Cutlery – Cutting tools – Plural cooperating blades
Patent
1986-12-09
1987-07-07
Kazenske, E. R.
Cutlery
Cutting tools
Plural cooperating blades
30192, 30251, B26B 1300
Patent
active
046777482
ABSTRACT:
A hand-operated cable cutter includes a stationary cutter blade having a first curved jaw and a first cutting edge, a movable cutter blade having a second curved jaw and a second cutting edge, gear teeth provided on the movable cutter blade, a drive mechanism, a stationary handle having a distal end secured to the stationary cutter blade, and a swing handle having a distal end mounted pivotally relative to the stationary cutter blade and stationary handle. The movable cutter blade is pivotally connected to the stationary cutter blade. The drive mechanism comprises a pinion kept in engagement with the gear teeth, a ratchet wheel mounted concentrically with and for rotation with the pinion, a knob connected to the pinion, a driving pawl pivotally connected to the swing handle and kept engageable with the ratchet wheel to rotate the ratchet wheel in one direction, and a detent pawl kept in engagement with the ratchet wheel to prevent the ratchet wheel from being rotated in the opposite direction. When the driving pawl and the detent pawl are disengaged from the ratchet wheel by an action of the swing handle, the ratchet wheel and the pinion can freely be rotated, thereby allowing the second cutting edge to be moved either away from or toward the first cutting edge by the use of the knob.
REFERENCES:
patent: 2861490 (1958-11-01), Rozmus
patent: 2861491 (1958-11-01), Rozmus
patent: 3210844 (1965-10-01), Tontscheff
patent: 4178682 (1979-12-01), Sadavskas
patent: 4378636 (1983-04-01), Wick
Fridie Jr. Willmon
Kazenske E. R.
Kobayashi Tools Mfg. Co., Ltd.
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