CA2074405A1 - Bucket extension for side mounted refuse bucket - Google Patents
Bucket extension for side mounted refuse bucketInfo
- Publication number
- CA2074405A1 CA2074405A1 CA 2074405 CA2074405A CA2074405A1 CA 2074405 A1 CA2074405 A1 CA 2074405A1 CA 2074405 CA2074405 CA 2074405 CA 2074405 A CA2074405 A CA 2074405A CA 2074405 A1 CA2074405 A1 CA 2074405A1
- Authority
- CA
- Canada
- Prior art keywords
- bucket
- extension
- refuse
- arms
- secured
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/14—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle
Abstract
ABSTRACT OF THE DISCLOSURE
A bucket extension for a refuse vehicle side mounted loading bucket includes a generally U-shaped frame whose arms are pivotally connected to the side walls of the bucket adjacent the pivot axis of the bucket and a flexible skirt or shroud is secured to both the frame and the bucket. The frame is resiliently urged to an extended position which increases the height of the sidle walls and front wall of the bucket so as to effectively increase the capacity of the bucket.
The extension is moveable from the extended position to a retracted position during the compacting stroke of the bucket and may also be secured in its retracted position when the vehicle is used for collecting refuse from conventional domestic trash cans.
A bucket extension for a refuse vehicle side mounted loading bucket includes a generally U-shaped frame whose arms are pivotally connected to the side walls of the bucket adjacent the pivot axis of the bucket and a flexible skirt or shroud is secured to both the frame and the bucket. The frame is resiliently urged to an extended position which increases the height of the sidle walls and front wall of the bucket so as to effectively increase the capacity of the bucket.
The extension is moveable from the extended position to a retracted position during the compacting stroke of the bucket and may also be secured in its retracted position when the vehicle is used for collecting refuse from conventional domestic trash cans.
Description
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This invention relates to a bucket extension for a side mounted refuse bucket.
~ACKGROUND OF THE INVENTION
Canadian Patent No. 1,012,5û0 granted on June 21, 1977 to the present assignee describes a refuse vehicle which is provided with a~side mounted refuse receiving, loading and co~pacting bucket. This arrangement has been successfully operated OD a cs)mmercial basis ~or many years. EsseIItially, the bucket was designed to provide a large loading capacity capable of recei~ing several times the voluîne of conventional, domestic trash cans to avoid the fuel-inefficient need ~f unloading the bucket at frequent intervals. llle bucket was also designed so tha~ the side walls thereof are at as low an elevation as possible to minimize the distance which trash cans must be lifted by the operator to empty them into the bucket. The bucket is moveable from a loading position to a transport position in which the bucket doubles as the side wall of the dump ~odyand, therefore, virtually completely elimiDates the considerable space consumed by the compacting assembly of conventional refuse vehicles. I~e bucket is also moveable from the transport position to a refuse compachng position disposed within the truck body.
A further advantage of the abo~e described side mounted loading bucket is that it can be used advantageously with the animal proof container described in Canadian Patent No. 1,072,511 granted to the presen~ assignee on February 26, 1980. The animal proof container is an apparatus which is particularly intended for use in provincial and federal parks and includes a base ~5 which may be rigidly secured to a concrete pad and a hopper which is pivotally secured to the base and which can be pivoted by hydraulic cylinders between a lower loadiTlg position and an elevated discharge posi~ion. The capaci~ of the hopper is substantial as compared to the capaci~ of the side mounted refuse bucket. The combination of the side mounted bucket and the refuse container render collection of refuse in parks e~tremely simple and efflcient as compared to prior art a~angements. The refuse loading section of conventional refuse vehicles are not c~pen ~and, accordingly, it is irnpossible to emp~ the contents of ; ~.
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This invention relates to a bucket extension for a side mounted refuse bucket.
~ACKGROUND OF THE INVENTION
Canadian Patent No. 1,012,5û0 granted on June 21, 1977 to the present assignee describes a refuse vehicle which is provided with a~side mounted refuse receiving, loading and co~pacting bucket. This arrangement has been successfully operated OD a cs)mmercial basis ~or many years. EsseIItially, the bucket was designed to provide a large loading capacity capable of recei~ing several times the voluîne of conventional, domestic trash cans to avoid the fuel-inefficient need ~f unloading the bucket at frequent intervals. llle bucket was also designed so tha~ the side walls thereof are at as low an elevation as possible to minimize the distance which trash cans must be lifted by the operator to empty them into the bucket. The bucket is moveable from a loading position to a transport position in which the bucket doubles as the side wall of the dump ~odyand, therefore, virtually completely elimiDates the considerable space consumed by the compacting assembly of conventional refuse vehicles. I~e bucket is also moveable from the transport position to a refuse compachng position disposed within the truck body.
A further advantage of the abo~e described side mounted loading bucket is that it can be used advantageously with the animal proof container described in Canadian Patent No. 1,072,511 granted to the presen~ assignee on February 26, 1980. The animal proof container is an apparatus which is particularly intended for use in provincial and federal parks and includes a base ~5 which may be rigidly secured to a concrete pad and a hopper which is pivotally secured to the base and which can be pivoted by hydraulic cylinders between a lower loadiTlg position and an elevated discharge posi~ion. The capaci~ of the hopper is substantial as compared to the capaci~ of the side mounted refuse bucket. The combination of the side mounted bucket and the refuse container render collection of refuse in parks e~tremely simple and efflcient as compared to prior art a~angements. The refuse loading section of conventional refuse vehicles are not c~pen ~and, accordingly, it is irnpossible to emp~ the contents of ; ~.
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the animal proof ref~lse container directly into such collection vehicles, not to mention the fact that, even if i~ was possible to do so, it would reqllire that the refuse vehicle be backed up approximate to the refuse hopper.
A difficulty which has been encountered with the side mounted 5 refuse bucket arrangement is that, because of the capaci~ of the refuse hopper, there is that it sometimes happens that the refuse from the hopper spills out ofthe loading bucket when the hopper is discharged into the bucket. Increasing theheight of the side walls of the loading bucket to avoid such spillage is not an acceptable solution since it would defeat the objective of maintaining a low trash lû can lifting height as mentioned earlier. In addition, increasing the height of the side walls of the loading bucket may interfere with the refuse compacting capability of the bucket. Accorclingly, there is a need for a solution to the above described problem.
1~ SIJM~RY OF THE INVENTION
- It has l~een found that it is possible to modify the side loading bucket arrangement in such a manner as to increase the capacity of the bucket when used in conjunction with parks hoppers while at the same time maintaining the lifting height of the bucket as low as possible. l~is is achieved by providing ~0 a flexible extension which includes a generally U-shaped frame whose arms arepivotally connected ~o the side walls of the bucke$ adjacent the pivot axis of the bucket and a flexible skirt or shroud is secured to both the f~ame and the bucket.
The frame is resiliently urged to an extendsd position which increases the height of the side walls and front wall of the bucket so as to effectively increase the25 capacity of the bucket. The extension is moveable from the extended position to a retracted position during the compacting stroke of the bucket and may also be secured in its retracted position when the vehicle is used for collecting refusefrom conventional domestic trash cans.
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the animal proof ref~lse container directly into such collection vehicles, not to mention the fact that, even if i~ was possible to do so, it would reqllire that the refuse vehicle be backed up approximate to the refuse hopper.
A difficulty which has been encountered with the side mounted 5 refuse bucket arrangement is that, because of the capaci~ of the refuse hopper, there is that it sometimes happens that the refuse from the hopper spills out ofthe loading bucket when the hopper is discharged into the bucket. Increasing theheight of the side walls of the loading bucket to avoid such spillage is not an acceptable solution since it would defeat the objective of maintaining a low trash lû can lifting height as mentioned earlier. In addition, increasing the height of the side walls of the loading bucket may interfere with the refuse compacting capability of the bucket. Accorclingly, there is a need for a solution to the above described problem.
1~ SIJM~RY OF THE INVENTION
- It has l~een found that it is possible to modify the side loading bucket arrangement in such a manner as to increase the capacity of the bucket when used in conjunction with parks hoppers while at the same time maintaining the lifting height of the bucket as low as possible. l~is is achieved by providing ~0 a flexible extension which includes a generally U-shaped frame whose arms arepivotally connected ~o the side walls of the bucke$ adjacent the pivot axis of the bucket and a flexible skirt or shroud is secured to both the f~ame and the bucket.
The frame is resiliently urged to an extendsd position which increases the height of the side walls and front wall of the bucket so as to effectively increase the25 capacity of the bucket. The extension is moveable from the extended position to a retracted position during the compacting stroke of the bucket and may also be secured in its retracted position when the vehicle is used for collecting refusefrom conventional domestic trash cans.
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BRIEF SUM~ Y [)F THE I)RAWINGS
These and other features of the invention will become clearer from the following description in which reference is made to the appended drawings w31erein:
5FIGURE 1 is a perspective view of a side loadirlg refuse vehicle illustrating the load bucket in an elevated, compact refuse compactingposition;
FIGURE 2 is a cross-sectional view ~aken along line 2~2 of FIGURE 1 illustrating the bucket assembly operating strokes; and FIGUR~E 3 is a diagrammatic perspective view of a preferred embodiment 10of the side loading refuse bucket ~xtension of the present invention.
DETAILED DlESCRlPIlON OF THE INYENTION
With reference to FIGURE 1 of the drawings, reference numeral 10 generally designates a self-loading vehicle having a cab 11 and a body 1~. Body 1512 is adapted to receive and store refuse or the like and is tiltable in the usual manner by conventional hydraulic cylinders (not shown). It is provided with doors 13 and a tailgate 14 at the back end thereof through which the refuse is discharged.
Mounted at one side of body 12 is a bucket assembly 20 which includes a 2~0bucket 21 and a plurali1~ of articulated arms 22. As best show in FIGlJRE 1, bucket 21 is mounted for pivotal movement at one end of each alm 22 by pivot pins 23. l'he other ends of arms 22 are fixedly secured, by welding, to a shaft 25 which extends longitudinally of the vehicle and which is mounted for rotation inbearing blocks 26. Bucket 21 is formed with a spring bias pin 28 which extends 2~longitudinally away from the bucket at one end thereof. The pin is adapted to cooperate, during a compacting stroke, with a cam groove 29 formed on the inside wall of body 12. ~ooperation between pin 28 and groove 2~ results in rotation of bucket 12 about pins 23 as anns 22 are angularly advanced in the counterclockwise direction as viewed in FIGUlRE 2. Position A signifies the 30normal refuse receiving position of the bucket. From this position and during its advancement to position B, bucket 21 is held releasably secured to arms 22 by a releasable bucket securing means ~not shown~. Position B is the position at which ..
These and other features of the invention will become clearer from the following description in which reference is made to the appended drawings w31erein:
5FIGURE 1 is a perspective view of a side loadirlg refuse vehicle illustrating the load bucket in an elevated, compact refuse compactingposition;
FIGURE 2 is a cross-sectional view ~aken along line 2~2 of FIGURE 1 illustrating the bucket assembly operating strokes; and FIGUR~E 3 is a diagrammatic perspective view of a preferred embodiment 10of the side loading refuse bucket ~xtension of the present invention.
DETAILED DlESCRlPIlON OF THE INYENTION
With reference to FIGURE 1 of the drawings, reference numeral 10 generally designates a self-loading vehicle having a cab 11 and a body 1~. Body 1512 is adapted to receive and store refuse or the like and is tiltable in the usual manner by conventional hydraulic cylinders (not shown). It is provided with doors 13 and a tailgate 14 at the back end thereof through which the refuse is discharged.
Mounted at one side of body 12 is a bucket assembly 20 which includes a 2~0bucket 21 and a plurali1~ of articulated arms 22. As best show in FIGlJRE 1, bucket 21 is mounted for pivotal movement at one end of each alm 22 by pivot pins 23. l'he other ends of arms 22 are fixedly secured, by welding, to a shaft 25 which extends longitudinally of the vehicle and which is mounted for rotation inbearing blocks 26. Bucket 21 is formed with a spring bias pin 28 which extends 2~longitudinally away from the bucket at one end thereof. The pin is adapted to cooperate, during a compacting stroke, with a cam groove 29 formed on the inside wall of body 12. ~ooperation between pin 28 and groove 2~ results in rotation of bucket 12 about pins 23 as anns 22 are angularly advanced in the counterclockwise direction as viewed in FIGUlRE 2. Position A signifies the 30normal refuse receiving position of the bucket. From this position and during its advancement to position B, bucket 21 is held releasably secured to arms 22 by a releasable bucket securing means ~not shown~. Position B is the position at which ..
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the contents of the bucket are emptied into ~ody 12 arld pin 28 and engages groove 29. This is the normal transport position of the bucket. Position C
signifies the inner most or terminal position of the bucket. Travel of the bucket from position B to position C effects compaction of refuse in the vehicle body.
Once bucket 21 has been adequately filled at position A, a bucket actuating mechanism (not shown) is energized to pivot shaft 25 in a clockwise direction as vie~Ned in FIGUlRE: 2 aDd carry with it bucket 21. As already mentioned, between positions A and B, bucke~ 21 is held releasably secured to arms ~2 in such a manner that the bucket is prevented from pivoting about pins 10 23 in a clockwise direction relative to arms 22. Upon reaching position B, the contents of the bucket will have been deposited into the vehicle body and pin 28will have engaged groove 29. With further advancement of the bucket, the bucket is released from arms 22 and pin 28 will follow cam groove 29 and ¢ause the lower edge of bucket 21 to move inwardly of body 12 relative to the upper edge 1~, and, in so doing, the contents of the body will be compressed. A~ter reaching position C, the actuating mechanism is reversed and the bucket will return to position A or B as desired by the vperator.
As best shown in FIGURE 2, the upper longitudinal edge of the buclcet, when disposed in position A, is at a relatively low height. This is highly desirable 20 in order to reduce the distance over which an operator must lift a trash can. It is highly desirable to maintain a low lifting height. C)n the other hand, when the vehicle is used to collect the contents of park refuse containers of the type - described in Canadian Patent No. 1,072,511, it has been found that refuse tends to spill out from the loading bucket. This difficulty is overcome by the bucket 25 extension illustrated in FIGURE 3.
In accordance with the present invention, there is provided a flexible extension 50 which includes a unita~y, generally U-shaped frame member S2 having a pair of arms 54 which are pivotally connected to the side walls of the bucket adjacent the pivot axis of the bucket. Arms ~4 extend forwa~dly of the 30 bucket, parallel to and on the outer side of the side walls of the bucket and are adapted to abuttingly engage the underside of pins 28. The extension further includes an arcuate frame portio;n 56, centred on the pivot axis of the bucket, , - - . -................................. ~:
., - , - 5 ~ 2 ~ 5 extending upwardly from the free end of the arms. A bar 58 is connected to and extends between the upper, free ends of the arcuate portions. Pins 60, sinnilar to pins 2X, are mounted on each end of the bar, as shown, for engagement with grooves ~9 in the truck body, as explained more fully later. A tension spring 625 extends between a braclcet 64 on the bucket and a lug ~6 secured t~ an arm of the extension, as shown in FIGURE 3, in order to reslliently urge the extension towards its extended position. A similar spring may be provided on the other arm. A skirt or shroud 70 of any suitable rugged, flexible material has a portion of its top edge fixedly secured to the inside edge of the bar and its bot~om edge 1û secured to the inside of the top edges of the side and front walls of t~e bucket.
As mentiolled, the frame is resiliently urged to an extended position which increases the height of the side walls and front wall of the bucket so as to effectively increase ~he capacity of the bucket~ The extension is moveable from this extended position to a retracted position during the compacting stroke of the lS bucket by engagement of pins 60 with grooves 29~ They may also be secured in - its retracted position when the vehicle is used for collectirlg refuse from conventional domestic trash cans~
It will be seen that the bucket extension described above provides a simple and effective solution to the problems mentioned earlier~ It will be understood 20 that various modifications rnay be made to the invention without departing from the spirit o~ the appended claims~ For example, its will be understood that the arcuate members described above not be arcuate; they may be straight mernber interconnecting an end of the cross bar with the free of une of the arms~
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the contents of the bucket are emptied into ~ody 12 arld pin 28 and engages groove 29. This is the normal transport position of the bucket. Position C
signifies the inner most or terminal position of the bucket. Travel of the bucket from position B to position C effects compaction of refuse in the vehicle body.
Once bucket 21 has been adequately filled at position A, a bucket actuating mechanism (not shown) is energized to pivot shaft 25 in a clockwise direction as vie~Ned in FIGUlRE: 2 aDd carry with it bucket 21. As already mentioned, between positions A and B, bucke~ 21 is held releasably secured to arms ~2 in such a manner that the bucket is prevented from pivoting about pins 10 23 in a clockwise direction relative to arms 22. Upon reaching position B, the contents of the bucket will have been deposited into the vehicle body and pin 28will have engaged groove 29. With further advancement of the bucket, the bucket is released from arms 22 and pin 28 will follow cam groove 29 and ¢ause the lower edge of bucket 21 to move inwardly of body 12 relative to the upper edge 1~, and, in so doing, the contents of the body will be compressed. A~ter reaching position C, the actuating mechanism is reversed and the bucket will return to position A or B as desired by the vperator.
As best shown in FIGURE 2, the upper longitudinal edge of the buclcet, when disposed in position A, is at a relatively low height. This is highly desirable 20 in order to reduce the distance over which an operator must lift a trash can. It is highly desirable to maintain a low lifting height. C)n the other hand, when the vehicle is used to collect the contents of park refuse containers of the type - described in Canadian Patent No. 1,072,511, it has been found that refuse tends to spill out from the loading bucket. This difficulty is overcome by the bucket 25 extension illustrated in FIGURE 3.
In accordance with the present invention, there is provided a flexible extension 50 which includes a unita~y, generally U-shaped frame member S2 having a pair of arms 54 which are pivotally connected to the side walls of the bucket adjacent the pivot axis of the bucket. Arms ~4 extend forwa~dly of the 30 bucket, parallel to and on the outer side of the side walls of the bucket and are adapted to abuttingly engage the underside of pins 28. The extension further includes an arcuate frame portio;n 56, centred on the pivot axis of the bucket, , - - . -................................. ~:
., - , - 5 ~ 2 ~ 5 extending upwardly from the free end of the arms. A bar 58 is connected to and extends between the upper, free ends of the arcuate portions. Pins 60, sinnilar to pins 2X, are mounted on each end of the bar, as shown, for engagement with grooves ~9 in the truck body, as explained more fully later. A tension spring 625 extends between a braclcet 64 on the bucket and a lug ~6 secured t~ an arm of the extension, as shown in FIGURE 3, in order to reslliently urge the extension towards its extended position. A similar spring may be provided on the other arm. A skirt or shroud 70 of any suitable rugged, flexible material has a portion of its top edge fixedly secured to the inside edge of the bar and its bot~om edge 1û secured to the inside of the top edges of the side and front walls of t~e bucket.
As mentiolled, the frame is resiliently urged to an extended position which increases the height of the side walls and front wall of the bucket so as to effectively increase ~he capacity of the bucket~ The extension is moveable from this extended position to a retracted position during the compacting stroke of the lS bucket by engagement of pins 60 with grooves 29~ They may also be secured in - its retracted position when the vehicle is used for collectirlg refuse from conventional domestic trash cans~
It will be seen that the bucket extension described above provides a simple and effective solution to the problems mentioned earlier~ It will be understood 20 that various modifications rnay be made to the invention without departing from the spirit o~ the appended claims~ For example, its will be understood that the arcuate members described above not be arcuate; they may be straight mernber interconnecting an end of the cross bar with the free of une of the arms~
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Claims (3)
1. A bucket extension for a side mounted refuse loading comprising:
a generally U-shaped frame member having a pair of parallel spaced apart arms, a cross member extending between adjacent ends of said arms, a connecting member extending between each end of said cross member and one end of one of said arms, a flexible shroud having a top edge rigidly secured to said cross member along the length thereof, and means interconnecting said frame member and a bucket on which said extension is mounted whereby to urge said extension toward an extended position, each said arm, remote from said cross member, being adapted to be pivotally secured to a side wall of said bucket adjacent thepivot axis of said bucket, the bottom edges of said shroud being adapted to be pivotally secured to said bucket adjacent the upper edges of the side and front walls thereof whereby to form, in the extended position of said extension, extended side and front bucket walls.
a generally U-shaped frame member having a pair of parallel spaced apart arms, a cross member extending between adjacent ends of said arms, a connecting member extending between each end of said cross member and one end of one of said arms, a flexible shroud having a top edge rigidly secured to said cross member along the length thereof, and means interconnecting said frame member and a bucket on which said extension is mounted whereby to urge said extension toward an extended position, each said arm, remote from said cross member, being adapted to be pivotally secured to a side wall of said bucket adjacent thepivot axis of said bucket, the bottom edges of said shroud being adapted to be pivotally secured to said bucket adjacent the upper edges of the side and front walls thereof whereby to form, in the extended position of said extension, extended side and front bucket walls.
2. A bucket extension as defined in claim 1, said interconnecting means being at least one tension coil spring.
3. A bucket extension as defined in claim 2, said connecting members being arcuate and centered on the pivot axis of said bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2074405 CA2074405A1 (en) | 1992-07-22 | 1992-07-22 | Bucket extension for side mounted refuse bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2074405 CA2074405A1 (en) | 1992-07-22 | 1992-07-22 | Bucket extension for side mounted refuse bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2074405A1 true CA2074405A1 (en) | 1994-01-23 |
Family
ID=4150189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2074405 Abandoned CA2074405A1 (en) | 1992-07-22 | 1992-07-22 | Bucket extension for side mounted refuse bucket |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2074405A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6077020A (en) * | 1996-10-15 | 2000-06-20 | Haul-All Equipment Ltd. | Garbage or recyclable materials handling system |
| US9102466B2 (en) | 2012-01-01 | 2015-08-11 | Haul-All Equipment Ltd. | Waste collection vehicle with bucket drive mechanism |
-
1992
- 1992-07-22 CA CA 2074405 patent/CA2074405A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6077020A (en) * | 1996-10-15 | 2000-06-20 | Haul-All Equipment Ltd. | Garbage or recyclable materials handling system |
| US9102466B2 (en) | 2012-01-01 | 2015-08-11 | Haul-All Equipment Ltd. | Waste collection vehicle with bucket drive mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |