CH704291A2 - Toboggan transport objects. - Google Patents

Abstract

The present invention relates to an object transport sled comprising a frame (2) equipped with a gripping means (12, 13a, 13b) for directing the transport sled and a gliding means (15a, 15b) fixed under the frame (2), characterized in that it further comprises a rolling means (14a, 14b) arranged in front of the gliding means (15a, 15b) so that said transport sled can assume a sled position In which at least the gliding means (15a, 15b) is in contact with the ground and a "wheelbarrow" position by lifting of the gripping means (13a, 13b) by a user, in which only the rolling means (14a , 14b) is in contact with the ground.

Description

The present invention relates to a sled for transporting objects on different types of flooring, such as on snow or asphalt.

In some Nordic countries or in some mountainous regions, snow can be an obstacle to road and pedestrian traffic even in small quantities. With urban development and increased use of motor vehicles, snow clearing of roads and housing is being used. However, snow removal is expensive and not without consequences for the environment. In fact, the quantities of salt used infiltrating soil and greenhouse gases released by snow removal equipment can be significant sources of environmental and financial impacts.

For these reasons and others, places like some city centers or some ski resort centers, want to keep a snowy ground. Transport means adapted to move or to carry the luggage on the snow can then be privileged. In particular, toboggans or sleds are interesting because ecological. However, when the snow cover is not sufficient or when the sled is driven on other types of soil, such as on the tar or on the wood, its use becomes difficult, even impossible.

The invention aims to solve, these problems by proposing a sled transport objects, ecological and adapted to move on different types of surfaces, such as on snow, ice, asphalt, wood , gravel, concrete, stairs ...

To this end, the object of the invention is an object transport sled comprising a chassis equipped with a gripping means for directing the transport sled and a gliding means fixed under the chassis, characterized in that it further comprises a rolling means arranged in front of the gliding means so that said transport sled can assume a "sled" position in which at least the gliding means is in contact with the ground and a position " wheelbarrow "by lifting the gripping means by a user, wherein only the rolling means is in contact with the ground.

Thus, when the soil has a surface adapted to slip, the user pushes the sled transport sled on the ground via the gripping means. The gliding means, alone or in combination with the rolling means, is (are) in contact with the ground. Then, when the surface of the ground is no longer adapted for sliding, for example on hard surfaces or for the obstacle clearance, the user raises the transport sled in the wheelbarrow position, via the gripping means, in such a way that that only the rolling means remains in contact with the ground.

The transport of objects is thus adapted to the ground surface by simply changing the carrying position, without having to move the objects carried by the transport sled and without having to disassemble it partially to replace the gliding means with the rolling medium (or vice versa). In addition, the transport sled is robust because it does not use articulated or removable means to replace the sliding means to the rolling means. Moreover, it is an ecological means of transportation.

According to one or more characteristics of the transport sledge, taken alone or in combination, the rolling means is arranged relative to the sliding means so that in sled position, the rolling means and the gliding means are in contact with the ground, the rolling means is arranged relatively to the gliding means so that in the sled position, only the gliding means is in contact with the ground, the rolling means comprises first and second wheels arranged on either side of the gliding means, the gliding means comprises at least one pad adapted to slide on a snow-covered ground, the pad has the shape of a strip comprising at least one flat portion intended to be in contact with the snow-covered ground in sled position and at least one curved portion connected to the front of a chassis plate, the pad comprises a rolled metal sheet and a glide base fixed under said metal sheet, the advancing angle between the flat portion and the curved front portion is greater than 100 °, the gripping means comprises at least one low handle adapted to direct the transport sled in the wheelbarrow position and at least one upper handle located above the lower handle to direct the sled in the sled position, the transport sled comprises a housing for receiving the objects to be transported, first and second clearances are provided on an axle of the wheels, between the sides of the housing and said wheels, said clearances being dimensioned to allow the passage of the wheels of a similar transport sled intended to be stacked in the housing of said sled transport, the flanks of the housing are inclined towards the outside of the housing and the front opening of the housing is truncated, a front wall of the housing comprises an axle stop means of the wheels of a similar transport sled intended to be stacked in the housing of the transport sled, the stop means comprises two notches respectively formed in the upper rails of the chassis, said abutment means forms a third fulcrum with the wheels in vertical position of the transport sled.

Other features and advantages of the invention will become apparent from the following description, given by way of example, without limitation, with reference to the accompanying drawings, in which: <tb> fig. 1 <sep> is a perspective view and substantially from above of an empty transport sled according to a first embodiment, <tb> fig. 2 <sep> is a perspective view of the front of the transport sled of FIG. 1 <tb> fig. 3 <sep> is a schematic view of a user pushing the transport sled of FIG. 1 in sled position, <tb> fig. 4 <sep> is a schematic view of the user pushing the transport sled of FIG. 1in "wheelbarrow" position, <tb> fig. <Sep> represents four transport sleds similar to the transport sled of FIG. 1, one of which is dotted, stacked in a vertical position, <tb> fig. 6 <sep> represents three transport sleds similar to the transport sled of FIG. 1, one of which in dotted lines, stacked horizontally, <tb> fig. 7 <sep> represents an object carriage comprising elements of a transport sled and additional rolling means, <tb> fig. 8 <sep> is a schematic view of a user pushing a transport sledge according to a second embodiment, in "sled" position, <tb> fig. 9 <sep> is a schematic view of the user pushing the transport sled of FIG. 8in "wheelbarrow" position, <tb> fig. <Sep> is a side view of a transport sled according to a third embodiment, <tb> fig. 11 <sep> represents two transport sleds similar to the transport sled of FIG. 10, stacked horizontally, <tb> fig. 12 <sep> represents a fourth embodiment of the vertical station transport sled, and <tb> fig. 13 <sep> represents a fifth embodiment of a sled transport sled.

In these figures, the identical elements bear the same reference numbers.

In the following description, it will adopt non-limiting longitudinal, vertical and transverse directions shown in the figures by the trihedron (L, V, T) fixed relative to the transport sled in FIG. 1. Thus, the horizontal plane corresponds to the longitudinal and transverse directions, the "upper" and "lower" orientations are designated with reference to the ground (Figures 3 and 4) and the "forward" and "rear" orientations are designated with reference to the forward direction of a user in the longitudinal direction.

Figs. 1 to 6 illustrate a first embodiment of a luge 100, 100, 100 "for the transport of objects 1, such as luggage and / or skis and / or goods.

The transport sled 100 comprises a frame 2 having a plate 3 for carrying the objects 1 to be transported. The frame 2 comprises a gripping means at the rear of the plate 3 for directing (guiding and / or driving) manually the transport sled 100 by a user 4.

In the example illustrated in FIGS. 1 to 6, the plate 3 comprises a frame formed by four crosspieces 5a, 5b, 5c, 5d substantially identical and parallel to each other and two longitudinal bars 6a, 6b, attached to the ends of the crosspieces 5a-5d.

Furthermore, the transport sled 100 comprises an open housing, and may include a closure cap, defining a volume for receiving the objects 1 to be transported. Alternatively and not shown, the transport sled has no housing, the objects 1 being held to the plate 3 for example by tensioners.

The housing is formed by bars and sleepers of the frame 2, reinforced by side walls of the transport sled 100, fixed to the frame 2, the plate 3 constituting the bottom of the housing. For example, the frame 2 comprises four front side bars 8a, 8b and rear 8c, 8d extending substantially vertically from the plate 3 and interconnected by crossbars and upper bars 9a, 9b, 10a, 10b. The bars and the cross members of the frame 2 are for example metallic such as aluminum, steel or titanium and are for example tabular. The side walls comprise for example wooden palettes 11, regularly spaced on the sides and on the plate 3, the housing having a general body shape. It is expected for example that the days between the fins 11 are vis-à-vis in the longitudinal direction to accommodate in these days, objects to carry 1 longer than the sled, such as skis.

The side walls reinforce the frame 2 of the transport sled 100 and allow better maintenance of objects 1 in the housing. Other materials such as plastic, metal or composite materials, can also be used for the realization of the side walls. Moreover, the side walls can be solid (not perforated).

The transport sled 1 comprises a sliding means fixed under the plate 3 of the frame 2 and a rolling means arranged in front of the gliding means and relatively to the latter so that the transport sled 1 can take a "sled" position in which the sliding means and the rolling means are in contact with the ground S (Figure 3) and a "wheelbarrow" position by lifting the gripping means by a user, and in which only the means is in contact with the ground S (Fig. 4).

The rolling means is arranged under the frame further forward than the sliding means in the direction of travel, and rests at the same height as the sliding means sled position, so that the transport sled can rotate around the axle of the rolling means by lifting the gripping means, by detaching the gliding means from the ground.

In the first embodiment, the rolling means and the gliding means are in contact with the ground in the sled position (FIG 3), which facilitates the passage between the wheelbarrow position and the sled position.

In addition, according to the example illustrated in FIGS. 1 to 7, the gripping means comprises at least one low handle adapted to direct the transport sledge 100 in the wheelbarrow position and at least one high handle located above the lower handle to direct the transport sled 100 in sled position. More specifically in this example, the rear side bars 8c, 8d of the frame 2 extend and meet by a transverse loop forming a high handle 12. The upper handle 12 is dimensioned for example to be grasped at least above the basin of the user 4 so that he can push the transport sled into the sled position without difficulty (Fig. 3).

The gripping means also comprises two low handles 12a, 12b in the form of sleeves, for example substantially horizontal in sled position (FIG 3) or inclined downwards, formed by longitudinal extensions of the upper bars 10a, 10b of the frame 2. The lower handles 12a, 12b are lower than the transverse handle 12 in the sled position and are dimensioned so that in the wheelbarrow position, the height of the low handles 12a, 12b substantially corresponds to the height of the hands at rest along the body of the user 4 (ie at the thighs), to facilitate the lifting and carrying of the transport sled 100 in the wheelbarrow position (FIG 4). In addition, the gripping portions of the high and low handles may be covered (or formed) with a gripping material, such as rubber.

It then has two levels of height for the positioning of the hands of the user 4, each level being adapted to one or the other positions sled or wheelbarrow.

According to an alternative embodiment not shown, the gripping means comprises two high handles, above two low handles. The high handles are for example formed by straight extensions in the form of a handle of the rear side bars 8c, 8d of the plate 3. The high handles are for example sized to be grasped and pushed by the user at chest height. Other embodiments are of course possible for the (or) handle (s) low (s) or high (s). For example, it is possible to provide means for adjusting the height of the handles, such as telescopic means, to adapt the height of the handles to the morphology of the user (not shown). Also, the low handle (s) can (s) be retractable (s) in sled position and the (or) handle (s) high (s) can (can) be retractable (s) in a wheelbarrow position (not shown).

According to the first embodiment of FIGS. 1 to 7, the rolling means comprises two wheels 14a, 14b respectively arranged on either side of the gliding means, at the front of the plate 3 of the frame 2. The wheels are for example made of injected plastic (PE, PP , PA) and solid tread (EVA / rubber) or inflatable tires. More specifically, the wheels 14a, 14b, are mounted on lateral ends of the front cross member 5a of the plate 3 of the frame 2, the front cross member 5a of the frame thus forming an axle.

The transport sled may also comprise motorized means for driving the rolling means.

In addition, the gliding means comprises two pads 15a, 15b adapted to slide for example on snowy or glazed ground. The pads 15a, 15b are identical and parallel. Each pad 15a, 15b comprises a metal strip, such as a rolled aluminum sheet and a gliding sole, such as polyethylene, fixed under the sheet. Aluminum makes it possible to provide sufficient rigidity for supporting and transporting objects 1. As can be seen in FIGS. 1 to 6, the pads 15a, 15b made in the form of a metal strip are respectively connected to the front of the plate 3 (for example to the front cross member 5a) and secondly, to the rear of the plate 3 (for example at the rear cross member 5d). The pads 15a, 15b and have a flat portion, extending longitudinally, intended to be in contact with the ground sled position, a front portion bent between the front cross member 5a and the flat portion and a rear bent portion between the flat portion and the rear crossmember 5d. For more aesthetics, the rear curve of the pad has the same inclination as the rear side bars 8c, 8d and the transverse handle 12.

The advancing angle α between the flat portion and the curved front portion of the pads 15a, 15b is greater than 100 ° (FIG 3), so that the transition of the transport sledge 100 in the wheelbarrow position is optimal. Advancing angle α is for example of the order of 135 °, which allows a reasoned rise of the gripping means by the user so that the rolling means replaces the gliding means. Furthermore, it is expected that the rear angle R of the pads 15a, 15b between the flat portion and the rear curved portion is greater than 90 °. The rear angle R makes it possible to produce a lever effect by pushing the gripping means downwards, which facilitates the passage of obstacles in sled position.

According to a variant not shown, the pads have a longitudinal flat portion extending by rear extensions in contact with the ground sled position to allow the user to ride on these extensions and slide with the sled transport to the way of a sled. These extensions can be retractable to be folded vertically.

According to other variants not shown, the transport sled comprises a single central pad made in the form of a wider metal strip. Alternatively, the transport sled comprises three skates, two identical first and parallel skates in the front and a third central, offset at the rear of the plate. According to other possible forms, the pad comprises a wood insert covered with a steel blade or a sandwich structure (wood / fiber / glue) and a gliding sole made of polyethylene. In another example, the gliding means is pivotally mounted or articulated under the chassis plate. According to yet another example, the gliding means comprises a buoy adapted to slide on a sandy ground.

Thus, in the sled position illustrated in FIG. 3, the transport sled 100 is mainly based on its gliding means. The transport sled 100 is pushed (or pulled) by the user 4 via the transverse loop 12 to transport the object 1, the wheels 14a, 14b rolling and the pads 15a, 15b sliding simultaneously on the ground. The use of the transport sledge 100 in sled position is particularly suitable for transporting objects on a floor S adapted to gliding, such as ice or snowy ground.

Then, when the surface of the ground S is no longer suitable, for example on hard surfaces or for the crossing of obstacles such as stairs, stones or uneven, the user 4 grasps the low handles 13a 13b and raises the transport sled 100 in the wheelbarrow position (Fig. 4). Only the rolling means at the front of the transport sled 100 then remains in contact with the ground S and can then roll to advance the transport sled 100. This position is particularly suitable for facilitating the transport of objects on a soil that is not suitable for sliding, such as on a floor, gravel, concrete, stairs.

The transport of objects is adapted to the nature of the soil S by simply changing the carrying position of the transport sled 100, without having to move the objects 1 and without having to disassemble it partially to change the way of slides with rolling means. The transport sled 100 is robust because it does not use articulated or removable means to replace the sliding means by means of rolling. In addition, it is an ecological means of transportation.

Furthermore, to allow stacking of transport sleds 100, 100, 100 "similar, first and second clearances d1, d2 are provided on the axle 5a, between the sides of the housing and the wheels 14a, 14b (Fig. 2). These clearances d1, d2 are dimensioned to allow the insertion of the transport sled 100 into the frame of a similar transport sledge 100. Thus, between the sidewall of the housing and the wheel, there is provided a clearance d1, d2 at least greater than 5 cm and preferably of the order of 12.5 cm.

It is also expected that the sides of the housing are inclined outwardly of the housing so that the opening is wider than the surface of the tray. Also, it is expected that the front opening of the housing is truncated (Figures 1, 3 and 4): the upper front cross member 9a is lower than the upper rear cross member 9b and the upper bars 10a, 10b of the frame have a bent portion, inclined downwardly at the front of the transport sledge 100. In addition, the front side bars 8a, 8b have a length greater than the diameter of the wheels 14a, 14b. This facilitates the stacking of the transport sleds 100, 100, 100 "in a horizontal or vertical position for their storage (Figures 5 and 6).

In the horizontal storage position (FIG 6), the pads 15a 'of the upper transport sled 100 are received in the housing of the lower transport sled 100. At the front, the wheels 14a' 100 of the upper sled are respectively inserted into the first and second clearances dl, d2 of the sledge 100 underneath. In addition, the fins 11 of the upper sled 100 abut in the frame 2 of the housing of the transport sled 100 from below. The truncated front opening and the flared shape of the housing allow the sleds 100,100 to be stacked almost horizontally.

The front wall of the housing comprises a means of abutment to the axle 5a of the rolling means 14a 'of the upper transport sled 100. For example, and as shown in FIG. 6, the fins 11 of the transport sledge 100 protrude from the upper front cross member 9a, making a stop at the axle 5a 'of the transport sled 100 to be stacked in the housing. Alternatively or in addition, the abutment means comprise tubular slots respectively formed in the upper bars of the frame 10a, 10b (not shown). These tubular notches are shaped to receive the axle 5a 'of the transport sled 100 from above.

To facilitate the storage of the transport sled, the stop means formed by the fins 11 of the housing forms a third point of support with the wheels 14a, 14b in the vertical position of the transport sled 100 (Fig. 5). ). The fins (or solid sidewall) may be disposed outside the frame 2 (such as those forming the sidewalls of the housing) or may be disposed within the frame housing 2 (such as those in the front and back of the frame 2). the back of the housing). The front upper cross member 9a, optionally protected against wear by a coating or an additional piece, then acts as abutment bearing on the ground, which increases the life of the palettes 11 (or walls) wood .

In addition, the wheels 14a, 14b have a diameter of about 300 millimeters, which facilitates the crossing of obstacles in the wheelbarrow position while allowing the stacking of the transport sledges.

Furthermore, one can provide additional rolling means 14c comprising for example at least one directional wheel to replace the gliding means for example in summer when there is more snow. For this, the gliding means is removable to be replaced by the additional rolling means at the rear (Figure 7). The transport sled is then transformed into a carriage 500 taking only one transport position in which the three wheels 14a, 14b, 14c are in contact with the ground S.

Figs. 8 and 9 illustrate a second embodiment of the transport sled. This second embodiment differs mainly from the first by the arrangement of the rolling means relative to the gliding means. The wheels 14a, 14b are arranged relative to the pads 15a, 15b so that in the sled position, only the shoes 15a, 15b are in contact with the ground S (FIG 8). The rolling means is arranged under the frame further forward than the sliding means in the direction of travel, and rests higher than the gliding means in sled position, so that the transport sled can pivot around the axle of the rolling means by lifting the gripping means, detaching the gliding means from the ground.

Specifically, the wheels have a diameter similar to the diameter of the wheels of the previous embodiment but the pads 15a, 15b have a flat portion lower than in the previous embodiment. Of course, it is possible to provide, in contrast, pads similar to the previous embodiment and smaller wheels.

Thus, in the sled position, the wheels 14a, 14b are above the point of contact of the sliding means PG with the ground S. The wheels can not slow the movement of the pads 15a, 15b. In the wheelbarrow position (FIG 9), the height of the pads 15a, 15b allows that they are sufficiently raised not to brake the transport sled 200 to the passage of an obstacle. For example, the gap E between the radial end of the wheels 14a, 14b and the point of contact of the pads PG with the ground S in sled position, is less than ten centimeters, to allow the passage from the sled position to the position wheelbarrow (Fig. 8).

According to a third embodiment of the transport sled shown in FIGS. 10 and 11, the transport sled 300 comprises a flexible connection means between the frame 16 and the gliding means, to dampen shocks and possibly allow the user to give voluntary incidence to the transport sled 300 according to the direction of his support, to make it turn. In this example, the ends of the curved front and rear portions of the pads 17a, 17b extend by a flat connecting tab. The transport sled 300 further comprises a first and a second flexible element 18 for each pad 17a, 17b, for example an elastomer, interposed between the plate 19 and the plane link tabs.

This embodiment is also distinguished in that the gripping means comprises a single transverse handle 20 and height adjustment means, such as telescopic means 21, for adjusting the height of the handle 20 to the position of the transport sledge 200. The transverse handle 20 is thus set in the low position for the wheelbarrow position and in the up position for the sled position.

The transport sled 300 also comprises front abutment means 22a, 22b and rear 23a, 23b for its stack in a similar transport sledge 300. The front stop means 22a, 22b comprises a U-shaped deformation of the upper bars 24a, 24b of the frame 16. The U-shaped deformations 22a ', 22b' of the transport sled 300 are shaped to receive the axle 25 of the sled transport 300 (Figure 9). The rear stop means 23a, 23b is formed by a rear protuberance of the frame 16 projecting from the rear of the plate 19.

According to this third embodiment, the transport sled 300 comprises a housing without fins or solid side walls. The housing is only defined by the bars and cross members of the frame 16. The upper front cross member 26 extends upstream of the wheels 27a, 27b to form a stop means vertical station. The upper front 26 and rear 28 also may have U-shaped longitudinal deformations 29 to accommodate objects to be transported longer than the sledge, such as skis.

When two similar transport slips 300, 300 are stacked in the horizontal storage position (FIG 9), the axle 25 of the sledge 300 of the top is inserted into the U-shaped deformations of the chassis 16 of the sled 300 from below at the first and second clearances between the flanks of the housing and the wheels 27a, 27b. The U-shaped deformations make it possible not to truncate the front of the opening of the housing. At the rear, the protuberances 23a, 23b of the frame abut on the upper rear crossmember 28 of the frame 16 of the sled 300 underneath.

According to a fourth embodiment shown in FIG. 12, the rolling means comprises three wheels 30, arranged equilably, possibly connected in rotation by a track 31. Thus, the transport sled 400 comprises a first and a second set respectively comprising three wheels 30, mounted on the front axle 32 chassis 33, on either side of the gliding means (having a central pad 34 at the rear). This arrangement facilitates the use of the transport sled 400 wheelbarrow position for crossing one or more steps.

In addition, in this embodiment, the frame 33 has a front stop 35 forming a third fulcrum with the wheels 30 in the vertical position of the transport sled 400. In addition, the upper handle 36 is hinged transversely to the frame 33 to be folded towards the opening of the housing and keep the objects received in a vertical station.

According to a fifth embodiment shown in FIG. 13, the gripping means comprises a bar 37 protruding longitudinally rearwards and bent substantially vertically to be gripped at different heights at the discretion of the user according to the position of the transport sled 400. In addition, the side walls 38a , 38b housing include a net.

The sled transporting objects is ecological and adapted to move on different types of surfaces, such as on snow or asphalt, by simply changing the position of portage.

Claims (15)

1. Object-carrying sled comprising a frame (2) equipped with a gripping means (12, 13a, 13b) for directing the transport sled and a gliding means (15a, 15b) running under the frame (2). ), characterized in that it further comprises a rolling means (14a, 14b) arranged in front of the gliding means (15a, 15b) so that said transport sled can take a "sled" position in which at least the sliding means (15a, 15b) is in contact with the ground (S) and a "wheelbarrow" position by lifting of the gripping means (13a, 13b) by a user, in which only the rolling means (14a , 14b) is in contact with the ground (S). 2. Transport sled according to claim 1, characterized in that the rolling means (14a, 14b) is arranged relative to the gliding means (15a, 15b) so that in sled position, the rolling means (14a, 14b) and the gliding means (15a, 15b) are in contact with the ground (S). 3. Transport sled according to claim 1, characterized in that the rolling means (14a, 14b) is arranged relative to the gliding means (15a, 15b) so that sledge position, only the gliding means (15a). , 15b) is in contact with the ground (S). 4. Transport sled according to one of claims 1 to 3, characterized in that the rolling means (14a, 14b) comprises a first and a second wheel arranged on either side of the gliding means (15a, 15b ). 5. Transport sled according to one of claims 1 to 4, characterized in that the gliding means comprises at least one pad (15a, 15b) adapted to slide on a snow-covered ground. 6. Transport sled according to claim 5, characterized in that the pad (15a, 15b) has the shape of a strip having at least one flat portion intended to be in contact with the ground (S) in the sled position and the minus a curved portion connected to the front (3a) of a plate (3) of the frame (2). 7. transport sled according to claim 6, characterized in that the pad (15a, 15b) comprises a rolled metal sheet and a glide flange fixed under said metal sheet. 8. Transport sled according to one of claims 6 or 7, characterized in that the advancing angle (α) between the flat portion and the curved front portion is greater than 100 °. 9. Transport sled according to one of claims 1 to 8, characterized in that the gripping means comprises at least one low handle (13a, 13b) adapted to direct the transport sled in the wheelbarrow position and at least one high handle (12) located above the low handle (13a, 13b) for directing the transport sled in the sled position. 10. Transport sled according to one of claims 1 to 9, characterized in that it comprises a housing for receiving the objects to be transported. 11. Transport sled according to claim 10, taken together with claim 4, characterized in that a first and a second clearance (d1, d2) are provided on an axle (5a) of the wheels (14a, 14b), between the flanks of the housing and said wheels (14a, 14b), said recesses (d1, d2) being dimensioned to allow the wheels (14a ', 14b') to pass through a similar transport sledge intended to be stacked in the housing of said sled transport. 12. Transport sled according to claim 11, characterized in that the flanks of the housing are inclined outwardly of the housing and in that the front opening of the housing is truncated. 13. Transport sled according to one of claims 11 or 12, characterized in that a front wall of the housing comprises a stop means (11) to an axle (5a) of the wheels (14a, 14b) of a sled similar transport intended to be stacked in the accommodation of the transport sled. 14. Transport sled according to claim 13, characterized in that the abutment means comprises two notches (22a, 22b) respectively formed in the upper cross members (10a, 10b) of the frame (2). 15. Transport sled according to claim 13, characterized in that said abutment means (11) forms a third fulcrum with the wheels (14a, 14b) in the vertical position of the transport sled.