FR2799410A1 - A clearance element for clearing the path in front of wheel is fitted on a wheel support so that it closes the angle between the tire tread and the ground - Google Patents

A clearance element for clearing the path in front of wheel is fitted on a wheel support so that it closes the angle between the tire tread and the ground Download PDF

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Publication number
FR2799410A1
FR2799410A1 FR9912785A FR9912785A FR2799410A1 FR 2799410 A1 FR2799410 A1 FR 2799410A1 FR 9912785 A FR9912785 A FR 9912785A FR 9912785 A FR9912785 A FR 9912785A FR 2799410 A1 FR2799410 A1 FR 2799410A1
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France
Prior art keywords
wheel
ground
clearance
tread
fitted
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Granted
Application number
FR9912785A
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French (fr)
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FR2799410B1 (en
Inventor
Marc Henri Accadia
Olivier Francois Marie Vinot
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Individual
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Individual
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Priority to FR9912785A priority Critical patent/FR2799410B1/en
Publication of FR2799410A1 publication Critical patent/FR2799410A1/en
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Publication of FR2799410B1 publication Critical patent/FR2799410B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0036—Castors in general; Anti-clogging castors characterised by type of wheels
    • B60B33/0039—Single wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0036—Castors in general; Anti-clogging castors characterised by type of wheels
    • B60B33/0042—Double or twin wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0047—Castors in general; Anti-clogging castors characterised by details of the rolling axle
    • B60B33/0049—Castors in general; Anti-clogging castors characterised by details of the rolling axle the rolling axle being horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0047—Castors in general; Anti-clogging castors characterised by details of the rolling axle
    • B60B33/0057—Castors in general; Anti-clogging castors characterised by details of the rolling axle the rolling axle being offset from swivel axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/006—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism
    • B60B33/0065—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis
    • B60B33/0068—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis the swivel axis being vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/006—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism
    • B60B33/0065—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis
    • B60B33/0073—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis the swivel axis being symmetrical to wheel or wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
    • B60B7/06—Fastening arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
    • B60B7/06—Fastening arrangements therefor
    • B60B7/061—Fastening arrangements therefor characterised by the part of the wheels to which the discs, rings or the like are mounted

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)

Abstract

A clearance element (3) is fitted on a wheel support (2) so that it closes the angle between the tire tread of the wheel (1) and the ground (4). The clearance element can slide on an irregular ground. Clearance elements may be mounted in couple linked by a rod (5) in rotation around the wheel axis (6).

Description

La présente invention concerne un dispositif permettant de repousser devant les roulettes d'un élèment roulant les obstacles épars susceptibles d'en gêner la mobilisation. Sont concernés les obstacles de petite taille (gravier, pièce métallique, etc...) ainsi que les cables électriques ou tuyaux d'alimentation qui encombrent le sol de certains locaux (ateliers, blocs opératoires, etc <B>... ).</B> Dans ces conditions, le déplacement d'un élèment roulant, même sur une courte distance, est souvent 'gêné par de tels obstacles qui s'écrasent sous les roulettes et bloquent leur mouvement. The present invention relates to a device for repelling in front of the wheels of a rolling element the scattered obstacles that may hinder the mobilization. Are concerned small obstacles (gravel, metal part, etc ...) as well as electrical cables or supply pipes that clutter the floor of some premises (workshops, operating theaters, etc. <B> ...). In these conditions, the movement of a rolling element, even for a short distance, is often hampered by such obstacles which crash under the wheels and block their movement.

