FR2709228A1 - Tool for harvesting vegetables, particularly of the root type - Google Patents

Tool for harvesting vegetables, particularly of the root type Download PDF

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Publication number
FR2709228A1
FR2709228A1 FR9310252A FR9310252A FR2709228A1 FR 2709228 A1 FR2709228 A1 FR 2709228A1 FR 9310252 A FR9310252 A FR 9310252A FR 9310252 A FR9310252 A FR 9310252A FR 2709228 A1 FR2709228 A1 FR 2709228A1
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FR
France
Prior art keywords
jaws
characterized
tool according
harvesting tool
handle
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR9310252A
Other languages
French (fr)
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FR2709228B1 (en
Inventor
Kellner Francois
Original Assignee
Kellner Francois
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 Kellner Francois filed Critical Kellner Francois
Priority to FR9310252A priority Critical patent/FR2709228B1/en
Publication of FR2709228A1 publication Critical patent/FR2709228A1/en
Application granted granted Critical
Publication of FR2709228B1 publication Critical patent/FR2709228B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D11/00Other hand implements
    • A01D11/02Other hand implements for lifting or cropping beet, potatoes or other root crops

Abstract

The harvesting tool includes a shoe (1) surmounted by a handle (10) which allows the operator to harvest without having to bend down. This shoe (1) serves as a bearing for a pair of shafts (2) which, in an eccentric manner, support jaws (3). These jaws (3) are given a rotational movement by means of a drum (5) under the effect of a trigger (12) situated at the top part of the handle (10) and of pulling cables (13). The jaws (3) are mounted removably on a shaft (4) of square section and may have a portion of their covering made of soft (flexible) material in order to avoid injuring the plant. <IMAGE>

Description

 The present invention relates to a tool for harvesting vegetables of the root type in particular.

 This harvesting tool has the advantage of extracting vegetables and the like, without having to stoop to the ground to perform the harvesting and picking operation.

 This tool comprises a shoe serving as a support guide for two rotary cylindrical jaws mounted eccentrically on two parallel axes; means for animating said jaws remotely make it possible to pass them from a rest position where they are separated from one another, to an active position of pinching the plant, firstly, and digging up in a second step, before finishing, thanks to the lifting of the tool by the complete uprooting of said plant.

 Still according to the invention, the means for animating the jaws consist of a pull tab and a pair of cables which partially roll up on drums integral with said jaws, interposed between the latter and the shoe.

 According to another arrangement of the invention, the drums comprise elastic return members.

 Still according to the invention, the shoe is surmounted by a handle which is provided with an operating handle at its upper end.

 According to another arrangement of the invention, the pull tab is guided on the handle by means of a light arranged in said handle; this light positions the zipper and defines its course.

 According to another arrangement of the invention, the elastic members consist of springs anchored on a ring integral with the handle; this ring is preferably adjustable in height.

 According to another preferred arrangement of the invention, the jaws are removable. They are mounted on an axis of square section, and they are locked on this axis by a system of the ball type pressed by spring.

 Still according to the invention, the jaws are in the form of a cylinder made of plastic material.

 According to another arrangement, the jaws are in the form of a cylinder with a portion of envelope made of flexible material which makes it possible to uproot more fragile plants without damaging them.

 Still according to the invention, the jaws have a conical end which makes it possible to spread the foliage and to facilitate the positioning of the tool.

 The invention will be further illustrated with the aid of the following description of an embodiment, and of the appended drawings given by way of indication and in which - FIG. 1 is a front view of the tool according to the invention - Figure 2 is a side view with the jaws removed - Figure 3 is a section of a jaw.

 The tool shown in front view, Figure 1, consists of a shoe 1 which serves as a reference member for placing the tool on the ground. This shoe has, for example, a cylindrical shape; it serves as a bearing for axes 2 spaced apart from one another, arranged in parallel, and on which are mounted, eccentrically, cylindrical jaws 3. The axes 2 are perpendicular and intersecting the axis of the shoe.

 Each jaw 3, shown in thin broken lines, is mounted on an axis 4 of square section for example. This axis 4 is integral with a drum 5 which is itself centered and fixed on the axis 2.

 The rotational movement of the drums 5 causes an eccentric movement of the axes 4; the latter drive the jaws 3 which, at first, sink slightly into the ground to pinch the root or the tops of the vegetable to be dug up; the continuation of the rotation of the drums 5 causes a beginning of tearing of the vegetable pinched between the two jaws.

 In the rest position, the two jaws 3 are separated by a distance provided in advance which corresponds to the type of vegetable to be pulled. The clamping force results from the distance between the axes 2 of the drums 5 and the support axes 4 of the jaws 3.

 Note in FIG. 2, that the jaw 3 is simply fitted onto its axis 4 and locked by a ball 6 pressed by means of a spring 7. This assembly makes it possible to quickly modify the capacities of the tool by changing the jaws which are chosen according to the type of vegetables to be pulled. The jaws 3 have a length which is of the order of two to three times their diameter.

 It is also noted that the jaws 3 have an end 8 of conical shape which makes it possible to spread the leaves more easily, thus facilitating the introduction of the tool at the foot of the vegetable to be plucked.

 The shoe 1 is surmounted by a handle 10 at the upper end of which there is a handle 11 which allows the operator to maneuver the tool without having to bend down. The handle 10 serves as a guide for a trigger 12 which allows the operator, via a pair of cables 13, to actuate the drums 5 to induce the movement of the jaws 3.

 The trigger 12 slides on the handle 10; it is guided by means of a groove 14 arranged in said handle. The stroke of this trigger 12 is limited by the length of the groove 14.

 The cables 13 are wound on the drums 5 and, starting from the end of these cables, there are elastic return members, in the form of springs 15 anchored on a ring 16 secured to the handle 10. This ring 16 is tightened on the handle by means of a yoke 17, for example, so as to be adjustable in height to vary the return tension.

 The jaws 3 are preferably made of plastic material. Provision may be made, in particular for picking delicate fruit, to produce a portion of the envelope of the jaw using a more flexible material, of the rubber type.

 There is shown in Figure 3, a section of a jaw 3. This jaw 3 has a core of plastic material and, around this core, on about half of the outer shell, a band 18 made of flexible material ; the rest of the envelope of the jaw is constituted by the plastic material.

 This type of bi-material jaw can be used either with its hard casing or, by reversing the two jaws on axes 4, be used with the flexible side of the casing.

 The reference signs inserted after the technical characteristics mentioned in the claims are intended only to facilitate the understanding of the latter and in no way limit their scope.

Claims (9)

- CLAIMS
 1.- Vegetable harvesting tool of the root type, characterized in that it comprises a shoe (1) serving as a support guide for two rotary jaws (3) mounted eccentrically on two parallel axes (2) integral with said shoe and, on the other hand, means of remote animation of said jaws (3) to make them pass from a rest position where they are separated from one another allowing their positioning around the vegetable, to an active position of pinching the plant, firstly, and of digging up, secondly, before finishing with the tearing operation by lifting said tool.
 2.- Harvesting tool according to claim 1, characterized in that the jaw animation means (3) are arranged at the upper end of a handle (10) fixed on the shoe (1), to be located at a level which allows the operator to carry out his harvest standing, which means consist of a trigger (12) which actuates, by means of a pair of cables (13) rotary drums (5) mounted on the axes ( 2) and on which are fixed eccentrically to said axes (2), the jaws (3).
 3.- Harvesting tool according to claim 2, characterized in that the drums (5) comprise an elastic return member (15) anchored on a ring (16) integral with the handle (10).
 4.- Harvesting tool according to claim 2, characterized in that the trigger (12) is guided on the handle (10) by means of a groove (14) provided on said handle, and the length of which regulates the stroke of said trigger.
 5.- harvesting tool according to any one of claims 2 to 4, characterized in that the jaws (3) are mounted on an axis (4) which is integral with the drum (5), and which is eccentric with respect to the axis (2) of said drum, which axis (4) is of square section for driving said jaws.
 6.- Harvesting tool according to claim 5, characterized in that each jaw (3) is locked on its axis (4) by means of a ball type system (6) pressed by a spring (7).
 7.- Harvesting tool according to any one of claims 1 to 6, characterized in that the jaws (3) are in the form of a cylinder of plastic material, the length of which corresponds to two or three times the diameter.
 8.- Harvesting tool according to claim 7, characterized in that the jaws (3) have at their end (8), a conical part for spreading the foliage and to facilitate the establishment of the tool.
 9. A harvesting tool according to any one of claims 7 or 8, characterized in that the jaws (3) comprise a portion of envelope made of flexible material so as to avoid injuring the plants to be harvested.
FR9310252A 1993-08-23 1993-08-23 Tool for harvesting vegetables of the root type in particular. Expired - Fee Related FR2709228B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9310252A FR2709228B1 (en) 1993-08-23 1993-08-23 Tool for harvesting vegetables of the root type in particular.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9310252A FR2709228B1 (en) 1993-08-23 1993-08-23 Tool for harvesting vegetables of the root type in particular.

