Amalgam dispensing device

Details Amalgam dispensing device Amalgam dispensing device

1977-01-17

1979-02-13

Knowles, Allen N.

Fluent material handling, with receiver or receiver coacting mea

Combined

141100, 141360, 221 96, 221264, 222307, B65B 130

Patent

active

041390300

ABSTRACT:
A device for dispensing ingredients, such as the ingredients for a dental amalgam, has a handle portion and a head portion formed of mating parts with the handle angulated to the head and formed for convenient gripping by the user's hand. A slide mounted in the head slides laterally when pushed by the user's thumb to transport measured ingredients to a common aperture for delivery into a container. The container, when put in place, releases a latch that holds the slide normally in measuring position and prevents transport of the ingredients unless the container is in position to catch them.
Adjustment of a measuring chamber for liquid mercury, to accurately proportion it, is by a valve having an end projecting, more or less, into a chamber, so as to vary the volume of the chamber. The position of the valve is controlled by a rectilinearly movable cam whose position may be fixed by a lock nut which normally is inaccessible in a recess in the head portion.

REFERENCES:
patent: 1605832 (1926-11-01), Garhart
patent: 2849035 (1958-08-01), Morey
patent: 3168213 (1965-02-01), De Gon
patent: 3271011 (1966-09-01), Rohm et al.
patent: 4023715 (1977-05-01), Biondo

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