CA2023274A1 - Rear loading platform for truck body - Google Patents
Rear loading platform for truck bodyInfo
- Publication number
- CA2023274A1 CA2023274A1 CA 2023274 CA2023274A CA2023274A1 CA 2023274 A1 CA2023274 A1 CA 2023274A1 CA 2023274 CA2023274 CA 2023274 CA 2023274 A CA2023274 A CA 2023274A CA 2023274 A1 CA2023274 A1 CA 2023274A1
- Authority
- CA
- Canada
- Prior art keywords
- guiding rails
- truck body
- floor
- pulleys
- transversal bar
- 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
Links
Landscapes
- Loading Or Unloading Of Vehicles (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE:
A lifting platform adapted to be fixed to the frame surrounding the rear of a truck body, comprises two guiding rails vertically fixed on each side of the rear opening of the truck body in which are adapted to slide two guided plates. A set of pulleys fixed to the guiding rails and the guided plates and interconnected by a cable actuated by a winch allows the guided plates to vertically move inside the guiding rails. A
transversal bar is secured to each guided plates is provided with two longitudinal elevating arms which are adapted to support a load. The elevating arms can move from a level adjacent the ground to a level slightly below the roof of the truck body by the actuation of the winch.
A lifting platform adapted to be fixed to the frame surrounding the rear of a truck body, comprises two guiding rails vertically fixed on each side of the rear opening of the truck body in which are adapted to slide two guided plates. A set of pulleys fixed to the guiding rails and the guided plates and interconnected by a cable actuated by a winch allows the guided plates to vertically move inside the guiding rails. A
transversal bar is secured to each guided plates is provided with two longitudinal elevating arms which are adapted to support a load. The elevating arms can move from a level adjacent the ground to a level slightly below the roof of the truck body by the actuation of the winch.
Description
3 ~ 7 4 TITLE OF THE INVENTION:
-Rear Loading Platform for Truck BodyBACKGROUND OF THE INVENTION:
Field of the invention:
The present invention is directed to a vehicle loading platform mounted on the frame of a truck body in front of an opening and particularly to the door frame located at the rear of a truck body, trailer or the like. The installation, according to the present invention allows the platform to raise and lower loads at any level within the opening of the truck body and below the floor of the truck body.
Prior Art:
Many vehicle loading devices are known. Many of them use a hydraulic system. Others are hinged doors closing over the rear opening of the truck body and accordingly, closes part of this opening when not in use. Also, most of the known loading platforms are heavy and adds to the weight of the truck body.
United States patent No. 3,275,170, describes a loading device using a hydraulic system.
H. Martin et al. describes in United States patent No.
3,795,329, a foldable tailgate comprising two portions which are raised by being folded one over the other.
The platforms described above partly hinders the access to the inside of the truck body. Considering that hydraulic systems may be less reliable, especially in cold climates, obstructions by unoperative doors are unacceptable inconveniences.
Furthermore, hydraulic devices are limited in their travelling movements by the length of their pistons. When the loading system does not go below the floor of the truck, the displacement of heavy loads from the floor of the truck to the ground must be completed by human labor, which is susceptible to cause backache.
-Rear Loading Platform for Truck BodyBACKGROUND OF THE INVENTION:
Field of the invention:
The present invention is directed to a vehicle loading platform mounted on the frame of a truck body in front of an opening and particularly to the door frame located at the rear of a truck body, trailer or the like. The installation, according to the present invention allows the platform to raise and lower loads at any level within the opening of the truck body and below the floor of the truck body.
Prior Art:
Many vehicle loading devices are known. Many of them use a hydraulic system. Others are hinged doors closing over the rear opening of the truck body and accordingly, closes part of this opening when not in use. Also, most of the known loading platforms are heavy and adds to the weight of the truck body.
United States patent No. 3,275,170, describes a loading device using a hydraulic system.
H. Martin et al. describes in United States patent No.
3,795,329, a foldable tailgate comprising two portions which are raised by being folded one over the other.
The platforms described above partly hinders the access to the inside of the truck body. Considering that hydraulic systems may be less reliable, especially in cold climates, obstructions by unoperative doors are unacceptable inconveniences.
Furthermore, hydraulic devices are limited in their travelling movements by the length of their pistons. When the loading system does not go below the floor of the truck, the displacement of heavy loads from the floor of the truck to the ground must be completed by human labor, which is susceptible to cause backache.
2~27~
SUMMARY OF THE INVENTION:
The loading platform, according to the present invention is adapted to be mounted to a frame surrounding an opening generally at the rear of a truck body having two lateral walls, a floor and a roof. The platform comprises two guiding rails vertically fixed on each side of the lateral walls, the guiding rails extending below the floor of the truck.
A guided plate is slidingly mounted in each of the guiding rails and a transversal bar is secured at both ends to the guided plates. A pair of pulleys are rotatably fixed on each of the guided plates and a second set of pulleys fixed to the guiding rails are adapted to lead a cable between a fixed anchor means and a winch in the truck body. The actuation of the winch, when pulling on the cable, raises the guided plates and the transversal bar and lowers the same when the cable is released by the winch.
The guiding rails are particularly made with beams having a C-shaped cross-section disposed vertically so that the guided plates can vertically slide in the throat of the guiding rails. The sliding movement of the guided plates is improved by rollers rotatably mounted on the plates for rotatably moving in the throat of the guiding rails.
The transversal bar preferably has a restricted cross-section and is fitted with longitudinal arms slidingly mounted to extend, selectively, below or behind the truck body. When the platform is not used, the arms are retracted below the truck body and allows the truck to back up without being hindered by the platform.
DETAILED DESCRIPTION OF THE DRAWINGS:
Figure 1 is a side view of a truck on which is mounted a loading platform with the arms in a retracted position;
Figure 2 is a rear view of the truck as shown in figure 1 with the loading platform, according to the present invention;
`-" 2~23~7~
Figure 3 is a perspective view of the travelling portion of the loading platform;
Figure 4 is a cross-sectional view of the loading platform along line 4-4 of figure 2;
Figure 5 is a perspective view of a portion of the loading platform along arrows 5 of figure 4;
Figure 6 is a cross-sectional view along line 6-6 of figure 2;
Figure 7 is a cross-sectional view along line 7-7 of figure 6; and, Figure 8 is a schematic view of the electrical circuit for actuating an electrical winch for the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS: --Figure 1 illustrates a truck 10 having a truck body 12 on whichis mounted the loading platform 14.
Figure 2 shows the rear end of the truck body 12 on which is mounted the loading platform 14. The loading platform 14, as shown in figure 2, includes two guiding rails 16 and 18 which are generally welded to the frame 42 (figure 6) of the truck body 12 substantially in line with each of the lateral walls 20 and 22 of the truck body. The two guiding rails 16 and 18 are parallel and vertically disposed 90 as to clear the full opening at the rear of the truck body 12. A transversal bar 24 extends between both guiding rails 16 and 18 and is adapted to move up and down through a mechanism actuated by a winch 26.
The guiding rails 16-18 extend below the floor 28 of the truck body 12 so that the transversal bar 24 may move to a location as close as possible to the ground 30 and up to a level adjacent the roof 32. The bottom end 34 of the guiding rails 16 and 18 needs to clear the ground 30 during the transport of material by the truck 10 but must be as low as possible so that the transversal bar 24 may reach a position as low as possible to reduce the manual lifting of goods to a minimum. The height 2~3~7~ :
of the bottom end 34 can extend below the axle 26 of the truck and generally about 1/3 of the diameter of the tires or the floor 28 of the truck. As identified in figures 1 and 2, the diameter of the tires being D, the height of the bottom end 34 i9 about .3D.
The rails 16 and 18 have a generally C-shaped cross-section, as shown in figure 6 and 5, which have vertical sides 38 and 40. The rails, such as shown by rail 18 in figure 6, are welded to the frame 42 of the truck body.
The transversal bar 24 is secured at both ends to guided plates 44 and 46 disposed perpendicularly relative to the transversal bar 24 and the latter extend upwardly from both ends of the bar 24. The guided plates 44 and 46 are adapted to vertically slide into the guiding rails 18 and 16, respectively and lift the transversal bar with them.
In order to allow a smoother sliding movement of the guided plates 44 and 46 in their respective guided rails, each guided plate is provided with four rollers 48, 50, 52 and 54 which ride on the inside of the lateral sides 38 and 40 of each of the guiding rails 16 and 18. The rollers 48-54 are located between the guided plates 44 and 46, and their corresponding guiding rails 18 and 16 and extend slightly outwardly of each plate 44 and 46 to allow a smooth vertical riding of the transversal bar 24. Pulley 56 is rotatably mounted inside the plate 44 and similarly pulley 58 is rotatably mounted on the plate 46, the pulleys 56 and 58 facing each other. The length of the plates 44 and 46 is sufficient to allow the rollers 48-54 to maintain the parallelism between the plates 44-46 and their corresponding guiding rails 18 and 16. However, the plates 44 and 46 are maintained sufficiently short so as to allow the transversal bar 24 to reach a level as high as possible. As shown in figure 4, the plates 44 and 46, having a length of about .5D, provide a suitable compromise.
2~27~
Each of the guiding rails 18 and 16 are provided with a second set of pulleys 60 and 62 rotatably fixed near the top of each guiding rails 18 and 16. The pulleys 60 and 62 are disposed along parallel axes perpendicular to the transversal bar 24. Another pulley 64 is rotatably fixed to the guiding rail 18 on an axle parallel to the transversal bar -substantially at the top of the guiding rail 18. This combination of pulleys 56-58, 60-62 and 64 allows a cable 70 to move from a anchor 66 to which it is tightly secured up to an electrical winch 68 mounted at the front of the truck body 12. The anchor 66 is secured to the frame of the truck body forming the roof 12. The cable 70 extends from the anchor 66 passes around the pulley 58 and over both pulleys 52 and 60 down and around pulley 56, over pulley 64 and through an aperture 72 in the rail 18 to reach the winch 68.
When the winch 68 is actuated for pulling the cable 70, the pulleys 56 and 58 are raised which raises the transversal bar 24. The reverse effect is produced when the winch releases the cable 70 for ~
lowering the transversal bar 24. ~;
The present arrangement represents a specific combination of pulleys mounted within the loading platform but could be varied without departing from the substance of the invention. For instance, the use of ~-~
the two pulleys 56 and 58 reduces the pulling load on the winch 68 which could be still further reduced by the addition of a larger number of pulleys creating a further reduction of the load on the winch. It is still within the embodiment of the invention to position pulleys 56 and 58 on a side of the rails 16 and 18 such as on the side 38 (figure 5) of rail 18 so that the axes of both pulleys 56 and 60 are in parallel directions.
In the embodiment described, the location of the winch 26 and 28 is at the front of the truck body because it does not hinder the stacking of goods in the truck body. -~
:=- 2~3~7~
. ~
Although the transversal bar 34 may be used as the lifting elements for goods to be raised within the truck body, two supporting arms 74 and 76 are preferably adapted to be fitted on the bar 24. Two collars 78 and 80 having an aperture 82 and 84 respectively corresponding to the cross-section of the bar 24 are adapted to slide along the longitudinal axis of the bar 24. The supporting arms 74 and 76 are slidingly mounted through the collar 78 and 80, respectively in a direction perpendicular to the bar 24 and are adapted, when extended, rearwardly to support goods to be lifted at a desired level from a distance adjacent the ground to a level adjacent the roof of the truck body. One of the uses o the present loading platform is to raise coffins from a level adjacent the ground to a plurality of levels within the truck body the coffins being stacked up at various levels within the truck body 12.
The supporting arms 74-76 have a handle 92 and 94, respectively at one end for pulling and retracting the arms and an abutting member 96 and 98, respectively at the other end for preventing the arms from sliding forwardly out of the collars 78 and 80. The transversal bar 24 is located slightly below the truck floor 28 when the arms 74 and 76 are retracted under the truck body 12 as identified by the arm 74 in figure 4. Although it may be contemplated to provide the bottom of the floor 28 with stoppers for stopping the retracting movement of the supporting arms, it has been the practice to lock the supporting arms in their retracted position such as shown in full line in figure 4 and by slightly rising the arm 74 and 76 so that the abutting member 96 comes into frictional engagement with the bottom of the floor 28 and accordingly, cannot be unintentionally retracted.
....... .
2~2327~
The possibility of pushing the arm 74 and 76 under the truck body 12 is an advantage which permits the truck to back up in closer proximity to a delivery entrance than iE the arms 74 and 76 could not be retracted.
The installation of the loading platform is reinforced by a cross-bar 100 which is welded to the top part of the guiding rails 16 and 18. Each guiding rail 16 and 18 are further solidified by braces 102 extending between the top of the rails 16 and 18 and a portion of the floor 28 forward of the rails.
Similarly, the winch which may be secured to the roof 32 of the truck body 12 is preferably fixed to a structure located at the front of the truck body 12 and more specifically on a post 104 solidified by a prop 106.
As illustrated in figure 8, the winch 26 is operated by a motor M, the latter being actuated by the vehicle battery 108 through a type of double-pole, double-throw switch 110 in order to reverse the rotation of the winch 26.
The present invention allows the full opening at the rear of the truck body to remain fully accessible because the transversal bar can be entirely moved away from the opening or can be moved at any level within the opening.
SUMMARY OF THE INVENTION:
The loading platform, according to the present invention is adapted to be mounted to a frame surrounding an opening generally at the rear of a truck body having two lateral walls, a floor and a roof. The platform comprises two guiding rails vertically fixed on each side of the lateral walls, the guiding rails extending below the floor of the truck.
A guided plate is slidingly mounted in each of the guiding rails and a transversal bar is secured at both ends to the guided plates. A pair of pulleys are rotatably fixed on each of the guided plates and a second set of pulleys fixed to the guiding rails are adapted to lead a cable between a fixed anchor means and a winch in the truck body. The actuation of the winch, when pulling on the cable, raises the guided plates and the transversal bar and lowers the same when the cable is released by the winch.
The guiding rails are particularly made with beams having a C-shaped cross-section disposed vertically so that the guided plates can vertically slide in the throat of the guiding rails. The sliding movement of the guided plates is improved by rollers rotatably mounted on the plates for rotatably moving in the throat of the guiding rails.
The transversal bar preferably has a restricted cross-section and is fitted with longitudinal arms slidingly mounted to extend, selectively, below or behind the truck body. When the platform is not used, the arms are retracted below the truck body and allows the truck to back up without being hindered by the platform.
DETAILED DESCRIPTION OF THE DRAWINGS:
Figure 1 is a side view of a truck on which is mounted a loading platform with the arms in a retracted position;
Figure 2 is a rear view of the truck as shown in figure 1 with the loading platform, according to the present invention;
`-" 2~23~7~
Figure 3 is a perspective view of the travelling portion of the loading platform;
Figure 4 is a cross-sectional view of the loading platform along line 4-4 of figure 2;
Figure 5 is a perspective view of a portion of the loading platform along arrows 5 of figure 4;
Figure 6 is a cross-sectional view along line 6-6 of figure 2;
Figure 7 is a cross-sectional view along line 7-7 of figure 6; and, Figure 8 is a schematic view of the electrical circuit for actuating an electrical winch for the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS: --Figure 1 illustrates a truck 10 having a truck body 12 on whichis mounted the loading platform 14.
Figure 2 shows the rear end of the truck body 12 on which is mounted the loading platform 14. The loading platform 14, as shown in figure 2, includes two guiding rails 16 and 18 which are generally welded to the frame 42 (figure 6) of the truck body 12 substantially in line with each of the lateral walls 20 and 22 of the truck body. The two guiding rails 16 and 18 are parallel and vertically disposed 90 as to clear the full opening at the rear of the truck body 12. A transversal bar 24 extends between both guiding rails 16 and 18 and is adapted to move up and down through a mechanism actuated by a winch 26.
The guiding rails 16-18 extend below the floor 28 of the truck body 12 so that the transversal bar 24 may move to a location as close as possible to the ground 30 and up to a level adjacent the roof 32. The bottom end 34 of the guiding rails 16 and 18 needs to clear the ground 30 during the transport of material by the truck 10 but must be as low as possible so that the transversal bar 24 may reach a position as low as possible to reduce the manual lifting of goods to a minimum. The height 2~3~7~ :
of the bottom end 34 can extend below the axle 26 of the truck and generally about 1/3 of the diameter of the tires or the floor 28 of the truck. As identified in figures 1 and 2, the diameter of the tires being D, the height of the bottom end 34 i9 about .3D.
The rails 16 and 18 have a generally C-shaped cross-section, as shown in figure 6 and 5, which have vertical sides 38 and 40. The rails, such as shown by rail 18 in figure 6, are welded to the frame 42 of the truck body.
The transversal bar 24 is secured at both ends to guided plates 44 and 46 disposed perpendicularly relative to the transversal bar 24 and the latter extend upwardly from both ends of the bar 24. The guided plates 44 and 46 are adapted to vertically slide into the guiding rails 18 and 16, respectively and lift the transversal bar with them.
In order to allow a smoother sliding movement of the guided plates 44 and 46 in their respective guided rails, each guided plate is provided with four rollers 48, 50, 52 and 54 which ride on the inside of the lateral sides 38 and 40 of each of the guiding rails 16 and 18. The rollers 48-54 are located between the guided plates 44 and 46, and their corresponding guiding rails 18 and 16 and extend slightly outwardly of each plate 44 and 46 to allow a smooth vertical riding of the transversal bar 24. Pulley 56 is rotatably mounted inside the plate 44 and similarly pulley 58 is rotatably mounted on the plate 46, the pulleys 56 and 58 facing each other. The length of the plates 44 and 46 is sufficient to allow the rollers 48-54 to maintain the parallelism between the plates 44-46 and their corresponding guiding rails 18 and 16. However, the plates 44 and 46 are maintained sufficiently short so as to allow the transversal bar 24 to reach a level as high as possible. As shown in figure 4, the plates 44 and 46, having a length of about .5D, provide a suitable compromise.
2~27~
Each of the guiding rails 18 and 16 are provided with a second set of pulleys 60 and 62 rotatably fixed near the top of each guiding rails 18 and 16. The pulleys 60 and 62 are disposed along parallel axes perpendicular to the transversal bar 24. Another pulley 64 is rotatably fixed to the guiding rail 18 on an axle parallel to the transversal bar -substantially at the top of the guiding rail 18. This combination of pulleys 56-58, 60-62 and 64 allows a cable 70 to move from a anchor 66 to which it is tightly secured up to an electrical winch 68 mounted at the front of the truck body 12. The anchor 66 is secured to the frame of the truck body forming the roof 12. The cable 70 extends from the anchor 66 passes around the pulley 58 and over both pulleys 52 and 60 down and around pulley 56, over pulley 64 and through an aperture 72 in the rail 18 to reach the winch 68.
When the winch 68 is actuated for pulling the cable 70, the pulleys 56 and 58 are raised which raises the transversal bar 24. The reverse effect is produced when the winch releases the cable 70 for ~
lowering the transversal bar 24. ~;
The present arrangement represents a specific combination of pulleys mounted within the loading platform but could be varied without departing from the substance of the invention. For instance, the use of ~-~
the two pulleys 56 and 58 reduces the pulling load on the winch 68 which could be still further reduced by the addition of a larger number of pulleys creating a further reduction of the load on the winch. It is still within the embodiment of the invention to position pulleys 56 and 58 on a side of the rails 16 and 18 such as on the side 38 (figure 5) of rail 18 so that the axes of both pulleys 56 and 60 are in parallel directions.
In the embodiment described, the location of the winch 26 and 28 is at the front of the truck body because it does not hinder the stacking of goods in the truck body. -~
:=- 2~3~7~
. ~
Although the transversal bar 34 may be used as the lifting elements for goods to be raised within the truck body, two supporting arms 74 and 76 are preferably adapted to be fitted on the bar 24. Two collars 78 and 80 having an aperture 82 and 84 respectively corresponding to the cross-section of the bar 24 are adapted to slide along the longitudinal axis of the bar 24. The supporting arms 74 and 76 are slidingly mounted through the collar 78 and 80, respectively in a direction perpendicular to the bar 24 and are adapted, when extended, rearwardly to support goods to be lifted at a desired level from a distance adjacent the ground to a level adjacent the roof of the truck body. One of the uses o the present loading platform is to raise coffins from a level adjacent the ground to a plurality of levels within the truck body the coffins being stacked up at various levels within the truck body 12.
The supporting arms 74-76 have a handle 92 and 94, respectively at one end for pulling and retracting the arms and an abutting member 96 and 98, respectively at the other end for preventing the arms from sliding forwardly out of the collars 78 and 80. The transversal bar 24 is located slightly below the truck floor 28 when the arms 74 and 76 are retracted under the truck body 12 as identified by the arm 74 in figure 4. Although it may be contemplated to provide the bottom of the floor 28 with stoppers for stopping the retracting movement of the supporting arms, it has been the practice to lock the supporting arms in their retracted position such as shown in full line in figure 4 and by slightly rising the arm 74 and 76 so that the abutting member 96 comes into frictional engagement with the bottom of the floor 28 and accordingly, cannot be unintentionally retracted.
....... .
2~2327~
The possibility of pushing the arm 74 and 76 under the truck body 12 is an advantage which permits the truck to back up in closer proximity to a delivery entrance than iE the arms 74 and 76 could not be retracted.
The installation of the loading platform is reinforced by a cross-bar 100 which is welded to the top part of the guiding rails 16 and 18. Each guiding rail 16 and 18 are further solidified by braces 102 extending between the top of the rails 16 and 18 and a portion of the floor 28 forward of the rails.
Similarly, the winch which may be secured to the roof 32 of the truck body 12 is preferably fixed to a structure located at the front of the truck body 12 and more specifically on a post 104 solidified by a prop 106.
As illustrated in figure 8, the winch 26 is operated by a motor M, the latter being actuated by the vehicle battery 108 through a type of double-pole, double-throw switch 110 in order to reverse the rotation of the winch 26.
The present invention allows the full opening at the rear of the truck body to remain fully accessible because the transversal bar can be entirely moved away from the opening or can be moved at any level within the opening.
Claims (6)
1-. A vertically loading platform adapted to be mounted at the rear end of a truck body, said truck body having two lateral walls, a floor and a roof, said platform comprising a guiding rail vertically fixed on each of said lateral walls behind said truck body and extending below said floor, said guiding rails being parallel with each other, a guided plate slidingly mounted in each of guiding rail, a transversal bar for supporting a loading material secured at both ends to said guided plates, a first pulley rotatably fixed on an axle to each of said guided plates above the transversal bar, the axes of said first pulleys being perpendi-cular to said guided plates, a second pulley rotatably fixed adjacent the upper end of each of the guiding rails, both of said second pulleys being located at about the same height in a plane extending between both guiding rails, a third pulley rotatably fixed to one of said guiding rails at the upper end thereof and in a plane perpendicular to said transversal bar, a winch means fixed to the truck body, adjacent the roof, hook means fixed to said roof substantially above the one of said first pulleys facing said third pulley, and a cable extending from said hook means to said winch means and successively through said first and second pulleys of one of said guiding rails, through said second and first pulleys of the other of said guiding rails and through said third pulley, whereby the actuation of said winch means is adapted to raise and lower said loading material mounted on said transversal bar from below the floor of the truck body to a level adjacent the roof of the truck body.
2-. A vertically loaded platform as recited in claim 1, wherein said guiding rails have a C-shaped cross-section forming a throat, said throat facing each other, said guided plates having parallel vertical sides being adapted to slide inside said throats, said transversal bar having a length for maintaining said guide plates inside said throat.
3-. A vertically loaded platform as recited in claim 2, wherein said guided plates have rollers mounted adjacent said vertical sides, said rollers adapted to rotatably ride on said guiding rails inside said throats.
4-. A vertically loading platform as recited in claim 2 comprising a pair of longitudinal arms slidingly mounted across said transversal bar and means for transversally locking said arms to said bar.
5-. A vertically loading platform as recited in claim 2, wherein said guiding rails extend below the floor of the truck body at a distance of about 2/3 the height of the floor.
6-. A vertically loading platform as recited in claim 3, comprising braces between said guiding rails and said floor for maintaining said guiding rails in their vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2023274 CA2023274A1 (en) | 1990-07-26 | 1990-07-26 | Rear loading platform for truck body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2023274 CA2023274A1 (en) | 1990-07-26 | 1990-07-26 | Rear loading platform for truck body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2023274A1 true CA2023274A1 (en) | 1992-01-27 |
Family
ID=4145732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2023274 Abandoned CA2023274A1 (en) | 1990-07-26 | 1990-07-26 | Rear loading platform for truck body |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2023274A1 (en) |
-
1990
- 1990-07-26 CA CA 2023274 patent/CA2023274A1/en not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |