Instrument for handling contact lens disinfecting catalyst

Details Instrument for handling contact lens disinfecting catalyst Instrument for handling contact lens disinfecting catalyst

1987-08-03

1989-04-04

Marbert, James B.

Handling: hand and hoist-line implements

Contact lens applicator

294 12, 206 51, 422300, B65D 8538, A61L 218

Patent

active

048179981

ABSTRACT:
An extractor instrument for removing a catalytic ring, or the like, normally held by friction at the bottom of a container cavity, enabling the container to be fabricated with an integrally closed bottom wall opposite the open upper end of the container. The instrument comprises an elongate gripping member and a cam structure secured to the gripping member adjacent one end. The cam structure includes a foot dimensioned for insertion through a passageway in the catalytic ring after which the foot is engaged in a camming manner against the bottom surface of the ring allowing withdrawal of the foot and the engaged ring from the open end of the container.

REFERENCES:
patent: 3063083 (1962-11-01), Obitts
patent: 3314533 (1967-04-01), Kopzle
patent: 3770133 (1973-11-01), Thomas
patent: 4011941 (1977-03-01), Parsons
patent: 4396583 (1981-08-01), LeBoeuf
patent: 4637919 (1987-01-01), Ryder et al.
patent: 4750610 (1988-06-01), Ryder

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