FR2843995A1 - Support shelf with variable load bearing surface equipping stepladders has extensible device comprising round elbowed wire with two branches sliding in complementary shapes at ends of part integral with shelf lower face - Google Patents

Support shelf with variable load bearing surface equipping stepladders has extensible device comprising round elbowed wire with two branches sliding in complementary shapes at ends of part integral with shelf lower face Download PDF

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Publication number
FR2843995A1
FR2843995A1 FR0210813A FR0210813A FR2843995A1 FR 2843995 A1 FR2843995 A1 FR 2843995A1 FR 0210813 A FR0210813 A FR 0210813A FR 0210813 A FR0210813 A FR 0210813A FR 2843995 A1 FR2843995 A1 FR 2843995A1
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Prior art keywords
support shelf
branches
support
shelf
stepladders
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Granted
Application number
FR0210813A
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French (fr)
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FR2843995B1 (en
Inventor
Jean Paul Merigot
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Macc SA
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Macc SA
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Publication date
Application filed by Macc SA filed Critical Macc SA
Priority to FR0210813A priority Critical patent/FR2843995B1/en
Publication of FR2843995A1 publication Critical patent/FR2843995A1/en
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Publication of FR2843995B1 publication Critical patent/FR2843995B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H3/00Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
    • B25H3/04Racks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H3/00Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/39Ladders having platforms; Ladders changeable into platforms
    • E06C1/393Ladders having platforms foldable with the ladder
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/14Holders for pails or other equipment on or for ladders
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/16Platforms on, or for use on, ladders, e.g. liftable or lowerable platforms

Abstract

The dimensions of the support shelf extensible device (3) can be adjusted by means of two branches (9,9') of a round wire (10). The elbowed wire is connected in its exterior inverted V shaped part (7) in front of the support shelf (2) by a flat part (6). The branches slide in two complementary shapes (4,4') provided at each of the ends of the part (8) integral with the lower face of the support shelf.

Description

- 1 De nombreux escabeaux et échelles comportent une tablette porte-- 1 Many stepladders and ladders include a shelf

outils amovible ou non et parfois articulée, destinée à maintenir à portée de main de l'utilisateur les outils et autres matériels nécessaires à  tools removable or not and sometimes articulated, intended to keep within reach of the user the tools and other materials necessary for

l'exécution d'une tâche à hauteur.  performing a task at height.

Brevet FR 2 445 430: perfectionnement apporté aux accessoires  Patent FR 2 445 430: improvement made to accessories

de travail tels que les escabeaux. Ce brevet concerne une tablette rabattable avec bord de retenue.  work such as stepladders. This patent relates to a folding shelf with retaining edge.

Brevet EP 0173 385 A2: réceptacle pour marche pied. Ce brevet  Patent EP 0173 385 A2: receptacle for step. This patent

décrit un récipient accessoire composé de pièces de base coulissante 10 sur laquelle s'articule une pièce en porte à faux.  describes an accessory container composed of sliding base parts 10 on which is articulated a cantilevered part.

Brevet FR 2 611 376: dispositif permettant d'adapter une tablette porteoutils sur les escabeaux pliants d'usage courant. Ce brevet décrit  Patent FR 2 611 376: device for adapting a tool shelf on folding stools in common use. This patent describes

une tablette amovible clipsable.a removable clip-on shelf.

Brevet FR 2 603 651: ce brevet décrit un dispositif permettant 15 d'adapter une tablette porte-outils sur les escabeaux pliants d'usage courant. Brevet EP 0378 375 A1: plate-forme d'échelle. Ce brevet décrit une plate-forme pour échelle ou escabeau pouvant supporter des outils  Patent FR 2 603 651: this patent describes a device making it possible to adapt a tool holder shelf to the folding stools in common use. Patent EP 0378 375 A1: ladder platform. This patent describes a platform for a ladder or stepladder capable of supporting tools.

ou autres articles.or other items.

