A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
83/11
A61C 5/00 (2006.01)
Patent
CA 1215868
ABSTRACT A manually operable ejector holder is provided for effecting discharge of a capsule-like cartridge. A capsule- like cartridge comprising a cylindrical body of uniform dia- meter open at one end and provided with an annular flange surrounding the open end, the other end being closed by an integral hemispherical end of the same radius as the body and provided with an angularly extending discharge nipple communicating with the interior of the hemispherical end of the body which may be loaded with a precisely measured quan- tity of a material and the open end closed by a plug slideably moveable along the body when one end is engaged by plunger are provided in combination with an ejector holder having a cylindrical body provided with an ejecting plunger operated by a handle in a cooperative pivoted lever member. The forward end of the cylindrical body of the handle is partially cut away in a radial direction for a limited distance longi- tudinally to provide a hollow seat to receive the flanged end of the cartridge, the seat having an undercut groove to receive the flange of said cartridge, and the side walls of the seat at the upper edges having limited flexibility and spaced apart a slightly less distance in the diameter of the cartridge body to effect a limited snap-acting connection of the cartridge to the holder. The body and plug of the car- tridge are preferably molded from an opaque material imper- vious to the passage of light and the tip of the nipple is closed by a cap which may be color coded to indicate various facts such as the type of material, weight or quantity thereof. Several embodiments of lever members and support mechanisms for the ejector holder are provided.
484713
Dougherty Emery W.
Welsh Richard E.
Dentsply International Inc.
Smart & Biggar
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