CA2298860A1 - Mechanism for stowing and deploying a carriage with respect to a truck box - Google Patents
Mechanism for stowing and deploying a carriage with respect to a truck box Download PDFInfo
- Publication number
- CA2298860A1 CA2298860A1 CA 2298860 CA2298860A CA2298860A1 CA 2298860 A1 CA2298860 A1 CA 2298860A1 CA 2298860 CA2298860 CA 2298860 CA 2298860 A CA2298860 A CA 2298860A CA 2298860 A1 CA2298860 A1 CA 2298860A1
- Authority
- CA
- Canada
- Prior art keywords
- carriage
- receptacle
- transfer arm
- truck
- lever
- 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.)
- Abandoned
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Classifications
-
- 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
- B60P1/6463—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 fitted with articulated beams for longitudinal displacement of the container
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
A carriage with a front end and a rear end can be stowed in a truck box or truck platform, and deployed to a position on the ground outside of the truck by providing a transfer arm having one end pivoted to the truck and the other end pivoted to the front end of the carriage. Roller guides are mounted on the truck, and the carriage has tracks which run in the roller guides for at least a portion of its movement between the two positions. The carriage has wheels adjacent the rear end, and a powered mechanism, typically hydraulic, is adapted to move the transfer arm between its two extreme positions. As the transfer arm begins to move away from the position in which the carriage is stowed in the truck, the front end of the carriage lifts upwardly while the carriage moves rearwardly, supported and guided by the roller guide means, until the wheels at the rear end of the carriage contact the surface on which the truck is standing. This causes the carriage to disengage from the roller guide means and eventually the carriage comes to a stop resting on the surface.
Description
CA 02298860 2000-02-15~
MECHANISM FOR STOWING AND DEPLOYING
A CARRIAGE WITH RESPECT TO A TRUCK BOIL
This invention relates generally to the transportation industry, and has to do particularly with improvements in a truck-mounted mechanism adapted to move a load-bearing carriage between a stowed position and a deployed position.
BACKGROUND OF THIS INVENTION
Numerous attempts have been made to provide, typically for a pick-up truck, a carriage which fits into the rear box when stowed, and which is associated with a mechanism by which the carriage can be removed from the truck box and set down upon the same surface as that supporting the truck. Such carriages range in use from garbage collecting to the transportation of vehicles such as skidoos or of bulk materials. Generally, the prior art has attempted to over-engineer the various frame members supporting the carriage during its movement, often utilizing several parallelogram linkages, winches and cables, and thus having to deal with the problem of disengaging complex supporting linkages from the carriage, once the carriage is on the ground.
Because of this complexity, these prior carriage-handling mechanisms have been expensive, unreliable and time-consuming to install and maintain, as well as requiring professional operators trained on the sequencing of various controls, sometime in unison, during carriage retraction and deployment.
GENERAL DESCRIPTION OF THIS INVENTION
In view of the above-mentioned shortcomings of the prior art, it is an object of one aspect of this invention to provide a carriage control mechanism which utilizes only a single arm that is easily attached to or detached from one end of the carriage. The other end of the carriage is free to move in any direction, but is constrained by guide rolls to movement which is essentially parallel with the travel direction of the truck. Because the transfer arm is of such simple construction, the apparatus to be described herein is inexpensive, easily mounted and serviced, and reliable to operate.
More particularly, this invention provides, in combination:
a carriage having a front end and a rear end, a receptacle for receiving said carriage, a transfer arm having a first end pivotally mounted with respect to said receptacle and a second end pivotally engaging the front end of the carriage, the arm being movable between a carriage-stowed position wherein the carriage is received by the receptacle, and a carriage-deployed position wherein the carriage is external to the receptacle, roller guide means mounted on the receptacle, track means under the carriage for engaging the roller guide means, wheel means mounted on the carriage adjacent the rear end thereof, and power means for positively moving the transfer arm between its said positions, whereby, as the transfer arm begins to move away from the carriage-stowed position, the front end of the carriage lifts upwardly while the carriage moves rearwardly, supported and guided by the roller guide means, until the wheel means contacts a surface lying below the level of the pivot at the first end of the transfer arm, whereupon the track means disengages from the roller guide means, and the carriage comes to a stop resting on said surface.