Brevet EP 0578 877 A1: accessoire pour escabeau articulé. Ce brevet décrit un des dispositifs supports adaptables aux escabeaux sur  Patent EP 0578 877 A1: accessory for articulated stepladder. This patent describes one of the support devices adaptable to stepladders on

lequel est fixé un plateau support d'outils ou de matériaux.  which is fixed a support plate for tools or materials.

Toutes ces tablettes supports équipant des escabeaux ou des échelles, décrites ci-dessus et plus ou moins connues des utilisateurs 25 professionnels et domestiques, sont à dimensions fixes et insuffisantes pour des raisons d'encombrement ne permettant pas de supporter avec toute la stabilité souhaitable des éléments aux dimensions plus grandes  All of these support shelves fitted to stepladders or ladders, described above and more or less known to professional and domestic users, are of fixed dimensions and insufficient for reasons of bulk, not making it possible to support with all the desirable stability of larger dimensions

que lesdites tablettes.as said tablets.

-2 La présente invention a pour objet un dispositif permettant d'augmenter à volonté la surface porteuse des tablettes supports adaptables sur les escabeaux et les échelles et, par conséquent, capables de recevoir des volumes de section plus grande, comme par exemple cer5 tains pots de peinture ou caisses à outils. Ce dispositif extensible de la tablette est réglable en dimensions par effet de coulissement dans des guides fixés sous la tablette support d'un fil rond de section suffisante  -2 The present invention relates to a device for increasing at will the carrying surface of the support shelves adaptable on stepladders and ladders and, therefore, capable of receiving larger section volumes, such as for example cer5 tain pots paint or tool boxes. This extendable device of the shelf is adjustable in size by sliding effect in guides fixed under the shelf supporting a round wire of sufficient section

pour supporter les charges.to support the loads.

Ce fil rond coudé à son extrémité extérieure à l'avant de la ta10 blette, comporte deux branches qui coulissent dans des formes complémentaires d'une pièce solidaire de la face inférieure de la tablette.  This round wire bent at its outer end at the front of the ta10 chard, has two branches which slide into complementary shapes of a part secured to the underside of the tablet.

De façon à éviter tout glissement intempestif sous l'effet des vibrations de ce dispositif extensible, lesdites branches sont légèrement évasées et les formes complémentaires dans lesquelles elles coulissent 15 sont légèrement obliques, nécessitant ainsi une action ferme et volontaire pour obtenir l'extension souhaitée.  In order to avoid any untimely sliding under the effect of the vibrations of this extensible device, said branches are slightly flared and the complementary shapes in which they slide are slightly oblique, thus requiring firm and voluntary action to obtain the desired extension.

Ce même dispositif extensible est équipé dans sa partie extérieure  This same extendable device is equipped in its external part

située à l'avant de la tablette, d'un plat permettant de rattraper le décalage de niveau entre le fil rond et la face supérieure de la tablette.  located on the front of the tablet, with a dish to make up for the level difference between the round wire and the upper face of the tablet.

Ce plat est avantageusement perforé d'orifices ronds ou de fentes  This dish is advantageously perforated with round orifices or slits

destinés à recevoir des outils tels que spatules, tournevis ou autres, obtenant ainsi la fonction complémentaire de râtelier porte-outils.  intended to receive tools such as spatulas, screwdrivers or others, thus obtaining the complementary function of tool holder rack.

A son extrémité extérieure située à l'avant de la tablette, le fil rond est coudé vers le haut en forme de V renversé; cette forme faisant 25 ainsi à la fois office de zone de préhension pour tirer ou repousser le dispositif extensible de la tablette support et de butée pour les éléments  At its outer end located at the front of the shelf, the round wire is bent upwards in the shape of an inverted V; this form thus acting both as a grip zone for pulling or pushing the extendable device from the support shelf and as a stop for the elements

déposés sur la tablette support.deposited on the support shelf.

Figure 1: vue en perspective d'un escabeau avec sa tablette support équipée du dispositif d'extension.  Figure 1: perspective view of a stepladder with its support shelf equipped with the extension device.

-3 Figure 2: vue en perspective de la tablette support avec en trait  -3 Figure 2: perspective view of the support shelf with line

mixte la position extrême de l'extension.  mixed the extreme position of the extension.

