AU728786B2 - A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking, a method of manufacture of such a shaking device, and a mould for the manufacture of such a shaking device - Google Patents

A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking, a method of manufacture of such a shaking device, and a mould for the manufacture of such a shaking device Download PDF

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Publication number
AU728786B2
AU728786B2 AU34170/97A AU3417097A AU728786B2 AU 728786 B2 AU728786 B2 AU 728786B2 AU 34170/97 A AU34170/97 A AU 34170/97A AU 3417097 A AU3417097 A AU 3417097A AU 728786 B2 AU728786 B2 AU 728786B2
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Australia
Prior art keywords
shaking
machine
berries
shaking device
grape harvesting
Prior art date
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Ceased
Application number
AU34170/97A
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AU3417097A (en
AU728786C (en
Inventor
James Gregorie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gregoire Ets SA
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Gregoire Ets SA
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Application filed by Gregoire Ets SA filed Critical Gregoire Ets SA
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Assigned to ETABLISSEMENTS GREGOIRE S.A. reassignment ETABLISSEMENTS GREGOIRE S.A. Amend patent request/document other than specification (104) Assignors: ESTABLISSEMENTS GREGOIRE S.A.
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Publication of AU728786C publication Critical patent/AU728786C/en
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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D46/00—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs
    • A01D46/28—Vintaging machines, i.e. grape harvesting machines

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Food-Manufacturing Devices (AREA)
  • Preparation Of Fruits And Vegetables (AREA)

Description

S.
AUSTRALIA
Patents Act 1990 E#TABLISSEMENTS GREGOIRE S.A.
ORIGINAL
COMPLETE SPECIFICATION STANDARD PATENT Invention Title: A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking, a method of manufacture of such a shaking device, and a mould for the manufacture of such a shaking device The following statement is a full description of this invention including the best method of performing it known to us:- 1/1 A SHAKING DEVICE FOR A GRAPE HARVESTING MACHINE OR A MACHINE FOR COLLECTING FRUITS OR BERRIES BY SHAKING, A METHOD OF MANUFACTURE OF SUCH A SHAKING DEVICE, AND A MOULD FOR THE MANUFACTURE OF SUCH A SHAKING DEVICE This invention relates to a shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking, as well as a method of manufacture of such a shaking device, and a mould for the manufacture of such a shaking device.
Such shaking devices are intended for machines for harvesting grapes and more generally for machines for collecting fruits or berries (blackcurrants, olives etc.) by shaking.
10 The shaking devices for grape harvesting machines are usually formed by a rod made of plastic material held at one of its ends by a connecting clamp to a support oscillating around an axis perpendicular to the plane containing the rod. Generally these shaking devices are produced from rods of rigid plastic materials, for example ERTALON (trade mark).
One may differentiate between different variants of shaking devices. Certain shaking devices are bent into the shape of a hairpin. Other types of shaking devices are formed by a simple rod, whose end opposite to the oscillating support is free, or contrary to this connected to another fixed or oscillating support by a linking rod or a connecting component.
A first disadvantage of such shaking devices is that the part situated at the connecting clamp end is subjected to large mechanical stresses, that may cause breakage. At this part of the device, in effect, one passes from a very rigid area where the shaking device is held firmly in the clamp to a less rigid area where the shaking device is free. Shearing effects are produced that cause a significant heating up of this part, which weakens the shaking device. This phenomenon is particularly detrimental at the start of grape harvesting, when the maturity of the grapes is not yet a maximum, and setting of the grape harvesting machines to high shaking frequencies is necessary.
Another disadvantage relates more specifically to shaking devices with a free end or with a straight rod the back end of which is connected to a support by a connecting rod.
For this type of shaking device, it is usual to use a fixing clamp extended by a sleeve having a concave support surface, so as to cause a partial winding up of the portion of the rod situated behind the holding clamp. This partial winding up is intended to continuously modify the :i frequency appropriate to the shaking device and to prevent it going into S "resonance.
The aim of the invention is to remedy these disadvantages. To this S 20 effect, it relates to shaking devices the rod of which has an intermediate portion, adjacent its end held by the fixing clamp which is tapered.
Advantageously, the rod has a first portion of constant section suitable to be held firmly in the fixing clamp, extended by an intermediate portion.
the section of which reduces progressively between the section of the first portion and the section of the rod extending beyond the intermediate portion.
According to one particular embodiment, the section of the intermediate portion varies between a maximum section of about millimetres and a minimum section of about 20 millimetres.
According to another particular embodiment, the length of the intermediate portion is between 10 and 50 5 centimetres.
According to a first variant, the intermediate portion is extended, on the side opposite to the first portion by a substantially straight rod.
O According to a second variant, the intermediate portion is extended, 335 jon the side opposite to the first portion, by a rod bent into a hairpin.
The invention also relates to a method of manufacture of a shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking, by the moulding of a plastic material in order to form an element having a first portion to be held by a connecting clamp, an intermediate portion of section and an active part.
In the prior art. the shaking devices are manufactured by deformation of a cylindrical rod. This method of manufacture has a disadvantage for shaking devices bent into a hairpin. In effect, the material has a form memory effect which tends to modify the initial curvature of the shaking device.
The invention further relates to a mould for the manufacture of a shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking having a print forming a first portion to be held by a connecting clamp, an intermediate portion of tapering section and an active part.
Advantageously, the print has a part bent into a hairpin forming an I extension to the part for forming the intermediate portion.
*o o* The invention will be better understood on reading the description which follows, that makes reference to the appended figures relating to non-limitative examples of embodiments where: Figure 1 represents a view from above of a shaking device according to a first variant of the invention; Figure 2 represents a view from above of a shaking device according to a second variant of the invention; Figure 3 represents a view from above of a shaking device according to a third variant of the invention; Figures 4 to 6 represent views from above of three variants of shaking devices having two portions of variable section.
Figure 1 represents a view from above of a shaking device according to a first variant of the invention. The shaking device has a first portion of cylindrical shape and of constant section. This first portion is intended to be held by a clamp formed by two half shells having a complementary internal section.
By way of an example, the section of this first portion is circular and has a diameter of millimetres.
.ee.ei This first portion is extended by an intermediate portion the section of which decreases from a section identical to that of the first portion to a section identical to that of the rod The length of this intermediate section is about centimetres.
The end of the rod can be free or supported by means of a connecting rod.
The intermediate portion, in this variant, carries out two functions: It reinforces the area of the shaking device that is particularly stressed and it causes the rigidity of the shaking device to develop progressively, which creates vibratory harmonics that limit resonance phenomena.
Such a shaking device can be produced by machining a cylindrical rod, or by moulding.
Figure 2 represents an embodiment variant in which the shaking device has a generally arcuate form.
Figure 3 represents another embodiment variant in which the shaking device is bent into a hairpin.
Figures 4 to 6 represent views from above of three variants of shaking devices having two portions of variable section.
Figure 4 represents a hairpin shaped shaking device intended to be fixed by its two ends onto supports. The *central area is extended on either side by intermediate portions 5) of section that increases in the direction away from the central area These intermediate portions 5) are themselves extended by cylindrical terminal portions 6) intended to be *"clamped by the fixing clamps.
Figure 5 represents an embodiment variation, in which the shaking device is a straight rod, the ends of which are held by fixing clamps. The central active area is extended on either side by portions of increasing section that are terminated by fixing portions Figure 6 represents another embodiment variant. In this variant, the shaking device is curved into an oval shape open on one of its large sides. The intermediate portions extend over one part at least of the curved parts 8) The invention has been described above by the use of non-limitative examples. It is understood that a man skilled in the art will be able to produce different variants without, for all that, departing from the scope of the invention.
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Claims (14)

1. A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking formed by a rod made of a plastic material held at one of its ends at least by a connecting clamp to a support oscillating around an axis perpendicular to the plane containing the rod. characterised in that the rod has an intermediate portion. adjacent said one of its ends, which is tapered.
2. A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking according to claim 1, characterised in that the rod has a first portion of constant section suitable for being gripped in a fixing clamp, extended by an intermediate portion the section of which reduces progressively between the section of the first portion. and the section of the rod extending beyond the intermediate portion.
A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking according to claim I or 2. *characterised in that the section of the intermediate portion tapers from a n axim-um- section of about 50 millimetres to a minimum section of about 20 111'1iiiietres. ooeo
4. A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking according to any one of the preceding claims. characterised in that the length of the intermediate portion is between 10 and 50 centimetres. 25
5. A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking according to any one of the preceding claims. characterised in that the intermediate portion is extended,. on the side opposite to the first portion,. by a substantially straight rod.
6. A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking according to any one of claims 1 to characterised in that it has two intermediate portions arranged on either side of an active central area.
7. A shaking device for a grape harvesting machine or a machine for Sollecting fruits or berries by shaking according to claim 6. characterised in 8 that it has the general shape of an oval open on one of its large sides, the intermediate portions being at least in part curved.
8. A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking according to any one of claims 1 to 4, characterised in that the intermediate portion is extended on the side opposite to the first portion by a rod bent into a hairpin.
9. A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking according to the preceding claim, characterised in that the rod bent into a hairpin is extended by a second intermediate portion of decreasing section.
A method of manufacture of a shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking characterised in that one moulds a plastic material in order to form an 15 element having a first portion to be held by a connecting clamp, an intermediate portion of tapering section and an active part.
11. A mould for the manufacture of a shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking having a print forming a first portion to be held by a connecting clamp, an 20 intermediate portion of tapering section and an active part.
*12. A mould for the manufacture of a shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking according to the preceding claim characterised in that the print has a part bent into a hairpin that forms an extension to the part for the formation of the 25 intermediate portion soo o.i
13. A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking substantially as described herein with reference to the accompanying drawings.
14. A method of manufacture of a shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking substantially as described herein. A mould for the manufacture of a shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking substantially as described herein. DATED this 26th day of October 2000 Etablissements Gregoire S.A. Patent Attorneys for the Applicant: F.B. RICE CO. *e. 0*O* 09* .00. S. S S
AU34170/97A 1996-08-27 1997-08-13 A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking, a method of manufacture of such a shaking device, and a mould for the manufacture of such a shaking device Ceased AU728786C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR96/10496 1996-08-27
FR9610496A FR2752666B1 (en) 1996-08-27 1996-08-27 SHAKER FOR A MACHINE FOR HARVESTING OR HARVESTING FRUITS OR BERRIES BY SHAKING, PROCESS FOR PRODUCING SUCH A SHAKER, AND MOLD FOR PRODUCING SUCH A SHAKER

