Cutlery – Cutting tools – Plural cooperating blades
Patent
1986-06-24
1988-08-02
Kazenske, E. R.
Cutlery
Cutting tools
Plural cooperating blades
30187, B23D 2902
Patent
active
047606444
ABSTRACT:
A hydraulic cutter comprising a pair of blades held by arms extending from a hydraulic piston, said blades being pivotally associated with one another, and having cutting edges at one end and rounded edges at the other end thereof; and said piston comprising an arrow-shaped piston head adapted to wedge between the blades and separate them near their rounded edges as the piston extends along its axis, thereby forcing the cutting edges to close.
REFERENCES:
patent: 492931 (1893-03-01), Baird
patent: 770270 (1904-09-01), Dehn
patent: 3372479 (1968-03-01), Fischer
patent: 3888003 (1975-06-01), Brown
patent: 4031613 (1977-06-01), Gregory
Yirmiyahu Benyamin
Yirmiyahu Mordechai
Barish Benjamin J.
Folkerts Michael D.
Kazenske E. R.
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