FR2548989A2 - Auxiliary manual drive apparatus for a trailer, particularly for a caravan - Google Patents

Auxiliary manual drive apparatus for a trailer, particularly for a caravan Download PDF

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Publication number
FR2548989A2
FR2548989A2 FR8309790A FR8309790A FR2548989A2 FR 2548989 A2 FR2548989 A2 FR 2548989A2 FR 8309790 A FR8309790 A FR 8309790A FR 8309790 A FR8309790 A FR 8309790A FR 2548989 A2 FR2548989 A2 FR 2548989A2
Authority
FR
France
Prior art keywords
axle
fixed
axis
trailer
pinion
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
FR8309790A
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French (fr)
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
Priority claimed from FR8219014A external-priority patent/FR2536025A1/en
Application filed by Individual filed Critical Individual
Priority to FR8309790A priority Critical patent/FR2548989A2/en
Priority to EP83402193A priority patent/EP0112735A1/en
Publication of FR2548989A2 publication Critical patent/FR2548989A2/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/58—Auxiliary devices
    • B60D1/66—Props
    • B60D1/665—Props comprising supporting wheels, e.g. dollies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
    • B60D1/246—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for actuating the hitch by powered means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/58—Auxiliary devices
    • B60D1/66—Props
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
    • B60S9/14—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring
    • B60S9/205—Power driven manoeuvring fittings, e.g. reciprocably driven steppers or rotatably driven cams
    • B60S9/21—Power driven manoeuvring fittings, e.g. reciprocably driven steppers or rotatably driven cams comprising a rotatably driven auxiliary wheel or endless track, e.g. driven by ground wheel
    • B60S9/215—Power driven manoeuvring fittings, e.g. reciprocably driven steppers or rotatably driven cams comprising a rotatably driven auxiliary wheel or endless track, e.g. driven by ground wheel driven by an auxiliary motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D53/00—Tractor-trailer combinations; Road trains
    • B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
    • B62D53/08—Fifth wheel traction couplings
    • B62D53/0857—Auxiliary semi-trailer handling or loading equipment, e.g. ramps, rigs, coupling supports
    • B62D53/0864—Dollies for fifth wheel coupling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D59/00—Trailers with driven ground wheels or the like
    • B62D59/04—Trailers with driven ground wheels or the like driven from propulsion unit on trailer

Abstract

The invention relates to an auxiliary drive apparatus for a trailer, equipped with an auxiliary jockey wheel. It relates to an apparatus in which the auxiliary jockey wheel 48 may be driven in rotation by a crank 70. In that way, the operator can move the trailer over any ground, by exerting limited force. Application to light-weight caravans.

Description

Le brevet principal décrit un appareil auxiliaire d'entratnement pour remorque, du type qui comprend un châssis mobile ayant deux roues montées sur un essieu et tourillonnant par rapport au châssis mobile autour d'un premier axe destiné à être sensiblement parallèle au sol, et un dispositif d'entratnement manuel des roues autour de l'essieu, ce dispositif ayant un organe mené monté directement sur l'essieu entre les deux roues, un châssis fixe comprenant un organe de fixation à une remorque1 un dispositif d'articulation du châssis mobile sur le châssis fixe autour d'un axe sensiblement perpendiculaire au premier axe et destiné à autre sensiblement perpendiculaire au sol, ce dispositif comprenant un tronçon de tube de section circulaire solidaire du châssis mobile et un tronçon de tube de section circulaire solidaire du châssis fixe, les tronçons de tube étant montés télescopiquement, un dispositif de réglage en translation des deux tronçons de tube, et un dispositif de blocage temporaire en rotation du châssis mobile par rapport au châssis fixe, le châssis mobile étant sensiblement vertical et disposé près de l'axe d'articulation. The main patent describes an auxiliary drive device for a trailer, of the type which comprises a movable chassis having two wheels mounted on an axle and journalled relative to the movable chassis around a first axis intended to be substantially parallel to the ground, and a manual drive device for the wheels around the axle, this device having a driven member mounted directly on the axle between the two wheels, a fixed frame comprising a member for fixing to a trailer1 a hinge device for the movable frame on the fixed frame around an axis substantially perpendicular to the first axis and intended for another substantially perpendicular to the ground, this device comprising a section of tube of circular section secured to the movable frame and a section of tube of circular section secured to the fixed frame, tube sections being mounted telescopically, a device for adjusting the translation of the two tube sections, and a time blocking device re in rotation of the movable frame relative to the fixed frame, the movable frame being substantially vertical and disposed near the axis of articulation.

L'expérience montre que cet appareil auxiliaire d'entratnement donne tout à fait satisfaction, notamment dans le-cas des caravanes moyennes et même lourdes. Cependant, on s'est rendu compte que, dans le cas des remorques légères, notamment des caravanes légères, des remorques pliantes et autres, la surface d'appui au sol obtenue avec deux roues était superflue et que l'appareil pouvait être simplifié par utilisation d'une seule roue. Experience has shown that this auxiliary drive device is entirely satisfactory, especially in the case of medium and even heavy caravans. However, it was realized that, in the case of light trailers, in particular light caravans, folding trailers and the like, the ground surface obtained with two wheels was superfluous and that the apparatus could be simplified by use of a single wheel.

Le présent certificat d'addition concerne donc un appareil auxiliaire d'entraînement pour remorque du type décrit dans le brevet principal mais ne comportant qu'une seule roue. This addition certificate therefore relates to an auxiliary drive device for a trailer of the type described in the main patent but comprising only one wheel.

Le dispositif d'entraînement est avantageusement de l'un des types décrits dans le brevet principal, par exemple d'un type comprenant un pignon fixé sur l'essieu et entraîné par une chaine passant sur un autre pignon monté sur le châssis mobile et fixé sur un axe parallèle à l'essieu et solidaire d'une manivelle. The drive device is advantageously of one of the types described in the main patent, for example of a type comprising a pinion fixed on the axle and driven by a chain passing over another pinion mounted on the movable frame and fixed on an axis parallel to the axle and secured to a crank.

Danb une variante, le dispositif d'entrainement comporte une roue crantée fixée à l'essieu et entraînée par une courroie crantée passant sur une roue crantée fixée sur un axe parallèle à l'essieu et solidaire d'une manivelle
Dans une autre variante, le pignon d'entrainement comporte un pignon d'engrenage solidaire de l'essieu, un second pignon d'engrenage fixé à un axe parallèle à l'essieu et solidaire d'une manivelle, et au moins un pignon intermédiaire d'engrenage placé entre les deux premiers pignons.Danb a variant, the drive device comprises a toothed wheel fixed to the axle and driven by a toothed belt passing over a toothed wheel fixed on an axis parallel to the axle and secured to a crank
In another variant, the drive pinion comprises a gear pinion secured to the axle, a second gear pinion fixed to an axis parallel to the axle and secured to a crank, and at least one intermediate pinion gear placed between the first two pinions.

Il est avantageux que le dispositif de réglage en translation comporte une vis qui tourillonne dans un tronçon de tube et un écrou fixé à un autre tronçon de tube, et une manivelle solidaire de la vis, l'un des tronçons de tube formant avantageusement 1 'organe de fixation du châssis fixe sur la remorque. It is advantageous for the translational adjustment device to include a screw which pivots in a section of tube and a nut fixed to another section of tube, and a crank secured to the screw, one of the sections of tube advantageously forming 1 ′. fixing member of the fixed chassis on the trailer.

Il est avantageux que le châssis mobile comporte un organe de direction. It is advantageous that the movable chassis comprises a steering member.

Il est en outre avantageux que l'axe d'articulation du châssis mobile sur le châssis fixe recoupe la surface d'appui au sol de la roue. It is also advantageous for the axis of articulation of the movable chassis to the fixed chassis to intersect the bearing surface on the ground of the wheel.

L'invention concerne aussi des remorques comportant un tel appareil auxiliaire d'entratnement.  The invention also relates to trailers comprising such an auxiliary drive device.

D'autres caractéristiques et avantages de l'invention ressortiront mieux de la description qui va suivre, faite en référence au dessin annexé sur lequel
la figure 1 est une perspective d'un appareil auxiliaire d'entraînement selon l'invention, monté sur une remorque ;
la figure 2 est une perspective partielle de l'au- tre c8té de l'appareil de la figure 1 ; et
la figure 3 est une coupe schématique d'une partie de l'appareil de la figure 1.Other characteristics and advantages of the invention will emerge more clearly from the description which follows, given with reference to the appended drawing in which
Figure 1 is a perspective of an auxiliary drive apparatus according to the invention, mounted on a trailer;
Figure 2 is a partial perspective view of the other side of the apparatus of Figure 1; and
Figure 3 is a schematic sectional view of part of the apparatus of Figure 1.

On ne décrit pas en détail les appareils représentés sur les figures 1 à 3 étant donné qu'ils comportent de nombreux éléments déjà décrits dans le brevet principal. The devices shown in Figures 1 to 3 are not described in detail since they include many elements already described in the main patent.

Les éléments identiques ou analogues à ceux de l'appareil décrit dans lb brevet principal portent des références identiques. On ne décrit donc que les parties qui diffèrent de celles du brevet principal.Elements identical or analogous to those of the apparatus described in the main patent 1b bear identical references. We therefore only describe the parts which differ from those of the main patent.

Le châssis mobile 20 comporte deux barres 22 et 24, la barre 24 étant décentrée et comportant un flasque 74 permettant le décilage latéral d'une joue 75 par rapport à l'autre barre 22. De cette manière, sur la plus grande partie de leur longueur, les barres 22 et 24 sont très proches et entourent la chaîne 66 et le pignon 68. A l'extre- mité inférieure, les deux barres 22 et 24, notamment la joue 75 de cette dernière, délimitent un espace plus grand dans lequel se loge la roue unique 48 et le pignon 62. The movable frame 20 comprises two bars 22 and 24, the bar 24 being off-center and comprising a flange 74 allowing the lateral unhooking of a cheek 75 relative to the other bar 22. In this way, over most of their length, the bars 22 and 24 are very close and surround the chain 66 and the pinion 68. At the lower end, the two bars 22 and 24, in particular the cheek 75 of the latter, delimit a larger space in which the single wheel 48 and the pinion 62 are housed.

Selon l'invention, l'essieu 56 comporte des tourillons 76 à ses extrémités. Ces tourillons tournent dans des coussinets 78 de la partie inférieure des barres 22 et 24.According to the invention, the axle 56 has pins 76 at its ends. These pins rotate in bearings 78 of the lower part of the bars 22 and 24.

Des boulons 80 rendent solidaire la jante 52 de la roue 48 du pignon 68, ces boulons passant dans des trous du pignon 62 et de la jante 52 et serrant ces deux éléments contre des entretoises 82. Bolts 80 make the rim 52 of the wheel 48 of the pinion 68 integral, these bolts passing through holes in the pinion 62 and the rim 52 and tightening these two elements against spacers 82.

Cette disposition présente l'avantage d'éviter tout porte-à-faux si bien que toute les forces sont encaissées par les deux barres 22 et 24. This arrangement has the advantage of avoiding any overhang so that all the forces are absorbed by the two bars 22 and 24.

Il faut noter que, selon un avantage de l'invention, la surface d'appui au sol de la roue 48 est recoupée par l'axe vertical du trqnçcn inférieur 44 de l'organe de réglage en hauteur. De cette manière, aucun couple de déséquilibre n'est appliqué par l'appareil et les efforts sont essentiellement des efforts de compression et non de cisaillement. It should be noted that, according to an advantage of the invention, the bearing surface on the ground of the wheel 48 is intersected by the vertical axis of the lower trqnçcn 44 of the height adjustment member. In this way, no imbalance torque is applied by the device and the forces are essentially compressive forces and not shear forces.

Par ailleurs, l'appareil décrit dans le présent mémoire possède tous les avantages de l'appareil du brevet principal. Ainsi, la description du brevet principal est incorporée au présent mémoire.  Furthermore, the apparatus described in this specification has all the advantages of the apparatus of the main patent. Thus, the description of the main patent is incorporated into the present specification.

Claims (8)

REVENDICATIONS 1. Appareil auxiliaire d'entratnement pour remorque, du type qui comprend1. Auxiliary device for driving a trailer, of the type which includes - un châssis mobile (20) portant un essieu (56) tourillonnant autour d'un premier axe destiné à être sensiblement parallèle au sol, et un dispositif (62, 66, 68) d'entrarnement manuel de l'essieu, ce dispositif ayant un organe mené monté directement sur l'essieu, - A mobile chassis (20) carrying an axle (56) journalled around a first axis intended to be substantially parallel to the ground, and a device (62, 66, 68) for manual drive of the axle, this device having a driven member mounted directly on the axle, - un châssis fixe (12) comprenant un organe de fixation à une remorque, - a fixed chassis (12) comprising a member for fixing to a trailer, - un dispositif (12, 32, 44) d'articulation du châssis mobile (20) sur le châssis fixe (12) autour d'un axe sensiblement perpendiculaire au premier axe et destiné à être sensiblement perpendiculaire au sol, ce dispositif comprenant un tronçon (44) de tube de section circulaire solidaire du châssis mobile (20) et un tronçon (12) de tube de section circulaire solidaire du châssis fixe, les tronçons de tube étant montés télescopiquement, - A device (12, 32, 44) of articulation of the movable frame (20) on the fixed frame (12) around an axis substantially perpendicular to the first axis and intended to be substantially perpendicular to the ground, this device comprising a section (44) of circular section tube integral with the movable frame (20) and a section (12) of circular section tube integral with the fixed frame, the tube sections being mounted telescopically, - un dispositif (14, 16) de réglage en translation des deux tronçons de tube (12, 44), - a device (14, 16) for adjusting the translation of the two tube sections (12, 44), - le châssis mobile (20) étant sensiblement vertical et disposé près de l'axe d'articulation, et the movable frame (20) being substantially vertical and disposed near the axis of articulation, and - un dispositif de blocage temporaire en rotation du châssis mobile (20) par rapport au châssis fixe (12), caractérisé en ce que l'essieu porte une seule roue. - A device for temporarily locking the mobile chassis (20) in rotation relative to the fixed chassis (12), characterized in that the axle carries a single wheel. 2. Appareil selon la revendication 1, caractérisé en ce que le dispositif d'entrarnement comprend un pignon (62) fixé sur l'essieu (56) et entraîné par une chatne (6#.)- passant sur un autre pignon (68) monté sur le châssis mobile et fixé sur un axe parallèle à l'essieu et solidaire d'une manivelle (70).2. Apparatus according to claim 1, characterized in that the drive device comprises a pinion (62) fixed on the axle (56) and driven by a pin (6 #.) - passing over another pinion (68) mounted on the mobile chassis and fixed on an axis parallel to the axle and secured to a crank (70). 3. Appareil selon la revendication 1, caractérisé en ce que le dispositif d'entrarnement comporte une roue crantée fixée à l'essieu et entraînée par une courroie crantée passant sur une roue crantée fixée sur un axe parallèle à l'essieu et solidaire d'une manivelle.3. Apparatus according to claim 1, characterized in that the drive device comprises a toothed wheel fixed to the axle and driven by a toothed belt passing over a toothed wheel fixed on an axis parallel to the axle and integral with a crank. 4. Appareil selon la revendication 1, caractérisé en ce que le pignon d'entrainement comporte un pignon d'engrenage solidaire de l'essieu, un second pignon d'engrenage fixé à un axe parallèle à l'essieu et solidaire d'une manivelle, et au moins un pignon intermédiaire d'engrenage placé entre les deux premiers pignons.4. Apparatus according to claim 1, characterized in that the drive pinion comprises a gear pinion secured to the axle, a second gear pinion fixed to an axis parallel to the axle and secured to a crank , and at least one intermediate gear pinion placed between the first two pinions. 5. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de réglage en translation comporte une vis tourillonnant dans un tronson de tube et un écrou fixé à l'autre tronçon de tube, et une manivelle solidaire de la vis, l'un des tronçons de tube formant avantagensement 1'organe de fixation du châssis fixe sur la remorque.5. Apparatus according to any one of the preceding claims, characterized in that the translational adjustment device comprises a screw journalling in a tube section and a nut fixed to the other section of tube, and a crank secured to the screw , one of the tube sections advantageously forming the fixing member of the fixed chassis on the trailer. 6. Appareil selon l'une quelconque des revendications précédentes# caractérisé en ce que le châssis mobile (20) comporte un organe de direction (46).  6. Apparatus according to any one of the preceding claims # characterized in that the movable frame (20) comprises a steering member (46). 7. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que l'axe d'articulation du châssis mobile sur le châssis fixe recoupe la surface d'appui au sol de la roue.7. Apparatus according to any one of the preceding claims, characterized in that the axis of articulation of the movable frame on the fixed frame intersects the bearing surface on the ground of the wheel. 8.- RemOrque, notamment caravane légère, caractérisée en ce qu'elle comporte un appareil auxiliaire d'entraînement selon l'une quelconque des revendications précédentes. 8.- RemOrque, in particular a light caravan, characterized in that it comprises an auxiliary drive device according to any one of the preceding claims.
FR8309790A 1982-11-12 1983-06-14 Auxiliary manual drive apparatus for a trailer, particularly for a caravan Pending FR2548989A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8309790A FR2548989A2 (en) 1982-11-12 1983-06-14 Auxiliary manual drive apparatus for a trailer, particularly for a caravan
EP83402193A EP0112735A1 (en) 1982-11-12 1983-11-10 Auxiliary manual drive for trailers, especially for caravans

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8219014A FR2536025A1 (en) 1982-11-12 1982-11-12 Auxiliary manual towing apparatus for a trailer, especially for caravan
FR8309790A FR2548989A2 (en) 1982-11-12 1983-06-14 Auxiliary manual drive apparatus for a trailer, particularly for a caravan

Publications (1)

Publication Number Publication Date
FR2548989A2 true FR2548989A2 (en) 1985-01-18

Family

ID=26223145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8309790A Pending FR2548989A2 (en) 1982-11-12 1983-06-14 Auxiliary manual drive apparatus for a trailer, particularly for a caravan

Country Status (1)

Country Link
FR (1) FR2548989A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150266406A1 (en) * 2014-02-25 2015-09-24 Duane Stombaugh Trailer mover

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269740A (en) * 1964-09-02 1966-08-30 Elmer R Hutchinson Vehicle moving mechanism
US3937479A (en) * 1972-03-30 1976-02-10 Dalton Virgil D Dolly for moving and positioning vehicles
EP0035874A1 (en) * 1980-03-06 1981-09-16 Lionel Graham Morris Traction device for a towed vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269740A (en) * 1964-09-02 1966-08-30 Elmer R Hutchinson Vehicle moving mechanism
US3937479A (en) * 1972-03-30 1976-02-10 Dalton Virgil D Dolly for moving and positioning vehicles
EP0035874A1 (en) * 1980-03-06 1981-09-16 Lionel Graham Morris Traction device for a towed vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150266406A1 (en) * 2014-02-25 2015-09-24 Duane Stombaugh Trailer mover

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