Severing by tearing or breaking – Severing by manually forcing against fixed edge – With housing for work supply
Patent
1993-09-27
1995-01-24
Seidel, Richard K.
Severing by tearing or breaking
Severing by manually forcing against fixed edge
With housing for work supply
225 52, 225 87, B26F 302
Patent
active
053835905
ABSTRACT:
A safety food wrap film tearing device which mainly includes an upper cover having lateral inner side walls and a lower cover having lateral outer side walls and pivotally connected to the upper cover at a rear edge thereof such that a roll of food wrap film is contained in the space enclosed by the upper and the lower covers. The upper cover has an upper toothed tearing blade inside its free front end and the lower cover has a lower toothed tearing blade inside its free front end, abutting against an outer surface of the upper toothed tearing blade when the upper and the lower covers are closed. A press rib is provided inside the upper toothed tearing blade and a receiving rib corresponding to the press rib is provided inside the lower toothed tearing blade such that a length of outward pulled food wrap film can be clamped and pressed between the contacted press rib and receiving rib for stable tearing. A strip of pad is disposed at an inner surface of the lower toothed tearing blade to eliminate any static and to contact the upper toothed tearing blade so that the outward pulled food wrap film is conveniently, rapidly, safely and easily torn off from the entire roll of food wrap film contained in the two covers.
REFERENCES:
patent: 943279 (1909-12-01), Smith
patent: 1896119 (1933-02-01), Wilson
patent: 2613879 (1952-10-01), Carr, Jr.
patent: 2889975 (1959-06-01), Hanlon
patent: 3843034 (1974-10-01), Lewandowsky
patent: 4972984 (1990-11-01), Frank et al.
patent: 5292046 (1994-03-01), Kaiser et al.
Hsu Shih Chieh
Seidel Richard K.
Woods Raymond D.
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