dental syringe Actuator for a control valve of a dental syringe

1992-04-03

1993-04-06

Mancene, Gene

Dentistry

Apparatus

Having intra-oral dispensing means

A61G 1702

Patent

active

051998718

ABSTRACT:
An actuator for a control valve of a dental syringe having a body including a button having a head larger than the diameter of a passageway in which the actuator is to be installed to actuate a control valve of the syringe, a shoulder closely fitting in the passageway, a shaft smaller than the shoulder and having an O-ring snugly fitted therearound and the O-ring also fitting into a groove provided therefor in the passageway, a valve stem engaging portion and a tapered collar extending from the shaft to the valve stem engaging portion to provide for easy O-ring installation.

REFERENCES:
patent: 3401691 (1968-09-01), Beu
patent: 3640304 (1972-02-01), Fox et al.
patent: 3652053 (1972-03-01), Poitras et al.
patent: 3874083 (1975-04-01), Buckley
patent: 4026025 (1977-05-01), Hunt
patent: 4227878 (1980-10-01), Lohn
patent: 5045055 (1991-09-01), Gonser et al.

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