Cutlery – Carton openers
Patent
1991-05-30
1991-11-26
Watts, Douglas D.
Cutlery
Carton openers
30 92, 30247, 83580, 83603, B26B 1300
Patent
active
050672401
ABSTRACT:
A convenient and effective cutter for a cable, a plastic pipe or the like is provided. The cutter includes a base rotatably receiving therein a screw rod having a screw portion and a driving end, an immovable blade having a first curved portion having a first curved knife-edge, and a movable blade having a second curved portion having a second inner curved knife-edge and an outer toothed surface capable of engaging with the screw portion. When the driving end is rotated, the two knife-edges can be set in a relative motion to cut a work piece contained between the curved portions.
REFERENCES:
patent: 248996 (1881-11-01), Burdick
patent: 1469467 (1923-10-01), Wagenbach
patent: 4467683 (1984-08-01), Newkirk
patent: 4644650 (1987-02-01), Laux et al.
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