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1. WO1996003856 - DRIVER ASSEMBLY EQUIPPED SHEARS FOR CUTTING BRANCHES OR THE LIKE

Publication Number WO/1996/003856
Publication Date 15.02.1996
International Application No. PCT/IT1995/000132
International Filing Date 31.07.1995
Chapter 2 Demand Filed 19.02.1996
IPC
A01G 3/033 2006.01
AHUMAN NECESSITIES
01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
3Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
02Secateurs; Flower or fruit shears
033having motor-driven blades
CPC
A01G 3/033
AHUMAN NECESSITIES
01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
3Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
02Secateurs; Flower or fruit shears
033having motor-driven blades
Applicants
  • CAMPAGNOLA S.R.L. [IT/IT]; Via Lazio, 23 I-40069 Zola Predosa, IT (AllExceptUS)
  • BALOGH, Gabriel [CH/CH]; CH (UsOnly)
Inventors
  • BALOGH, Gabriel; CH
Agents
  • DALL'OLIO, Giancarlo; Invention S.n.c. Via del Cestello, 13 I-40124 Bologna, IT
Priority Data
BO94A00037702.08.1994IT
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DRIVER ASSEMBLY EQUIPPED SHEARS FOR CUTTING BRANCHES OR THE LIKE
(FR) SECATEURS EQUIPES D'UN ENSEMBLE D'ENTRAINEMENT, POUR COUPER DES BRANCHES ET AUTRES
Abstract
(EN)
The shears (100), which include a handgrip (1) and a pair of shearing blades (2, 2a) pivoted to each other, namely a stationary blade and movable blade, has in addition an impulse operating driver assembly (30). The driver assembly includes feeding means (60), ignition means (70) and manually operated activating means (50), so that an explosive mixture can be injected and fired into a combustion chamber (36). Explosion of the mixture causes the active stroke of a piston (32), against elastic means (40), and motion of the movable blade (2a), connected thereto, against the stationary blade. When the explosion force is terminated, the elastic means cause the return stroke for the piston (32), thus opening the shearing blades again.
(FR)
Les sécateurs (100), selon l'invention, qui comprennent un manche (1) et une paire de lames de cisaillement (2, 2a), notamment une lame fixe et une lame mobile, accouplées entre elles par pivot, comprennent en outre un ensemble d'entraînement (30) fonctionnant par impulsions. Cet ensemble d'entraînement comprend des moyens d'alimentation (60), des moyens d'allumage (70) ainsi que des moyens d'activation manuels (50), de sorte qu'un mélange explosif puisse être injecté et allumé dans une chambre de combustion (36). L'explosion du mélange provoque la course active d'un piston (32) à l'encontre de moyens élastiques (40), et le déplacement de la lame mobile (2a) qui y est connectée contre la lame fixe. Lorsque la force explosive s'interrompt, les moyens élastiques entraînent le piston (32) sur sa course de retour, et, de ce fait, provoquent l'ouverture des lames de cisaillement.
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