Publications (3)

Publication Number Publication Date
AU3417097A AU3417097A (en) 1998-03-05
AU728786B2 true AU728786B2 (en) 2001-01-18
AU728786C AU728786C (en) 2001-10-11

Family

ID=9495236

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34170/97A Ceased AU728786C (en) 1996-08-27 1997-08-13 A shaking device for a grape harvesting machine or a machine for collecting fruits or berries by shaking, a method of manufacture of such a shaking device, and a mould for the manufacture of such a shaking device

Country Status (6)

Country Link
EP (1) EP0832550B1 (en)
AU (1) AU728786C (en)
DE (1) DE69712285T2 (en)
ES (1) ES2175299T3 (en)
FR (1) FR2752666B1 (en)
ZA (1) ZA977359B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3037770B1 (en) * 2015-06-25 2017-12-22 Pellenc Sa DRILLING ARM FOR RECOVERING MACHINE, AND RECOVERING MACHINE HAVING A PLURALITY OF SHAKING ARMS.
FR3043883B1 (en) 2015-11-23 2018-08-17 Cnh Industrial France SECURING DEVICE FOR EQUIPPING A FRUIT HARVESTING UNIT
FR3073706B1 (en) * 2017-11-22 2019-12-20 Gregoire SHAKER MEMBER WITH IMPROVED FASTENING, AND HARVESTING SHAKING DEVICE PROVIDED WITH SUCH A SHAKER MEMBER

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911653A (en) * 1972-04-10 1975-10-14 Chisholm Ryder Co Inc Machine for harvesting fruit grown on plants arranged in a row
FR2436553A1 (en) * 1978-09-20 1980-04-18 Lignones Hubert Shaker for grape harvester - has pick=ups with reinforcing elements in elastic region adjacent to mountings
FR2554672A1 (en) * 1983-11-15 1985-05-17 Volentieri G Nuove Tecniche Sr Grape harvesting machine shaker mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2635943A1 (en) * 1988-09-08 1990-03-09 Bobard Jeune Sa Ets Improvements to the shaking devices for harvesting machines, and particularly for grape harvesting machines
DE69018928T2 (en) * 1989-10-26 1995-12-21 Gregoire Ets Shaker and machine for harvesting grapes with such a shaker.
FR2654575B1 (en) * 1989-11-20 1992-01-10 Bobard Jeune Sa Ets IMPROVEMENTS IN SIDE SHAKING DEVICES FOR FRUIT HARVESTING MACHINES, ESPECIALLY HARVESTING MACHINES.
NZ240461A (en) * 1991-11-04 1994-12-22 Donald John Nairn U-shaped shaker rod for grape or fruit harvester: rod constructed in two parts having different rigidities

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911653A (en) * 1972-04-10 1975-10-14 Chisholm Ryder Co Inc Machine for harvesting fruit grown on plants arranged in a row
FR2436553A1 (en) * 1978-09-20 1980-04-18 Lignones Hubert Shaker for grape harvester - has pick=ups with reinforcing elements in elastic region adjacent to mountings
FR2554672A1 (en) * 1983-11-15 1985-05-17 Volentieri G Nuove Tecniche Sr Grape harvesting machine shaker mechanism

Also Published As

Publication number Publication date
AU3417097A (en) 1998-03-05
EP0832550A1 (en) 1998-04-01
FR2752666A1 (en) 1998-03-06
DE69712285D1 (en) 2002-06-06
FR2752666B1 (en) 1998-12-31
ES2175299T3 (en) 2002-11-16
AU728786C (en) 2001-10-11
EP0832550B1 (en) 2002-05-02
ZA977359B (en) 1998-03-02
DE69712285T2 (en) 2002-10-31

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