Videotape cassette case opener, and method of using it

Details Videotape cassette case opener, and method of using it Videotape cassette case opener, and method of using it

1992-03-02

1992-12-08

Parker, Roscoe V.

Tools

Receptacle closure remover

Levering or prying type

81 325, 81485, 81488, B67B 700

Patent

active

051687798

ABSTRACT:
An opener for a videotape cassette case of the type having a body and a cover hinged to the body, the body and cover presenting two parallel spaced-apart flanges when the case is closed. The opener includes a rigid element, which may be a flat plate, having a shoulder portion wider than the spacing between the case flanges when the case is closed, the shoulder portion tapering toward a nose portion which is narrower than the spacing between the case flanges when the case is closed. A closed videotape cassette case is opened by inserting the nose portion of the opener into one end of the space between the flanges and moving the case with respect to the opener so as to bring the shoulder portion between the flanges to urge the flanges apart. Continued movement of the case with respect to the shoulder portion of the opener causes the flanges to progressively separate from each other so as to pry the cover from the body and thereby open the case. The opener is mounted on a stationary surface so that the case can be opened simply by running the side of the case presenting the flanges along the opener.

REFERENCES:
patent: 1431708 (1922-10-01), Tisdale et al.
patent: 2675721 (1954-04-01), Kramer et al.
patent: 2764160 (1956-09-01), Alexander et al.
patent: 2799082 (1957-07-01), Mann
patent: 3290967 (1966-12-01), Stark
patent: 3954030 (1976-05-01), Newton

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