Publications (2)

Publication Number Publication Date
FR2709228A1 true FR2709228A1 (en) 1995-03-03
FR2709228B1 FR2709228B1 (en) 1995-12-08

Family

ID=9450385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9310252A Expired - Fee Related FR2709228B1 (en) 1993-08-23 1993-08-23 Tool for harvesting vegetables of the root type in particular.

Country Status (1)

Country Link
FR (1) FR2709228B1 (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1403110A (en) * 1920-05-26 1922-01-10 Oscar L Rude Garden weed puller
US2852904A (en) * 1957-06-12 1958-09-23 Orla W Peterson Cabbage harvester
US2885240A (en) * 1955-07-01 1959-05-05 John Q Andrews Weed extracting device
US3310121A (en) * 1964-07-13 1967-03-21 Joseph P Hussar Combination root cutter and plant puller
US3567264A (en) * 1969-02-03 1971-03-02 Glen L Baber Implement for removing indentations in turf or on golf greens
US3827503A (en) * 1972-07-27 1974-08-06 C Hansen Harvesting machine for cabbage, or the like
SU1142029A1 (en) * 1982-05-04 1985-02-28 Dvoryanidov Aleksandr G Picker for manual operations in field husbandry
SU1175380A1 (en) * 1984-03-21 1985-08-30 Литовский Научно-Исследовательский Институт Механизации И Электрификации Сельского Хозяйства Hand-operated agricultural implement
DE9210966U1 (en) * 1992-08-17 1992-10-15 Trauschke, Siegfried, 8052 Moosburg, De

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1403110A (en) * 1920-05-26 1922-01-10 Oscar L Rude Garden weed puller
US2885240A (en) * 1955-07-01 1959-05-05 John Q Andrews Weed extracting device
US2852904A (en) * 1957-06-12 1958-09-23 Orla W Peterson Cabbage harvester
US3310121A (en) * 1964-07-13 1967-03-21 Joseph P Hussar Combination root cutter and plant puller
US3567264A (en) * 1969-02-03 1971-03-02 Glen L Baber Implement for removing indentations in turf or on golf greens
US3827503A (en) * 1972-07-27 1974-08-06 C Hansen Harvesting machine for cabbage, or the like
SU1142029A1 (en) * 1982-05-04 1985-02-28 Dvoryanidov Aleksandr G Picker for manual operations in field husbandry
SU1175380A1 (en) * 1984-03-21 1985-08-30 Литовский Научно-Исследовательский Институт Механизации И Электрификации Сельского Хозяйства Hand-operated agricultural implement
DE9210966U1 (en) * 1992-08-17 1992-10-15 Trauschke, Siegfried, 8052 Moosburg, De

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
SOVIET INVENTIONS ILLUSTRATED Section PQ Week 8538, 1 November 1985 Derwent World Patents Index; Class P12, AN 85-234704 *
SOVIET INVENTIONS ILLUSTRATED Section PQ Week 8611, 29 March 1986 Derwent World Patents Index; Class P12, AN 86-074644 *

Also Published As

Publication number Publication date
FR2709228B1 (en) 1995-12-08

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