FR2568093A1 - Protective device for the cutting blade of a lawnmower - Google Patents

Protective device for the cutting blade of a lawnmower Download PDF

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Publication number
FR2568093A1
FR2568093A1 FR8411933A FR8411933A FR2568093A1 FR 2568093 A1 FR2568093 A1 FR 2568093A1 FR 8411933 A FR8411933 A FR 8411933A FR 8411933 A FR8411933 A FR 8411933A FR 2568093 A1 FR2568093 A1 FR 2568093A1
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FR
France
Prior art keywords
cutting blade
grid
casing
hand
protective device
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.)
Pending
Application number
FR8411933A
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French (fr)
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8411933A priority Critical patent/FR2568093A1/en
Publication of FR2568093A1 publication Critical patent/FR2568093A1/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D34/00Mowers; Mowing apparatus of harvesters
    • A01D34/01Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/82Other details
    • A01D34/828Safety devices
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D2101/00Lawn-mowers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

The present invention relates to a protective device for the cutting blade of a lawnmower. The device is characterised in that it essentially takes the form of a removable grid 1 extending under the housing 2 of the mower so as to cover the entire effective range of the cutting blade, and fastened to the skirt of said housing 2, on the one hand by means of a hinge 3 and on the other hand by means of fastening lugs 4 and screws 5.

Description

La présente invention concerne le domaine de la construction de tondeuses à gazon, en particulier des dispositifs de sécurité, et a pour objet un dispositif de protection pour lame de coupe de tondeuse à gazon. The present invention relates to the field of construction of lawn mowers, in particular safety devices, and relates to a protective device for cutting blade of lawn mower.

Actuellement, les lames de coupe de tondeuse à gazon sont généralement logées dans des carters les recouvrant entièrement et présentant une canalisation d'éjection de l'herbe coupée. Ces carters permettent une protection efficace contre un accès à la lame par le haut, mais présentent un danger considérable pour l'utilisateur en cas de pénétration fortuite et accidentelle d'un membre sous la tondeuse ou en cas de renversement de cette dernière en marche. En outre, dans le cas d'une tonte le long de bordures en béton ou en pierres de taille, il existe un important risque d'usure prématurée, voire d'endommagement important de la lame de coupe et/ou de son entraînement. De même l'introduction de pierres dans le champ d'action de la lame et la projection de ces pierres St quasiment inévitables. Currently, the lawn mower cutting blades are generally housed in casings completely covering them and having a pipe for ejecting the cut grass. These casings provide effective protection against access to the blade from above, but present a considerable danger to the user in the event of accidental and accidental penetration of a member under the mower or in the event of the latter overturning when in operation. In addition, in the case of mowing along concrete or cut stone edges, there is a significant risk of premature wear, or even significant damage to the cutting blade and / or its drive. Likewise, the introduction of stones into the field of action of the blade and the projection of these almost inevitable St stones.

La présente invention a pour but de pallier ces inconvénients. The present invention aims to overcome these drawbacks.

Elle a, en effet, pour objet un dispositif de protection pour lame de coupe de tondeuse à gazon caracté- risé en ce qu'il est essentiellement constitué sous forme d'une grille amovible s'étendant sous le carter de la tondeuse de manière à recouvrir tout le champ d'action de la lame de coupe, et fixée à la jupe dudit carter, d'une part, au moyen d'une charnière, et, d'autre part, au moyen de pattes de fixation et de vis. It has, in fact, for its object a protection device for a cutting blade of a lawn mower characterized in that it is essentially constituted in the form of a removable grid extending under the casing of the mower so as to cover the entire field of action of the cutting blade, and fixed to the skirt of said casing, on the one hand, by means of a hinge, and, on the other hand, by means of fixing lugs and screws.

L'invention sera mieux comprise grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence au dessin schématique annexé, dans lequel
la figure 1 est une vue par en dessous du dispositif conforme à l'invention, et
la figure 2 est une vue en élévation frontale du dispositif.
The invention will be better understood from the description below, which relates to a preferred embodiment, given by way of nonlimiting example, and explained with reference to the appended schematic drawing, in which
FIG. 1 is a view from below of the device according to the invention, and
Figure 2 is a front elevational view of the device.

Conformément à l'invention, et comme le montrent les figures 1 et 2 du dessin annexé, le dispositif de protection pour lame de coupe de tondeuse à gazon est constitué sous forme d'une grille amovible 1 qui s'étend sous le carter 2 de la tondeuse de manière à recouvrir totalement le champ d'action de la lame de coupe. Cette grille 1 est fixée à la jupe du carter 2, d'une part, au moyen d'une charnière 3, par exemple près de la partie arrière du carter 2, et, d'autre part, au moyen de pattes de fixation 4 coopérant avec des vis 5 fixées dans le carter 2, sensiblement à équidistance de la charnière 3. According to the invention, and as shown in Figures 1 and 2 of the accompanying drawing, the protective device for lawn mower cutting blade is in the form of a removable grid 1 which extends under the casing 2 of the mower so as to completely cover the field of action of the cutting blade. This grid 1 is fixed to the skirt of the casing 2, on the one hand, by means of a hinge 3, for example near the rear part of the casing 2, and, on the other hand, by means of fixing lugs 4 cooperating with screws 5 fixed in the casing 2, substantially equidistant from the hinge 3.

