Severing by tearing or breaking – Severing by manually forcing against fixed edge – With blade-edge guard
Patent
1989-01-13
1991-06-11
Phan, Hien H.
Severing by tearing or breaking
Severing by manually forcing against fixed edge
With blade-edge guard
225 91, B26F 302, B65H 3507
Patent
active
050225766
ABSTRACT:
A protective cover plate is adapted to cooperate with a tape dispenser, and includes a lever having a blade-protecting cover as a handle and a pivotable base. The base is adapted to be normally in contact with an elastic guide plate of the dispenser. A part of the cross-section of the base has a V-shaped configuration, including a round apex, and faces away from the handle. The legs of the V-shaped configuration subtend a predetermined angle with one another, and converge at the round apex. Two pins extend on respective opposite sides of the base into holes formed in respective frame plates of the dispenser, rendering the protective cover pivotably disposed on the tape dispenser. The lever occupies a first stable non-operative position, when the handle covers the cutter. By pivoting the lever with sufficient force away from the cutter, so as to overcome a pressure exerted by the elastic guide plate of the tape dispenser, the protective cover assumes a second stable and operative position.
REFERENCES:
patent: 1968488 (1934-07-01), Hinsch
patent: 2470250 (1949-05-01), Kienle
patent: 2777594 (1957-01-01), Krueger
patent: 3731863 (1973-05-01), Nausedas
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