Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1982-01-29
1983-05-24
Peshock, Robert
Dentistry
Apparatus
Having intra-oral dispensing means
222326, A61C 504
Patent
active
043848532
ABSTRACT:
A manually operable ejector holder for effecting discharge of a capsule-like cartridge of cylindrical shape open at one end to receive a measured charge of material and provided with an annular flange at the open end, the other end being closed but provided with an angular discharge nipple and the holder having a cylindrical body provided with an ejecting plunger operated by a handle and a cooperative pivoted lever member. The forward end of the cylindrical body is partially cutaway in a radial direction for a limited distance longitudinally to provide a hollow seat to receive the flanged end of the cartridge and the seat having an undercut groove to receive the flange of said cartridge, and the sidewalls of the seat at the upper edges having limited flexibility and spaced apart a slightly less distance than the diameter of the cartridge body to effect a limited snap-acting connection of the cartridge to the holder. Several embodiments of lever members and support mechanism therefor are provided.
REFERENCES:
patent: 4330280 (1982-05-01), Dougherty et al.
Dentsply Research & Development Corp.
Just C. Hercus
Peshock Robert
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