Figure 3 vue de dessous de la tablette support seule et son extension.  Figure 3 bottom view of the support shelf alone and its extension.

Figure 4 vue en bout de la tablette support seule et de son extension.  Figure 4 end view of the support shelf alone and its extension.

Figure 5: vue de côté de la tablette support seule et de son extension.  Figure 5: side view of the support shelf alone and its extension.

Selon la figure 1, le dispositif extensible s'adapte sur une tablette 10 support (2) équipant un escabeau (1).  According to Figure 1, the expandable device fits on a support shelf 10 (2) fitted to a stepladder (1).

Selon les figures 2, 3, 4 et 5, le dispositif extensible (3) réalisé en  According to Figures 2, 3, 4 and 5, the expandable device (3) made of

fil rond (10), coulisse dans des formes complémentaires (4) (4') réalisées dans une pièce (8) solidaire de la face inférieure de la tablette support (2).  round wire (10), slides in complementary shapes (4) (4 ') produced in a part (8) integral with the underside of the support shelf (2).

L'adaptation du dispositif extensible (3) au volume à supporter s'obtient en exerçant une action ferme et volontaire sur la forme en V renversé (7). La course du dispositif extensible (3) est limité dans le sens de la fermeture par le plat (6) qui vient en butée sur l'avant de la tablette support (2) et dans le sens de l'ouverture, par des butées (5) 20 (5') prévues respectivement à chacune des extrémités antérieures des deux branches (9) (9') qui viennent en butée sur l'orifice antérieur de  The adaptation of the extensible device (3) to the volume to be supported is obtained by exerting a firm and voluntary action on the inverted V shape (7). The travel of the extendable device (3) is limited in the direction of closing by the plate (6) which abuts on the front of the support shelf (2) and in the direction of opening, by stops ( 5) 20 (5 ') provided respectively at each of the front ends of the two branches (9) (9') which come into abutment on the front orifice of

chacune des formes complémentaires (4) (4').  each of the complementary forms (4) (4 ').

Selon la figure 3, le dispositif extensible (3) a ses deux branches  According to Figure 3, the expandable device (3) has its two branches

(9) (9') légèrement évasées coulissant dans les formes complémentaires 25 (4) (4'), également légèrement obliques, prévues à chacune des extrémités de la pièce (8) solidaire de la face inférieure de la tablette support (2) . Cette disposition, du fait de l'élasticité du fil rond (10) du dispositif extensible (3) permet d'obtenir un auto-freinage évitant les déplacements intempestifs dans un sens ou dans un autre.  (9) (9 ') slightly flared sliding in the complementary shapes 25 (4) (4'), also slightly oblique, provided at each end of the part (8) integral with the underside of the support shelf (2) . This arrangement, due to the elasticity of the round wire (10) of the extensible device (3) makes it possible to obtain self-braking avoiding untimely movements in one direction or another.

-4 Selon les figures 2 et 3, le plat (6) solidaire du dispositif extensible (3) comporte des orifices de diverses formes tenant lieu avantageusement de râtelier destiné à recevoir des outils de type spatules, tournevis  -4 According to Figures 2 and 3, the flat (6) integral with the expandable device (3) has holes of various shapes advantageously serving as a rack for receiving tools like spatulas, screwdrivers

ou autres.or others.

Selon la figure 4, le plat (6) en forme de U renversé reliant les extrémités extérieures des deux branches (9) (9') permet de rattraper le décalage de niveau entre le dessus de la tablette support (2) et le fil rond (10) lorsque ledit dispositif extensible est tiré dans le sens de l'ouverture. -5  According to FIG. 4, the flat (6) in the shape of an inverted U connecting the outer ends of the two branches (9) (9 ') makes it possible to make up for the level offset between the top of the support shelf (2) and the round wire. (10) when said expandable device is pulled in the direction of opening. -5

Claims (4)

REVENDICATIONS 1) Dispositif permettant d'augmenter à volonté la surface porteuse des tablettes support équipant en particulier les échelles et les esca5 beaux pour maintenir à portée de main de l'utilisateur les outils et autres matériels nécessaires à l'exécution d'une tâche à hauteur, caractérisé en ce que le dispositif extensible (3) de la tablette support est réglable en dimensions au moyen de deux branches (9) (9') du fil rond (10), reliées à leur extrémité extérieure située à l'avant de la tablette support (2) par 10 un plat (6) et coudées à cette même extrémité en forme de V renversé (7), coulissant dans deux formes complémentaires (4) (4') prévues à chacune des extrémités de la pièce (8) solidaire de la face inférieure de  1) Device making it possible to increase the load-bearing surface of the support shelves at will equipping in particular the ladders and esca5 beautiful to keep within reach of the user the tools and other materials necessary for the execution of a task at height , characterized in that the extendable device (3) of the support shelf is adjustable in size by means of two branches (9) (9 ') of the round wire (10), connected at their outer end situated at the front of the support shelf (2) by 10 a flat (6) and angled at this same end in the shape of an inverted V (7), sliding in two complementary shapes (4) (4 ') provided at each end of the part (8) secured to the underside of la tablette support (2).the support shelf (2). 2) Dispositif permettant d'augmenter à volonté la surface porteuse 15 des tablettes support équipant en particulier les échelles et les escabeaux, suivant revendication 1, caractérisé en ce que les deux branches (9) (9') du fil rond (10) coudé sont légèrement évasées et que les deux formes complémentaire (4) (4') dans lesquelles coulissent lesdites branches sont également légèrement obliques de façon à obtenir, grâce à 20 I'élasticité du fil rond (10) un auto freinage évitant les déplacements intempestifs du dispositif extensible (3).  2) Device for increasing at will the carrying surface 15 of the support shelves fitted in particular to the ladders and stepladders, according to claim 1, characterized in that the two branches (9) (9 ') of the bent round wire (10) are slightly flared and that the two complementary shapes (4) (4 ') in which the said branches slide are also slightly oblique so as to obtain, thanks to the elasticity of the round wire (10), self-braking preventing inadvertent movements of the expandable device (3). 3) Dispositif permettant d'augmenter à volonté la surface porteuse  3) Device for increasing the load-bearing surface at will des tablettes support équipant en particulier les échelles et les escabeaux, suivant revendication 1, caractérisé en ce que la partie extérieure 25 du fil rond (10) située à l'avant de la tablette support (2) est avantageusement coudée vers le haut en forme de V renversé de façon à tenir lieu à la fois de butée aux éléments déposés sur la tablette support et de poignée de préhension pour actionner le coulissement des deux branches (9) (9') du dispositif extensible (3).  support shelves fitted in particular to ladders and stepladders, according to claim 1, characterized in that the external part 25 of the round wire (10) situated at the front of the support shelf (2) is advantageously bent upwards in shape of inverted V so as to act both as a stop for the elements deposited on the support shelf and as a grip handle for actuating the sliding of the two branches (9) (9 ') of the extendable device (3). -6  -6 4) Dispositif permettant d'augmenter à volonté la surface porteuse des tablettes support équipant en particulier les échelles et les escabeaux, suivant revendication 1, caractérisé en ce que le plat (6) reliant les deux branches (9) (9') du fil rond (10) est réalisé en forme de U ren5 versé de façon à compenser la différence de niveau entre la surface supérieure de la tablette support (2) et le fil rond (10) coudé dont les deux branches (9) (9') coulissent sous la face inférieure de ladite tablette support.4) Device for increasing at will the carrying surface of the support shelves equipping in particular the ladders and stepladders, according to claim 1, characterized in that the plate (6) connecting the two branches (9) (9 ') of the wire round (10) is made in the form of a U ren5 poured so as to compensate for the difference in level between the upper surface of the support shelf (2) and the round bent wire (10) including the two arms (9) (9 ') slide under the underside of said support shelf. ) Dispositif permettant d'augmenter à volonté la surface porteuse 10 des tablettes support équipant en particulier les échelles et les escabeaux, suivant revendications 1, 2 et 3, caractérisé en ce que le plat (6) vient en butée sur le bord avant de la tablette support (2) lorsque le dispositif extensible (3) est totalement repoussé et en ce que les deux extrémités des deux branches (9) (9') situées sous ladite tablette support, 15 comportent des butées (5) (5') venant coopérer avec les formes complémentaires (4) (4') de façon à éviter toute sortie intempestive du dispositif extensible (3).  ) Device for increasing at will the carrying surface 10 of the support shelves equipping in particular the ladders and stepladders, according to claims 1, 2 and 3, characterized in that the plate (6) abuts on the front edge of the support shelf (2) when the extendable device (3) is fully pushed back and in that the two ends of the two branches (9) (9 ') situated under said support shelf, include stops (5) (5') coming from cooperate with the complementary forms (4) (4 ') so as to avoid any untimely exit from the extendable device (3).
FR0210813A 2002-08-30 2002-08-30 SUPPORT TABLE WITH A VARIABLE CARRIER SURFACE EQUIPPED IN PARTICULAR LADDERS AND STAIRS Expired - Lifetime FR2843995B1 (en)

