CA1209407A - Cargo restraining device for high density loading of shipping drums - Google Patents
Cargo restraining device for high density loading of shipping drumsInfo
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- CA1209407A CA1209407A CA000458380A CA458380A CA1209407A CA 1209407 A CA1209407 A CA 1209407A CA 000458380 A CA000458380 A CA 000458380A CA 458380 A CA458380 A CA 458380A CA 1209407 A CA1209407 A CA 1209407A
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- platform member
- platform
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Abstract
ABSTRACT OF DISCLOSURE
A device for securely restraining open head shipping drums during vehicular transport. The device comprises a platform member supported in spaced relation from an underlying floor, and having an upper load bearing surface for receiving a cargo load of open head shipping drums thereupon. An upright member is adjoined to one end of the platform member for effec-ting restraining contact with the adjacent side of the load seated on the platform member, the upright member including a generally planar member facing the load. The upper load bearing surface of the platform member is stepped to define first and second generally planar support levels at alternate sides of the platform member, whereby drums respectively supported on the first and the second levels are precluded from impact be-tween their respective rims, upon side-to-side movement or swaying thereof.
A device for securely restraining open head shipping drums during vehicular transport. The device comprises a platform member supported in spaced relation from an underlying floor, and having an upper load bearing surface for receiving a cargo load of open head shipping drums thereupon. An upright member is adjoined to one end of the platform member for effec-ting restraining contact with the adjacent side of the load seated on the platform member, the upright member including a generally planar member facing the load. The upper load bearing surface of the platform member is stepped to define first and second generally planar support levels at alternate sides of the platform member, whereby drums respectively supported on the first and the second levels are precluded from impact be-tween their respective rims, upon side-to-side movement or swaying thereof.
Description
I
S~6 A~ l IN THE UNITED STATES ~PATENT AND TRADEMARK OFFICE
Inventor: James J. Van Gompel Title: CARGO RESTRAINING DEVICE FO~ HIGH DENSITY
LOADING OF SHIPPING DRUMS
S P E C I F I C A T I O N
BACKGROUND OF THE INVENTION
1. Related Applications This application is a continuation-in-part of my copending application Ser.ial No. 510,431 filed July 1, 1983 for "CARGO RESTRAINING DEVICE FOR HIGH DEN~ITY LOADING".
. Field of the Invention This invention relates to a device for securely restraining cargo during transport, and in particular, to a device for securely restraining a high density load of ship-ping drums to prevent movement thereof which could result in damage~ The invention is particularly applicable to so-called n open head" drums.
3. Background of the Invention Unless a cargo load is adeguately secured within its vehicuiar carrier, motion of the vehicle, ~s~ecially incl~ding /
. .
acceleration and deacceleration of same, tends to move or shift the cargo with consequent damage to same, and often as well, damage to the carrier. Heretofore, shippers have generally found it necessary to rely on banding, blocking, or bracing to secure the cargo load and provide for its integrity. SUch practices, however, are not only time-consuming to install and costly, but also rely heavily on individual judgment for their adeguacy.
Within the last several years, a new class of devices have come into use which are generally useful in restraining loads of cargo during transportO These are exemplified by Patents Nos. 4,147,112 and 4,317,645, each assigned to the assignee of the presnt application.
Patent No. 4,147,112, issued to Green et al, thus relates to a cargo support or retainer which endeavors to avoid banding, blocking, or bracing of palletized cargo loads, ~y providing a substantially L-shaped frame, wherein the lower horizontal member which contacts the floor is provided with a plurality of "anti-skid" spikes to resist movement of the palletized load during transport.
A further such cargo restraining device is disclosed in said U.S. Patent No. 4,317,645 issued to James Van Gompel.
In this device, an elongated floor contacting member is pro-.. . .
vided with an upwardly facing load-bearing surface, the member being :adapted to project forwardly beneath a portion of th~
~2--~2~ 7 cargo load. A generally upright member is secured to the floor contacting member in spaced relation from the forward end of the floor contacting member for engaging with the cargo load, and a floor piercing element is movably mounted on the floor contacting member adjacent to the rearward end thereof. The floor piercing element is normally disposed to pierce the floor when the floor contacting member of the restraining device is under load in service, and is movable to a position incapable of piercing the floor when the restraining device is out of service. Like the device disclosd in the Green et al patent, this device is inte~ded to resist movement of the palletized load during transport.
Patent No. 3,699,900 to Carlson, also describes a device for use in the transport, handling and sto~age of materials. This device has a base portion and a first wall portion, either of which may be utilized in the lifting and transporting of the device. A pair of opposed spaced side panels are provided between the base portion and the first wall portion, for confining and protecting the material on said device.
These devices, while suitable for the transport o~
cargo requiring no special handling, can afford less than satlsfactory safeguards against movement of portions of the cargo relative to one another which might result in damage to, or destruction of, the cargo. A particular problem is thus presented where very dense loads are involved. Under such P~7 circumstances the dense load can all too readily slide or shift laterally -- i.e. despite the restraints against forward or rearward movement during front or rear impact of the vehicle carrier.
In the instance of open head drums a particularly difficult problem is presented. These drums are openable at the top and include a closeable lid, the periphery of which may present a somewhat enlarged chime. These drums are com-monly used for shipment of particulate solids, and the contents can be of a hazardous nature -- e.g. radioactive wastes or the like. If the said drums are shipped in simpie side-by-side fashion, the top rims of adjacent drums can be in direct con-tact, whereby sudden movement of the drums can cause impact of the upper drum portions against one another, which can knock off the said lids/ causing dangerous spillage of the drum contents. This dislodging of drum lids tends especially to occur as a result of side-to-side movement during shi~ment, in that the alignment of the successive drums in the direction of carrier movement is in normally uniform rows, whereas drum-to-drum spacing between drums in adjacent rows varies and allows greater displacement into the consequent voids.
Objects of The Invention ` In accordance with the foregoing, it may be reyarded as an object of the present invention, to provide a device for use in restraining high density cargo loads during vehicular ~ ' ,K-650j~
~ 3~7 transport.
It is a further objec~ of the invention to provide a cargo restraining device of the foregoing ch~racter, which is adapted to carry and restrain a plurality of open head drums in such mutual relationship as to minimize the likeli-hood of the lids of such drums being dislodged.
It is a further object of the invention, to provide a cargo restraining device of the foregoing character, which is adapted for very effectively restraining the high density cargo loads against side-to-side, i.e. lateral, sliding or shifting.
It is a still further object of the invention, to provide a cargo restraining device as aforesaid, which includes means which facilitate load manipulation by a conventional tow motor vehicle.
Summary of the Invention Now in accordance with the present invention, the foregoing objects, and others as will become apparent in the course of the ensuing specification~ are achieved in a device for securely restraining open head drums during transport, comprising a platform member supported in spaced relation from an underlying floor~ and having an upper load bearing surface for receiving a cargo load thereupon; an upright member being adjoined to one end of said platform member for effecting restr~ining contact with the adjacent side of the load se~ted i ^
on said platform member; said upright member including a generally planar member facing said load; and in which the upper load bearing surface of the platform member is stepped to define first and second generally planar support levels at alternate sides of said platform member, whereby drums respectively supported on said first and second levels are precluded from impact between their respec~ive top rims upon side-to-side movement or swaying thereof.
The downwardly facing portion of the platform member may be provided with surface gripping projections, to limit movement of the cargo restraining device and load with respect to the underlying floor. These projections can comprise teeth provided at metal plates which are secured to the said member.
The teeth may be sawtoothed in shape, and formed as rows at the lateral edges of the metal plates.
In a preferred embodiment o~ the device~ two o~ the said support levels may be provided by a step which extends along the front to rear axis of symmetry thereof~ to divide the space on the platorm into two portions of differing height.
In accordance with a further aspect of the invention~
the restraining device may include a pair of receiving poc~e~s mounted below sald load bearing surfaces and having openinys fac-ing the rear of said upright member, said openings being adapted to recei~e tow motor forks to prevent the device from tipping off the said forks during movement of same by a tow motor.
SK-6~50 ~Z~4~7 Brief Description Of The Drawings The invention is di~gramatically illustrated, by way of example, in the drawings appended hereto, in which:
FIGURE lA is a rear end perspective view of a cargo restraining device according to the present invention;
FIGURE lB is a front end perspective view of the device of Figure l;
FIGURE 2 is a side elevational view of the device of F igures lA and lB;
FIGURE 3 is a front elevational view of the device of Figures lA and lB;
FIGURE 4 is an enlarged view of the lower right corner of Figure 3, further illustrating the floor gripping means;
FIGURE 5 is an enlarged fragmentary elevation view of the platform member and floor gripping means;
FIGURE 6 is a front eleva~ional view similar to Figure 3, but showing an embodiment of the invention which includes receiving pockets for the forks o~ a tow motor;
` FIGU~E 7 is a fragmentary elevational view of the lower ~ear corner of the Figure S device; and -7- . ~
SK-6 ~Q
FIGURE 8 is a fragmentary plan vlew of the Figure 6 device further depicting the arrangment of th~
receiving pockets.
Description Of The Preferred Embodiment The cargo restraining device 13 of Figures lA and lB comprises yenerally a platform member 12, supported in spaced relation from an underlying floor, and having an upper load bearing surface for receiving a cargo load thereupon.
An upright member, generally designated at 14, is joined to one end of platform member 12, for ef~ecting restraining con-tact with the adjacent side of the load seated on the platform member. The upright member includes a generally planar member 16, which faces the load.
The cargo load for which the present device 10 is especially adapted, is a plurality of container drums 18, which are usually of the open head variety, such that each such drum is provided with a removable lid 20, which where same closcs with drum 18, normally provides a somewhat enlarged chime 22, i.e. at the uppermost end of the drum. The present device 10 is particularly adapted to hold four such drums 18a, 18b, l9c, and 18d, as is illustrated in Figures lA and lB.
` In accordance with a particular aspect of the present invention, it ;s seen that the load bearing surfacP of member 12 is stepped so as to define first and second generally plan~r ~2~4~)7 load bearing portions 24 and 26, with the latter being stepped to a higher level than the former. Thus, as is apparent es-pecially from Figure lB, the two drums 18c and 18d at the right side of the figure, are maintained at a slightly lower level than the two drums 18a and 18b at the left side of the Figure. The consequence of this arrangement, as has been pre-viously indicated, is that the topmost portions of drums 18c and 18d are beneath the level of drums 18a and 18b, in conse-quence of which side-to-side movement of the drums will not cause the uppermost portions, such as the chimes 22 to impact laterally against the adjacent line of drums with danger of consequent dislodgement of the covers 20.
The device 10 preferably includes as well at least one strap retaining means 30 which is secured to thé member 14 and passes about the drum load to secure same firmly against the face 16 of member 14.
The platform member 12 is seen more generally to be formed rom a plurality of horizontal support beams 32, 34, and 36. The main horizontal support piece 38 (Figure 2) is welded to these beams and includes ben~ over lateral portions 40~
A platform 42, which defines the stepped upper support surface 26, is secured as by welding or the like, to one lateral side of support surface 38. As seen in Figure 2, platform 42 is provided with transverse reinforcing pieces 44, which lend rigidity to the load bearing surface 26 defined by the pl~tform.
g_ SK-6~
~ZIt~$~g~7 ~ The platform 42 can actually be mounted on either the right or left hand side of the device 10. This is sug-gested in Figur4 3, where an alternate positioning for the platform is shown by the shadow lines 42~.
The upright member 14 is seen to include, in addition to the planar member 16, a plurality of vertical members 46, 48, 50, and 52, gussets 54, and a support piece 56. The member 16 is formed over the vertical members 46, 48, etc., as seen at 60.
It will be seen that the present device 10 is provided with a plurality of floor gripping projections, preferably in the form of appropriately shaped teeth or the like, which are provided at the horizontal support members 32, 34, and 36. More specifically, it is seen, referring especially to Figures 4 and S, that cleat plates 62 and 64 are provided, which carry at their bottommost edges, a plurality of sawtooth shaped teeth 66.
Plates 62 and 64 are retained within cleat guides 63, which are welded to the members 32, 34, etc., and are secured by bolts 68, washers 69, and nuts 70O As seen in Figure 4~ the teeth 66 at the bottom of a particular plate may be bent to alternate sides o~ the vertical planel i.e. successive teeth 66a, 66b, are so bent in the row of teeth so as to introduce additional stability tending to preclude side-to-side or lateral swaying of the load seàted upon the cargo restrainin~ device.
It is seen that sets of these sawtooth shaped teeth 10- ~
,g7 ~lZ~ 7 are provided at each end of the horizontal members 32, 34, and 36, to produce a total of six such sets of teeth.
It will be clear that the arrangement of the saw tooth shaped teeth is such as to sharply limit displacement of the restxaining device carrying the load in a rearward direc-tion, i.e. movement toward the right in the sense cf Figure 2.
Under such circumstances, the sawtooth shaped teeth will dig into the underlying support floor.
A further feature of the present invention is set forth in the embodiment of th~ invention appearing in Figures 6 through 8. The dsvice shown therein is in all respects identi-cal with the embodiment set forth in the prior figures, except that in this instance a pair of receiving pockets 72 and 74 are provided, which are mounted beneath the support platform 3B, and include openings 76 and 78, accessible from the rear side of device 10, i.e. from the right hand side of Figure 7~ These pockets 72 and 74 are seen to be symmetrically positioned with respect to the lateral sides of device 10~ and are utilized to receive the forks of a conventional tow motor device, so that when the said tow motor is used to move the present restr~ining device, i.e. in association with open head shi~ping drums~ the said loaded device will be precluded ~rom tipping off the tow motor forks, which can occasionally occur in the absence o~ the present improvement, and present a most hazardous circumstance, The receiving pockets can also be utilized in con-`11-//
~ 3~37 nection with a cargo restraining device as in Figures lA
and lB, but wherein the cargo support surace is not ste~ped, but rather is generally planar.
While the present invention has been particularly set forth in terms of specific embodiments thereof, it will be understood in view of the instant disclosure~ that numerous variations upon the invention are now enabled to those skilled in the art, which variations yet reside within the scope of the present teaching. Accordingly, the invention is to he broadly construed, and limited only by the-scope and s~irit of the claims now appended hereto.
~12-/~
S~6 A~ l IN THE UNITED STATES ~PATENT AND TRADEMARK OFFICE
Inventor: James J. Van Gompel Title: CARGO RESTRAINING DEVICE FO~ HIGH DENSITY
LOADING OF SHIPPING DRUMS
S P E C I F I C A T I O N
BACKGROUND OF THE INVENTION
1. Related Applications This application is a continuation-in-part of my copending application Ser.ial No. 510,431 filed July 1, 1983 for "CARGO RESTRAINING DEVICE FOR HIGH DEN~ITY LOADING".
. Field of the Invention This invention relates to a device for securely restraining cargo during transport, and in particular, to a device for securely restraining a high density load of ship-ping drums to prevent movement thereof which could result in damage~ The invention is particularly applicable to so-called n open head" drums.
3. Background of the Invention Unless a cargo load is adeguately secured within its vehicuiar carrier, motion of the vehicle, ~s~ecially incl~ding /
. .
acceleration and deacceleration of same, tends to move or shift the cargo with consequent damage to same, and often as well, damage to the carrier. Heretofore, shippers have generally found it necessary to rely on banding, blocking, or bracing to secure the cargo load and provide for its integrity. SUch practices, however, are not only time-consuming to install and costly, but also rely heavily on individual judgment for their adeguacy.
Within the last several years, a new class of devices have come into use which are generally useful in restraining loads of cargo during transportO These are exemplified by Patents Nos. 4,147,112 and 4,317,645, each assigned to the assignee of the presnt application.
Patent No. 4,147,112, issued to Green et al, thus relates to a cargo support or retainer which endeavors to avoid banding, blocking, or bracing of palletized cargo loads, ~y providing a substantially L-shaped frame, wherein the lower horizontal member which contacts the floor is provided with a plurality of "anti-skid" spikes to resist movement of the palletized load during transport.
A further such cargo restraining device is disclosed in said U.S. Patent No. 4,317,645 issued to James Van Gompel.
In this device, an elongated floor contacting member is pro-.. . .
vided with an upwardly facing load-bearing surface, the member being :adapted to project forwardly beneath a portion of th~
~2--~2~ 7 cargo load. A generally upright member is secured to the floor contacting member in spaced relation from the forward end of the floor contacting member for engaging with the cargo load, and a floor piercing element is movably mounted on the floor contacting member adjacent to the rearward end thereof. The floor piercing element is normally disposed to pierce the floor when the floor contacting member of the restraining device is under load in service, and is movable to a position incapable of piercing the floor when the restraining device is out of service. Like the device disclosd in the Green et al patent, this device is inte~ded to resist movement of the palletized load during transport.
Patent No. 3,699,900 to Carlson, also describes a device for use in the transport, handling and sto~age of materials. This device has a base portion and a first wall portion, either of which may be utilized in the lifting and transporting of the device. A pair of opposed spaced side panels are provided between the base portion and the first wall portion, for confining and protecting the material on said device.
These devices, while suitable for the transport o~
cargo requiring no special handling, can afford less than satlsfactory safeguards against movement of portions of the cargo relative to one another which might result in damage to, or destruction of, the cargo. A particular problem is thus presented where very dense loads are involved. Under such P~7 circumstances the dense load can all too readily slide or shift laterally -- i.e. despite the restraints against forward or rearward movement during front or rear impact of the vehicle carrier.
In the instance of open head drums a particularly difficult problem is presented. These drums are openable at the top and include a closeable lid, the periphery of which may present a somewhat enlarged chime. These drums are com-monly used for shipment of particulate solids, and the contents can be of a hazardous nature -- e.g. radioactive wastes or the like. If the said drums are shipped in simpie side-by-side fashion, the top rims of adjacent drums can be in direct con-tact, whereby sudden movement of the drums can cause impact of the upper drum portions against one another, which can knock off the said lids/ causing dangerous spillage of the drum contents. This dislodging of drum lids tends especially to occur as a result of side-to-side movement during shi~ment, in that the alignment of the successive drums in the direction of carrier movement is in normally uniform rows, whereas drum-to-drum spacing between drums in adjacent rows varies and allows greater displacement into the consequent voids.
Objects of The Invention ` In accordance with the foregoing, it may be reyarded as an object of the present invention, to provide a device for use in restraining high density cargo loads during vehicular ~ ' ,K-650j~
~ 3~7 transport.
It is a further objec~ of the invention to provide a cargo restraining device of the foregoing ch~racter, which is adapted to carry and restrain a plurality of open head drums in such mutual relationship as to minimize the likeli-hood of the lids of such drums being dislodged.
It is a further object of the invention, to provide a cargo restraining device of the foregoing character, which is adapted for very effectively restraining the high density cargo loads against side-to-side, i.e. lateral, sliding or shifting.
It is a still further object of the invention, to provide a cargo restraining device as aforesaid, which includes means which facilitate load manipulation by a conventional tow motor vehicle.
Summary of the Invention Now in accordance with the present invention, the foregoing objects, and others as will become apparent in the course of the ensuing specification~ are achieved in a device for securely restraining open head drums during transport, comprising a platform member supported in spaced relation from an underlying floor~ and having an upper load bearing surface for receiving a cargo load thereupon; an upright member being adjoined to one end of said platform member for effecting restr~ining contact with the adjacent side of the load se~ted i ^
on said platform member; said upright member including a generally planar member facing said load; and in which the upper load bearing surface of the platform member is stepped to define first and second generally planar support levels at alternate sides of said platform member, whereby drums respectively supported on said first and second levels are precluded from impact between their respec~ive top rims upon side-to-side movement or swaying thereof.
The downwardly facing portion of the platform member may be provided with surface gripping projections, to limit movement of the cargo restraining device and load with respect to the underlying floor. These projections can comprise teeth provided at metal plates which are secured to the said member.
The teeth may be sawtoothed in shape, and formed as rows at the lateral edges of the metal plates.
In a preferred embodiment o~ the device~ two o~ the said support levels may be provided by a step which extends along the front to rear axis of symmetry thereof~ to divide the space on the platorm into two portions of differing height.
In accordance with a further aspect of the invention~
the restraining device may include a pair of receiving poc~e~s mounted below sald load bearing surfaces and having openinys fac-ing the rear of said upright member, said openings being adapted to recei~e tow motor forks to prevent the device from tipping off the said forks during movement of same by a tow motor.
SK-6~50 ~Z~4~7 Brief Description Of The Drawings The invention is di~gramatically illustrated, by way of example, in the drawings appended hereto, in which:
FIGURE lA is a rear end perspective view of a cargo restraining device according to the present invention;
FIGURE lB is a front end perspective view of the device of Figure l;
FIGURE 2 is a side elevational view of the device of F igures lA and lB;
FIGURE 3 is a front elevational view of the device of Figures lA and lB;
FIGURE 4 is an enlarged view of the lower right corner of Figure 3, further illustrating the floor gripping means;
FIGURE 5 is an enlarged fragmentary elevation view of the platform member and floor gripping means;
FIGURE 6 is a front eleva~ional view similar to Figure 3, but showing an embodiment of the invention which includes receiving pockets for the forks o~ a tow motor;
` FIGU~E 7 is a fragmentary elevational view of the lower ~ear corner of the Figure S device; and -7- . ~
SK-6 ~Q
FIGURE 8 is a fragmentary plan vlew of the Figure 6 device further depicting the arrangment of th~
receiving pockets.
Description Of The Preferred Embodiment The cargo restraining device 13 of Figures lA and lB comprises yenerally a platform member 12, supported in spaced relation from an underlying floor, and having an upper load bearing surface for receiving a cargo load thereupon.
An upright member, generally designated at 14, is joined to one end of platform member 12, for ef~ecting restraining con-tact with the adjacent side of the load seated on the platform member. The upright member includes a generally planar member 16, which faces the load.
The cargo load for which the present device 10 is especially adapted, is a plurality of container drums 18, which are usually of the open head variety, such that each such drum is provided with a removable lid 20, which where same closcs with drum 18, normally provides a somewhat enlarged chime 22, i.e. at the uppermost end of the drum. The present device 10 is particularly adapted to hold four such drums 18a, 18b, l9c, and 18d, as is illustrated in Figures lA and lB.
` In accordance with a particular aspect of the present invention, it ;s seen that the load bearing surfacP of member 12 is stepped so as to define first and second generally plan~r ~2~4~)7 load bearing portions 24 and 26, with the latter being stepped to a higher level than the former. Thus, as is apparent es-pecially from Figure lB, the two drums 18c and 18d at the right side of the figure, are maintained at a slightly lower level than the two drums 18a and 18b at the left side of the Figure. The consequence of this arrangement, as has been pre-viously indicated, is that the topmost portions of drums 18c and 18d are beneath the level of drums 18a and 18b, in conse-quence of which side-to-side movement of the drums will not cause the uppermost portions, such as the chimes 22 to impact laterally against the adjacent line of drums with danger of consequent dislodgement of the covers 20.
The device 10 preferably includes as well at least one strap retaining means 30 which is secured to thé member 14 and passes about the drum load to secure same firmly against the face 16 of member 14.
The platform member 12 is seen more generally to be formed rom a plurality of horizontal support beams 32, 34, and 36. The main horizontal support piece 38 (Figure 2) is welded to these beams and includes ben~ over lateral portions 40~
A platform 42, which defines the stepped upper support surface 26, is secured as by welding or the like, to one lateral side of support surface 38. As seen in Figure 2, platform 42 is provided with transverse reinforcing pieces 44, which lend rigidity to the load bearing surface 26 defined by the pl~tform.
g_ SK-6~
~ZIt~$~g~7 ~ The platform 42 can actually be mounted on either the right or left hand side of the device 10. This is sug-gested in Figur4 3, where an alternate positioning for the platform is shown by the shadow lines 42~.
The upright member 14 is seen to include, in addition to the planar member 16, a plurality of vertical members 46, 48, 50, and 52, gussets 54, and a support piece 56. The member 16 is formed over the vertical members 46, 48, etc., as seen at 60.
It will be seen that the present device 10 is provided with a plurality of floor gripping projections, preferably in the form of appropriately shaped teeth or the like, which are provided at the horizontal support members 32, 34, and 36. More specifically, it is seen, referring especially to Figures 4 and S, that cleat plates 62 and 64 are provided, which carry at their bottommost edges, a plurality of sawtooth shaped teeth 66.
Plates 62 and 64 are retained within cleat guides 63, which are welded to the members 32, 34, etc., and are secured by bolts 68, washers 69, and nuts 70O As seen in Figure 4~ the teeth 66 at the bottom of a particular plate may be bent to alternate sides o~ the vertical planel i.e. successive teeth 66a, 66b, are so bent in the row of teeth so as to introduce additional stability tending to preclude side-to-side or lateral swaying of the load seàted upon the cargo restrainin~ device.
It is seen that sets of these sawtooth shaped teeth 10- ~
,g7 ~lZ~ 7 are provided at each end of the horizontal members 32, 34, and 36, to produce a total of six such sets of teeth.
It will be clear that the arrangement of the saw tooth shaped teeth is such as to sharply limit displacement of the restxaining device carrying the load in a rearward direc-tion, i.e. movement toward the right in the sense cf Figure 2.
Under such circumstances, the sawtooth shaped teeth will dig into the underlying support floor.
A further feature of the present invention is set forth in the embodiment of th~ invention appearing in Figures 6 through 8. The dsvice shown therein is in all respects identi-cal with the embodiment set forth in the prior figures, except that in this instance a pair of receiving pockets 72 and 74 are provided, which are mounted beneath the support platform 3B, and include openings 76 and 78, accessible from the rear side of device 10, i.e. from the right hand side of Figure 7~ These pockets 72 and 74 are seen to be symmetrically positioned with respect to the lateral sides of device 10~ and are utilized to receive the forks of a conventional tow motor device, so that when the said tow motor is used to move the present restr~ining device, i.e. in association with open head shi~ping drums~ the said loaded device will be precluded ~rom tipping off the tow motor forks, which can occasionally occur in the absence o~ the present improvement, and present a most hazardous circumstance, The receiving pockets can also be utilized in con-`11-//
~ 3~37 nection with a cargo restraining device as in Figures lA
and lB, but wherein the cargo support surace is not ste~ped, but rather is generally planar.
While the present invention has been particularly set forth in terms of specific embodiments thereof, it will be understood in view of the instant disclosure~ that numerous variations upon the invention are now enabled to those skilled in the art, which variations yet reside within the scope of the present teaching. Accordingly, the invention is to he broadly construed, and limited only by the-scope and s~irit of the claims now appended hereto.
~12-/~
Claims (9)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A device for securely restraining open head shipping drums during vehicular transport, comprising:
a platform member supported in spaced relation from an underlying floor, and having an upper load bearing surface for receiving a cargo load thereupon;
an upright member being adjoined to one end of said platform member for effecting restraining contact with the adjacent side of the load seated on said platform member;
said upright member including a generally planar member facing said load; and said upper load bearing surface of said platform member being stepped to define first and second generally planar support levels at alternate sides of said platform member, whereby drums respectively supported on said first and second levels are precluded from impact between their respective top rims upon side-to-side movement or swaying thereof.
a platform member supported in spaced relation from an underlying floor, and having an upper load bearing surface for receiving a cargo load thereupon;
an upright member being adjoined to one end of said platform member for effecting restraining contact with the adjacent side of the load seated on said platform member;
said upright member including a generally planar member facing said load; and said upper load bearing surface of said platform member being stepped to define first and second generally planar support levels at alternate sides of said platform member, whereby drums respectively supported on said first and second levels are precluded from impact between their respective top rims upon side-to-side movement or swaying thereof.
2. A device in accordance with claim 1 including downwardly facing surface gripping projections at the bottom of said device, to limit movement of said device and load with respect to the underlying floor.
3. A device in accordance with claim 2 wherein said surface gripping projections comprise generally sawtooth shaped teeth.
4. A device in accordance with any of claims 1, 2, or 3, including two said support levels which divide the space on said platform into two portions of differing height.
5. A device in accordance with claim 2, wherein said projections comprise teeth provided on metal plates which are secured to said platform member.
6. A device in accordance with claim 5, wherein the teeth are formed as rows at the lateral edge of the metal plate in contact with the underlying floor.
7. A device in accordance with claims 5 or 6, wherein the teeth are generally sawtoothed in shaped.
8. A device in accordance with claim 1, further including a pair of receiving pockets mounted below said load bearing surface and having openings facing the rear of said upright member, said openings being adapted to receive tow motor forks to prevent the device from tipping off the said forks during movement of same by a tow motor.
9. A device for securely restraining open head shipping drums during vehicular transport, comprising:
a platform member supported in spaced relation from an underlying floor, and having a generally planar upper load bearing surface for receiving a cargo load thereupon;
an upright member being adjoined to one end of said platform member for effecting restraining contact with the adjacent side of the load seated on said platform member;
said upright member including a generally planar member facing said load; and a pair of receiving pockets mounted below said load bearing surface and having openings facing the rear of said upright member, said openings being adapted to receive tow motor forks to prevent the device from tipping off the said forks during movement of same by a tow motor.
a platform member supported in spaced relation from an underlying floor, and having a generally planar upper load bearing surface for receiving a cargo load thereupon;
an upright member being adjoined to one end of said platform member for effecting restraining contact with the adjacent side of the load seated on said platform member;
said upright member including a generally planar member facing said load; and a pair of receiving pockets mounted below said load bearing surface and having openings facing the rear of said upright member, said openings being adapted to receive tow motor forks to prevent the device from tipping off the said forks during movement of same by a tow motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/545,627 US4529345A (en) | 1983-07-01 | 1983-10-26 | Cargo restraining device for high density loading of shipping drums |
| US545,627 | 1983-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1209407A true CA1209407A (en) | 1986-08-12 |
Family
ID=24176949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000458380A Expired CA1209407A (en) | 1983-10-26 | 1984-07-06 | Cargo restraining device for high density loading of shipping drums |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1209407A (en) |
-
1984
- 1984-07-06 CA CA000458380A patent/CA1209407A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |