GB2542160A - A sliding bogie trailer - Google Patents
A sliding bogie trailer Download PDFInfo
- Publication number
- GB2542160A GB2542160A GB1515995.7A GB201515995A GB2542160A GB 2542160 A GB2542160 A GB 2542160A GB 201515995 A GB201515995 A GB 201515995A GB 2542160 A GB2542160 A GB 2542160A
- Authority
- GB
- United Kingdom
- Prior art keywords
- trailer
- wheels
- sliding
- sliding bogie
- bolster assembly
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
- B62D21/20—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17 trailer type, i.e. a frame specifically constructed for use in a non-powered vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/06—Trailers
- B62D63/061—Foldable, extensible or yielding trailers
-
- 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
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/64—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable
- B60P1/6418—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable the load-transporting element being a container or similar
- B60P1/6481—Specially adapted for carrying different numbers of container or containers of different sizes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/14—Understructures, i.e. chassis frame on which a vehicle body may be mounted of adjustable length or width
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A sliding bogie trailer 20 has a front trailer part 2 and an associated rear trailer part 3 which are telescopically slidable relative to each other for length adjustment of the trailer 20 to carry container boxes of different length. A ramp 25 is provided on the rear trailer part 3 which is engaged by a roller 26 at a rear end of the front trailer part 2 to lift a bolster assembly 5 at a rear end of the front trailer part 2 over rear wheels 11, 12 when moving the trailer parts 2, 3 between collapsed and extended positions.
Description
introduction
This invention relates to semirtraiters and in particular to a sliding bogie trailer ©f a Sliding skeletal trailer as such length adjustable semi-trailers are sometimes catted.
The invention particularly relates to a sliding bogie trailer of the type comprising a from trailer part and an associated rear trailer part bn wheels which are slidably interconnected for adjustment between a collapsed position and an extended position to allow carriage of container boxes of different sizes on the trailer. Each container is supported and secured on the trailer by a number of spsced-apart bolster assemblies comprising laterally extending arms carrying container locks thereon, Typically, a bolster assembly ts provided at a rear end of the front trailer part, in the collapsed position, this bolster assembly locates rearwardiy of the rearmost wheels on the rear trailer part, whilst in the extended position, the bolster assembly locates in front of the rearmost wheels on the rear trailer part. To allow the bolster assembly to pass the wheels when the trailer parts move between the collapsed and extended positions, this bolster assembly may be mounted above the wheels so it freely passes the wheels. However, such a relatively high mount on the trailer may cause difficulty with height clearance for containers carried on the trailer in respect of bridges, tunnels and the like, and such a high mount is also less stable, in Europe currently there is a maximum height restriction of four metres. Therefore, it is generally desirable to mount a container as low as possible on the frailer. However, a relatively low mount would cause the bolster assembly at the rear of the front trailer part to Interfere with the wheels when extending and collapsing the ha iter.
The present invention is directed towards overcoming this problem.
According to the invention, there is provided a sliding bogie trailer, having: :a front, frailer part and a pomptemeniary rear frailer part which are slidably interconnected for movement 'between a collapsed position and an extended position, the front trailer part having means for attachment to a tractor vehicle for towing the trailer, a bolster assembly for mounting a eorstainer on the trailer at a rear end of the front trailer part, the rear trailer part being telescopically movable relative to the front trailer pert and mounted on at least one axle with ground engaging wheels, a bottom: of the bolster assembly foGatiog below a top of the wheels when the trailer is in the collapsed position and when the trailer is in the extended position, the bolster assembly locating rearwardfy of the wheels when the trailer parts are in the collapsed position and the bolster assembly loeating forwardly of the wheels when the trailer parts are in the: extended position,. characterised in that there is provided an -elevator to lift the bolster Over the wheels for location either rearw-ardly or forwardly of the wheels. in one embodiment of the Invention, the elevator is operable in response to movement of the trailer parts between the collapsed and extended positions.
In another embodiment,. the elevator Is operable ter vertical displacement of the mar end of the front trailer-part on the rear frailer part as said trailer parts move between the collapsed and extended positions.
In another embodiment, the elevator comprises a ramp on one trailer part which is engagable by the other trailer part.
In another embodiment, the elevator comprises- a ramp on the: rear trailer part which is. engagabte by the font trailer part,
In another embodirnent, the elevator comprises a roller on the other trailer pari which is engagahie with the ramp.
In another embodiment, Ihe raifer is counted on the bolster assembly.
In another embodiment, the: roller is cenirally mounted on the bolster assembly.
In a preferred embodiment, the rear trailer part comprises a pair of spaced-apart substantially parallel longitudinal I-beams interconnected by cross members extending therebetween, rollers on the front trailer part engaging and running along top faces of upper flanges of said I-beams for slidably interconnecting the front and rear trailer parts, a ramp projecting upwardly from the top face of each I-beam intermediate the ends thereof, each ramp having a raised central portion connected by front and rear sloped faces with the top face of the I-beam, said central portion being -of sufficient' height above the top face of the I-beam to elevate the bolster above the tops of the wheels.
In another embodiment, the: sliding bogie trailer is a gooseneck trailer.
The invention will be more clearly understood by the following description of some embodiments· thereof, given by way of example only, with reference to the accompanying drawings, in which:
Fig, 1 is an elevations! view of a prior art sliding bogie trailer, shown in a collapsed position;
Fig. 2 is an eievationai view of the prior art sliding bogle frailer of Fig. 1. shown in an extended position:
Fig, .3 Is a plan view of the prior art sliding bogie trailer of Fig . 1, shown in the extended position:
Fig. 4 Is an eievationai view of a sliding bogle trailer according to the invention, shown in a collapsed position;
Pig, 5 is an elevations! view of the sliding bogie trailer of Pig, 4, shown in an extended posiion:
Fig, 6 is a plan view of the sliding bogie trailer of Fig, 4, shewn In the extended position;
Fig. 7 Is a detail eievatibrfof view showing a rear portion of the sliding: bogle trailer of Fig 4; and
Fig. 8 Is an enlarged detail eievationai view of the rear portion of the sliding bogie trailer of Fig. 4.
Referring initially to Figs. 1 to 3 of the drawings, there is show?! a known type of sliding bogie frailer. Indicated generally by the reference numeral 1. The sliding bogie trailer 1 has a front trailer part 2 and an associated rear trailer part 3 which are slidably interconnected for telescopic movement between a collapsed position, as shown in Fig. 1 and an extended position, as shewn in Figs. 2 and 3. for carrying container boxes of different length on the sliding bogie trailer 1. For example, a single 20 foot, 30 toot or 40 fool container, or two 20 foot containers, could be mounted on the sliding bogie trailer i. As illustrated in the drawings, the trailer 1 is a gooseneck trailer. A king pin 4 is mounted on the front trailer part 2, adjacent a front end of the front trailer part 2 for attachment to a tractor vehicle for towing the sliding bogie trailer 1, A bolster assembly 5 tor mounting a container on the trailer 1 is provided at a rear end 7 of the front trailer part 2. Other bolster assemblies 6 are provided on the trailer 1 lor engagement with the various different containers that, can be mounted on the trailer 1.
The rear trailer part 3 is telescopically movable relative to the front trailer part 2 and is mounted, in this case, on three axles, namely, a front axle 8, a middle axle 9 and a rear axle 10. each carrying ground engaging wheels 11 at opposite sides of the rear trailer part 3. Each wheel 11 has so associated mudguard assembly 12 extending about an upper portion of the wheel 11 In the usual way. For the purposes of this patent specification, such a mudguard assembly is included in the term *wh®sr as used in this patent specification.
It will be noted that the bolster assembly 5 locates rearwardly of the wheels 11, when the trailer parts 2, 3 ere in the collapsed position (Fig. 1), and the bolster assembly 5 locates forwardly of the wheels 11 on the rear axle 10, when the trailer parts 2, 3 are in the extended position: (Fig. 2 and Fig. 3}.
The rear trailer part 3 comprises a pair of spaced-aparf substantially parallel longitudinal Ι-hesms 14, 15 interconnected by cross members 16 extending therebetween. The front trailer part 2 has a generally similar construction, that is a pair of spaeed-apart longitudinal I-beams. Rollers on the front trailer part 2 engage and fun along fop faces 17 of upper flanges 16 Of the I-beams 14, 15 for slidably interconnecting the front and rear trailer parts 2. 3.
The bolster assembly 5 has arms 19 which project laterally outwardly of each I-beam 14, 15 arsd have a container lock, such as a twist lock, at an outer end of each arm 19 for connection to a container whp?vthe container is mounted on the trailer.
Referring now to Fig, 4 to Fig. 8, there is shown a sliding bogie trailer according to the invention, indicated generally by the reference numeral 20. Parts similar to those described previously are assigned the same reference numerals. The general construction of the sliding bogie trailer 20 is similar to the construction of the sliding bogle trailer 1 described previously with reference to Figs. 1 to 3. In accordance with the present invention, however, in this case, an elevator, indicated generally by the reference numeral 22 is provided to lift the bolster 5 over the wheels 11 of the rear axle 10, as the two trailer parts 2, 3 are telescopically moved between the collapsed and extended positions, This elevator 22 is operable for vertical displacement of a rear end 7 of the front trailer part 2 on the rear trailer part 3, as the frailer parts 2, 3 move between the collapsed and extended positions, when either lengthening or shortening the trailer 20.
