FR2898474A1 - Trestle/bench legs folding and unfolding device, has central pivot for folding and unfolding legs of trestle or bench, and hinge with wings screwed on legs for ensuring lateral opening of legs - Google Patents

Trestle/bench legs folding and unfolding device, has central pivot for folding and unfolding legs of trestle or bench, and hinge with wings screwed on legs for ensuring lateral opening of legs Download PDF

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Publication number
FR2898474A1
FR2898474A1 FR0602402A FR0602402A FR2898474A1 FR 2898474 A1 FR2898474 A1 FR 2898474A1 FR 0602402 A FR0602402 A FR 0602402A FR 0602402 A FR0602402 A FR 0602402A FR 2898474 A1 FR2898474 A1 FR 2898474A1
Authority
FR
France
Prior art keywords
legs
opening
hinge
wings
trestle
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
FR0602402A
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French (fr)
Inventor
Pierre Rondreux
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.)
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 FR0602402A priority Critical patent/FR2898474A1/en
Priority to FR0653640A priority patent/FR2898534B1/en
Priority to PCT/FR2007/050956 priority patent/WO2007107669A2/en
Priority to AT07731771T priority patent/ATE477088T1/en
Priority to US12/293,750 priority patent/US20100163342A1/en
Priority to DE602007008391T priority patent/DE602007008391D1/en
Priority to EP07731771A priority patent/EP2007558B1/en
Publication of FR2898474A1 publication Critical patent/FR2898474A1/en
Pending 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
    • B25H1/00Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/06Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of trestle type

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

The device has a central pivot (1) for folding and unfolding legs of a trestle or bench, where the legs are folded below a bearing crossbeam. A hinge comprises wings (2, 2`) which are pivotable through rotation. The wings are screwed on the legs for ensuring lateral opening of the legs with an angle between 20 degrees to 30 degrees. A support (3) permits the positioning of the legs and blocks the opening of the legs.

Description

La présente invention concerne un dispositif d'articulation de charnièreThe present invention relates to a hinge articulation device

métal ou plastique par rotations opposées et perpendiculaires, afin d'avoir le pliage total et facile des pattes d'un tréteau ou chevalet traditionnels simples ou à compas, sous la traverse d'appui. Jusqu' alors les tréteaux et chevalets en bois, montés, assemblés et collés ) les plus traditionnels sont d'un volume d'encombrement important; et pour les tréteaux à compas, le volume est plus réduit en raison du rapprochement des deux cotés; mais toujours difficiles à stocker et transporter dans les deux cas. Le dispositif principal de l'invention réside dans les articulations ou rotations des pattes par charnières spéciales,dont le principe reste le même pour les 4 niveaux d'utilisations actuelles : professionnelle, bricolage, ménage, et divers.  metal or plastic by opposing and perpendicular rotations, in order to have the total and easy folding of the legs of a trestle or traditional easel or compass, under the support beam. Until then trestles and wooden easels, mounted, assembled and glued) the most traditional are of a large volume of space; and for the trestles with compass, the volume is smaller because of the bringing together of the two sides; but still difficult to store and transport in both cases. The main device of the invention lies in the joints or rotations of the legs by special hinges, the principle remains the same for the four levels of current use: professional, DIY, household, and various.

Principe d'articulation : charnière à 3 ailes dont 2 s'articulent en opposition, la 3ème perpendiculairement aux 2 autres.  Principle of articulation: hinge with 3 wings of which 2 are articulated in opposition, the third perpendicular to the other 2.

Tréteaux professionnels : charnière à 3 ailes; dont l'aile centrale pivote par rotation, permettant aux 2 paires de pattes de se déplier ou de se replier; les 2 ailes latérales de la charnière servant à l'ouverture des pieds pour assurer la stabilité; le prolongement de l'aile centrale sert au positionnement, et limite l'ouverture des pattes. Figure 1 Tréteaux de bricolage : (plus standard) charnière à 2 ailes, fonctionnant sur le même principe (de 3 axes de rotation) mais simplifié; dont la rotation principale sert à déplier et replier les pattes; l'une des ailes de la charnière, reçoit 2 appendices articulés pour la fixation des pattes (soit à riveter ou à visser lors de l'assemblage du tréteau) leur permettant de s'ouvrir latéralement. Figure 2 Tréteaux de ménage : (plus simple) charnière à 2 ailes, fonctionnant sur le même principe que B mais très allégée, charnière pour rotation des pattes; dont l'aile la plus longue à 2 perçages et 2 usinages oblongs, servant de fixations mobiles aux pattes, pour quelles puissent s'ouvrir latéralement, et en même temps limiter l'ouverture. Figure 3 Tréteaux divers : (le plus simple,à utilisation occasionnelle) charnière à 2 ailes, fonctionnant sur le même principe que B et C ; charnière pour rotation des pattes, à ailes égales, à 2 perçages sur une aile servant de fixations mobiles aux pattes, pour l'ouverture latérale, cette aile à une butée ou ergot sur l'envers,afin de limiter l'ouverture, (voire aussi butée rapportée sur la traverse d'appui) Figure 4. Les charnières se positionnent à quelques centimètres de chaque extrémités de la traverse d'appui, dont l'axe central de la charnière concernée, sert à déplier l'ensemble des 2 pattes, et les 2 ailes perpendiculaires pour l'ouverture latérale des pattes (dont l'ouverture est limitée par un compas au bas des pattes) les dimensions des charnières peuvent varier suivant les dimensions des tréteaux, de la solidité requise ou de la section des bois utilisés.  Professional trestles: 3-wing hinge; whose central wing pivots by rotation, allowing the 2 pairs of legs to unfold or fold up; the 2 lateral wings of the hinge used to open the feet to ensure stability; the extension of the central wing serves for positioning, and limits the opening of the legs. Figure 1 DIY trestle: (more standard) hinge with 2 wings, working on the same principle (of 3 axes of rotation) but simplified; whose main rotation serves to unfold and fold the legs; one of the wings of the hinge, receives 2 articulated appendages for fixing the legs (to rivet or screw when assembling the trestle) allowing them to open laterally. Figure 2 Trestles household: (simpler) hinge with 2 wings, operating on the same principle as B but very light, hinge for rotation of the legs; including the longest wing with 2 holes and 2 oblong machining, serving as mobile fasteners to the legs, for which can open laterally, and at the same time limit the opening. Figure 3 Various trestles: (the simplest, occasional use) 2-wing hinge, working on the same principle as B and C; hinge for rotation of the legs, with equal wings, with 2 holes on a wing serving as mobile fasteners for the legs, for the lateral opening, this wing with a stop or lug on the back, in order to limit the opening, (even also stop reported on the support beam) Figure 4. The hinges are positioned a few centimeters from each end of the support beam, the central axis of the hinge concerned, serves to unfold all the two legs, and the 2 perpendicular wings for the lateral opening of the legs (whose opening is limited by a compass at the bottom of the legs) the dimensions of the hinges can vary according to the dimensions of the trestles, the required strength or the section of the used woods .

Le volume d'encombrement plié est 8 à 12 fois moins important suivant les modèles comparés, q'un tréteaux traditionnel ou cornpas/ ramenant ainsi un tréteaux standard de 750 x 750 x 300 (le plus courant) à un parallélépipède rectangle de 750 x 100 x 100. La solidité et le poids sont comparables aux tréteaux courants servant aux mêmes emplois, tenant compte des composants, c'est à dire de l'essence du bois, et de la nature de la quincaillerie métal ou plastique. Ce dispositif est particulièrement destiné à toutes les formes et dimensions de tréteaux et chevalet bois il peut être en métal, plastique ou autres matières.(brutes ou traitées)  The volume of folded space is 8 to 12 times less important according to the models compared, than a trestle traditional or cornpas / thus reducing a standard trestles of 750 x 750 x 300 (the most current) to a parallelepiped rectangle of 750 x 100 x 100. Strength and weight are comparable to common trestles used for the same jobs, taking into account components, ie wood species, and the nature of metal or plastic hardware. This device is particularly intended for all shapes and sizes of trestles and easel wood it can be metal, plastic or other materials. (Raw or processed)

Claims (1)

Revendicationsclaims 1. Dispositif et principe permettant de plier les pattes d'un tréteau ou chevalet traditionnel ou à compas, avec un système d'articulation, d'ouverture et fermeture des pattes sous la traverse d'appui, assuré par une charnière spéciale qui se décline en 4 possibilités de résistances mécaniques, à choisir suivant le marché, suivant l'emploi auquel le tréteau est destiné, mais toujours avec le même principe de 3 axes de rotation, dont 2 sont opposés perpendiculairement à l'axe principal. Dispositif A (charnière 3 axes) Figure 1 -1 pièce servant de pivot central pour déplier et replier la paire de pattes sous la traverse d'appui. - 2 ailes de la charnière à visser sur les pattes pour l'ouverture latérale de celles-ci. - 3 appui de positionnement des pattes et limitateur d'ouverture des pattes. f 0 Dispositif B (charnière plus simple à 2 ailes) Figure 2 -1 axe d'ouverture des pattes à plier et a déplier. - 2 appendices de fixation des pattes par rivets ou vissage direct pour l'ouverture latérale des pattes.(que l'ont voit ouvertes et fermées sur le plan) Dispositif C (charnière simplifiée à 2 ailes) Figure 3 15 -1 axe d'ouverture des pattes à plier ou à déplier. - 2 aile plus longue avec 2 trous pour rotation, et 2 trous oblongs pour la fixation des pattes (par vissage semi mobile) pour l'ouverture latérale des pattes, et en même temps limitant l'écartement. Dispositif D (charnière à 2 ailes simples) Figure 4 -1 axe d'ouverture des pattes à plier ou à déplier. 20 - 2 ailes égales, dont l'une avec 2 trous pour rotation latérale, nécessaire à l'ouverture ou écartement des pattes, cette dernière a une buté centrale ou ergot, sur la face de vissage servant à limiter l'ouverture. 25 Nota : dans les 4 figures apparaissent les trous de fixation perçage fraisé Op et les trous pour fixation semi mobile perçage simple 0  1. Device and principle for folding the legs of a trestle or traditional bridge or compass, with a system of articulation, opening and closing of the legs under the support beam, provided by a special hinge which is declined in 4 possibilities of mechanical resistances, to choose according to the market, according to the use to which the trestel is intended, but always with the same principle of 3 axes of rotation, of which 2 are opposed perpendicular to the main axis. Device A (3-axis hinge) Figure 1 -1 piece serves as a central pivot to unfold and fold the pair of legs under the support beam. - 2 wings of the hinge to screw on the legs for the lateral opening thereof. - 3 positioning support of the tabs and limiter opening of the tabs. f 0 Device B (simpler hinge with 2 wings) Figure 2 -1 axis of opening of the legs to fold and unfold. - 2 attachments fixing the legs by rivets or direct screwing for the lateral opening of the legs (that have seen open and closed on the plane) Device C (simplified hinge with 2 wings) Figure 3 15 -1 axis of opening of the legs to fold or unfold. - 2 longer wing with 2 holes for rotation, and 2 oblong holes for fixing the legs (by semi-mobile screwing) for the lateral opening of the legs, and at the same time limiting the spacing. Device D (hinge with 2 simple wings) Figure 4 -1 axis of opening of the legs to fold or unfold. 20 - 2 equal wings, one with 2 holes for lateral rotation, necessary for the opening or spacing of the legs, the latter has a central stop or lug, on the screwing face used to limit the opening. 25 Note: The 4 figures show the holes for drilling the milled hole Op and the holes for semi-mobile fixing, simple drilling 0
FR0602402A 2006-03-20 2006-03-20 Trestle/bench legs folding and unfolding device, has central pivot for folding and unfolding legs of trestle or bench, and hinge with wings screwed on legs for ensuring lateral opening of legs Pending FR2898474A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR0602402A FR2898474A1 (en) 2006-03-20 2006-03-20 Trestle/bench legs folding and unfolding device, has central pivot for folding and unfolding legs of trestle or bench, and hinge with wings screwed on legs for ensuring lateral opening of legs
FR0653640A FR2898534B1 (en) 2006-03-20 2006-09-08 REPLIABLE TRETEAU
PCT/FR2007/050956 WO2007107669A2 (en) 2006-03-20 2007-03-20 Foldable trestle
AT07731771T ATE477088T1 (en) 2006-03-20 2007-03-20 FOLDABLE FRAME
US12/293,750 US20100163342A1 (en) 2006-03-20 2007-03-20 Foldable trestle
DE602007008391T DE602007008391D1 (en) 2006-03-20 2007-03-20 FOLDABLE FRAME
EP07731771A EP2007558B1 (en) 2006-03-20 2007-03-20 Foldable trestle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0602402A FR2898474A1 (en) 2006-03-20 2006-03-20 Trestle/bench legs folding and unfolding device, has central pivot for folding and unfolding legs of trestle or bench, and hinge with wings screwed on legs for ensuring lateral opening of legs

Publications (1)

Publication Number Publication Date
FR2898474A1 true FR2898474A1 (en) 2007-09-21

Family

ID=37619502

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0602402A Pending FR2898474A1 (en) 2006-03-20 2006-03-20 Trestle/bench legs folding and unfolding device, has central pivot for folding and unfolding legs of trestle or bench, and hinge with wings screwed on legs for ensuring lateral opening of legs

Country Status (2)

Country Link
DE (1) DE602007008391D1 (en)
FR (1) FR2898474A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD842015S1 (en) 2016-11-16 2019-03-05 Kreg Enterprises, Inc. Mobile and collapsible workbench
USD925065S1 (en) 2018-06-22 2021-07-13 Kreg Enterprises, Inc. Track horse
US11084163B2 (en) 2016-11-16 2021-08-10 Kreg Enterprises, Inc. Mobile project center system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD842015S1 (en) 2016-11-16 2019-03-05 Kreg Enterprises, Inc. Mobile and collapsible workbench
US11084163B2 (en) 2016-11-16 2021-08-10 Kreg Enterprises, Inc. Mobile project center system
USD925065S1 (en) 2018-06-22 2021-07-13 Kreg Enterprises, Inc. Track horse

Also Published As

Publication number Publication date
DE602007008391D1 (en) 2010-09-23

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