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FR0210813A FR2843995B1 (en) 2002-08-30 2002-08-30 SUPPORT TABLE WITH A VARIABLE CARRIER SURFACE EQUIPPED IN PARTICULAR LADDERS AND STAIRS

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1346451A (en) * 1970-03-10 1974-02-13 Loh Kg Hailo Werk Ladders
FR2445430A1 (en) 1978-05-30 1980-07-25 Inventec Licensing Bv Multipurpose folding kitchen stool - has ladder steps and pivotable rail with vice on seat board beneath pivotable cover and tool tray
US4331217A (en) * 1980-04-16 1982-05-25 R.L.S. Enterprises, Inc. Ladder step and stabilizer
EP0173385A2 (en) 1984-08-28 1986-03-05 Industrie- en Handelsonderneming BIJSTEDE B.V. Store accessory for a step-ladder
FR2603651A1 (en) 1986-09-10 1988-03-11 Lacroix Pierre Device making it possible to fit a tool-carrying tray onto folding step-ladders for ordinary use
FR2611376A2 (en) 1986-09-10 1988-09-02 Lacroix Pierre Device for fitting a tool-carrying tray onto ordinary folding stepladders
US4889352A (en) * 1988-09-06 1989-12-26 Chamberlin Jr Louis D Folding mechanic's creeper
EP0378375A1 (en) 1989-01-11 1990-07-18 Bailey Aluminium Products Pty Ltd. Ladder platform
EP0578877A1 (en) 1991-01-09 1994-01-19 Derek John Kay An attachment for a hinged ladder
EP0689943A1 (en) * 1994-06-29 1996-01-03 Macc Folding extendible wallpapering table

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1346451A (en) * 1970-03-10 1974-02-13 Loh Kg Hailo Werk Ladders
FR2445430A1 (en) 1978-05-30 1980-07-25 Inventec Licensing Bv Multipurpose folding kitchen stool - has ladder steps and pivotable rail with vice on seat board beneath pivotable cover and tool tray
US4331217A (en) * 1980-04-16 1982-05-25 R.L.S. Enterprises, Inc. Ladder step and stabilizer
EP0173385A2 (en) 1984-08-28 1986-03-05 Industrie- en Handelsonderneming BIJSTEDE B.V. Store accessory for a step-ladder
FR2603651A1 (en) 1986-09-10 1988-03-11 Lacroix Pierre Device making it possible to fit a tool-carrying tray onto folding step-ladders for ordinary use
FR2611376A2 (en) 1986-09-10 1988-09-02 Lacroix Pierre Device for fitting a tool-carrying tray onto ordinary folding stepladders
US4889352A (en) * 1988-09-06 1989-12-26 Chamberlin Jr Louis D Folding mechanic's creeper
EP0378375A1 (en) 1989-01-11 1990-07-18 Bailey Aluminium Products Pty Ltd. Ladder platform
EP0578877A1 (en) 1991-01-09 1994-01-19 Derek John Kay An attachment for a hinged ladder
EP0689943A1 (en) * 1994-06-29 1996-01-03 Macc Folding extendible wallpapering table

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