Further, this invention provides, a method of deploying from an open-topped receptacle a carriage having a front end and a rear end, said method comprising the steps:
providing a transfer arm having a first end pivotally mounted with respect to said receptacle and a second end pivotally engaging the front end of the carriage, the arm being movable between a carriage-stowed position wherein the carriage is CA 02298860 2000-02-15~
MECHANISM FOR STOWING AND DEPLOYING
A CARRIAGE WITH RESPECT TO A TRUCK BOIL
This invention relates generally to the transportation industry, and has to do particularly with improvements in a truck-mounted mechanism adapted to move a load-bearing carriage between a stowed position and a deployed position.
BACKGROUND OF THIS INVENTION
Numerous attempts have been made to provide, typically for a pick-up truck, a carriage which fits into the rear box when stowed, and which is associated with a mechanism by which the carriage can be removed from the truck box and set down upon the same surface as that supporting the truck. Such carriages range in use from garbage collecting to the transportation of vehicles such as skidoos or of bulk materials. Generally, the prior art has attempted to over-engineer the various frame members supporting the carriage during its movement, often utilizing several parallelogram linkages, winches and cables, and thus having to deal with the problem of disengaging complex supporting linkages from the carriage, once the carriage is on the ground.
Because of this complexity, these prior carriage-handling mechanisms have been expensive, unreliable and time-consuming to install and maintain, as well as requiring professional operators trained on the sequencing of various controls, sometime in unison, during carriage retraction and deployment.
GENERAL DESCRIPTION OF THIS INVENTION
In view of the above-mentioned shortcomings of the prior art, it is an object of one aspect of this invention to provide a carriage control mechanism which utilizes only a single arm that is easily attached to or detached from one end of the carriage. The other end of the carriage is free to move in any direction, but is constrained by guide rolls to movement which is essentially parallel with the travel direction of the truck. Because the transfer arm is of such simple construction, the apparatus to be described herein is inexpensive, easily mounted and serviced, and reliable to operate.
More particularly, this invention provides, in combination:
a carriage having a front end and a rear end, a receptacle for receiving said carriage, a transfer arm having a first end pivotally mounted with respect to said receptacle and a second end pivotally engaging the front end of the carriage, the arm being movable between a carriage-stowed position wherein the carriage is received by the receptacle, and a carriage-deployed position wherein the carriage is external to the receptacle, roller guide means mounted on the receptacle, track means under the carriage for engaging the roller guide means, wheel means mounted on the carriage adjacent the rear end thereof, and power means for positively moving the transfer arm between its said positions, whereby, as the transfer arm begins to move away from the carriage-stowed position, the front end of the carriage lifts upwardly while the carriage moves rearwardly, supported and guided by the roller guide means, until the wheel means contacts a surface lying below the level of the pivot at the first end of the transfer arm, whereupon the track means disengages from the roller guide means, and the carriage comes to a stop resting on said surface.
Further, this invention provides, a method of deploying from an open-topped receptacle a carriage having a front end and a rear end, said method comprising the steps:
providing a transfer arm having a first end pivotally mounted with respect to said receptacle and a second end pivotally engaging the front end of the carriage, the arm being movable between a carriage-stowed position wherein the carriage is CA 02298860 2000-02-15~
received by the receptacle, and a carriage-deployed position wherein the carriage is external to the receptacle, the receptacle having roller guide means mounted thereon, the carriage having track means thereunder for engaging the roller guide means, the carriage further having wheel means adjacent the rear end thereof, and utilising power means to positively move the transfer arm between its said positions, such that, as the transfer arm begins to move away from the carriage-stowed position, the front end of the carriage lifts upwardly while the carriage begins to move rearwardly, supported and guided by the roller guide means, until the wheel means contacts a surface lying below the level of the pivot at the first end of the transfer arm, whereupon the track means disengages from the roller guide means, and the carriage continues to move rearwardly until it comes to a stop resting on said surface.
GENERAL DESCRIPTION OF THE DRAWINGS
One embodiment of this invention is illustrated in the accompanying drawings, in which like numerals denote like parts throughout the several views, and in which:
Figures 1 through 6 are schematic side elevational views of a portions of a truck box, a carriage being loaded into or out of the truck box, and a transfer arm which causes movement of the carriage;
Figure 7 is a schematic elevational view of a truck, showing the major components of the mechanism to be disclosed herein; and Figure 8 is a side elevational view of one possible mechanism for controlling the position of the transfer arm during stowing or deployment of the carriage.
DETAILED DESCRIPTION OF THE DRAWINGS
GENERAL DESCRIPTION OF THE DRAWINGS
One embodiment of this invention is illustrated in the accompanying drawings, in which like numerals denote like parts throughout the several views, and in which:
Figures 1 through 6 are schematic side elevational views of a portions of a truck box, a carriage being loaded into or out of the truck box, and a transfer arm which causes movement of the carriage;
Figure 7 is a schematic elevational view of a truck, showing the major components of the mechanism to be disclosed herein; and Figure 8 is a side elevational view of one possible mechanism for controlling the position of the transfer arm during stowing or deployment of the carriage.
DETAILED DESCRIPTION OF THE DRAWINGS
Attention is first directed to Figure 7, which shows a truck generally at 10, the truck having a cab 12, a box 14, and wheels 16. The truck rests on a surface 18.
Juxtaposed within the box 14, (which will be called hereinafter a receptacle) is a carriage 20. The carriage 20 in Figure 7 is shown with only its basic structural parts, namely a bottom surface 22, a front vertical wall 24, a hook-shaped member 26 at the top of the vertical wall 24, and a pair of laterally separated wheels 28 at the rearward edge of the carriage 20.
The truck frame includes a horizontal member 30, which supports an upright portion 32 at the top of which are provided two spaced-apart roller guides 34.
The carriage 20 includes, mounted under the bottom surface 22, a pair of tracks 35 separated by the same distance that separates the roller guides 34, so that the tracks can ride in the roller guides during stowing or deployment, as will be evident from what follows.
Pivoted with respect to the frame 29 is one end 36 of a transfer arm 38, the latter being geniculate at the location 40, extending upwardly therefrom to an upper edge which defines a bar 42 adapted to be engaged by the hook-shaped member 26 of the carriage 20.
Mechanical/hydraulic means is provided to rotate the transfer arm 38 in the clockwise direction from that shown in Figure 7, turning about the pivot location 37, and initiating rearward movement of the carriage as the transfer arm starts to pivot.
The actual motion of the carriage throughout the process of being removed from the receptacle 14 and set upon the ground 18 is clearly shown in Figures 1-6, to which attention is now directed.
CA 02298860 2000-02-15~
Figure 1 shows the stowed position of the carriage 20, and thus represents the same position as that shown in Figure 7. It is to be emphasized that the truck portion which receives the carriage when stowed can be other than the box of a pick-up. For example, the bed of a flatbed truck could also serve as the part 5 accommodating the carriage.
In Figure 2, the transfer arm has rotated approximately 35°
clockwise, and as can be seen, the carriage has started to move rearwardly and to rotate in the clockwise direction as it does so.
This motion continues until the wheels 28 at the rearward end of the carriage touch the surface 18, as seen in Figure 3. At this point, the carriage disengages from the supporting roller guides 34 and begins to rotate in a counter-clockwise direction as the transfer arm 38 continues its clockwise motion, the wheels 28 now 15 rolling rearwardly and taking a part of the weight of the carriage.
Shortly, the mechanism reaches the stage illustrated in Figure 4, where the carriage is approaching its final position. The latter is shown in Figure 5, with the carriage 20 resting on the surface 18. By moving the transfer arm slightly further in the clockwise direction, as seen in Figure 6, the bar 42 at the end of the transfer arm 38 20 disengages from the hook shaped member 26. The truck can now be driven ahead, leaving the disengaged carriage 20 on the surface 18. At the same time, the transfer arm 38 would normally be rotated counter-clockwise back to its original position as seen in Figure 1, thus being largely out of the way of other items in the truck box.
Figure 8 shows one possible mechanical/hydraulic mechanism for moving the transfer arm 38 about the pivot location 37.
The main member of the mechanism shown in Figure 8 is an intermediate lever 50 of which one end is pivoted at 52 to a supporting framework secured to the truck. The other end is pivoted at 54 to one end of a connecting link 56, the other CA 02298860 2000-02-15~
Juxtaposed within the box 14, (which will be called hereinafter a receptacle) is a carriage 20. The carriage 20 in Figure 7 is shown with only its basic structural parts, namely a bottom surface 22, a front vertical wall 24, a hook-shaped member 26 at the top of the vertical wall 24, and a pair of laterally separated wheels 28 at the rearward edge of the carriage 20.
The truck frame includes a horizontal member 30, which supports an upright portion 32 at the top of which are provided two spaced-apart roller guides 34.
The carriage 20 includes, mounted under the bottom surface 22, a pair of tracks 35 separated by the same distance that separates the roller guides 34, so that the tracks can ride in the roller guides during stowing or deployment, as will be evident from what follows.
Pivoted with respect to the frame 29 is one end 36 of a transfer arm 38, the latter being geniculate at the location 40, extending upwardly therefrom to an upper edge which defines a bar 42 adapted to be engaged by the hook-shaped member 26 of the carriage 20.
Mechanical/hydraulic means is provided to rotate the transfer arm 38 in the clockwise direction from that shown in Figure 7, turning about the pivot location 37, and initiating rearward movement of the carriage as the transfer arm starts to pivot.
The actual motion of the carriage throughout the process of being removed from the receptacle 14 and set upon the ground 18 is clearly shown in Figures 1-6, to which attention is now directed.
CA 02298860 2000-02-15~
Figure 1 shows the stowed position of the carriage 20, and thus represents the same position as that shown in Figure 7. It is to be emphasized that the truck portion which receives the carriage when stowed can be other than the box of a pick-up. For example, the bed of a flatbed truck could also serve as the part 5 accommodating the carriage.
In Figure 2, the transfer arm has rotated approximately 35°
clockwise, and as can be seen, the carriage has started to move rearwardly and to rotate in the clockwise direction as it does so.
This motion continues until the wheels 28 at the rearward end of the carriage touch the surface 18, as seen in Figure 3. At this point, the carriage disengages from the supporting roller guides 34 and begins to rotate in a counter-clockwise direction as the transfer arm 38 continues its clockwise motion, the wheels 28 now 15 rolling rearwardly and taking a part of the weight of the carriage.
Shortly, the mechanism reaches the stage illustrated in Figure 4, where the carriage is approaching its final position. The latter is shown in Figure 5, with the carriage 20 resting on the surface 18. By moving the transfer arm slightly further in the clockwise direction, as seen in Figure 6, the bar 42 at the end of the transfer arm 38 20 disengages from the hook shaped member 26. The truck can now be driven ahead, leaving the disengaged carriage 20 on the surface 18. At the same time, the transfer arm 38 would normally be rotated counter-clockwise back to its original position as seen in Figure 1, thus being largely out of the way of other items in the truck box.
Figure 8 shows one possible mechanical/hydraulic mechanism for moving the transfer arm 38 about the pivot location 37.
The main member of the mechanism shown in Figure 8 is an intermediate lever 50 of which one end is pivoted at 52 to a supporting framework secured to the truck. The other end is pivoted at 54 to one end of a connecting link 56, the other CA 02298860 2000-02-15~
end of the link 56 being pivoted at 58 to a bracket 60 which is secured to and moves with the transfer arm 38.
A hydraulic cylinder 62 is provided, hinged at the point 64 to the supporting framework secured to the truck. The cylinder 62 houses a piston (not seen) to which is connected a rod 68 pivotally connected at 70 to an intermediate point on the intermediate lever 50.
It will thus be seen that, as the hydraulic cylinder pushes the rod 68 leftwardly, it will cause the intermediate lever 50 to pivot counter-clockwise about the pivot point 52, thus pulling leftwardly on the connecting link 56, which in turn causes the transfer arm 38 to rotate counter-clockwise about its pivot location 37.
When the transfer arm 38 reaches the position shown at 38a in Figure 8 (drawn in broken lines), the connecting link 56 will have moved to the position shown at 56a in broken lines, while the intermediate lever 50 will have moved along the arc shown by the arrow 81. The intermediate lever is not shown in the corresponding position, in order to avoid cluttering the drawing.
In Figure 7 can be seen a lock device 73, which includes a finger 75 on the frame 29 which engages above a finger 77 under the carriage 20, when the carriage is in its stowed position (that of Figure 7).
While one embodiment of this invention has been illustrated in the accompanied drawings and described hereinabove, it will be evident to those skilled in the art that changes and modifications may be made therein without departing from the essence of this invention, as set forth in the appended claims.
A hydraulic cylinder 62 is provided, hinged at the point 64 to the supporting framework secured to the truck. The cylinder 62 houses a piston (not seen) to which is connected a rod 68 pivotally connected at 70 to an intermediate point on the intermediate lever 50.
It will thus be seen that, as the hydraulic cylinder pushes the rod 68 leftwardly, it will cause the intermediate lever 50 to pivot counter-clockwise about the pivot point 52, thus pulling leftwardly on the connecting link 56, which in turn causes the transfer arm 38 to rotate counter-clockwise about its pivot location 37.
When the transfer arm 38 reaches the position shown at 38a in Figure 8 (drawn in broken lines), the connecting link 56 will have moved to the position shown at 56a in broken lines, while the intermediate lever 50 will have moved along the arc shown by the arrow 81. The intermediate lever is not shown in the corresponding position, in order to avoid cluttering the drawing.
In Figure 7 can be seen a lock device 73, which includes a finger 75 on the frame 29 which engages above a finger 77 under the carriage 20, when the carriage is in its stowed position (that of Figure 7).
While one embodiment of this invention has been illustrated in the accompanied drawings and described hereinabove, it will be evident to those skilled in the art that changes and modifications may be made therein without departing from the essence of this invention, as set forth in the appended claims.
Claims (14)
1. In combination:
a carriage having a front end and a rear end, a receptacle for receiving said carriage, a transfer arm having a first end pivotally mounted with respect to said receptacle and a second end pivotally engaging the front end of the carriage, the arm being movable between a carriage-stowed position wherein the carriage is received by the receptacle, and a carriage-deployed position wherein the carriage is external to the receptacle, roller guide means mounted on the receptacle, track means under the carriage for engaging the roller guide means, wheel means mounted on the carriage adjacent the rear end thereof, and power means for positively moving the transfer arm between its said positions, whereby, as the transfer arm begins to move away from the carriage-stowed position, the front end of the carriage lifts upwardly while the carriage moves rearwardly, supported and guided by the roller guide means, until the wheel means contacts a surface lying below the level of the pivot at the first end of the transfer arm, whereupon the track means disengages from the roller guide means, and the carriage comes to a stop resting on said surface.
a carriage having a front end and a rear end, a receptacle for receiving said carriage, a transfer arm having a first end pivotally mounted with respect to said receptacle and a second end pivotally engaging the front end of the carriage, the arm being movable between a carriage-stowed position wherein the carriage is received by the receptacle, and a carriage-deployed position wherein the carriage is external to the receptacle, roller guide means mounted on the receptacle, track means under the carriage for engaging the roller guide means, wheel means mounted on the carriage adjacent the rear end thereof, and power means for positively moving the transfer arm between its said positions, whereby, as the transfer arm begins to move away from the carriage-stowed position, the front end of the carriage lifts upwardly while the carriage moves rearwardly, supported and guided by the roller guide means, until the wheel means contacts a surface lying below the level of the pivot at the first end of the transfer arm, whereupon the track means disengages from the roller guide means, and the carriage comes to a stop resting on said surface.
2. The combination claimed in claim 1, in which the receptacle is a rearward, load-bearing portion of a truck, and said surface is the surface supporting the truck.
3. The combination claimed in claim 1 or claim 2, in which the pivotal engagement of the arm with the front end of the carriage utilises a horizontal bar forming part of the carriage, and a downwardly open hook member at the second end of the transfer arm, the hook member engaging the bar.
4. The combination claimed in claim 1, in which the power means comprises a hydraulic cylinder having a piston and a piston rod.
5. The combination claimed in claim 4, in which the power means further comprises:
an intermediate lever having two ends, the lever being pivoted with respect to the receptacle at one of the ends of the lever, the lever having its other end connected to the transfer arm by a connecting link, the lever being engaged by said the piston rod at an intermediate position between said ends.
an intermediate lever having two ends, the lever being pivoted with respect to the receptacle at one of the ends of the lever, the lever having its other end connected to the transfer arm by a connecting link, the lever being engaged by said the piston rod at an intermediate position between said ends.
6. The combination claimed in claim 3, in which the power means comprises: a hydraulic cylinder having a piston and a piston rod and being pivotally mounted with respect to said receptacle, an intermediate lever having two ends, the lever being pivoted to the receptacle at one of its ends, having its other end connected to the transfer arm by a connecting link, and being engaged by the piston rod of the cylinder at an intermediate position between said ends.
7. The combination claimed in claim 1 or claim 2, in which, when the wheel means first contacts said surface, the wheel means lies rearwardly of a hypothetical transverse vertical plane passing through the pivotal mounting of the carriage to the second end of the transfer arm.
8. A method of deploying from an open-topped receptacle a carriage having a front end and a rear end, said method comprising the steps:
providing a transfer arm having a first end pivotally mounted with respect to said receptacle and a second end pivotally engaging the front end of the carriage, the arm being movable between a carriage-stowed position wherein the carriage is received by the receptacle, and a carriage-deployed position wherein the carriage is external to the receptacle, the receptacle having roller guide means mounted
providing a transfer arm having a first end pivotally mounted with respect to said receptacle and a second end pivotally engaging the front end of the carriage, the arm being movable between a carriage-stowed position wherein the carriage is received by the receptacle, and a carriage-deployed position wherein the carriage is external to the receptacle, the receptacle having roller guide means mounted
9 thereon, the carriage having track means thereunder for engaging the roller guide means, the carriage further having wheel means adjacent the rear end thereof, and utilising power means to positively move the transfer arm between its said positions, such that, as the transfer arm begins to move away from the carriage-stowed position, the front end of the carriage lifts upwardly while the carriage begins to move rearwardly, supported and guided by the roller guide means, until the wheel means contacts a surface lying below the level of the pivot at the first end of the transfer arm, whereupon the track means disengages from the roller guide means, and the carriage continues to move rearwardly until it comes to a stop resting on said surface.
9. The method claimed in claim 8, in which the receptacle is a box of a pick-up truck, and said surface is the surface supporting the truck.
9. The method claimed in claim 8, in which the receptacle is a box of a pick-up truck, and said surface is the surface supporting the truck.
10. The method claimed in claim 8 or claim 9, in which the pivotal engagement of the arm with the front end of the carriage utilises a horizontal bar forming part of the carriage, and a downwardly open hook member at the second end of the transfer arm, the hook member engaging the bar.
11. The method claimed in claim 8, in which the power means comprises a hydraulic cylinder having a piston and a piston rod.
12. The method claimed in claim 11, in which the power means further comprises an intermediate lever having two ends, the lever being pivoted with respect to the receptacle at one of its ends, having its other end connected to the transfer arm by a connecting link, and being engaged by said piston rod at an intermediate position between said ends.
13. The method claimed in claim 10, in which the power means comprises: a hydraulic cylinder having a piston and a piston rod, and being pivotally mounted with respect to said receptacle, an intermediate lever having two ends, the lever being pivoted with respect to the receptacle at one of its ends, having its other end connected to the transfer arm by a connecting link, and being engaged by said piston rod at an intermediate position between said ends.
14. The method claimed in claim 8 or claim 9, in which, when the wheel means first contacts said surface, the wheel means lies rearwardly of a hypothetical transverse vertical plane passing through the pivotal mounting of the carriage to the second end of the transfer arm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2298860 CA2298860A1 (en) | 2000-02-15 | 2000-02-15 | Mechanism for stowing and deploying a carriage with respect to a truck box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2298860 CA2298860A1 (en) | 2000-02-15 | 2000-02-15 | Mechanism for stowing and deploying a carriage with respect to a truck box |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2298860A1 true CA2298860A1 (en) | 2001-08-15 |
Family
ID=4165337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2298860 Abandoned CA2298860A1 (en) | 2000-02-15 | 2000-02-15 | Mechanism for stowing and deploying a carriage with respect to a truck box |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2298860A1 (en) |
-
2000
- 2000-02-15 CA CA 2298860 patent/CA2298860A1/en not_active Abandoned
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