WO2008010080A2 - Sécateur à levier - Google Patents

Sécateur à levier Download PDF

Info

Publication number
WO2008010080A2
WO2008010080A2 PCT/IB2007/002158 IB2007002158W WO2008010080A2 WO 2008010080 A2 WO2008010080 A2 WO 2008010080A2 IB 2007002158 W IB2007002158 W IB 2007002158W WO 2008010080 A2 WO2008010080 A2 WO 2008010080A2
Authority
WO
WIPO (PCT)
Prior art keywords
lever
blades
guide piece
hand
scissors
Prior art date
Application number
PCT/IB2007/002158
Other languages
English (en)
Spanish (es)
Other versions
WO2008010080A3 (fr
Original Assignee
Velandia Nieto, Bernardo
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Velandia Nieto, Bernardo filed Critical Velandia Nieto, Bernardo
Publication of WO2008010080A2 publication Critical patent/WO2008010080A2/fr
Publication of WO2008010080A3 publication Critical patent/WO2008010080A3/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/02—Secateurs; Flower or fruit shears
    • A01G3/025—Secateurs; Flower or fruit shears having elongated or extended handles
    • A01G3/0251—Loppers, i.e. branch cutters with two handles

Definitions

  • Conventional scissors are used for flower crops and gardening, which affect several hand organs, especially tendons, due to the constant repetition of opening and closing movements of the hand when cutting the flower stalk. Due to the lack of ergonomics of these scissors, cumulative injuries occur in the hand of the operator with which the force is made in these conventional scissors.
  • the object of the invention is to provide a scissor with a manual lever system with which the applied force is multiplied to make a safe and perfect cut without compromising sensitive parts of the hand.
  • a scissor with a manual lever system with which the applied force is multiplied to make a safe and perfect cut without compromising sensitive parts of the hand.
  • This scissors is composed of a lever adjustable to the movement of the hand to give the best ergonomics at the time of cutting and by two blades, one of them attached to a base by which the scissors are adjusted.
  • the other blade is attached to a slider that contains a cylinder that allows the blade to be moved (opening or closing) by lever action.
  • the operator can direct the blades according to the position of the stem and just by moving the lever forward the blades open receiving the stem to be cut after the lever is pushed back.
  • the handle of the lever can make 360 degree turns allowing an ergonomic adjustment to the hand when applying force.
  • Attached to the central axis of the blades is a spring that expands or contracts simultaneously after opening or closing the blade system, and its function is to momentarily support the stem of the cut flower to prevent its fall.
  • the grip handle and lever handle are made of a special material that helps soften the impact of the cut and facilitate a better grip of the scissors, in addition to allowing an ergonomic adjustment to the hand.
  • Figure 1 shows a plan of the general assembly of the Lever Trimmer.
  • Figure 3 refers to the related force lever in Figure 1.
  • Figure 4 shows the stem clamp spring related in Figure 1.
  • Figure 5 refers to the Guide Piece that has a channel through which a small cylinder, related in Figure 1, slides.
  • Figure 1 shows the Lever Pruning Scissors which is composed of a basic body of assembly 1 to which are attached a pair of blades 3.4 designed exclusively to allow a clean and safe cut; these blades are pierced by a screw 22 that serves as an axis and additionally holds the grip hook 29 that will hold the stem to prevent its fall; This screw is fitted by a toothed nut 20 that is attached to another gear 15 They serve as a safe to avoid allowing the blades to open and disengage due to the opening and closing movement of the system.
  • the secondary blade 4 has an extension where the guide piece 5 is fixed, this piece allows the opening and closing of the secondary blade 4 while the main blade 3 remains still.
  • the guide piece has a cylinder 6 that rotates through the channel of the guide piece 5 thanks to the action of the force lever stage 9.
  • This stage is attached to the base body 1 by means of a screw 16.
  • the force lever 8 At the other end of the stage is the force lever 8 that contains a rotating roller 10,11,12 to give position to the environment of the hand. This force lever can rotate up to 360 degrees to allow greater maneuverability to the scissors at the time of cutting.
  • the operator will take the scissors with one of his hands by the grip handle 2, with the other hand he will limp the lever handle 10 and with the knife system closed the operator will operate the force lever 8 forward, allowing the blades 3 , 4 open to receive between them the stem to be cut. After the hand and wrist of the hand are in an ergonomically adjusted position, the operator will pull the force lever back with the power required according to the resistance of the stem, until the cut is complete.

Abstract

L'invention a pour objet un sécateur destiné au jardinage et à la floriculture, qui comprend un mécanisme de levier s'adaptant à la main et qui augmente la force initialement appliquée par l'utilisateur sans nécessiter de gros efforts tout en assurant une ergonomie maximale et des coupes parfaites.
PCT/IB2007/002158 2006-07-13 2007-07-13 Sécateur à levier WO2008010080A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CO06068139 2006-07-13
CO06068139 2006-07-13

Publications (2)

Publication Number Publication Date
WO2008010080A2 true WO2008010080A2 (fr) 2008-01-24
WO2008010080A3 WO2008010080A3 (fr) 2008-03-20

Family

ID=38957148

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/002158 WO2008010080A2 (fr) 2006-07-13 2007-07-13 Sécateur à levier

Country Status (1)

Country Link
WO (1) WO2008010080A2 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB158784A (en) * 1919-12-24 1921-02-17 Jose Miguel Fuenzalida Improvements in scissors, shears and like shearing instruments, more particularly gardening or pruning shears
GB270796A (en) * 1926-02-11 1927-05-11 Richard John Southwood Improvements in and relating to garden shears, pruners and the like
US2528816A (en) * 1948-04-21 1950-11-07 Elizabeth M Boyer Hedge shears
US2994954A (en) * 1960-03-21 1961-08-08 George H Thompson Pruning shears
GB996685A (en) * 1963-04-03 1965-06-30 Max Planck Gesellschaft Shears and similar tools
EP0074578A1 (fr) * 1981-09-11 1983-03-23 Wolf-Geräte GmbH Sécateur à effet de levier
DE4023559A1 (de) * 1990-07-25 1992-01-30 Gardena Kress & Kastner Gmbh Schere, insbesondere garten- bzw. astschere
FR2825573A3 (fr) * 2001-06-12 2002-12-13 Ho Cheng Garden Tools Co Ltd Dispositif de jardinage et, plus particulierement cisailles a haie

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB158784A (en) * 1919-12-24 1921-02-17 Jose Miguel Fuenzalida Improvements in scissors, shears and like shearing instruments, more particularly gardening or pruning shears
GB270796A (en) * 1926-02-11 1927-05-11 Richard John Southwood Improvements in and relating to garden shears, pruners and the like
US2528816A (en) * 1948-04-21 1950-11-07 Elizabeth M Boyer Hedge shears
US2994954A (en) * 1960-03-21 1961-08-08 George H Thompson Pruning shears
GB996685A (en) * 1963-04-03 1965-06-30 Max Planck Gesellschaft Shears and similar tools
EP0074578A1 (fr) * 1981-09-11 1983-03-23 Wolf-Geräte GmbH Sécateur à effet de levier
DE4023559A1 (de) * 1990-07-25 1992-01-30 Gardena Kress & Kastner Gmbh Schere, insbesondere garten- bzw. astschere
FR2825573A3 (fr) * 2001-06-12 2002-12-13 Ho Cheng Garden Tools Co Ltd Dispositif de jardinage et, plus particulierement cisailles a haie

Also Published As

Publication number Publication date
WO2008010080A3 (fr) 2008-03-20

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