Conformément à une caractéristique de l'invention, et comme le montre la figure 2, la grille 1 est munie, à sa partie avant d'une portion recourbée vers le haut 6 pénétrant dans un évidemment 7 prévu sur la partie frontale de la jupe du carter 2. Ainsi, l'entrée de l'herbe à couper dans le champ d'action de -la lame de coupe est favorisée. In accordance with a characteristic of the invention, and as shown in FIG. 2, the grid 1 is provided, at its front part with an upwardly curved portion 6 penetrating into a recess 7 provided on the front part of the skirt of the casing 2. Thus, the entry of the grass to be cut into the field of action of the cutting blade is favored.

La grille amovible 2 est constituée par des barreaux alignés parallèlement entre eux et suivant le sens de marche de la tondeuse. The removable grid 2 consists of bars aligned parallel to each other and in the direction of travel of the mower.

Ainsi, l'herbe entre sous le carter, en particulier au niveau de la portion recourbée 6 de la grille 2, et se relève entre les barreaux de cette dernière pour être coupée dans le champ d'action de la lame de coupe. Thus, the grass enters under the casing, in particular at the level of the curved portion 6 of the grid 2, and rises between the bars of the latter to be cut in the field of action of the cutting blade.

La grille 1 permet de protéger l'utilisateur de la tondeuse contre un contact accidentel avec la lame de coupe, par exemple avec les pieds, ou encore avec les mains en cas de renversement de ladite tondeuse sur un terrain en forte pente. En outre, le dispositif selon l'invention permet également la tonte au-dessus de bordures en pierres de taille, ou en béton, la grille 1 protégeant efficacement la lame de coupe contre tout contact fortuit avec lesdites bordures. De plus, la projection accidentelle de grosses pierres est évitée, ces dernières ne pouvant pénétrer entre les barreaux de
la grille 1 et être saisies par la lame de coupe.
The grid 1 makes it possible to protect the user of the mower against accidental contact with the cutting blade, for example with the feet, or even with the hands in the event of overturning of said mower on steep terrain. In addition, the device according to the invention also allows mowing over edges of cut stone, or concrete, the grid 1 effectively protecting the cutting blade against accidental contact with said edges. In addition, the accidental projection of large stones is avoided, as these cannot penetrate between the bars of
grid 1 and be gripped by the cutting blade.

Selon une variante de réalisation de l'invention, non représentée, la grille 1 peut être montée sous le carter 2 de manière fixe, par boulonnage. According to an alternative embodiment of the invention, not shown, the grid 1 can be mounted under the casing 2 in a fixed manner, by bolting.

Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté au dessin annexé. Of course, the invention is not limited to the embodiment described and shown in the accompanying drawing.

Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pourautant du domaine de protection de l'invention. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without however departing from the scope of protection of the invention.

Claims (3)

- REVENDICATIONS -- CLAIMS - 1. Dispositif de protection pour lame de coupe de tondeuse à gazon caractérisé en ce qu'il est essentiellement constitué sous forme d'une grille amovible (1) s'étendant sous le carter (2) de la tondeuse de manière à recouvrir tout le champ d'action de la lame de coupe, et fixée à la jupe dudit carter (2), d'une part, au moyen d'une charnière (3), et, d'autre part, au moyen de pattes de fixation (4) et de vis (5) 1. Protective device for a lawn mower cutting blade, characterized in that it essentially consists of a removable grid (1) extending under the casing (2) of the mower so as to cover all of the field of action of the cutting blade, and fixed to the skirt of said casing (2), on the one hand, by means of a hinge (3), and, on the other hand, by means of fixing lugs ( 4) and screws (5) 2. Dispositif, suivant la revendication 1, caractérisé en ce que la grille (1) est munie, à sa partie avant d'une portion recourbée vers le haut(6)pénétrant dans un évidement (7) prévu sur la partie frontale de la jupe du carter (2). 2. Device according to claim 1, characterized in that the grid (1) is provided, at its front part with an upwardly curved portion (6) penetrating into a recess (7) provided on the front part of the casing skirt (2). 3. Dispositif, suivant l'une quelconque des revendications 1 et 2, caractérisé en ce que la grille (1) est montée sous le carter (2) de manière fixe, par boulonnage.  3. Device according to any one of claims 1 and 2, characterized in that the grid (1) is mounted under the housing (2) fixedly, by bolting.
FR8411933A 1984-07-25 1984-07-25 Protective device for the cutting blade of a lawnmower Pending FR2568093A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8411933A FR2568093A1 (en) 1984-07-25 1984-07-25 Protective device for the cutting blade of a lawnmower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8411933A FR2568093A1 (en) 1984-07-25 1984-07-25 Protective device for the cutting blade of a lawnmower

Publications (1)

Publication Number Publication Date
FR2568093A1 true FR2568093A1 (en) 1986-01-31

Family

ID=9306554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8411933A Pending FR2568093A1 (en) 1984-07-25 1984-07-25 Protective device for the cutting blade of a lawnmower

Country Status (1)

Country Link
FR (1) FR2568093A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2441203A (en) * 2006-08-16 2008-02-27 Gmca Pty Ltd Lawn mower with storage cover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2441203A (en) * 2006-08-16 2008-02-27 Gmca Pty Ltd Lawn mower with storage cover

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