Le dispositif selon l'invention empêche ce problème en disposant selon une première caractéristique, une surface d'u n matériau suffisamment rigide (ex: métallique ou plastique) devant l'angle aigu délimité par le plan du sol et la bande de roulement sur les deux faces de la roulette. Cette surface, dite "de dégagement", est rapportée devant la bande de roulement de telle façon que son bord inférieur soit suffisamment proche du sol pour repousser les obstacles concernés (soit,<B>à</B> titre d'exemple, de l'ordre de quelques millimètres pour les cables électriques). Dans un mode de réalisation où la surface "de dégagement" serait en contact avec le sol, il est prévu de profiler son bord inférieur par une surface convexe en bas pour faciliter son glissement sur un soi légèrement irrégulier (ex: carrelage, ciment). Selon differentes formes de réalisation, ce dispositif pourra: -équiper spécifiquement un type particulier de roulette par une modification adhoc de la monture (exemples non limitatifs sur<B>f</B> ig <B>1</B> et 2); dans ces modes de réalisation spécifiquement fixés sur la monture, le caractère d'amovibilité reste d'un intérêt particulier pour permettre les transferts sur des sois très irréguliers ou les opérations de nettoyage approfondi. The device according to the invention prevents this problem by arranging according to a first characteristic, a surface of a sufficiently rigid material (eg metal or plastic) in front of the acute angle delimited by the plane of the ground and the tread on the two sides of the wheel. This so-called "clearance" surface is attached in front of the tread so that its lower edge is sufficiently close to the ground to repel the obstacles concerned (ie, <B> to </ B> as an example). the order of a few millimeters for the electric cables). In an embodiment where the "clearance" surface would be in contact with the ground, it is intended to profile its lower edge by a convex surface down to facilitate its sliding on a slightly uneven self (eg tile, cement). According to different embodiments, this device can: -compare specifically a particular type of roulette by an adhoc modification of the mount (non-limiting examples on <B> f </ B> ig <B> 1 </ B> and 2) ; in these embodiments specifically attached to the frame, the removability character remains of particular interest to allow transfers on very irregular or thorough cleaning operations.

-s'adapter de façon non spécifique<B>à</B> différents modèles de roulettes préconçues. Dans ces mode de réalisation non spécifiquement fixés sur la monture, il est prévu de solidariser par des structures latérales les dispositifs équipant les deux faces d'une roulette. L'ensemble forme un quadrilatère (fig <B>3)</B> qui repose sur le sol par les surfaces de glissement et encadre la roulette avec un ajustement tel qu'il en suit précisemment les mouvements de rotation liés aux changements de direction. Pour transmettre<B>à</B> cet ensemble la force de poussée horizontale de la roulette, plusieurs modalités sont envisagées: -donner aux structures latérales une découpe fenêtrée ou ouverte en haut permettant<B>d'y</B> loger des éléments saillants sur les faces latérales de la roulette (ex: la tête du boulon et l'écrou de l'axe de la roulette) -équiper l'ensemble quadrilatère de surfaces dites "de transfert" tangentielles aux versants inférieurs de la bande de roulement de telle manière qu'elles récupèrent son mouvement horizontal par poussée directe. Afin de prévenir une éventuelle bascule verticale de l'ensemble, l'écartement minimal entre les deux structures symétriquement disposées devant la bande de roulement doit être inférieur au diamètre de la roulette ainsi équipée. Ces points d'écartement minimal peuvent être matérialisés par les bords inférieurs des surfaces "de transfert". - to adapt unspecifically <B> to </ B> different models of preconceived wheels. In these embodiments not specifically fixed to the frame, it is intended to secure by lateral structures devices fitted to both sides of a wheel. The whole forms a quadrilateral (fig <B> 3) </ B> which rests on the ground by the sliding surfaces and frames the wheel with an adjustment such that it precisely follows the rotational movements related to the changes of direction . To transmit <B> to </ B> this set the horizontal thrust force of the wheel, several modalities are envisaged: -to give to the lateral structures a windowed or open cut at the top allowing <B> of y </ B> to lodge protruding elements on the lateral faces of the wheel (ex: the head of the bolt and the nut of the axis of the wheel) -equipping the quadrilateral assembly of so-called "transfer" surfaces tangential to the lower slopes of the strip of in such a way that they recover its horizontal movement by direct pushing. In order to prevent any vertical flip-flop of the assembly, the minimum spacing between the two symmetrically arranged structures in front of the tread must be less than the diameter of the wheel thus equipped. These minimum spacing points may be materialized by the lower edges of the "transfer" surfaces.

Les dessins annexés illustrent l'invention: les figures<B>1</B> et 2 (a: vue latérale;<B>b:</B> vue supérieure) représentent deux exemples non limitatifs d'adaptation du dispositif<B>à</B> une roulette<B>(1)</B> par conception spécifique d'une monture (2) chevauchante (fig <B>1)</B> ou centrale (fig 2); la figure<B>3</B> (a: vue latérale;<B>b:</B> vue supérieure) représente un exemple de montage en quadrilatère visant<B>à</B> adapter le dispositif<B>à</B> une roulette sans modification spécifique de la monture. The accompanying drawings illustrate the invention: Figures <B> 1 </ B> and 2 (a: side view, <B> b: </ B> top view) represent two nonlimiting examples of adaptation of the device <B > to </ B> a wheel <B> (1) </ B> by specific design of a mount (2) overlapping (fig <B> 1) </ B> or central (fig 2); Figure <B> 3 </ B> (a: side view, <B> b: </ B> top view) represents an example of a quadrilateral mount aimed at <B> to </ B> adapting the <B> device to a roulette wheel without specific modification of the mount.

En référence<B>à</B> ces figures, le dispositif comporte une surface "de dégagement"<B>(3)</B> fermant l'angle ouvert entre le plan du soi et la bande de roulement, et éventuellement profilée sur son bord inférieur en une surface "de glissement" (4) facilitant le déplacement sur un soi imparfaitement plan. Dans le mode adaptable sans modification spécifique de la monture<B>(f</B> i<B>g 3),</B> un quadrilatère est formé en reliant deux dispositifs par des structures latérales<B>(5)</B> qui peuvent présenter une échancrure destinée<B>à</B> loger les extrémités de l'axe<B>(6)</B> de la roulette. En l'absence d'appui possible sur un relief de la monture, une surface "de transfert"<B>(7)</B> tangentielle<B>à</B> la bande de roulement récupère la force de poussée de la roulette. Le transfert des mouvements de rotation est garanti par un ajustement précis des structures latérales sur les bords de la bande de roulement<B>(8).</B> With reference to these figures, the device comprises a "clearance" surface (B) (3) closing the open angle between the plane of the self and the tread, and optionally profiled on its lower edge in a "sliding" surface (4) facilitating movement on an imperfectly plane self. In the adaptable mode without specific modification of the mount <B> (f </ B> i <B> g 3), </ B> a quadrilateral is formed by connecting two devices by lateral structures <B> (5) < / B> which may have a notch intended to <B> to </ B> accommodate the ends of the axis <B> (6) </ B> of the wheel. In the absence of possible support on a relief of the mount, a "transfer" surface <B> (7) </ B> tangential <B> to </ B> the tread recovers the thrust force of roulette. The transfer of rotational movements is guaranteed by a precise adjustment of the lateral structures on the edges of the tread <B> (8). </ B>

Les figures<B>1</B> et<B>3</B> présentent<B>à</B> l'échelle<B>1/1</B> un mode de réalisation particulier associant les<B>3</B> surfaces ("de dégagement", "de glissement" et "de transfertu) dans une structure monobloc adaptable sur des roulettes de diamètre<B>60 à 160</B> mm.Figures <B> 1 </ B> and <B> 3 </ B> show <B> to </ B> the scale <B> 1/1 </ B> a particular embodiment associating the <B > 3 </ B> surfaces ("clearance", "sliding" and "transfer") in a one-piece structure adaptable on rollers of diameter <B> 60 to 160 </ B> mm.

Claims (1)

<B>REVENDICATIONS</B> <B>1)</B> Dispositif permettant de repousser devant des roulettes certains obstacles épars sur le sol susceptibles de gêner les déplacements sur de courtes distances des élèments roulants; caractérisé en ce qu'il présente devant la roulette une surface "de dégagement" fermant l'angle formé entre la bande de roulement et le <B>sol.</B> 2) Dispositif selon la revendication<B>1</B> caractérisé en ce que le bord inférieur de la surface "de dégagement" est profilé de façon<B>à</B> favoriser son glissement sur un sol légèrement irrégulier. <B>3)</B> Dispositif selon la revendication<B>1</B> caractérisé en ce qu'il s'adapte et se désadapte facilement d'une monture spécialement conçue<B>à</B> cette effet. 4) Dispositif selon la revendication<B>1</B> caractérisé en ce que, pour être adapté<B>à</B> différents modèles de roulettes non spécialement conçues<B>à</B> cet effet, des structures latérales solidarisent les deux dispostifs destinés<B>à</B> chacune des face d'une roulette <B>5)</B> Dispositif selon la revendications 4 caractérisé en ce que les structures latérales présentent une découpe leur permettant de prendre appui sur des structures saillantes de la monture. <B>6)</B> Dispositif selon la revendications 4 caractérisé en ce qu'il présente des surfaces disposées tangentiellement<B>à</B> la bande de roulement et destinées<B>à</B> en récupérer la force de poussée horizontale en l'absence d'appui possible sur la monture.<B> CLAIMS </ B> <B> 1) </ B> Device allowing to push in front of wheels some scattered obstacles on the ground likely to hinder the short-distance movements of the rolling elements; characterized in that it has in front of the wheel a "clearance" surface closing the angle formed between the tread and the <B> ground. </ B> 2) Device according to claim <B> 1 </ B > characterized in that the lower edge of the "clearance" surface is profiled so as to promote its sliding over a slightly uneven ground. <B> 3) </ B> Device according to claim <B> 1 </ B> characterized in that it adapts and disadapted easily from a specially designed mount <B> to </ B> this effect . 4) Device according to claim <B> 1 </ B> characterized in that, to be adapted <B> to </ B> different models of wheels not specially designed <B> to </ B> this effect, structures lateral attach the two devices intended <B> to </ B> each of the face of a wheel <B> 5) </ B> Device according to claim 4 characterized in that the side structures have a cut allowing them to take support on protruding structures of the mount. <B> 6) </ B> Device according to claim 4 characterized in that it has surfaces arranged tangentially <B> to </ B> the tread and intended <B> to </ B> to recover the horizontal pushing force in the absence of possible support on the frame.
FR9912785A 1999-10-08 1999-10-08 DEVICE ADAPTABLE ON CASTERS TO PUSH IN FRONT OF THE TREAD THE SPREAD OBSTACLES LIKELY TO BLOCK THE MOVEMENT Expired - Fee Related FR2799410B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9912785A FR2799410B1 (en) 1999-10-08 1999-10-08 DEVICE ADAPTABLE ON CASTERS TO PUSH IN FRONT OF THE TREAD THE SPREAD OBSTACLES LIKELY TO BLOCK THE MOVEMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9912785A FR2799410B1 (en) 1999-10-08 1999-10-08 DEVICE ADAPTABLE ON CASTERS TO PUSH IN FRONT OF THE TREAD THE SPREAD OBSTACLES LIKELY TO BLOCK THE MOVEMENT

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FR2799410A1 true FR2799410A1 (en) 2001-04-13
FR2799410B1 FR2799410B1 (en) 2002-08-02

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8684145B2 (en) 2010-04-07 2014-04-01 Alcon Research, Ltd. Systems and methods for console braking
US8910344B2 (en) 2010-04-07 2014-12-16 Alcon Research, Ltd. Systems and methods for caster obstacle management
US9089367B2 (en) 2010-04-08 2015-07-28 Alcon Research, Ltd. Patient eye level touch control
FR3050687A1 (en) * 2016-05-02 2017-11-03 Supratec DEVICE FOR HANDLING WORKPIECES ON AT LEAST ONE ROLLER FOR RESTRAINING ON THE GROUND
WO2018128602A1 (en) * 2017-01-04 2018-07-12 Dubas Bryan D Wheel guard

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450062A (en) * 1946-06-17 1948-09-28 Voss Grace Caster guard
CH633996A5 (en) * 1979-10-01 1983-01-14 Michel Camille Gross Supplementary device for movement members
EP0557624A1 (en) * 1992-02-19 1993-09-01 John Joe Navar Obstacle clearing device for wheels
US5371920A (en) * 1993-01-21 1994-12-13 Rainville; Donald Safety system of roll guards
US5873144A (en) * 1997-04-18 1999-02-23 Innovative Research Labs, Inc. Protective roll guard for clearing obstacles from caster wheels

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450062A (en) * 1946-06-17 1948-09-28 Voss Grace Caster guard
CH633996A5 (en) * 1979-10-01 1983-01-14 Michel Camille Gross Supplementary device for movement members
EP0557624A1 (en) * 1992-02-19 1993-09-01 John Joe Navar Obstacle clearing device for wheels
US5371920A (en) * 1993-01-21 1994-12-13 Rainville; Donald Safety system of roll guards
US5873144A (en) * 1997-04-18 1999-02-23 Innovative Research Labs, Inc. Protective roll guard for clearing obstacles from caster wheels

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8684145B2 (en) 2010-04-07 2014-04-01 Alcon Research, Ltd. Systems and methods for console braking
US8910344B2 (en) 2010-04-07 2014-12-16 Alcon Research, Ltd. Systems and methods for caster obstacle management
US9089367B2 (en) 2010-04-08 2015-07-28 Alcon Research, Ltd. Patient eye level touch control
FR3050687A1 (en) * 2016-05-02 2017-11-03 Supratec DEVICE FOR HANDLING WORKPIECES ON AT LEAST ONE ROLLER FOR RESTRAINING ON THE GROUND
WO2017191116A1 (en) * 2016-05-02 2017-11-09 Supratec Device for handling parts mounted on at least one caster intended to rest on the ground.
WO2018128602A1 (en) * 2017-01-04 2018-07-12 Dubas Bryan D Wheel guard

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