Patent ID: 8640587
Filing Date: 2014-02-04
Classification: B26D,Y10T

Abstract:
1. A hand-operated cutting apparatus comprising: a main frame at least including a front wall having an opening, a base wall and two side walls, and a rack of teeth is formed on an upper surface of the base wall along the length of the main frame; a bracket being disposed between the side walls of the main frame and movable along the length of the main frame, the bracket comprising a base, a handle comprising a pressing piece and a leg inclinedly extending from a lower side of the pressing piece towards the front of the main frame, the handle being pivotally mounted on the base by means of a first pivot positioned at a front end of the leg, a pusher arm pivotally mounted on the leg by means of a second pivot positioned at a rear part of the leg, the pusher arm including a lower end movable between two teeth of the rack, wherein the pivot axis of the pusher arm on the leg departs from the pivot axis of the handle on the base towards the rear of the main frame, and a pusher tension spring having a central hole mounted on the second pivot and including two supporting rods pressing against the pusher arm and the leg, respectively, which tends to enlarge an included angle between the pusher arm and the leg; a cutter provided in the opening in the front wall of the main frame and comprising a cutting blade located within the opening; a squeezer attached to a front surface of the bracket facing to the cutter; a stopper arm pivotally mounted on the leg by means of the first pivot, the stopper arm including a lower end located between two teeth of the rack; and a stopper tension spring having a central hole mounted on the first pivot and including two supporting rods pressing against the stopper arm and the leg, respectively, which tends to enlarge an included angle between the stopper arm and the leg.