The elevator 22 comprises a ramp 25 on the rear frailer part 3 which is engagabfe by m associated roller 26 on the front trailer part 2 in order to lift the bolster 5 over the wheels I t (including the associated mudguard assemblies 12}, The roller 26 is centrally mounted on the bolster assembly 5 (that is centrally between front and rear faces of the bolster assembly 5} and projects downwardly therefrom to engage the ramp 25. Aligned ramps 25 are provided on both I-beams 14, 15 forming the rear trailer part' 3, intermediate the ends of each I-beam 14 15 on the top faces 17 of the upper flanges IS and are engaged by associated rollers 26 mounted on the bolster assembly 5.
Each ramp 25 has a raised! central portion 28 connected by front and rear sloped faces 29, 30 with a top face 17 of the I-beam 14 forming the rear trailer part & The central portion 28 is of sufficient height above the fop face 17 to elevate the bolster assembly 5 above the tops of the wheels 11 (including the associated mudguard assemblies 1¾}. in use, when the trailer parts 2, 3 are extended and retracted., the rollers 26 roll up a sloped face 29, 30 of each ramp 25. across the central portion 28 and down the Opposite sloped face 29. 30 to lit the bolster assembly 5 over the wheels 11. Fig. 7 and Fig. 8 illustrate the bolster assembly 5 in a number of positions, as the rollers 28 run up and across the ramps 25 on each I-beam 14,15,
Although riot shown in the drawings preferably a roller, low friction rubbing strip or the like Is mounted at a front end of each i-beam 14. 15 of the rear trailer part 8 to engage the associated I-beams of the front trailer part 2 and prevent any binding which might fee caused between the two trailer parts 2, 3 by upward movement of the front ©fed of the rear trailer part 3 dunng extension and retraction of the two trailer parts 2, 3.
The embodiment of the invention described with reference to Figs, 4 to 8 shows elevator ramps 25 on each of the-I-beams; 1.4,15 of the rear trailer part 3, However, It is envisaged that a similar affect could be achieved by mounting the ramps 25 between the two I-beams 14, 15 on a separate mounting frame.
The terms “comprise” and Include”, and any variations thereof required for grammatical reasons, are in be considered as interchangeable and accorded the. widest possible interpretation.
The. invention Is not limited to the embodiments hereinbefore described which may be varied in both construction and detail within the scope of the appended claims.
Claims (10)
1. A sliding bogie trailer, Having: a front trailer part and a complementary rear trailer part which are slidably interconnected tor movement between a collapsed position and an extonded position, the front trailer part having means for attachment to a tractor vehicle for towing the trailer, a bolster assembly for mounting a container on the trailer af a rear end of the front trailer part, the rear trailer part being telescopically movable relative to the front trailer pad and mounted on at feast one axle with ground engaging wheels, a bottom of the bolster assembly locating below a top of the wheels when the trailer is in the collapsed position and when the frailer is in the extended position, the bolster assembly locating rearwardly of the wheels when the trailer parts are in the collapsed position and the bolster assembly locating forwardly of the wheels When the trailer parts are in the extended position , characterised in that there is provided an elevator to lift the bolster over the wheels for location ether rearwardly or forwardly of the wheels.
2. The sliding bogie trailer as claimed in claim 1 wherein the elevator is operable in response to movement of the trailer parts between the collapsed and extended positions.
3. The sliding bogie trailer as claimed In claim 1 or claim 2, wherein the elevate? is operable for vertical displacement of the rear end of the front trailer pan on the rear trailer part as: said trailer parts move between the collapsed and extended positions-.
4. The sliding bogie trailer as claimed in any preceding claim, wherein the elevator comprises a ramp on one trailer part which is engagable by the other trailer pari.
5- The sliding bogie trailer as claimed m claim 4 wherein the elevator comprises a ramp on the rear trailer part which is engagable by the front trailer part. & The sliding bogie trailer as claimed in claim 4 or claim S, wherein the elevator comprises a roller on the other trailer part which is engagable with the ramp.
