US20020017529A1 - Waste handling intermodal container with sliding lid, side-hinged, end-mounted dump door and swing-away header - Google Patents
Waste handling intermodal container with sliding lid, side-hinged, end-mounted dump door and swing-away header Download PDFInfo
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- US20020017529A1 US20020017529A1 US09/751,033 US75103300A US2002017529A1 US 20020017529 A1 US20020017529 A1 US 20020017529A1 US 75103300 A US75103300 A US 75103300A US 2002017529 A1 US2002017529 A1 US 2002017529A1
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- lid
- container
- door
- container body
- opening
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- 239000002699 waste material Substances 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000033001 locomotion Effects 0.000 description 17
- 230000000712 assembly Effects 0.000 description 11
- 238000000429 assembly Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 238000009432 framing Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 5
- 230000000284 resting effect Effects 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
- B65F1/16—Lids or covers
- B65F1/1623—Lids or covers with means for assisting the opening or closing thereof, e.g. springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
- B65F1/16—Lids or covers
- B65F1/1615—Lids or covers with means for locking, fastening or permanently closing thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S220/00—Receptacles
- Y10S220/908—Trash container
Definitions
- the present invention relates to the field of waste handling containers and specifically to an intermodal container having a very large lid and a combination sliding and pivoting mechanism to facilitate opening and closing the lid, and having a side-hinge-mounted door at one end of the container, the hinge and latching mechanism for the door being retractable to pull the door into a sealing relationship with the container whereby all components of the container are within the confines of corner blocks of the container, and having a header at the doored-end of the container that provides the guiding elements for the sliding and pivoting action of the lid and which operates to swing away from the opening along the inside of the container.
- Hazardous waste materials are frequently transported to disposal facilities in very large waste handling containers.
- a typical such container might measure 8′ ⁇ 18′ ⁇ 5′ with an opening in the top thereof measuring 7′ ⁇ 14′.
- a one-piece lid must cover the entire opening and form a tight seal against the container body to prevent the hazardous materials from escaping during transport.
- U.S. Pat. No. 4,934,562 wherein the lid has a downwardly extending, longitudinal flange which rides along rollers positioned on top of the container.
- a complicated screw-type mechanism is used to raise the lid from a sealed position, and then the lid is slid laterally along the rollers roughly half its width until a pair of spring-biased hooks catch corresponding hinge bars at the edge of the top of the container.
- the lid is thus hingedly connected to the top of the container and is pivoted to the side and out of the way of the opening.
- the lid can easily be de-railed from its tracks.
- the above described containers are desired to be intermodal. That is, it is desired that they be capable of being transported by a number of different vehicles, such as, for example, a truck, a train or a ship. In multiple container transport such as on a ship, it is desired to stack the containers side by side, end to end, or on top of each other while still maximizing the amount of internal container space.
- a typical intermodal container has a set of corner blocks at each of the eight corners of the container, the corner blocks of one container abutting the corner blocks of the adjacent stacked container. All container components, including container walls, doors and lids, must not extend beyond the plane or boundaries defined by the eight corner blocks. It is, therefore, desired to provide an intermodal container with a side-hinged, end-opening door that maximizes the internal container room and yet satisfies intermodal container transport specifications.
- What is desired is a container that has a side-hinged, end-opening door, a large lop-mounted, sliding lid, a configuration that permits for intermodal transport, and a configuration which permits driving of a forklift directly into the container.
- a large waste handling, intermodal container with a large opening in its top has a low profile lid which can be slid and pivoted to either side of the container by a single person with little difficulty, has a rear dump door hingedly mounted at the rear, along one side by a retractable hinge assembly that pulls the door tightly against the container to seal shut the rear opening, and has a swing away header to open up the rear opening for the ingress and egress of loading vehicles.
- a waste handling, intermodal container includes a container body having left and right sides, a rear, a top, an upwardly facing top opening in the top, and a rear opening in the rear; a lid sized to cover said top opening and having a closed and clamped position tightly covering and sealing the top opening and an open position including said lid being vertically positioned along one side of the container body; a lid control and support mechanism connected with the lid and the container to support the lid and to permit the lid to be slid and pivoted between the closed and clamped position and the open position; a rear door hingedly connected along one side of the container to close off the rear opening; and, a retractable hinge assembly operable to retract the door tightly against the rear of the container body to seal the rear opening and to extend the door rearwardly to enable the door to be pivotally opened at the hinge assembly to a position alongside one side of the container body.
- FIG. 1 is a perspective view of a waste handling container 10 with a sliding and pivoting lid 15 in accordance with the preferred embodiment of the present invention.
- FIG. 2 is a plan view of the waste handling container 10 of FIG. 1 with the lid 15 in the closed and locked position.
- FIG. 3 is a fragmented cross-sectional view of the container 10 of FIG. 2 taken along the lines 3 - 3 and viewed in the direction of the arrows, with a portion of the container body 11 broken away to expose the sealing flange 21 and the channels 22 b and 22 d in cross-section, and with the lid 15 in the closed and clamped position.
- FIG. 4 is a fragmented cross-sectional view of the container 10 shown in FIG. 3, here showing lid 15 in the closed and unclamped position biased upwardly by the suspension units 28 .
- FIG. 5 is a fragmented cross-sectional view of the container of FIG. 4, here s howing lid 15 position ed laterally along guide rail 26 from the closed and unclamped position.
- FIG. 6 is a cross-sectional view of the container 10 taken along the lines 6 - 6 of FIG. 2 and viewed in the direction of the arrows, with portions broken away for clarity.
- FIG. 7 is a cross-sectional view of the container 10 taken along the lines 7 - 7 of FIG. 6 and viewed in the direction of the arrows.
- FIG. 8 is a cross-sectional view of a portion of the container taken along the lines 8 - 8 of FIG. 2 and viewed in the direction of the arrows.
- FIG. 9 is a cross-sectional view of one of the end rollers 67 and roller brackets 74 .
- FIG. 10 is a bottom cross-sectional view of roller assembly 66 taken along the lines 10 - 10 of FIG. 4 and viewed in the direction of the arrows.
- FIG. 11 is a cross-sectional view of a portion of roller assembly 66 taken along the lines 11 - 11 of FIG. 4 and viewed in the direction of the arrows.
- FIGS. 12 - 14 are side, cross-sectional views similar to those of FIGS. 3 - 5 showing the pivoting motion of lid 15 to its vertical resting position alongside container body 11 .
- FIG. 15 is a fragmented cross-sectional view of an alternative embodiment of the container 10 of FIG. 2 taken along the lines 3 - 3 and viewed in the direction of the arrows, with a portion of the container body broken away to expose the sealing flange 21 and the channels 22 b and 22 d in cross-section, and with lid 15 in the closed and unclamped position biased upwardly by the spring loaded roller assemblies.
- FIG. 16 is a cross-sectional view of the an alternative embodiment of the container 10 of FIG. 2 taken along the lines 6 - 6 and viewed in the direction of the arrows, with portions broken away for clarity and corresponding to the container shown in FIG. 15.
- FIG. 17 is a side elevational view of the portion of the container shown in FIG. 16.
- FIG. 18 is a side elevational view of an intermodal container with a side-hinged, end-mounted door, a large top-mounted, sliding lid, and swing-away header in accordance with the preferred embodiment of this embodiment of the invention and with door 218 shown retracted to the sealed and closed position.
- FIG. 19 is a fragmented, perspective view of the intermodal container of FIG. 18 showing the door in the unsealed and closed position.
- FIG. 20 is a side, fragmented view of the upper, right rear side of the intermodal container of FIG. 18 with the door pulled into the closed and sealed position.
- FIG. 21 is a fragmented perspective of the intermodal container of FIG. 19 showing door 218 in the fully opened position.
- FIG. 22 is a plan view of the rear of the intermodal container of FIG. 18 showing on the left thereof swing-away header 277 in the transport position across the rear of container body 211 and with the right-side portions of swing-away header 277 broken away for purposes of description, and showing at the right side of FIG. 22 swing-away header 277 pivoted to the container loading position 278 .
- FIG. 23 is a fragmented, cross-sectional view of the intermodal container of FIG. 22 taken along the lines 22 - 22 and viewed in the direction of arrows and showing swing-away header 277 in the down, transport position.
- FIG. 24 is a fragmented, cross-sectional view of the intermodal container of FIG. 23 showing swing-away header 277 in the up position.
- Container 10 generally includes a container body 11 with a large rectangular-shaped opening 12 defined in its top 13 ; a sliding lid 15 to removably close off and seal opening 12 ; and, a door 17 hingedly mounted at hinges 18 to top 13 to sealably close off the one open end 16 of container body 11 .
- Container 10 is adapted to sit on the ground with lid 12 pivoted to either side of container body 11 as shown in FIG. 1 and to receive waste materials through opening 12 .
- lid 15 may easily be pivoted to a horizontal position and slid closed and locked down by one person, as described herein.
- Container 10 may then be safely transported to a disposal site where door 17 may be released and pivoted about hinges 18 to release the container contents.
- container body 11 generally includes a welded skeleton of rectangular cross-sectioned tubing with steel panels welded thereto. Included in the container skeleton are upper rectangular cross-sectioned tubing members 20 which extend around the periphery of and generally frame the top 13 of body 11 .
- Four flat, bar stock members 19 are fixed together and to tubing members 20 to define rectangular opening 12 and to collectively form an upstanding rectangular sealing flange 21 .
- Sealing flange 21 extends above tubing members 20 to permit full engagement with sealing channel 22 of lid 15 , that is, so that sealing channel 22 does not contact the top of tubing members 20 when lid 15 and its sealing channels 22 are pulled downwardly into the sealed position.
- Container 10 also includes a lid support assembly for holding, guiding, pivoting and generally enabling the nearly effortless opening and closing of lid 15 .
- This lid support assembly includes a pair of guide rail assemblies 25 mounted to container body 11 at opposite sides of opening 12 , and includes a corresponding pair of combination roller units 23 and 24 mounted at opposite ends of lid 15 .
- the two guide rail assemblies 25 are identical and the following description will apply equally to both. Referring to FIGS. 1, 3, 6 and 7 , assembly 25 includes a longitudinal tubular guide rail 26 supported at its opposite ends by and fixedly connected to posts 27 . Posts 27 are mounted for vertical reciprocal movement relative to container body 11 by guide rail suspension units 28 .
- Units 28 are mounted to and exteriorly of container body 11 , but are enclosed by hingedly mounted cover boxes 31 .
- Each suspension unit 28 includes a pair of spaced apart carriage bolts 29 which extend downwardly through holes in framing 20 .
- a generally flat, rectangular spring base 30 has a pair of holes 33 spaced to enable base 30 to receive a corresponding pair of the bolts 29 therethrough as shown in FIG. 6.
- a pair of nuts 34 l on each carriage bolt 29 supports base 30 and defines the position of base 30 relative to bolts 29 and to framing 20 . Adjustment of nuts 34 thereby permits the position of base 30 to be vertically varied relative to framing 20 .
- Each post 27 extends downwardly from its connection to guide rail 26 , through holes 35 and 36 in framing 20 , and through aligned hole 37 in base 30 .
- a lower cylindrical collar 38 is rigidly secured atop spring base 30 and is coaxially aligned with hole 37 to surround post 27 .
- An upper collar 39 is also cylindrical, surrounds post 27 above lower collar 38 and is adjustably fixed to post 27 as by a set screw 40 .
- Upper collar 39 is sized larger than hole 36 of framing 20 . The upper limit of travel of collar 39 , and thus post 27 and rail 26 attached thereto, is thereby adjustably determined.
- Upper collar 39 also includes an outwardly extending annular flange 42 about midway along its height.
- a coil spring 43 encircles both collars 38 and 39 and extends vertically between flange 41 and spring base 30 .
- Guide rail 26 and its posts 27 are thereby biased upwardly by the springs 43 , but may be forced downwardly until upper collar 39 contacts lower collar 38 which is, of course, precluded from moving downward by base 30 and nuts 34 .
- This downward limit is generally not reached in operation, however, because the downward movement of lid 15 will be limited by the engagement of sealing channel 22 with sealing flange 21 before collars 38 and 39 ever touch.
- Vertical adjustment of base 30 then serves to vary the spring force of spring 43 acting to bias guide rail upwardly.
- the sizing of collars 38 and 39 , the positionment of upper collar 39 and the properties of spring 43 may all be selected as desired to upwardly support lid 15 at all stages of positionment thereof and to provide the desired resistance to closing and locking of lid 15 by locking clamps 54 .
- Guide rail 26 is a circular cross-sectioned pipe having beveled ends 46 which connect to their corresponding posts 27 .
- Posts 27 both support guide rail 26 and form stops which engage with roller assemblies 66 as described herein.
- End caps 47 are fixedly secured to corresponding ends 46 of rail 26 and to the connecting posts 27 .
- caps 47 follow the slope of the bevel of ends 46 at an angle of about 22°, and caps 47 have a thickness of one quarter inch, thereby providing a centering function for lid 15 as described herein.
- lid 15 is generally composed of extruded sealing channels 22 a - 22 d , arcuate lid panel supports 48 , lid cover panel 49 and combination roller units 23 and 24 .
- Each channel 22 a - 22 d generally includes a C-section channel portion 50 and a rib portion 51 extending upwardly therefrom (FIG. 8).
- the C-sectionX channel portion 50 holds therein a resilient sealing gasket material 52 made of a rubber-type material appropriate for forming a tight sealing relative to the waste materials to be hauled. Selection of such an appropriate material is believed to be well known in the industry.
- Channel portion 50 defines a longitudinal opening 60 (approximately 1.75 inches wide in one embodiment) through which sealing flange 21 can extend and engage the gasket material 52 to tightly and safely seal lid 51 over opening 12 .
- the thickness is increased to form a longitudinal bulbous edge 53 which runs at least at portions of, and preferably the entire length of, channel 22 to engage with a series of lid locking clamps 54 .
- the thickness of the entire upper segment 55 has been thickened.
- the thickness of channel portion 50 to the inside of rib portion 51 is about 0.125 inches, and the inside dimensions of channel portion 50 measure approximately one inch high by two and one half inches wide, segment 55 has a thickness 50 percent greater than the remainder of channel portion 50 and a bulbous edge 53 which protrudes upwardly of segment 55 by approximately 0.066 inches and outwardly of outer side segment 56 by approximately 0.128 inches.
- This design is believed to enhance the torsional strength of channels 22 a - 22 d , and thus lid 15 , as well as the reliability of lid locking clamps 54 .
- a longitudinal, lid panel support flange 57 extends inwardly and slightly upwardly therefrom, at an angle of approximately 94° from the rib portion therebelow.
- flange support 57 extended outwardly from rib portion 51 to leave a gap of approximately 0.0974 inches between flange support 57 and the top 59 of rib portion 51 , thereby leaving a longitudinal ledge 58 in each channel 22 a - 22 d .
- Lid cover 49 is seated within the ledges 58 of the longer opposing channels 22 b and 22 d and fixed thereto as by welding. (FIG. 8).
- lid cover 49 is fixed as by welding to the inner, vertical sides of the two corresponding combination roller units 23 and 24 .
- lid panel supports 48 which span the width of lid 15 (FIG. 1). Supports 48 are arcuate at their upper sides 61 . Lid panel 49 rests atop and are welded to arcuate supports 48 with the edges of lid panel 49 fixed to opposing channels 22 b and 22 d and to combination roller units 23 and 24 , as described above.
- unit 24 includes a partially enclosing housing 65 , a centrally located roller assembly 66 and a pair of end rollers 67 and 68 .
- Housing 65 is a downwardly opening channel made of longitudinal sheet with a pair of right angle bends.
- the resulting housing includes a long inner side 69 , a short outer side 70 , and a top base 71 therebetween (FIG. 6).
- a flat longitudinal access plate 64 is bolted to short side 70 to partially cover roller assembly 66 and rollers 67 and 68 , but is removable to permit access thereto for servicing.
- Housing 65 of roller unit 24 is fixedly secured in planar abutment to rib portion 51 of its corresponding sealing channel 22 c at one end of lid 15 by appropriate means such as welding.
- Each end roller 67 and 68 is held for rotation by a roller bracket 74 which is fixed to both base 71 and inner side 69 , as shown.
- Roller assembly 66 helps to support lid 15 upon guide rail 26 and operates in conjunction with guide rail 26 to permit lid 15 to hingedly pivot to either side of container body 11 as follows.
- roller assembly 66 includes a pair of support rollers 72 and 73 which are mounted to top base 71 by brackets 77 and 78 , respectively and includes a pivot link 75 and a connecting link 76 .
- Brackets 77 and 78 hold their corresponding rollers 72 and 73 for rotation about axles 89 and 90 in a manner similar to the way brackets 74 hold their end rollers 67 and 68 . That is, referring to roller 67 as shown in FIG. 9, a pipe member 80 extends through a central passageway in roller 67 and between the pair of downwardly extending bracket arms 81 and 82 of the bracket 74 .
- a bolt 85 extends through aligned holes 83 and 84 in bracket arms 81 and 82 , respectively, and through pipe member 80 and roller 67 to form an axle therewith.
- a nut 86 secures bolt 85 in place.
- Pivot link 75 is actually two identically shaped pivot links 75 (FIGS. 3 and 10),, each including a central body portion 91 and a retaining arm 92 .
- the two pivot links 75 are each pivotally mounted at one of their ends to the axle 89 of roller 72 , outside of the opposing, downwardly extending bracket arms 93 and 94 of bracket 77 .
- connecting link 76 is actually two identically shaped connecting links 76 which are pivotally connected at one of their ends by hinge pin 97 to corresponding links 75 and are pivotally and slidably connected at their opposite ends to axle 90 of roller 73 .
- Bracket arms 99 and 100 are generally coplanar with pivot links 75
- bracket arms 93 and 94 are generally coplanar with connecting links 76 .
- the two retaining arms 92 of pivot links 75 extend downwardly therefrom at an angle and on opposite sides of guide rail 26 (FIGS. 3 and 11).
- a pin 101 extends between and is fixed to the two arms 92 below guide rail 26 .
- An auxiliary support roller 102 is rotatably supported between pivot links 75 by an axle 103 at roughly the intersection between central body portion 91 and retaining arm 92 .
- roller assembly 66 is essentially locked to guide rail 26 at all times.
- lid 15 and its rollers 67 , 68 , 72 and 73 may be lifted only a short distance away from guide rail 26 before pin 101 L engages the bottom of guide rail 26 .
- Links 75 and 76 of roller assembly 66 may then pivot somewhat (about axles 89 and 90 and pin 97 ) to permit an additional degree of movement of lid 15 upwardly from guide rail 26 ; however, a limit is ultimately reached where lid 15 can be lifted no more.
- roller assembly 66 and guide rail 26 also defines the limits of lateral movement of lid 15 .
- lid 15 is held fairly securely to move only along rails 26 as described below. While the weight of lid 15 alone would be adequate to keep lid 15 resting atop guide rail 26 , a heavy wind gust could easily lift lid 15 up and off of container body 11 .
- the present configuration of guide rail 26 and roller assembly 66 with pin 101 prevents this from happening.
- a set of four, L-shaped, nylon, wear strips 105 (FIGS. 1, 3, 6 an 7 ) are secured on both sides of container body 11 to tubular framing 20 at positions appropriate to engage with each of the two roller assemblies 66 during the pivoting action of lid 15 as described below.
- Two nylon bearing pads 106 (FIGS. 1, 6 and 7 ) are fixed to the outer sides of the channel portions 50 of each of the end sealing channels 22 a and 22 c of lid 15 .
- Each bearing pad 106 is secured to a mounting plate 107 by recessed screws 108 , and each mounting plate 107 is secured as by welding to its corresponding channel 22 a or 22 c .
- pads 106 of each channel 22 a and 22 c are spaced mutually apart so that there is a paid at each corner of lid 5 , as seen in FIG. 7.
- pads 106 are sized relative to the corresponding components to engage the corresponding guide rails 26 when necessary to assure that lid 15 remains on track on guide rails 26 .
- Each clamp 54 includes a fulcrum lever arrangement 110 (FIG. 1), as is well known in the art, which allows a rod 111 to be drawn a short distance downward with great force through movement of a hand lever 112 with application of little force.
- Lever arrangement 110 is preferably of the type permitting adjustment of the position and/or stroke of rod 111 .
- Rod 111 extends from lever arrangement 110 up through slots 113 and 114 defined in tubular framing 20 .
- a hook member 115 is secured as by welding at the top 116 of rod 111 and above tubular framing 20 .
- Hook 115 of each clamp 54 is thereby adapted to engage and lock with a corresponding section of bulbous edge 53 of channels 22 b and 22 d .
- a chain and hook combination is provided to secure each locking clamp 54 in the locked position to ensure that locking clamps 54 , and thereby lid 15 , stay locked down during transport.
- lid 15 is; opened and sealably closed as follows:
- FIG. 3 shows lid 15 in the closed and clamped position where the eight clamps 54 are lockingly engaged with the corresponding sealing-channels 22 b and 22 d , and sealing channels 22 a - 22 d and their gaskets 52 are sealingly engaged with the upstanding sealing flange 21 .
- each chain 117 is released from its hook 118 and hand lever 112 is pivoted upwardly which moves rod 111 and its hook 115 to an upwardly disengaged position indicated at 119 in FIG. 8.
- hook 115 is high enough to be totally disengaged from and spaced above the corresponding channel 22 b or 22 d and rods 111 and their hooks 115 then may be pivoted outwardly within slots 113 and 114 and completely clear of lid 15 while hand levers 112 are pivoted back down, which pulls the corresponding rod 111 to a downward and outward disengaged position at 120 .
- suspension units 28 bias guide rails 26 , and lid 15 riding thereupon, upwardly to the limit defined by upper collars 39 , which are secured to posts 27 . With all of rod 111 and hooks 115 outwardly clear of lid 15 , suspension units 28 have raised lid 15 to a closed and unclamped position (FIG.
- lid 15 upwardly clear of sealing flange 21 and above the top 116 of each rod 111 .
- One of two handles 121 on either side of lid 15 may then be grasped and pulled, which moves lid 15 laterally to that side along guide rails 26 (FIG. 5).
- roller assembly 66 The configuration, sizing and placing of roller assembly 66 and its rollers 72 and 73 is such that lid 15 is fairly well balanced as it pivots at this one end of container body 11 so that the operator grasping handle 121 can fairly easily lower the end of lid 15 that he or she is holding as it pivots (FIG. 13) through roughly a 90° angle to the open and resting position shown in FIG. 14.
- the connecting link 76 moves somewhat laterally by virtue of its slot 98 and axle 90 to the extreme shown in FIG. 14, at which point lid 15 is generally supported by the retaining arm 92 of pivot link 75 resting on nylon wear strips 105 .
- the relative dimensions of the components, specifically of: roller assembly 66 are as shown in FIGS. 3 - 5 and 12 - 14 , this particular configuration providing a smooth sliding and pivoting operation of lid 15 .
- end caps 47 To close and seal lid 15 , the reverse procedure is generally performed. That is, handle 121 is grasped and lifted to pivot lid 15 generally about pin 101 . When lid 15 has substantially reached a horizontal position, the operator pushes lid 15 to slide it completely atop container 11 . The ramped configuration of end caps 47 facilitate the engagement of rollers 73 , 102 , 72 and 67 as they contact guide rail 26 . As referred to above, end caps 47 have a thickness such that, as the operator pushes lid 15 toward a closed position, the leading end roller (here, roller 68 ) reaches the corresponding far end cap 47 (here, designated as 122 in FIG. 3), and engages it.
- the leading end roller here, roller 68
- Container body 11 is also provided with a number of air vents 125 with screw caps 126 which can be partially or completely removed to enable the release of pressurized gases which may build up while lid 15 is closed.
- lid support assembly 130 for supporting a container lid 15 for sliding and pivoting movement relative to the container 10 .
- lid support assembly 130 of FIGS. 15 and 16 includes a pair of guide rails 133 and a pair of guide channels 134 fixed to the top 13 of container 10 , at opposite ends of opening 12 , and in place of guide rail assemblies 25 .
- Lid support assembly 130 further includes a pair of combination roller units 135 mounted to and at opposite ends of lid 15 in place of roller units 23 and 24 .
- the pairs of guide rails 133 , guide channels 134 and roller units 135 , at opposite sides of opening 12 and lid 15 are essentially mirror images of each other and description of only one member of any of the three pairs will be understood to apply to the corresponding other of the pair.
- Combination roller units 135 extend outwardly from each end of lid 15 , just outside or sealing channels 22 a and 22 c . Sealing channels 22 a - 22 d have roughly the same configuration as described in prior embodiments except that lid 15 is constructed to have a lower profile.
- Combination roller unit 135 includes a housing 140 with a head plate 141 extending horizontally outwardly from the side of lid 15 . Head plate 141 angles downwardly at its outboard edge to form a side plate section 142 .
- a pair of spring-loaded, outer roller assemblies 143 are mounted to the underside, and at opposing ends of head plate 141 so that there is essentially a roller assembly 143 at each of the four corners of lid 15 .
- Each roller-assembly 143 includes a downwardly opening, C-shaped mounting bracket 146 , a roller mounting fork 147 pivotally mounted to one end of bracket 146 , an end roller 148 rotatably mounted at pin 151 to fork 147 , and a spring 149 ).
- Bracket 146 defines a downwardly extending spring-mounting portion 150 opposite the end where fork 147 is mounted.
- Fork 147 is pivotally mounted at its upper portion to bracket 146 via a pin 152 .
- Fork 147 defines a pivot stop surface 154 which is configured to engage with the underside of bracket 146 and to permit fork 147 to pivot only outwardly (counterclockwise but not clockwise for the fork 147 on the right in FIG.
- a spring-mounted, center roller assembly 159 is mounted to the underside of head plate 141 , roughly midway between the outer two roller assemblies 143 .
- Assembly 159 is similar in structure to the outer roller assemblies 143 , except that it has pivotally mounted thereto a mirror image pair of roller mounting forks 160 and 161 configured to mutually or individually pivot only outwardly from their rest positions shown in FIG. 15. That is, fork 160 can pivot only clockwise and fork 161 can pivot only counterclockwise from the shown rest positions about their pivot pins 162 and 163 , respectively.
- a spring 165 extends in tension between forks 160 and 161 at the spring mounting pins 166 and 167 , respectively, to pull forks 160 and 161 together to their respective rest positions.
- Rollers 168 are rotatably mounted at the outboard ends of forks 160 and 161 by pins 169 .
- follower arm 170 is pivotally mounted at one end via pin 171 to the center roller bracket 172 , pin 171 being between pins 162 and 163 .
- Arm 170 includes an axle member 173 extending generally orthogonally outwardly therefrom.
- a follower roller 175 is rotatably mounted at the outboard end of axle member 173 .
- Arm 170 is configured and mounted to bracket 172 so that roller 175 is roughly midway between rollers 168 , as viewed in FIG. 15.
- Rail 133 has an inverted, T-shaped cross-section and is fixedly mounted to the top 13 of container 10 just outside of opening 12 in a position aligned below the rollers 148 and 168 so that lid 15 will be centered over opening 12 .
- the inverted T-shape of rail 133 is formed by a flat base plate 177 and a narrower-width guide bar 178 centeredly fixed thereatop.
- Each of rollers 148 and 168 is grooved to engage with and strictly follow the inverted, T-shape rail 133 , as shown in FIG. 16.
- Guide channel 134 has a hook-shaped cross-section and runs the width of container 10 , alongside of rail 133 .
- each end of channel 134 is an end plate 183 fixedly connected thereto to constrain roller 175 to stay within guide channel 134 , and not to roll outside of either end thereof.
- Braces 186 extend as needed between channels 22 a and 22 c and the corresponding housing 140 (as shown in FIG. 16) to provide support and more rigidly connect housings 140 to lid 15 .
- Each brace 186 is welded to and extends generally from the junction of the channel portion 50 and rib portion 51 to the junction of head plate 141 and side plate section 142 .
- follower arm 170 defines a pivot stop surface 185 at its top to constrain arm 170 to pivot only from the rest position (shown in FIGS. 15 and 16) counterclockwise (as viewed in FIG. 15). Because arm 170 cannot pivot (clockwise in FIG. 15) beyond its rest position, and because roller 175 cannot rise above the top horizontal side 181 , lid 15 is precluded from rising farther than is shown in FIG. 15.
- lid 15 is biased upwardly from container 10 and from sealing engagement with sealing flange 21 , but only to the limited height permitted by the top side 181 via follower arm 170 .
- the locking clamps 54 are engaged, as described in prior embodiments, to pull lid 15 into tight sealing engagement with container 10 .
- forks 147 , 160 and 161 pivot about their pins 152 , 162 and 163 , respectively, against the bias of their springs 149 and 165 .
- Lid 15 pivots in a manner similar to the lid 15 of FIG. 1.
- rollers 175 engage with and are stopped by the corresponding end plates 183 of guide channels 134 .
- Lid 15 may then be pivoted, similarly to that shown in FIG. 1, about rollers 175 until lid 15 has rotated about 90° to its open position against the side of container 10 .
- Container 210 includes a container body 211 and a sliding lid 212 that is operable as described above and disclosed in FIGS. 15 through 17 to slide upon the top of container body 211 by virtue of a variety of rollers 215 , mounted to lid 212 , that roll upon guide rails 216 , lid 212 being governed to slide to either side of container body 211 and then to pivot at the edge thereof to a vertically disposed, open position as described above and shown generally in FIGS. 1 and 14 by virtue of follower rollers riding within guide channels 214 .
- Container 210 is intermodal. That is, a single container 210 is configured to be transported by a number of different vehicles such as a truck, a train or a ship.
- Container 210 includes cast corner blocks 217 , one at each of the eight corners of container body 211 .
- a number of containers such as container 210 are shipped together such as in the hold of a ship, it is desired to maximize the available space by arranging the containers as close to one another, both horizontally and vertically, as possible.
- the containers are stacked side by side, end to end, or on top of each other, it is the blocks 217 of like size containers that come in contact with each other. All remaining components of the container must therefore lie within the planar boundaries of the eight corner blocks 217 .
- Container 210 includes an opening 219 (FIG. 21) at its rear end and a rear dump door 218 that is hingedly mounted thereto by a retractable hinge assembly 220 to cover the opening 219 .
- Hinge assembly 220 includes three hinge units 221 that are all connected to and operated as a unit by a vertical link 222 .
- Hinge units 221 are mutually identical, and only one will be described as follows, it being understood that its description refers equally to the other two units 221 .
- hinge unit 221 includes a hinge link 223 , a hinge cover plate 224 , bell crank 225 and hinge 226 .
- Hinge 226 includes upper, middle and lower cylinders 228 , 229 and 230 , respectively, and a hinge pin 231 , which extends through and connects all three cylinders 228 , 229 and 230 for mutually coaxial rotation.
- An upper connector arm 232 extends laterally from the left edge of door 218 and is rigidly connected tangentially to the outside of upper cylinder 228 .
- a lower connector arm 233 extends laterally from the left edge of door 218 and is rigidly connected tangentially to the outside of lower cylinder 230 .
- corner frame member 235 and cast corner block 217 extend outwardly from the rest of container body 211 , and particularly from container body vertical frame member 237 and horizontal frame member 238 .
- Hinge cover plate 224 is nested in the corner against and rigidly fixed to frame members 237 and 235 .
- Frame member 235 is provided with a passageway 239
- cover plate 224 is provided with a passageway 240 , these passageways being sized and configured to receive hinge link 223 for longitudinal, reciprocal movement therethrough.
- Passageway 240 is sized larger than hinge link 223
- cover plate 224 is provided with a fixed position follower pin 243 .
- Hinge link 223 defines an elongate slot 244 through which extends pin 243 .
- the front to back reciprocating movement of hinge link 223 is therefore defined by pin and slot arrangement 243 and 244 , by passageway 239 and by the path of the pin 247 that pivotally connects bell crank 225 to link 223 .
- Triangular-shaped bell crank 225 is pivotally mounted at its three vertices to a forwardly extending section 245 of cover plate 224 ; at pin 247 to the forward end 248 of hinge link 223 ; and at pin 250 to vertical link 222 .
- Vertical link 222 is raised and lowered by a ratchet assembly 200 (FIG. 18) that is connected between an anchor plate 201 and a mounting plate 202 .
- Plate 201 is rigidly connected to container body 211 and plate 202 is rigidly fixed to vertical link 222 .
- Retractable hinge assembly 220 operates as follows:
- door 218 is in the closed and rearwardly extended position, and is ready to be swung open.
- bell crank 225 is rotated counter-clockwise (as shown in FIG. 19) about stationery pin 246 , which moves pin 247 and hinge link 223 and thus door 218 forwardly in a sealing relationship with container body 211 (as shown in FIG. 18), as will be described herein.
- Passageway 239 and pin and slot combination 243 and 244 are appropriately sized to account for the non-linear motion of pin 247 as bell crank 225 is rotated about pin 246 .
- Other configurations of this assembly are contemplated to permit for the non-linear movement of pin 247 relative to hinge link 223 .
- door 218 When vertical link 222 is in the raised position (FIG. 19), door 218 is in the closed and rearwardly extended position and is ready to be swung open and, if door 218 is unlatched, it may be swung 270° about hinge pins 231 to a substantially flush position with the side of container body 211 , as shown in FIG. 21. This is made possible because connector arms 232 and 233 are mounted tangentially to the outside of upper and lower cylinders 228 and 230 , and because the rear end 236 of hinge link 223 is mounted tangentially to the exterior of middle cylinder 229 .
- Door 218 is provided with a sealing channel 254 that extends around the perimeter of door 218 on the side facing to the inside of container body 211 when door 218 is closed.
- Sealing channel 254 is similar in nature to channel 22 b of the embodiment shown in FIG. 3 in that it includes a generally U-shaped cross-section that holds an appropriate sealing gasket material 255 so that when door 218 is pulled tightly against container body 211 , gasket material 255 engages and forms a tight seal with a continuous, rectangular sealing flange 257 that surrounds the rear opening of container body 211 .
- container 210 includes a latching assembly 256 that operates separately from, but in conjunction with retractable hinge assembly 220 to pull door 218 tightly against the rear of container body 211 to enable the sealing relationship between gasket 255 and sealing flange 257 .
- latch assembly 256 includes three identical latch units 258 (one shown), each latch unit 258 including a latch cover plate 259 , a latch 260 and a bell crank 261 .
- Latch 260 has a shape substantially as shown in FIG. 20, the rearward end of latch 260 forming a hook 264 that is sized and configured to engage with a pin 265 that extends from the right edge of door 218 .
- latch 260 defines a slot 267 that receives a follower pin 268 that is rigidly connected to latch cover plate 259 .
- Slot 267 of latch 260 is curved substantially as shown in FIG.
- bell crank 261 is pivotally connected at its three vertices by appropriate pins to a forwardly extending portion of latch cover plate 259 , to the forward end of latch 260 and to vertical link 263 .
- Latch assembly 256 is shown in the latched position in FIG. 20 and operates as follows.
- bell crank 261 is caused to rotate about pin 268 which moves latch 260 rearwardly.
- slot 267 follows pin 268
- the rearward hook portion 264 of latch 260 moves rearwardly and downwardly to a release position (shown in phantom at 270 ) to both release door 218 therefrom and to allow door 218 to swing open without pin 265 then contacting hook portion 264 of latch 260 .
- container body 211 includes a corner frame member 262 at the right rear corner, proximal to latch assembly 256 . Corner frame member 262 likewise has a passageway 269 to permit latch 260 to extend and move therethrough.
- vertical container frame member 271 provides a passageway 272 which is covered by latch cover plate 259 and which provides, along with passageway 269 , for the positionment and movement of latch 260 .
- passageway 272 may be provided directly by latch cover plate 259 alone.
- intermodal container 210 is provided with a swing-away header 277 which permits the use of sliding lid 212 with side-hinged, rear access door 218 and further enables header 277 to be pivoted from a closed, transport position 279 (FIG. 22) to a container loading position 278 off to one side of the inside of container body 211 (as shown in FIG. 22).
- Header 277 generally includes a crossbeam 280 , a header sealing flange 281 , an L-shaped support bracket 282 , an elongate hinge 283 , a headplate 284 , guide channel 285 , guide rail 286 , hold-down clamps 287 , tension clamps 288 , easel supports 289 , a hinge 290 and a lid sealing flange 291 .
- Hinge 290 has a lower cylinder 295 that is fixedly secured to the right inner wall 293 of container body 211 .
- Hinge 290 further includes an upper cylinder 297 that is mounted for coaxial rotation with respect to lower cylinder 295 .
- connection flange 298 extends outwardly from upper cylinder 297 , and crossbeam 280 is rigidly connected at its right end 299 (as viewed in FIG. 22) to both connection flange 298 and upper cylinder 297 for rotation therewith about the axis of lower cylinder 295 .
- Container body 211 comprises a number of vertical frame members 237 (FIGS. 19 and 23), and horizontal frame members 238 (FIGS. 19, 22, 23 and 24 )
- the interior of container body 211 is provided with left and right inner sidewalls 292 and 293 , respectively, which comprise plates that are rigidly connected to the horizontal and vertical frame members 237 and 238 .
- the interior of container body 211 is further provided with a floor 294 , also connected to appropriate frame members (not shown).
- the rear edges 300 and 301 of left and right sidewalls 292 and 293 , respectively, and the rear edge 302 of floor 294 together form a rearwardly facing, U-shaped sealing flange. This flange is made into a continuous, rectangular configuration by the pivotally removable addition of the header sealing flange 281 as will herein be described.
- Header sealing flange 281 is rigidly connected to the bottom of crossbeam 280 so that when beam 280 spans the width of the rear of container body 211 , the rear edge 304 of flange 281 resides in the same plane with the rear edges 300 , 301 and 302 of side walls 292 and 293 and floor 294 , respectively. Rear edges 300 , 301 , 302 and 309 together thereby form the continuous, rectangular sealing flange 257 .
- the width of header sealing flange 281 is just slightly less than the distance between left and right walls 292 and 293 so that header 277 may easily be swung between the closed, transport position 279 and the container loading position.
- Elongate hinge 283 is similar to a piano hinge and has first and second hinge members 309 and 310 that are interconnected and pivot with respect to each other about hinge pin 311 .
- First hinge member 309 is rigidly connected to the top of beam 280 as shown in FIGS. 22 through 24.
- Head plate 284 is in turn connected to the top of second hinge member 310 along its length, also shown in FIGS. 22 through 24.
- Hinge 283 is wide enough to extend from just inside right inner wall 293 to a position outside of left inner wall 299 and slightly over horizontal frame member 238 , as shown.
- container body 211 has an opening 312 in its top that is defined by four flat bar stock members (three shown 313 , 314 and 315 ) that collectively form an upstanding rectangular sealing flange 316 .
- the rear edges 317 of the opposing left and right bar stock members 313 and 315 define a plane 318
- headplate 284 extends from its connection at second hinge member 310 forwardly to plane 318 at which point head plate 284 angles downwardly approximately 90° to define flange mounting portion 319 (as shown in FIG. 22). Headplate 284 then angles rearwardly approximately 85° to define headplate support flange 321 .
- Lid sealing flange 291 is rigidly fixed to the flange mounting portion 319 so that when headpiate 284 is in the closed and locked position shown in FIG. 23, lid sealing flange 291 is juxtaposed along plane 318 between the opposing left and right bar stock members 313 and 315 , thereby comprising the rear, transverse bar stock member 314 .
- Support flange 282 is an elongate, L-shaped member rigidly connected to the forward side of cross beam 280 .
- Support flange 282 provides support for the second hinge member 310 and, if desired, gasket material may be interposed between the top of support flange 282 and headplate 284 to better seal the interior of container 210 .
- the guide rails 133 and guide channels 134 of FIG. 16 are provided here as guide rail 286 and guide channel 285 except that, because both guide rail 286 and guide channel 285 extend across the entire width of container body 211 , they are each interrupted with the intermediate segments, 324 and 325 of guide rail 286 and guide channel 285 , respectively, being mounted to the top of head plate 284 .
- the remaining segments 326 and 327 of guide rail 286 and guide channel 285 are mounted on the top of horizontal frame members 238 as shown.
- Each hold-down clamp 287 includes a cross bar 340 , a threaded post 341 that extends through a hole in the middle of bar 340 and fixedly into body frame member 238 , a handle 342 that is threadedly received onto post 341 , and clamping blocks.
- One clamping block 343 (FIGS.
- each tension clamp is a standard fulcrum lever arrangement whereby a handle 347 is pivotally mounted at 348 to upstanding brackets 349 on cross beam 280 .
- An eyebolt 350 is threadedly mounted to a rod 351 which is pivotally mounted to handle 347 as shown.
- the eye 352 at the distal end of eyebolt 350 is sized to encircle a post 353 that extends upwardly from frame member 238 .
- Eyebolt 350 may be extended or retracted from rod 351 so that when eye 352 is positioned over post 353 , pivoting of handle 347 about pivot 348 pulls the eyebolt 350 relative to post 353 and draws the connecting structure, cross beam 280 against frame member 238 .
- headplate 284 , cross beam 280 and header sealing flange 281 are in the closed position of FIGS. 22 and 23
- latching of head clamps 288 draws left and right frame members 238 toward one another and forces the outer ends of header sealing flange 281 tightly against left and right inner sidewalls 292 and 293 thereby creating a firm continuous, rectangular sealing flange arrangement at 257 .
- each sidewall 2192 and 293 includes a raised, rectangular section 323 against which cross beam 280 is forced when tension clamps 288 are engaged.
- gasket material (not shown) be connected to the outer edges of cross beam 280 and header sealing flange 281 so that when tension clamps 288 are tightened, this gasket material will ensure a fluid tight seal between cross beam 280 , header sealing flange 281 and the raised sections 323 of walls 292 and 293 .
- gasket material 356 is applied to the top of frame members 238 in position to provide a seal between header plate 284 and frame member 238 when header 284 is in the closed and locked position of FIG. 23.
- a headplate support bracket 322 is fixed to right side wall 293 and a similar bracket (not shown) is fixed to left side wall 292 , these brackets 3 , 22 being positioned to support headplate 284 in the desired position as shown in FIG. 23.
- swing away header 277 may be released from its closed and locked position of FIG. 23 to the container loading position 278 by first releasing tension clamps 288 and hold down clamps 287 .
- Headplate 284 may then be pivoted about elongate hinge 283 to an up position 357 as shown in FIG. 24. Headplate 284 is supported in the up position 357 by the pair of easel supports 289 that are rigidly mounted to the top of cross beam 280 .
- a pair of locking assemblies are provided to hold headplate 284 in the up position 357 , each locking assembly including a first locking member 358 that projects upwardly from headplate 284 and a second locking member 359 that projects upwardly from cross beam 280 .
- Locking members 358 and 359 each define a horizontally extending hole 360 (FIG. 21) therethrough and are sized and configured so that when headplate 284 is pivoted to the up position 357 , members 358 and 359 are juxtaposed side by side with their holes aligned.
- a locking pin 360 may then be received therethrough and held within the aligned holes of the adjacent members 358 and 359 , thereby preventing headplatte 284 from pivoting back to the down position.
- Cross beam 280 , header sealing flange 281 and headplate 284 may then be pivoted as a unit via hinge 290 to the container loading position 278 along the inner right side of container body 211 .
- Headplate support bracket 322 is sized and configured so that cross beam 280 will rest atop support bracket 322 when header 277 is swung to the container loading position 278 , this positionment being sufficient to prevent header 277 from swinging back across the opening before being desired to do so.
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Abstract
Description
- This application is a continuation-in-part of pending U.S. patent application Ser. No. 08/114,678 which is a continuation-in-part of U.S. patent application Ser. No. 07/877,401, now U.S. Pat. No. 5,251,775.
- The present invention relates to the field of waste handling containers and specifically to an intermodal container having a very large lid and a combination sliding and pivoting mechanism to facilitate opening and closing the lid, and having a side-hinge-mounted door at one end of the container, the hinge and latching mechanism for the door being retractable to pull the door into a sealing relationship with the container whereby all components of the container are within the confines of corner blocks of the container, and having a header at the doored-end of the container that provides the guiding elements for the sliding and pivoting action of the lid and which operates to swing away from the opening along the inside of the container.
- Hazardous waste materials are frequently transported to disposal facilities in very large waste handling containers. A typical such container might measure 8′×18′×5′ with an opening in the top thereof measuring 7′×14′. To safely close off this large opening, a one-piece lid must cover the entire opening and form a tight seal against the container body to prevent the hazardous materials from escaping during transport.
- One example of such a lid is shown is U.S. Pat. No. 4,934,562 wherein the lid has a downwardly extending, longitudinal flange which rides along rollers positioned on top of the container. A complicated screw-type mechanism is used to raise the lid from a sealed position, and then the lid is slid laterally along the rollers roughly half its width until a pair of spring-biased hooks catch corresponding hinge bars at the edge of the top of the container. The lid is thus hingedly connected to the top of the container and is pivoted to the side and out of the way of the opening. In addition to the significant risk of failure of the screw mechanism to unseal and raise the lid and the difficulty of servicing the screw mechanism, the lid can easily be de-railed from its tracks. Moreover, although fairly heavy, this lid has proven to be highly susceptible to the forces of a good wind gust which has picked the lid up, off and away from the container. It has also been found that the special spring-biased hooks do not reliably engage with the hinge members. This can and has left the lid skewed, de-railed, and jammed. Another example of this general type of sliding lid configuration is shown in U.S. Pat. No. 4,821,902. Here, the lid of a large waste container is supported for gliding horizontal movement atop rollers mounted to the top of the container.
- These large waste containers are often transported by rail where maximum container height limits are set by the applicable federal regulation. To maximize the container volume, while staying within the container height limitations, it is desired that the mechanism for supporting the container lid for sliding and pivoting movement project above the container as little as possible.
- Oftentimes, the above described containers are desired to be intermodal. That is, it is desired that they be capable of being transported by a number of different vehicles, such as, for example, a truck, a train or a ship. In multiple container transport such as on a ship, it is desired to stack the containers side by side, end to end, or on top of each other while still maximizing the amount of internal container space. A typical intermodal container has a set of corner blocks at each of the eight corners of the container, the corner blocks of one container abutting the corner blocks of the adjacent stacked container. All container components, including container walls, doors and lids, must not extend beyond the plane or boundaries defined by the eight corner blocks. It is, therefore, desired to provide an intermodal container with a side-hinged, end-opening door that maximizes the internal container room and yet satisfies intermodal container transport specifications.
- It is further often desired to have containers as described above for transporting items that are easily manipulated by a forklift or similar vehicle. In such a case, where there is a side-hinged, end-opening door and a top-mounted, sliding lid, the clearance at the end opening at the top is simply too low to permit a forklift to drive into the container.
- What is desired is a container that has a side-hinged, end-opening door, a large lop-mounted, sliding lid, a configuration that permits for intermodal transport, and a configuration which permits driving of a forklift directly into the container.
- Generally speaking, a large waste handling, intermodal container with a large opening in its top has a low profile lid which can be slid and pivoted to either side of the container by a single person with little difficulty, has a rear dump door hingedly mounted at the rear, along one side by a retractable hinge assembly that pulls the door tightly against the container to seal shut the rear opening, and has a swing away header to open up the rear opening for the ingress and egress of loading vehicles.
- A waste handling, intermodal container includes a container body having left and right sides, a rear, a top, an upwardly facing top opening in the top, and a rear opening in the rear; a lid sized to cover said top opening and having a closed and clamped position tightly covering and sealing the top opening and an open position including said lid being vertically positioned along one side of the container body; a lid control and support mechanism connected with the lid and the container to support the lid and to permit the lid to be slid and pivoted between the closed and clamped position and the open position; a rear door hingedly connected along one side of the container to close off the rear opening; and, a retractable hinge assembly operable to retract the door tightly against the rear of the container body to seal the rear opening and to extend the door rearwardly to enable the door to be pivotally opened at the hinge assembly to a position alongside one side of the container body.
- It is an object of the present invention to provide an improved waste handling container.
- It is another object of the present invention to provide a waste handling, intermodal container with a side-hinged, end mounted dump door.
- It is yet another object of the present invention to provide a waste handling, intermodal container with a side-hinged, end mounted dump door where the container is openable at its rear to enable ingress and egress of loading vehicles.
- Further objects and advantages of the present invention will become apparent from the following description of the preferred embodiment.
- FIG. 1 is a perspective view of a
waste handling container 10 with a sliding and pivotinglid 15 in accordance with the preferred embodiment of the present invention. - FIG. 2 is a plan view of the
waste handling container 10 of FIG. 1 with thelid 15 in the closed and locked position. - FIG. 3 is a fragmented cross-sectional view of the
container 10 of FIG. 2 taken along the lines 3-3 and viewed in the direction of the arrows, with a portion of thecontainer body 11 broken away to expose thesealing flange 21 and thechannels lid 15 in the closed and clamped position. - FIG. 4 is a fragmented cross-sectional view of the
container 10 shown in FIG. 3, here showinglid 15 in the closed and unclamped position biased upwardly by thesuspension units 28. - FIG. 5 is a fragmented cross-sectional view of the container of FIG. 4, here s howing
lid 15 position ed laterally alongguide rail 26 from the closed and unclamped position. - FIG. 6 is a cross-sectional view of the
container 10 taken along the lines 6-6 of FIG. 2 and viewed in the direction of the arrows, with portions broken away for clarity. FIG. 7 is a cross-sectional view of thecontainer 10 taken along the lines 7-7 of FIG. 6 and viewed in the direction of the arrows. - FIG. 8 is a cross-sectional view of a portion of the container taken along the lines8-8 of FIG. 2 and viewed in the direction of the arrows.
- FIG. 9 is a cross-sectional view of one of the
end rollers 67 androller brackets 74. - FIG. 10 is a bottom cross-sectional view of
roller assembly 66 taken along the lines 10-10 of FIG. 4 and viewed in the direction of the arrows. - FIG. 11 is a cross-sectional view of a portion of
roller assembly 66 taken along the lines 11-11 of FIG. 4 and viewed in the direction of the arrows. - FIGS.12-14 are side, cross-sectional views similar to those of FIGS. 3-5 showing the pivoting motion of
lid 15 to its vertical resting position alongsidecontainer body 11. - FIG. 15 is a fragmented cross-sectional view of an alternative embodiment of the
container 10 of FIG. 2 taken along the lines 3-3 and viewed in the direction of the arrows, with a portion of the container body broken away to expose the sealingflange 21 and thechannels lid 15 in the closed and unclamped position biased upwardly by the spring loaded roller assemblies. - FIG. 16 is a cross-sectional view of the an alternative embodiment of the
container 10 of FIG. 2 taken along the lines 6-6 and viewed in the direction of the arrows, with portions broken away for clarity and corresponding to the container shown in FIG. 15. - FIG. 17 is a side elevational view of the portion of the container shown in FIG. 16.
- FIG. 18 is a side elevational view of an intermodal container with a side-hinged, end-mounted door, a large top-mounted, sliding lid, and swing-away header in accordance with the preferred embodiment of this embodiment of the invention and with
door 218 shown retracted to the sealed and closed position. - FIG. 19 is a fragmented, perspective view of the intermodal container of FIG. 18 showing the door in the unsealed and closed position.
- FIG. 20 is a side, fragmented view of the upper, right rear side of the intermodal container of FIG. 18 with the door pulled into the closed and sealed position.
- FIG. 21 is a fragmented perspective of the intermodal container of FIG. 19 showing
door 218 in the fully opened position. - FIG. 22 is a plan view of the rear of the intermodal container of FIG. 18 showing on the left thereof swing-away
header 277 in the transport position across the rear ofcontainer body 211 and with the right-side portions of swing-awayheader 277 broken away for purposes of description, and showing at the right side of FIG. 22 swing-awayheader 277 pivoted to thecontainer loading position 278. FIG. 23 is a fragmented, cross-sectional view of the intermodal container of FIG. 22 taken along the lines 22-22 and viewed in the direction of arrows and showing swing-awayheader 277 in the down, transport position. - FIG. 24 is a fragmented, cross-sectional view of the intermodal container of FIG. 23 showing swing-
away header 277 in the up position. - For the purposes of promoting an understanding of the principles of the invention, reference will now be made to the embodiment illustrated in the drawings and specific language will be used to describe the same. It will nevertheless be understood that no limitation of the scope of the invention is thereby intended, and alterations and modifications in the illustrated device, and further applications of the principles of the invention as illustrated therein are herein contemplated as would normally occur to one skilled in the art to which the invention relates.
- Referring to FIGS. 1 and 2 there is shown a
waste handling container 10 in accordance with the preferred embodiment of the present invention.Container 10 generally includes acontainer body 11 with a large rectangular-shapedopening 12 defined in its top 13; a slidinglid 15 to removably close off and sealopening 12; and, adoor 17 hingedly mounted at hinges 18 to top 13 to sealably close off the oneopen end 16 ofcontainer body 11.Container 10 is adapted to sit on the ground withlid 12 pivoted to either side ofcontainer body 11 as shown in FIG. 1 and to receive waste materials throughopening 12. When desired,lid 15 may easily be pivoted to a horizontal position and slid closed and locked down by one person, as described herein.Container 10 may then be safely transported to a disposal site wheredoor 17 may be released and pivoted abouthinges 18 to release the container contents. - Referring now to FIGS.1-3,
container body 11 generally includes a welded skeleton of rectangular cross-sectioned tubing with steel panels welded thereto. Included in the container skeleton are upper rectangularcross-sectioned tubing members 20 which extend around the periphery of and generally frame the top 13 ofbody 11. Four flat,bar stock members 19 are fixed together and totubing members 20 to definerectangular opening 12 and to collectively form an upstandingrectangular sealing flange 21. Sealingflange 21 extends abovetubing members 20 to permit full engagement with sealing channel 22 oflid 15, that is, so that sealing channel 22 does not contact the top oftubing members 20 whenlid 15 and its sealing channels 22 are pulled downwardly into the sealed position. -
Container 10 also includes a lid support assembly for holding, guiding, pivoting and generally enabling the nearly effortless opening and closing oflid 15. This lid support assembly includes a pair ofguide rail assemblies 25 mounted tocontainer body 11 at opposite sides of opening 12, and includes a corresponding pair ofcombination roller units lid 15. The twoguide rail assemblies 25 are identical and the following description will apply equally to both. Referring to FIGS. 1, 3, 6 and 7,assembly 25 includes a longitudinaltubular guide rail 26 supported at its opposite ends by and fixedly connected to posts 27.Posts 27 are mounted for vertical reciprocal movement relative tocontainer body 11 by guiderail suspension units 28.Units 28 are mounted to and exteriorly ofcontainer body 11, but are enclosed by hingedlymounted cover boxes 31. Eachsuspension unit 28 includes a pair of spaced apartcarriage bolts 29 which extend downwardly through holes in framing 20. A generally flat,rectangular spring base 30 has a pair ofholes 33 spaced to enablebase 30 to receive a corresponding pair of thebolts 29 therethrough as shown in FIG. 6. A pair of nuts 34l on eachcarriage bolt 29supports base 30 and defines the position ofbase 30 relative tobolts 29 and to framing 20. Adjustment ofnuts 34 thereby permits the position ofbase 30 to be vertically varied relative to framing 20. Eachpost 27 extends downwardly from its connection to guiderail 26, throughholes hole 37 inbase 30. A lowercylindrical collar 38 is rigidly secured atopspring base 30 and is coaxially aligned withhole 37 to surroundpost 27. Anupper collar 39 is also cylindrical, surroundspost 27 abovelower collar 38 and is adjustably fixed to post 27 as by aset screw 40.Upper collar 39 is sized larger thanhole 36 of framing 20. The upper limit of travel ofcollar 39, and thus post 27 andrail 26 attached thereto, is thereby adjustably determined.Upper collar 39 also includes an outwardly extendingannular flange 42 about midway along its height. Acoil spring 43 encircles bothcollars flange 41 andspring base 30.Guide rail 26 and itsposts 27 are thereby biased upwardly by thesprings 43, but may be forced downwardly untilupper collar 39 contactslower collar 38 which is, of course, precluded from moving downward bybase 30 and nuts 34. This downward limit is generally not reached in operation, however, because the downward movement oflid 15 will be limited by the engagement of sealing channel 22 with sealingflange 21 beforecollars base 30 then serves to vary the spring force ofspring 43 acting to bias guide rail upwardly. The sizing ofcollars upper collar 39 and the properties ofspring 43 may all be selected as desired toupwardly support lid 15 at all stages of positionment thereof and to provide the desired resistance to closing and locking oflid 15 by lockingclamps 54. -
Guide rail 26 is a circular cross-sectioned pipe having beveled ends 46 which connect to their correspondingposts 27.Posts 27 bothsupport guide rail 26 and form stops which engage withroller assemblies 66 as described herein. End caps 47 are fixedly secured to corresponding ends 46 ofrail 26 and to the connecting posts 27. In one embodiment, as shown in FIG. 7, caps 47 follow the slope of the bevel ofends 46 at an angle of about 22°, and caps 47 have a thickness of one quarter inch, thereby providing a centering function forlid 15 as described herein. Referring now to FIGS. 1, 2 and 8,lid 15 is generally composed of extruded sealing channels 22 a-22 d, arcuate lid panel supports 48,lid cover panel 49 andcombination roller units lid 15. Each channel 22 a-22 d generally includes a C-section channel portion 50 and arib portion 51 extending upwardly therefrom (FIG. 8). The C-sectionX channel portion 50 holds therein a resilientsealing gasket material 52 made of a rubber-type material appropriate for forming a tight sealing relative to the waste materials to be hauled. Selection of such an appropriate material is believed to be well known in the industry.Channel portion 50 defines a longitudinal opening 60 (approximately 1.75 inches wide in one embodiment) through which sealingflange 21 can extend and engage thegasket material 52 to tightly and safely seallid 51 overopening 12. - At the upper and outer corner of
channel portion 50, the thickness is increased to form a longitudinalbulbous edge 53 which runs at least at portions of, and preferably the entire length of, channel 22 to engage with a series of lid locking clamps 54. To enhance the strength of channel 22 during the lid hold-down and locking stages, the thickness of the entireupper segment 55, to the outside ofrib portion 51, has been thickened. In one embodiment, where, over the greatest length of roughly 14 feet (channels channel portion 50 to the inside ofrib portion 51 is about 0.125 inches, and the inside dimensions ofchannel portion 50 measure approximately one inch high by two and one half inches wide,segment 55 has athickness 50 percent greater than the remainder ofchannel portion 50 and abulbous edge 53 which protrudes upwardly ofsegment 55 by approximately 0.066 inches and outwardly ofouter side segment 56 by approximately 0.128 inches. This design is believed to enhance the torsional strength of channels 22 a-22 d, and thuslid 15, as well as the reliability of lid locking clamps 54. Near the top ofrib portion 51, a longitudinal, lidpanel support flange 57 extends inwardly and slightly upwardly therefrom, at an angle of approximately 94° from the rib portion therebelow. In one embodiment,flange support 57 extended outwardly fromrib portion 51 to leave a gap of approximately 0.0974 inches betweenflange support 57 and the top 59 ofrib portion 51, thereby leaving alongitudinal ledge 58 in each channel 22 a-22 d.Lid cover 49 is seated within theledges 58 of the longer opposingchannels lid 15,lid cover 49 is fixed as by welding to the inner, vertical sides of the two correspondingcombination roller units lid 15 androller units Supports 48 are arcuate at theirupper sides 61.Lid panel 49 rests atop and are welded toarcuate supports 48 with the edges oflid panel 49 fixed to opposingchannels combination roller units - The two
combination roller units lid 15 tochannels Units unit 24 includes a partially enclosinghousing 65, a centrally locatedroller assembly 66 and a pair ofend rollers Housing 65 is a downwardly opening channel made of longitudinal sheet with a pair of right angle bends. The resulting housing includes a longinner side 69, a shortouter side 70, and atop base 71 therebetween (FIG. 6). A flatlongitudinal access plate 64 is bolted toshort side 70 to partially coverroller assembly 66 androllers Housing 65 ofroller unit 24 is fixedly secured in planar abutment torib portion 51 of itscorresponding sealing channel 22 c at one end oflid 15 by appropriate means such as welding. Eachend roller roller bracket 74 which is fixed to bothbase 71 andinner side 69, as shown.Roller assembly 66 helps to supportlid 15 uponguide rail 26 and operates in conjunction withguide rail 26 to permitlid 15 to hingedly pivot to either side ofcontainer body 11 as follows. - Referring to FIGS.3-5,
roller assembly 66 includes a pair ofsupport rollers top base 71 bybrackets pivot link 75 and a connectinglink 76.Brackets corresponding rollers axles way brackets 74 hold theirend rollers roller 67 as shown in FIG. 9, apipe member 80 extends through a central passageway inroller 67 and between the pair of downwardly extendingbracket arms bracket 74. Abolt 85 extends through alignedholes bracket arms pipe member 80 androller 67 to form an axle therewith. Anut 86 securesbolt 85 in place. The combination of all ofrollers rollers lid 15 to effectively “slide” atopcontainer body 11. -
Pivot link 75 is actually two identically shaped pivot links 75 (FIGS. 3 and 10),, each including acentral body portion 91 and a retainingarm 92. The twopivot links 75 are each pivotally mounted at one of their ends to theaxle 89 ofroller 72, outside of the opposing, downwardly extendingbracket arms bracket 77. Likewise, connectinglink 76 is actually two identically shaped connectinglinks 76 which are pivotally connected at one of their ends byhinge pin 97 to correspondinglinks 75 and are pivotally and slidably connected at their opposite ends toaxle 90 ofroller 73. The combination pivoting and sliding movement oflinks 76 relative toaxle 90 is achieved by aslot 98 defined in eachlink 76 and through whichaxle 90 extends with the twolinks 76 juxtaposed outside ofroller 73 and inside of the corresponding, downwardly extendingbracket arms bracket 78.Bracket arms pivot links 75, andbracket arms links 76. The two retainingarms 92 ofpivot links 75 extend downwardly therefrom at an angle and on opposite sides of guide rail 26 (FIGS. 3 and 11). Apin 101 extends between and is fixed to the twoarms 92 belowguide rail 26. Anauxiliary support roller 102 is rotatably supported betweenpivot links 75 by anaxle 103 at roughly the intersection betweencentral body portion 91 and retainingarm 92. With this configuration,roller assembly 66 is essentially locked to guiderail 26 at all times. Thus,lid 15 and itsrollers guide rail 26 before pin 101L engages the bottom ofguide rail 26.Links roller assembly 66 may then pivot somewhat (aboutaxles lid 15 upwardly fromguide rail 26; however, a limit is ultimately reached wherelid 15 can be lifted no more. As defined herein, the present configuration ofroller assembly 66 andguide rail 26 also defines the limits of lateral movement oflid 15. As a result,lid 15 is held fairly securely to move only alongrails 26 as described below. While the weight oflid 15 alone would be adequate to keeplid 15 resting atopguide rail 26, a heavy wind gust could easily liftlid 15 up and off ofcontainer body 11. The present configuration ofguide rail 26 androller assembly 66 withpin 101 prevents this from happening. - A set of four, L-shaped, nylon, wear strips105 (FIGS. 1, 3, 6 an 7) are secured on both sides of
container body 11 to tubular framing 20 at positions appropriate to engage with each of the tworoller assemblies 66 during the pivoting action oflid 15 as described below. Two nylon bearing pads 106 (FIGS. 1, 6 and 7) are fixed to the outer sides of thechannel portions 50 of each of theend sealing channels lid 15. Eachbearing pad 106 is secured to a mountingplate 107 by recessedscrews 108, and each mountingplate 107 is secured as by welding to its correspondingchannel pads 106 of eachchannel pads 106 are sized relative to the corresponding components to engage thecorresponding guide rails 26 when necessary to assure thatlid 15 remains on track on guide rails 26. - Referring to FIGS. 1 and 8, there are four, identical locking clamps54 on each side of
container body 11. Eachclamp 54 includes a fulcrum lever arrangement 110 (FIG. 1), as is well known in the art, which allows arod 111 to be drawn a short distance downward with great force through movement of ahand lever 112 with application of little force. Lever arrangement 110 is preferably of the type permitting adjustment of the position and/or stroke ofrod 111.Rod 111 extends from lever arrangement 110 up throughslots 113 and 114 defined intubular framing 20. Ahook member 115 is secured as by welding at the top 116 ofrod 111 and abovetubular framing 20.Hook 115 of eachclamp 54 is thereby adapted to engage and lock with a corresponding section ofbulbous edge 53 ofchannels clamp 54 in the locked position to ensure that locking clamps 54, and therebylid 15, stay locked down during transport. - In operation,
lid 15 is; opened and sealably closed as follows: - FIG. 3 shows
lid 15 in the closed and clamped position where the eight clamps 54 are lockingly engaged with the corresponding sealing-channels gaskets 52 are sealingly engaged with theupstanding sealing flange 21. To unlocklid 15, eachchain 117 is released from itshook 118 andhand lever 112 is pivoted upwardly which movesrod 111 and itshook 115 to an upwardly disengaged position indicated at 119 in FIG. 8. In this position,hook 115 is high enough to be totally disengaged from and spaced above the correspondingchannel rods 111 and theirhooks 115 then may be pivoted outwardly withinslots 113 and 114 and completely clear oflid 15 while hand levers 112 are pivoted back down, which pulls thecorresponding rod 111 to a downward and outward disengaged position at 120. As eachclamp 54 is disengaged fromlid 15,suspension units 28bias guide rails 26, andlid 15 riding thereupon, upwardly to the limit defined byupper collars 39, which are secured toposts 27. With all ofrod 111 and hooks 115 outwardly clear oflid 15,suspension units 28 have raisedlid 15 to a closed and unclamped position (FIG. 4) upwardly clear of sealingflange 21 and above the top 116 of eachrod 111. One of twohandles 121 on either side oflid 15 may then be grasped and pulled, which moveslid 15 laterally to that side along guide rails 26 (FIG. 5). - When
lid 15 has moved roughly half its distance to one side, the twopins 101 on eachroller assembly 66 will contact the correspondingposts 27, as shown in FIG. 12, at whichpoint lid 15 stops moving laterally and is then pivoted roughly about the innermost roller of roller assembly 66 (here, roller 73) andauxiliary support roller 102. The action ofpivot link 75 and connectinglink 76 provide sufficient play to ensure clearance for the pivotinglid 15 as it pivots over the edge of the container body. The configuration, sizing and placing ofroller assembly 66 and itsrollers lid 15 is fairly well balanced as it pivots at this one end ofcontainer body 11 so that theoperator grasping handle 121 can fairly easily lower the end oflid 15 that he or she is holding as it pivots (FIG. 13) through roughly a 90° angle to the open and resting position shown in FIG. 14. As seen from FIGS. 12-14, the connectinglink 76 moves somewhat laterally by virtue of itsslot 98 andaxle 90 to the extreme shown in FIG. 14, at whichpoint lid 15 is generally supported by the retainingarm 92 ofpivot link 75 resting on nylon wear strips 105. In one embodiment, the relative dimensions of the components, specifically of:roller assembly 66, are as shown in FIGS. 3-5 and 12-14, this particular configuration providing a smooth sliding and pivoting operation oflid 15. - To close and
seal lid 15, the reverse procedure is generally performed. That is, handle 121 is grasped and lifted to pivotlid 15 generally aboutpin 101. Whenlid 15 has substantially reached a horizontal position, the operator pusheslid 15 to slide it completely atopcontainer 11. The ramped configuration ofend caps 47 facilitate the engagement ofrollers guide rail 26. As referred to above, end caps 47 have a thickness such that, as the operator pusheslid 15 toward a closed position, the leading end roller (here, roller 68) reaches the corresponding far end cap 47 (here, designated as 122 in FIG. 3), and engages it. Whenroller 68hits end cap 122, the operator can “feel” the contact and then knows that the lid has reached a position between the twoend caps 47 as shown in FIG. 3. Withlid 15 thus centered, the operator engages eachclamp 54 by lifting thecorresponding hand lever 112,positioning rod 111 and itshook 115 over and against correspondingbulbous edge 53, and then lowers handle 112 all the way down to pulllid 15 and its sealing channels 22 a-22 d tightly against sealingflange 21.Chains 117 are then firmly positioned around their correspondinghandles 112 and are attached to theirhook 118, which thus preventshandles 112 from flipping up during transport. -
Container body 11 is also provided with a number ofair vents 125 withscrew caps 126 which can be partially or completely removed to enable the release of pressurized gases which may build up whilelid 15 is closed. - The opening, closing and clamping operation of
door 17 at theend 16 ofcontainer 11, as well as the loading, transport and unloading ofcontainer 10 are believed to be well known in this art and are not described herein. - In another embodiment shown in FIGS. 15 through 17, there is shown a
lid support assembly 130 for supporting acontainer lid 15 for sliding and pivoting movement relative to thecontainer 10. In relation to thecontainer 10 of FIGS. 1-14,lid support assembly 130 of FIGS. 15 and 16 includes a pair ofguide rails 133 and a pair ofguide channels 134 fixed to the top 13 ofcontainer 10, at opposite ends of opening 12, and in place ofguide rail assemblies 25.Lid support assembly 130 further includes a pair ofcombination roller units 135 mounted to and at opposite ends oflid 15 in place ofroller units guide rail assemblies 25 andcombination roller unit guide rails 133, guidechannels 134 androller units 135, at opposite sides of opening 12 andlid 15, are essentially mirror images of each other and description of only one member of any of the three pairs will be understood to apply to the corresponding other of the pair. -
Combination roller units 135 extend outwardly from each end oflid 15, just outside or sealingchannels lid 15 is constructed to have a lower profile.Combination roller unit 135 includes ahousing 140 with ahead plate 141 extending horizontally outwardly from the side oflid 15.Head plate 141 angles downwardly at its outboard edge to form aside plate section 142. A pair of spring-loaded,outer roller assemblies 143 are mounted to the underside, and at opposing ends ofhead plate 141 so that there is essentially aroller assembly 143 at each of the four corners oflid 15. Each roller-assembly 143 includes a downwardly opening, C-shapedmounting bracket 146, aroller mounting fork 147 pivotally mounted to one end ofbracket 146, anend roller 148 rotatably mounted atpin 151 to fork 147, and a spring 149).Bracket 146 defines a downwardly extending spring-mountingportion 150 opposite the end wherefork 147 is mounted.Fork 147 is pivotally mounted at its upper portion tobracket 146 via apin 152.Fork 147 defines apivot stop surface 154 which is configured to engage with the underside ofbracket 146 and to permitfork 147 to pivot only outwardly (counterclockwise but not clockwise for thefork 147 on the right in FIG. 15) from its rest position (also shown in FIG. 15). Roughly midway betweenpin 151 andpin 152, and, likepins third pin 155 is held by and between thearms 156 offork 147.Spring 149 extends in tension betweenpin 155 and apin 158 held byportion 150 to bias roller-mountingfork 147 to the rest position shown in FIG. 15. - A spring-mounted,
center roller assembly 159 is mounted to the underside ofhead plate 141, roughly midway between the outer tworoller assemblies 143.Assembly 159 is similar in structure to theouter roller assemblies 143, except that it has pivotally mounted thereto a mirror image pair ofroller mounting forks fork 160 can pivot only clockwise and fork 161 can pivot only counterclockwise from the shown rest positions about their pivot pins 162 and 163, respectively. Aspring 165 extends in tension betweenforks spring mounting pins forks Rollers 168 are rotatably mounted at the outboard ends offorks Follower arm 170 is pivotally mounted at one end viapin 171 to thecenter roller bracket 172, pin 171 being betweenpins Arm 170 includes anaxle member 173 extending generally orthogonally outwardly therefrom. Afollower roller 175 is rotatably mounted at the outboard end ofaxle member 173.Arm 170 is configured and mounted tobracket 172 so thatroller 175 is roughly midway betweenrollers 168, as viewed in FIG. 15. -
Rail 133 has an inverted, T-shaped cross-section and is fixedly mounted to the top 13 ofcontainer 10 just outside of opening 12 in a position aligned below therollers lid 15 will be centered overopening 12. The inverted T-shape ofrail 133 is formed by a flat base plate 177 and a narrower-width guide bar 178 centeredly fixed thereatop. Each ofrollers shape rail 133, as shown in FIG. 16. -
Guide channel 134 has a hook-shaped cross-section and runs the width ofcontainer 10, alongside ofrail 133. The long vertical 180, top horizontal 181 and inside short vertical 182 sides, which form the hook-shaped cross-section ofchannel 134, sufficiently enclosefollower roller 175 so thatroller 175, strictly followschannel 134 androllers guide rails 133. - At each end of
channel 134 is anend plate 183 fixedly connected thereto to constrainroller 175 to stay withinguide channel 134, and not to roll outside of either end thereof.Braces 186 extend as needed betweenchannels housings 140 tolid 15. Eachbrace 186 is welded to and extends generally from the junction of thechannel portion 50 andrib portion 51 to the junction ofhead plate 141 andside plate section 142. - As with
forks 147,follower arm 170 defines apivot stop surface 185 at its top to constrainarm 170 to pivot only from the rest position (shown in FIGS. 15 and 16) counterclockwise (as viewed in FIG. 15). Becausearm 170 cannot pivot (clockwise in FIG. 15) beyond its rest position, and becauseroller 175 cannot rise above the tophorizontal side 181,lid 15 is precluded from rising farther than is shown in FIG. 15. Becausesprings pull forks respective pins lid 15 is biased upwardly fromcontainer 10 and from sealing engagement with sealingflange 21, but only to the limited height permitted by thetop side 181 viafollower arm 170. When it is desired to closelid 15, the locking clamps 54 are engaged, as described in prior embodiments, to pulllid 15 into tight sealing engagement withcontainer 10. Whenlid 15 is thus pulled ontocontainer 10,forks pins springs pull forks lid 15 clear of sealingflange 21.Lid 15 may then be pushed by one person parallel to guiderails 133, withrollers -
Lid 15 pivots in a manner similar to thelid 15 of FIG. 1. Whenlid 15 is pushed or pulled to one side roughly one half its width,rollers 175 engage with and are stopped by thecorresponding end plates 183 ofguide channels 134.Lid 15 may then be pivoted, similarly to that shown in FIG. 1, aboutrollers 175 untillid 15 has rotated about 90° to its open position against the side ofcontainer 10. - In another embodiment shown in FIGS. 18 through 24, there is shown an
intermodal container 210 with a sliding lid, side hinged, end-mounted dump door and swing away header in accordance with the preferred embodiment of this additional embodiment.Container 210 includes acontainer body 211 and a slidinglid 212 that is operable as described above and disclosed in FIGS. 15 through 17 to slide upon the top ofcontainer body 211 by virtue of a variety ofrollers 215, mounted tolid 212, that roll uponguide rails 216,lid 212 being governed to slide to either side ofcontainer body 211 and then to pivot at the edge thereof to a vertically disposed, open position as described above and shown generally in FIGS. 1 and 14 by virtue of follower rollers riding withinguide channels 214. -
Container 210 is intermodal. That is, asingle container 210 is configured to be transported by a number of different vehicles such as a truck, a train or a ship.Container 210 includes cast corner blocks 217, one at each of the eight corners ofcontainer body 211. When a number of containers such ascontainer 210 are shipped together such as in the hold of a ship, it is desired to maximize the available space by arranging the containers as close to one another, both horizontally and vertically, as possible. When the containers are stacked side by side, end to end, or on top of each other, it is theblocks 217 of like size containers that come in contact with each other. All remaining components of the container must therefore lie within the planar boundaries of the eight corner blocks 217. -
Container 210 includes an opening 219 (FIG. 21) at its rear end and arear dump door 218 that is hingedly mounted thereto by aretractable hinge assembly 220 to cover theopening 219.Hinge assembly 220 includes threehinge units 221 that are all connected to and operated as a unit by avertical link 222.Hinge units 221 are mutually identical, and only one will be described as follows, it being understood that its description refers equally to the other twounits 221. - Referring to FIG. 19,
hinge unit 221 includes ahinge link 223, ahinge cover plate 224, bell crank 225 and hinge 226.Hinge 226 includes upper, middle andlower cylinders hinge pin 231, which extends through and connects all threecylinders upper connector arm 232 extends laterally from the left edge ofdoor 218 and is rigidly connected tangentially to the outside ofupper cylinder 228. Likewise, alower connector arm 233 extends laterally from the left edge ofdoor 218 and is rigidly connected tangentially to the outside oflower cylinder 230. Becausearms cylinders hinge 226 and thecorner frame member 235 ofbody 211, and becauselink 223 is connected tangentially to the outside ofmiddle cylinder 229, betweenhinge 226 anddoor 218,door 218 can be rotated aboutpin 231 all the way around to and substantially flush with the side ofcontainer body 211, as shown in FIG. 21 and as will be described herein. - Referring to FIGS. 19 and 22,
corner frame member 235 and castcorner block 217 extend outwardly from the rest ofcontainer body 211, and particularly from container bodyvertical frame member 237 andhorizontal frame member 238.Hinge cover plate 224 is nested in the corner against and rigidly fixed to framemembers Frame member 235 is provided with apassageway 239, andcover plate 224 is provided with apassageway 240, these passageways being sized and configured to receivehinge link 223 for longitudinal, reciprocal movement therethrough.Passageway 240 is sized larger thanhinge link 223,, andcover plate 224 is provided with a fixedposition follower pin 243.Hinge link 223 defines anelongate slot 244 through which extendspin 243. The front to back reciprocating movement ofhinge link 223 is therefore defined by pin andslot arrangement passageway 239 and by the path of thepin 247 that pivotally connects bell crank 225 to link 223. - Triangular-shaped bell crank225 is pivotally mounted at its three vertices to a forwardly extending
section 245 ofcover plate 224; atpin 247 to theforward end 248 ofhinge link 223; and atpin 250 tovertical link 222.Vertical link 222 is raised and lowered by a ratchet assembly 200 (FIG. 18) that is connected between ananchor plate 201 and a mountingplate 202.Plate 201 is rigidly connected tocontainer body 211 andplate 202 is rigidly fixed tovertical link 222. -
Retractable hinge assembly 220 operates as follows: - As shown in FIG. 19,
door 218 is in the closed and rearwardly extended position, and is ready to be swung open. Asvertical link 222 is lowered byratchet assembly 200, bell crank 225 is rotated counter-clockwise (as shown in FIG. 19) aboutstationery pin 246, which movespin 247 and hingelink 223 and thusdoor 218 forwardly in a sealing relationship with container body 211 (as shown in FIG. 18), as will be described herein.Passageway 239 and pin andslot combination pin 247 as bell crank 225 is rotated aboutpin 246. Other configurations of this assembly are contemplated to permit for the non-linear movement ofpin 247 relative to hingelink 223. - When
vertical link 222 is in the raised position (FIG. 19),door 218 is in the closed and rearwardly extended position and is ready to be swung open and, ifdoor 218 is unlatched, it may be swung 270° about hinge pins 231 to a substantially flush position with the side ofcontainer body 211, as shown in FIG. 21. This is made possible becauseconnector arms lower cylinders rear end 236 ofhinge link 223 is mounted tangentially to the exterior ofmiddle cylinder 229. Whendoor 218 is swung open, it completely clears the proximal corner blocks 217 and rests substantially flush against the side ofcontainer body 211, as shown in FIG. 21.Door 218 is provided with a sealingchannel 254 that extends around the perimeter ofdoor 218 on the side facing to the inside ofcontainer body 211 whendoor 218 is closed.Sealing channel 254 is similar in nature to channel 22 b of the embodiment shown in FIG. 3 in that it includes a generally U-shaped cross-section that holds an appropriatesealing gasket material 255 so that whendoor 218 is pulled tightly againstcontainer body 211,gasket material 255 engages and forms a tight seal with a continuous,rectangular sealing flange 257 that surrounds the rear opening ofcontainer body 211. - Referring to FIGS. 20 and 22, at the right rear side of
container body 211, on the side oppositeretractable hinge assembly 220,container 210 includes a latchingassembly 256 that operates separately from, but in conjunction withretractable hinge assembly 220 to pulldoor 218 tightly against the rear ofcontainer body 211 to enable the sealing relationship betweengasket 255 and sealingflange 257. Likeretractable hinge assembly 220,latch assembly 256 includes three identical latch units 258 (one shown), eachlatch unit 258 including alatch cover plate 259, alatch 260 and abell crank 261. The bell cranks 261 of the three identical latch units 258 (one shown) are all connected to avertical link 263 which is raised and lowered by a ratchet mechanism (not shown) likeratchet mechanism 200 on the opposite side ofcontainer body 211.Latch 260 has a shape substantially as shown in FIG. 20, the rearward end oflatch 260 forming ahook 264 that is sized and configured to engage with apin 265 that extends from the right edge ofdoor 218. Likehinge link 223,latch 260 defines aslot 267 that receives a follower pin 268 that is rigidly connected to latchcover plate 259. Slot 267 oflatch 260, however, is curved substantially as shown in FIG. 20 to provide the desired unlatching movement oflatch 260 as will be described herein. Also, like bell crank 225 ofhinge unit 221, bell crank 261 is pivotally connected at its three vertices by appropriate pins to a forwardly extending portion oflatch cover plate 259, to the forward end oflatch 260 and tovertical link 263. -
Latch assembly 256 is shown in the latched position in FIG. 20 and operates as follows. Whenvertical link 263 is raised, bell crank 261 is caused to rotate about pin 268 which moveslatch 260 rearwardly. Asslot 267 follows pin 268, therearward hook portion 264 oflatch 260 moves rearwardly and downwardly to a release position (shown in phantom at 270) to bothrelease door 218 therefrom and to allowdoor 218 to swing open withoutpin 265 then contactinghook portion 264 oflatch 260. Whendoor 218 is closed,vertical link 263 is lowered which reverses the process to movelatch 260 forwardly so thathook portion 264 swings up to engage withpin 265 to pulldoor 218 and itssealing gasket 255 tightly against sealingflange 257.Latch assembly 256 andretractable hinge assembly 220 thus operate separately but work together to pull both sides ofdoor 218 tightly against sealingflange 257 to effect a fluid tight closure of theopening 219 ofcontainer body 211. Just like thecorner frame member 235 at the rear left corner ofcontainer body 211,container body 211 includes acorner frame member 262 at the right rear corner, proximal to latchassembly 256.Corner frame member 262 likewise has apassageway 269 to permitlatch 260 to extend and move therethrough. As shown in FIG. 20, verticalcontainer frame member 271 provides apassageway 272 which is covered bylatch cover plate 259 and which provides, along withpassageway 269, for the positionment and movement oflatch 260. Alternatively,passageway 272 may be provided directly bylatch cover plate 259 alone. - Referring now to FIGS. 21 through 24,
intermodal container 210 is provided with a swing-away header 277 which permits the use of slidinglid 212 with side-hinged,rear access door 218 and further enablesheader 277 to be pivoted from a closed, transport position 279 (FIG. 22) to acontainer loading position 278 off to one side of the inside of container body 211 (as shown in FIG. 22).Header 277 generally includes acrossbeam 280, aheader sealing flange 281, an L-shapedsupport bracket 282, anelongate hinge 283, aheadplate 284,guide channel 285,guide rail 286, hold-down clamps 287, tension clamps 288, easel supports 289, ahinge 290 and alid sealing flange 291.Hinge 290 has alower cylinder 295 that is fixedly secured to the rightinner wall 293 ofcontainer body 211. Hinge 290 further includes anupper cylinder 297 that is mounted for coaxial rotation with respect tolower cylinder 295. Aconnection flange 298 extends outwardly fromupper cylinder 297, andcrossbeam 280 is rigidly connected at its right end 299 (as viewed in FIG. 22) to bothconnection flange 298 andupper cylinder 297 for rotation therewith about the axis oflower cylinder 295. -
Container body 211 comprises a number of vertical frame members 237 (FIGS. 19 and 23), and horizontal frame members 238 (FIGS. 19, 22, 23 and 24) The interior ofcontainer body 211 is provided with left and rightinner sidewalls vertical frame members container body 211 is further provided with afloor 294, also connected to appropriate frame members (not shown). Therear edges right sidewalls rear edge 302 offloor 294 together form a rearwardly facing, U-shaped sealing flange. This flange is made into a continuous, rectangular configuration by the pivotally removable addition of theheader sealing flange 281 as will herein be described. -
Header sealing flange 281 is rigidly connected to the bottom ofcrossbeam 280 so that whenbeam 280 spans the width of the rear ofcontainer body 211, therear edge 304 offlange 281 resides in the same plane with therear edges side walls floor 294, respectively. Rear edges 300, 301, 302 and 309 together thereby form the continuous,rectangular sealing flange 257. The width ofheader sealing flange 281 is just slightly less than the distance between left andright walls header 277 may easily be swung between the closed,transport position 279 and the container loading position. -
Elongate hinge 283 is similar to a piano hinge and has first andsecond hinge members hinge pin 311.First hinge member 309 is rigidly connected to the top ofbeam 280 as shown in FIGS. 22 through 24.Head plate 284 is in turn connected to the top ofsecond hinge member 310 along its length, also shown in FIGS. 22 through 24.Hinge 283 is wide enough to extend from just inside rightinner wall 293 to a position outside of leftinner wall 299 and slightly overhorizontal frame member 238, as shown. - Like the
container body 11 described above and shown in FIGS. 1-3,container body 211 has anopening 312 in its top that is defined by four flat bar stock members (three shown313, 314 and 315) that collectively form an upstandingrectangular sealing flange 316. The rear edges 317 of the opposing left and rightbar stock members plane 318, andheadplate 284 extends from its connection atsecond hinge member 310 forwardly to plane 318 at which pointhead plate 284 angles downwardly approximately 90° to define flange mounting portion 319 (as shown in FIG. 22).Headplate 284 then angles rearwardly approximately 85° to defineheadplate support flange 321.Lid sealing flange 291 is rigidly fixed to theflange mounting portion 319 so that when headpiate 284 is in the closed and locked position shown in FIG. 23,lid sealing flange 291 is juxtaposed alongplane 318 between the opposing left and rightbar stock members bar stock member 314. -
Support flange 282 is an elongate, L-shaped member rigidly connected to the forward side ofcross beam 280.Support flange 282 provides support for thesecond hinge member 310 and, if desired, gasket material may be interposed between the top ofsupport flange 282 andheadplate 284 to better seal the interior ofcontainer 210. - The guide rails133 and guide
channels 134 of FIG. 16 are provided here asguide rail 286 and guidechannel 285 except that, because bothguide rail 286 and guidechannel 285 extend across the entire width ofcontainer body 211, they are each interrupted with the intermediate segments, 324 and 325 ofguide rail 286 and guidechannel 285, respectively, being mounted to the top ofhead plate 284. The remainingsegments guide rail 286 and guidechannel 285, respectively, are mounted on the top ofhorizontal frame members 238 as shown. Intermediate andouter segments continuous guide rail 286 and guidechannel 285 to produce a smooth and reliable sliding and pivoting movement of the container lid as described above.Headplate 284 is held tightly in the closed position (FIG. 23) by the pair of hold-down clamps 287 and the pair of tension clamps 288. Each hold-down clamp 287 includes across bar 340, a threadedpost 341 that extends through a hole in the middle ofbar 340 and fixedly intobody frame member 238, ahandle 342 that is threadedly received ontopost 341, and clamping blocks. One clamping block 343 (FIGS. 23 and 24) projects upward from the top ofhead plate 284 and the other clamping block 344 projects upward from the top of frame member 238 (FIG. 22). When headplate 284 is in the closed position (FIG. 23),cross bar 340 is rotated aboutpost 341 until it spans across both clampingblocks handle 342 is then rotated about threadedpost 341 to tighten downcross bar 340 and thereby securely lockheadplate 284 in place. - There are two tension clamps288, one on each side of the rear of container 210 (one
clamp 288 shown on the left side in FIG. 22) each tension clamp is a standard fulcrum lever arrangement whereby ahandle 347 is pivotally mounted at 348 toupstanding brackets 349 oncross beam 280. Aneyebolt 350 is threadedly mounted to arod 351 which is pivotally mounted to handle 347 as shown. Theeye 352 at the distal end ofeyebolt 350 is sized to encircle apost 353 that extends upwardly fromframe member 238.Eyebolt 350 may be extended or retracted fromrod 351 so that wheneye 352 is positioned overpost 353, pivoting ofhandle 347 aboutpivot 348 pulls theeyebolt 350 relative to post 353 and draws the connecting structure,cross beam 280 againstframe member 238. When the interconnected components,headplate 284,cross beam 280 andheader sealing flange 281 are in the closed position of FIGS. 22 and 23, latching of head clamps 288 draws left andright frame members 238 toward one another and forces the outer ends ofheader sealing flange 281 tightly against left and rightinner sidewalls sidewall 2192 and 293 includes a raised,rectangular section 323 against which crossbeam 280 is forced when tension clamps 288 are engaged. It is preferred that gasket material (not shown) be connected to the outer edges ofcross beam 280 andheader sealing flange 281 so that when tension clamps 288 are tightened, this gasket material will ensure a fluid tight seal betweencross beam 280,header sealing flange 281 and the raisedsections 323 ofwalls gasket material 356 is applied to the top offrame members 238 in position to provide a seal betweenheader plate 284 andframe member 238 whenheader 284 is in the closed and locked position of FIG. 23. - A
headplate support bracket 322 is fixed toright side wall 293 and a similar bracket (not shown) is fixed toleft side wall 292, thesebrackets 3,22 being positioned to supportheadplate 284 in the desired position as shown in FIG. 23. - When it is desired to enter a
container 210, for example, with a forklift, swing awayheader 277 may be released from its closed and locked position of FIG. 23 to thecontainer loading position 278 by first releasing tension clamps 288 and hold downclamps 287.Headplate 284 may then be pivoted aboutelongate hinge 283 to an upposition 357 as shown in FIG. 24.Headplate 284 is supported in the upposition 357 by the pair of easel supports 289 that are rigidly mounted to the top ofcross beam 280. A pair of locking assemblies are provided to holdheadplate 284 in the upposition 357, each locking assembly including afirst locking member 358 that projects upwardly fromheadplate 284 and asecond locking member 359 that projects upwardly fromcross beam 280. Lockingmembers position 357,members pin 360 may then be received therethrough and held within the aligned holes of theadjacent members headplatte 284 from pivoting back to the down position.Cross beam 280,header sealing flange 281 andheadplate 284 may then be pivoted as a unit viahinge 290 to thecontainer loading position 278 along the inner right side ofcontainer body 211.Headplate support bracket 322 is sized and configured so thatcross beam 280 will rest atopsupport bracket 322 whenheader 277 is swung to thecontainer loading position 278, this positionment being sufficient to preventheader 277 from swinging back across the opening before being desired to do so. - While the invention has been illustrated and described in detail in the drawings and. foregoing description, the same is to be considered as illustrative and not restrictive in character, it being understood that only the preferred embodiment has been shown and described and that all changes and modifications that come within the spirit of the invention are desired to be protected.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/751,033 US6364154B2 (en) | 1992-05-01 | 2000-12-29 | Waste handling intermodal container with sliding lid, side-hinged, end-mounted dump door and swing-away header |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/877,401 US5251775A (en) | 1992-05-01 | 1992-05-01 | Waste handling container with sliding lid |
US08/114,678 US5533643A (en) | 1992-05-01 | 1993-08-31 | Waste handling container with sliding lid |
US57973695A | 1995-12-28 | 1995-12-28 | |
US81902697A | 1997-03-17 | 1997-03-17 | |
US19255698A | 1998-10-29 | 1998-10-29 | |
US44981599A | 1999-11-26 | 1999-11-26 | |
US09/751,033 US6364154B2 (en) | 1992-05-01 | 2000-12-29 | Waste handling intermodal container with sliding lid, side-hinged, end-mounted dump door and swing-away header |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US44981599A Continuation | 1992-05-01 | 1999-11-26 |
Publications (2)
Publication Number | Publication Date |
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US20020017529A1 true US20020017529A1 (en) | 2002-02-14 |
US6364154B2 US6364154B2 (en) | 2002-04-02 |
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Application Number | Title | Priority Date | Filing Date |
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US09/751,033 Expired - Fee Related US6364154B2 (en) | 1992-05-01 | 2000-12-29 | Waste handling intermodal container with sliding lid, side-hinged, end-mounted dump door and swing-away header |
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US (1) | US6364154B2 (en) |
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