7. The sliding bogie trailer as claimed in claim 0.« wherein the roller Is mounted oh the bolster assembly.
8. The sliding bogie trailer as claimed; in claim 7- wherein the roller is centrally mounted on the bolster assembly,
9. The sliding bogie trailer as claimed in any preceding claim, wherein the rear trailer part comprises a pair of spaced-apart substantially parallel longitudinal I-beams interconnected by cross members extending therebetween, rollers on the front trailer part engaging and running along top faces of upper flanges of said I- beams for slidably interconnecting the front and rear trailer parts, a ramp projecting upwardly from the top face of each I-beam Intermediate the ends thereof., each ramp having a raised central portion connected by front and rear sloped faces with the top face of the I-beam, said central portion being of sufficient height above the top face of the I-beam to elevate me bolster above the tops of the wheels,
10. The sliding bog-e trailer as claimed in any preceding claim, wherein the sliding; bogle trailer is a gooseneck trailer.
11. -A sliding bogie trailer substantially as hereinbefore described with reference to the accompanying drawings.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1515995.7A GB2542160A (en) | 2015-09-09 | 2015-09-09 | A sliding bogie trailer |
| SI201630121T SI3141422T1 (en) | 2015-09-09 | 2016-09-09 | A sliding bogie trailer |
| PL16188166T PL3141422T3 (en) | 2015-09-09 | 2016-09-09 | A sliding bogie trailer |
| HUE16188166A HUE042015T2 (en) | 2015-09-09 | 2016-09-09 | A sliding bogie trailer |
| DK16188166.9T DK3141422T3 (en) | 2015-09-09 | 2016-09-09 | TRAILER WITH SLIDING BOGIE |
| EP16188166.9A EP3141422B1 (en) | 2015-09-09 | 2016-09-09 | A sliding bogie trailer |
| IE20160222A IE20160222A1 (en) | 2015-09-09 | 2016-09-09 | A sliding bogie trailer |
| ES16188166T ES2700428T3 (en) | 2015-09-09 | 2016-09-09 | A trailer with sliding bogie |
| PT16188166T PT3141422T (en) | 2015-09-09 | 2016-09-09 | A sliding bogie trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1515995.7A GB2542160A (en) | 2015-09-09 | 2015-09-09 | A sliding bogie trailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB201515995D0 GB201515995D0 (en) | 2015-10-21 |
| GB2542160A true GB2542160A (en) | 2017-03-15 |
Family
ID=54346018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1515995.7A Withdrawn GB2542160A (en) | 2015-09-09 | 2015-09-09 | A sliding bogie trailer |
Country Status (6)
| Country | Link |
|---|---|
| DK (1) | DK3141422T3 (en) |
| ES (1) | ES2700428T3 (en) |
| GB (1) | GB2542160A (en) |
| HU (1) | HUE042015T2 (en) |
| IE (1) | IE20160222A1 (en) |
| PT (1) | PT3141422T (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3398810A1 (en) * | 2017-04-21 | 2018-11-07 | Fahrzeugwerk Bernard Krone GmbH & Co. KG | Compact rear end of utility vehicles with extendible rear end |
| EP3623262A1 (en) * | 2018-09-14 | 2020-03-18 | Dennison Trailers Unlimited Company | Semi-trailer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2335891A (en) * | 1997-12-22 | 1999-10-06 | Robert Dennison | An extendable trailer |
| EP2090462A2 (en) * | 2008-02-18 | 2009-08-19 | Fahrzeugwerk Bernard Krone GmbH | Container chassis with adjustable length |
-
2015
- 2015-09-09 GB GB1515995.7A patent/GB2542160A/en not_active Withdrawn
-
2016
- 2016-09-09 ES ES16188166T patent/ES2700428T3/en active Active
- 2016-09-09 PT PT16188166T patent/PT3141422T/en unknown
- 2016-09-09 HU HUE16188166A patent/HUE042015T2/en unknown
- 2016-09-09 DK DK16188166.9T patent/DK3141422T3/en active
- 2016-09-09 IE IE20160222A patent/IE20160222A1/en not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2335891A (en) * | 1997-12-22 | 1999-10-06 | Robert Dennison | An extendable trailer |
| EP2090462A2 (en) * | 2008-02-18 | 2009-08-19 | Fahrzeugwerk Bernard Krone GmbH | Container chassis with adjustable length |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3398810A1 (en) * | 2017-04-21 | 2018-11-07 | Fahrzeugwerk Bernard Krone GmbH & Co. KG | Compact rear end of utility vehicles with extendible rear end |
| EP3623262A1 (en) * | 2018-09-14 | 2020-03-18 | Dennison Trailers Unlimited Company | Semi-trailer |
Also Published As
| Publication number | Publication date |
|---|---|
| IE20160222A1 (en) | 2017-03-22 |
| DK3141422T3 (en) | 2019-01-07 |
| ES2700428T3 (en) | 2019-02-15 |
| GB201515995D0 (en) | 2015-10-21 |
| HUE042015T2 (en) | 2019-06-28 |
| PT3141422T (en) | 2018-12-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |