N/A
The present invention is generally directed toward bulk bin containers with shock absorbing elements that distribute forces from an impact to a stack of such containers; and more particularly, to bulk bin containers with bottom structures that include integrated shock absorbers to more evenly distribute horizontal forces impacting two or more stacked bins.
Plastic bulk bin containers typically consist of a base and four hingeably connected sidewalls. The sidewalls are in an approximately horizontal position when the bulk container is in a collapsed state, and in a vertical position when the container is erected to receive shipping goods. The sidewalls have features along each side that interlock with adjacent sidewalls when containers are erected. Most bulk bin containers are designed to stack on each other in the erected state, with and without the use of top caps.
To align containers in a stack and prevent them from sliding off each other when no top cap is used, the bottom section of a container base is typically recessed to fit in-between the sidewalls of an erected container. This recess is typically between ½″ and 1″ deep.
One weakness of this prior design becomes apparent when a stack of containers is subjected to impacts as typically occur in use. For example: a stack of loaded containers is moved via fork lift, and the stack is moved into an obstacle, such as a guide rail; stacks of loaded containers are moved by rail and encounter horizontal impacts as they occur in switching situations; and during stacking of loaded containers, the upper container is slightly angled and moved into position above the lower container until the recess on the bottom of the upper container hits the inside top edge of a sidewall in the lower container.
In all these instances, one of the sidewalls of the lower container is subjected to high horizontal forces at the top edge of the sidewall that try to push the wall outward, generated by movement of the upper container. These forces result in high stresses in the upper sections of the two adjacent corners of the sidewall of the lower container, which quite often result in breakage as shown in
The present invention provides structure to distribute forces resulting from impacts to stacked bulk bins and reduces or prevents the amount of damage caused by such impacts. The present invention is described below and shown in the Figures.
The present invention is directed to a bulk bin container with collapsible sidewalls having integrated shock absorbing elements. The shock absorbing elements absorb impacts to a stack of containers to prevent or limit damage to the containers.
In accordance with a first embodiment, a collapsible bulk bin container with one or more shock absorbing elements is provided. The container includes a base having a rectangular bottom portion including a first side, a second side, a third side and a fourth side, a first base corner, a second base corner, a third base corner and a fourth base corner. A first sidewall extends upward from the first side of the base, a second sidewall extends upward from the second side of the base, a third sidewall extends upward from the third side of the base, and a fourth sidewall extends upward from the fourth side of the base. The first, second, third and fourth sidewalls form a rectangular opening at a top end of the container. A first sidewall corner is formed between the first sidewall and the second sidewall, a second sidewall corner is formed between the second sidewall and the third sidewall, a third sidewall corner is formed between the second sidewall and the third sidewall and a fourth sidewall corner is formed between the fourth sidewall and the first sidewall. A first shock absorbing element is positioned at the first base corner for contacting an interior side of the first sidewall corner of another like container when stacked on the like container.
As used herein, a “like” container is another container that includes at least features that allow it to stack with the claimed container. The “like” container does not have to be identical to the present container. However, an identical container would also be considered a “like” container.
The bulk bin container further comprises a second shock absorbing element positioned at the second base corner, a third shock absorbing element positioned at the third base corner, and a fourth shock absorbing element positioned at the fourth base corner. Each of the second, third and fourth shock absorbing elements contact interior portions of the second, third and fourth sidewall corners respectively of the like container. The shock absorbing elements can be formed from an elastomeric material, or other suitable material(s).
The shock absorbing elements can be L-shaped and can include a rounded outer corner portion. The shock absorbing element can be a continuous piece, or can be formed by a plurality of segments with or without a gap between adjacent segments.
Additionally, the shock absorbing elements can include a plurality of holes or other structures to facilitate the absorption of energy during an impact. Moreover, the holes in the main material forming the element can be filled with another type of material.
The base can include a plurality of feet extending downward from a bottom portion of the base. Additionally, the base can include a plurality of stringers connected to the feet. The stringers can form the first base corner, the second base corner, the third base corner and the fourth base corner. The shock absorbing elements can be positioned proximate an outer portion of the corners formed by the stringers.
The base corner portion formed by the stringers can include an inset portion. The inset is used to accommodate wider shock absorbing elements.
In accordance with another embodiment of the present invention, a stackable bulk bin container having at least one shock absorbing element is provided. The container has a rectangular base having a first side, a second side, a third side and a fourth side. A first foot extends downward from a first corner of the base, a second foot extends downward from a second corner of the base, a third foot extends downward from a third corner of the base, and a fourth foot extends downward from a fourth corner of the base. A first sidewall extends upward from the first side of the base, a second sidewall extends upward from the second side of the base, a third sidewall extends upward from the third side of the base, and a fourth sidewall extends upward from the fourth side of the base. The first, second, third and fourth sidewalls form a rectangular opening at a top end of the container. A first shock absorbing element is connected to the first foot and is configured to contact an interior portion of another like container when stacked on the like container.
The container can further comprise a second shock absorbing element connected to the second foot, a third shock absorbing element connected to the third foot and a fourth shock absorbing element connected to the fourth foot. Each of the second, third and fourth shock absorbing elements are configured to contact an interior corner portion of the like container.
The sidewalls of the container can be collapsible. Additionally, a plurality of stringers can connect the first foot, second foot, third foot and fourth foot.
Further aspects of the invention are disclosed below and shown in the Figures.
To understand the present invention, it will now be described by way of example, with reference to the accompanying drawings in which:
While this invention is susceptible of embodiments in many different forms, there is shown in the drawings, and will herein be described in detail preferred embodiments of the invention with the understanding that the present disclosure is to be considered as an exemplification of the principles of the invention and is not intended to limit the broad aspect of the invention to the embodiments illustrated.
The container 10 includes a first sidewall 20, a second sidewall 22, a third sidewall and a fourth sidewall extending from the first, second, third and fourth sides of the base 14, respectively. The sidewalls can be hingedly connected to the base 14 and can move from a collapsed position to an erected-set-up position. The sidewalls form a rectangular opening at the top of the container (when turned base side down).
The stringers 18 are shown inset from an outer periphery of the base, and are positioned to fit within the opening formed by the sidewalls of the bulk bin container 10.
As illustrated in
The shock absorbing element 12 extends outward from the corner 19 of the stringers 18 to contact the corner of the opening formed by the sidewalls when the container 10 is set up. As shown in
During use the shock absorbing element will absorb some of the kinetic energy that is transferred on impact from the upper container to the lower container (of two stacked containers). This reduces the amount of energy that can cause damage to the lower bin. The shock absorbing element also more evenly distributes the forces that occur during impact onto the corners of the lower container.
An example of damage caused by impacts to a stack of containers is shown in
The shock absorbing element 12 can be formed from an elastomeric material or other suitable material for absorbing forces. Additionally, the shock absorbing element can be formed from more than one material, and can include additional structures to enhance the absorption of energy from impacts or other movement of the containers.
As shown in
While the shock absorbing element 12 is shown as a single continuous corner piece, it can be formed from two or more pieces or segments. Additionally, shock absorbing element 12 can have a continuous outer surface 28, or can include one or more gaps or indentations.
In one alternative embodiment, shock absorbing elements can be placed along the upper portion of the sidewalls, positioned to contact the corners 19 formed by the stringers 18 (or other corner structure for containers not having stringers). In another alternative embodiment, both the corner portion of the stringers and the upper portions of the sidewalls can include shock absorbing elements. Additionally, shock absorbing elements can be positioned along the stringers and/or the upper portions of the sidewalls at other positions (than just the corners).
Many modifications and variations of the present invention are possible in light of the above teachings. It is, therefore, to be understood within the scope of the appended claims the invention may be protected otherwise than as specifically described.
The present application claims the benefit of Provisional Application No. 61/904,836 filed Nov. 15, 2013, the contents of which are incorporated herein by reference.
Number | Name | Date | Kind |
---|---|---|---|
489711 | Mandioni | Jan 1893 | A |
1039452 | Shepard | Sep 1912 | A |
1280629 | Appleby | Oct 1918 | A |
1381013 | Rainsford | Jun 1921 | A |
1883553 | Chain | Oct 1932 | A |
2579655 | Donald | Dec 1951 | A |
3246828 | Branscum et al. | Apr 1966 | A |
3572535 | Kinzie | Mar 1971 | A |
3628683 | Friedrich et al. | Dec 1971 | A |
3692342 | Scallan | Sep 1972 | A |
3747794 | Bitney | Jul 1973 | A |
3870185 | Sanders et al. | Mar 1975 | A |
3874546 | Sanders et al. | Apr 1975 | A |
3924293 | Cain | Dec 1975 | A |
3977044 | Mort | Aug 1976 | A |
4044910 | Box | Aug 1977 | A |
4063330 | Triplette | Dec 1977 | A |
4089417 | Osborne | May 1978 | A |
4119263 | Cuthbertson et al. | Oct 1978 | A |
4186841 | Buckley et al. | Feb 1980 | A |
4192430 | Cornou | Mar 1980 | A |
4300695 | Hsu | Nov 1981 | A |
4349121 | Lafferty | Sep 1982 | A |
4454946 | Yokowo | Jun 1984 | A |
4466541 | Tabler et al. | Aug 1984 | A |
4491231 | Heggeland et al. | Jan 1985 | A |
4571774 | Hinson | Feb 1986 | A |
4591065 | Foy | May 1986 | A |
4674647 | Gyenge et al. | Jun 1987 | A |
4765480 | Malmanger | Aug 1988 | A |
4775068 | Reiland et al. | Oct 1988 | A |
4798304 | Rader | Jan 1989 | A |
4828132 | Francis, Jr. et al. | May 1989 | A |
4863062 | Holliday | Sep 1989 | A |
4917255 | Foy et al. | Apr 1990 | A |
4923079 | Foy | May 1990 | A |
4960223 | Chiang et al. | Oct 1990 | A |
4967927 | Reiland et al. | Nov 1990 | A |
4987639 | Baiuley et al. | Jan 1991 | A |
5094356 | Miller | Mar 1992 | A |
5114037 | Hillis et al. | May 1992 | A |
5150806 | Glomski | Sep 1992 | A |
5199592 | Reiland et al. | Apr 1993 | A |
5289935 | Hillis et al. | Mar 1994 | A |
5398835 | Blinstrub | Mar 1995 | A |
5467885 | Blinstrub | Nov 1995 | A |
5474197 | Hillis et al. | Dec 1995 | A |
5501353 | Warren | Mar 1996 | A |
5535482 | Grabber | Jul 1996 | A |
5538178 | Zink et al. | Jul 1996 | A |
5586675 | Borsboom et al. | Dec 1996 | A |
5632392 | Oh | May 1997 | A |
D381513 | Brauner | Jul 1997 | S |
5660291 | Dash | Aug 1997 | A |
5673791 | Jamison | Oct 1997 | A |
5711444 | Meacham et al. | Jan 1998 | A |
5725119 | Bradford et al. | Mar 1998 | A |
5769230 | Koefelda | Jun 1998 | A |
5788103 | Wagner et al. | Aug 1998 | A |
5797508 | Loftus et al. | Aug 1998 | A |
5845799 | Deaton | Dec 1998 | A |
5850935 | Luburic et al. | Dec 1998 | A |
5897012 | Sortwell | Apr 1999 | A |
5908135 | Bradford et al. | Jun 1999 | A |
5938059 | Luburic | Aug 1999 | A |
5975324 | Schmitt | Nov 1999 | A |
6000604 | Lapoint, III | Dec 1999 | A |
6015056 | Overholt et al. | Jan 2000 | A |
6029839 | Mansouri | Feb 2000 | A |
6029840 | Brauner | Feb 2000 | A |
6062410 | Bradford et al. | May 2000 | A |
6088239 | Zeiss | Jul 2000 | A |
6135287 | Hartwall | Oct 2000 | A |
6138851 | Townson | Oct 2000 | A |
6186932 | Vallot | Feb 2001 | B1 |
6189695 | Ching-rong | Feb 2001 | B1 |
6209742 | Overholt et al. | Apr 2001 | B1 |
6216872 | Haasbroek | Apr 2001 | B1 |
6216899 | Vicari | Apr 2001 | B1 |
6223903 | Mansouri | May 2001 | B1 |
6230916 | Bradford et al. | May 2001 | B1 |
6234315 | Karpisek | May 2001 | B1 |
6243920 | Sauve | Jun 2001 | B1 |
6283319 | Hillis et al. | Sep 2001 | B1 |
6290081 | Merey | Sep 2001 | B1 |
6293417 | Varfeldt | Sep 2001 | B1 |
6293418 | Ogden et al. | Sep 2001 | B1 |
6305566 | Pigott et al. | Oct 2001 | B1 |
6305726 | LeTrudet | Oct 2001 | B1 |
D452614 | Overholt | Jan 2002 | S |
6367630 | Elskamp | Apr 2002 | B1 |
6386388 | Overholt | May 2002 | B1 |
6398054 | Overholt et al. | Jun 2002 | B1 |
6405888 | Overholt et al. | Jun 2002 | B1 |
6415938 | Karpisek | Jul 2002 | B1 |
6416271 | Pigott et al. | Jul 2002 | B1 |
6422409 | Kofod | Jul 2002 | B2 |
6446825 | Godoy | Sep 2002 | B1 |
6460717 | Smyers et al. | Oct 2002 | B1 |
6484898 | Hillis et al. | Nov 2002 | B2 |
RE37915 | Lapoint, III | Dec 2002 | E |
6540096 | Bazany et al. | Apr 2003 | B1 |
6543659 | Blair | Apr 2003 | B2 |
6601724 | Koefelda et al. | Aug 2003 | B1 |
6631822 | Overholt | Oct 2003 | B1 |
6669044 | Murakami et al. | Dec 2003 | B2 |
6691885 | Brown | Feb 2004 | B2 |
6726046 | Orset | Apr 2004 | B2 |
6776300 | Walsh | Aug 2004 | B2 |
6783032 | Fons | Aug 2004 | B2 |
6783058 | Quaintance | Aug 2004 | B2 |
6786394 | Prince | Sep 2004 | B2 |
6805254 | Tanzer et al. | Oct 2004 | B2 |
6820761 | Mouri et al. | Nov 2004 | B1 |
6838616 | Harrison et al. | Jan 2005 | B2 |
6863180 | Apps et al. | Mar 2005 | B2 |
6868979 | Rader | Mar 2005 | B2 |
6877628 | Nesting | Apr 2005 | B2 |
6899242 | Overholt et al. | May 2005 | B2 |
6902061 | Elstone | Jun 2005 | B1 |
6918502 | Overholt et al. | Jul 2005 | B1 |
6955273 | Hartwall | Oct 2005 | B2 |
6966449 | Williams | Nov 2005 | B2 |
7011225 | Oster et al. | Mar 2006 | B2 |
7017765 | Overholt | Mar 2006 | B2 |
7017766 | Hsu et al. | Mar 2006 | B2 |
7032765 | Miller et al. | Apr 2006 | B2 |
7044319 | Overholt et al. | May 2006 | B2 |
7048135 | Smyers et al. | May 2006 | B2 |
7059489 | Apps et al. | Jun 2006 | B2 |
7063223 | Iwahara et al. | Jun 2006 | B2 |
7083369 | Nyeboer | Aug 2006 | B2 |
7100786 | Smyers | Sep 2006 | B2 |
7104414 | Apps et al. | Sep 2006 | B2 |
7128209 | Bringard et al. | Oct 2006 | B2 |
7128231 | Overholt | Oct 2006 | B2 |
7137522 | Dubois | Nov 2006 | B2 |
7156249 | Heinrichs | Jan 2007 | B2 |
7159730 | Rumpel | Jan 2007 | B2 |
7195127 | Hsu et al. | Mar 2007 | B2 |
7258232 | Bradford et al. | Aug 2007 | B2 |
7264122 | Koefelda et al. | Sep 2007 | B2 |
7287661 | Knutsson et al. | Oct 2007 | B2 |
7311220 | Kellerer | Dec 2007 | B2 |
7331480 | Nolan | Feb 2008 | B1 |
7347328 | Hartwall | Mar 2008 | B2 |
7357269 | Apps | Apr 2008 | B2 |
7357271 | Hase et al. | Apr 2008 | B2 |
7370771 | Rader | May 2008 | B2 |
7416092 | Dubois et al. | Aug 2008 | B2 |
7438197 | Yamauchi | Oct 2008 | B2 |
7478734 | Vargas | Jan 2009 | B2 |
7484634 | Apps | Feb 2009 | B2 |
7540390 | Bublitz et al. | Jun 2009 | B2 |
7549550 | Smyers et al. | Jun 2009 | B2 |
7556165 | McDade | Jul 2009 | B2 |
7556166 | Parnall | Jul 2009 | B2 |
7708160 | Booth et al. | May 2010 | B2 |
7748330 | Dubois et al. | Jul 2010 | B2 |
7774919 | Bublitz et al. | Aug 2010 | B2 |
7828167 | Nolan | Nov 2010 | B2 |
7841487 | Miller et al. | Nov 2010 | B2 |
7861458 | Apps et al. | Jan 2011 | B2 |
7861879 | Samprathi | Jan 2011 | B2 |
8109402 | Hartwall | Feb 2012 | B2 |
8181806 | Hidalgo Vargas | May 2012 | B2 |
8210379 | Afflerbach et al. | Jul 2012 | B2 |
8267270 | Samprathi | Sep 2012 | B2 |
8308015 | Bradford | Nov 2012 | B2 |
8413831 | Nolan | Apr 2013 | B2 |
8434618 | Mitchell et al. | May 2013 | B2 |
8485376 | Samprathi | Jul 2013 | B2 |
8511496 | Van Der Korput et al. | Aug 2013 | B2 |
8727158 | Nolan | May 2014 | B2 |
8727165 | Nolan | May 2014 | B2 |
8820558 | Van der Korput et al. | Sep 2014 | B2 |
8820560 | Nolan | Sep 2014 | B2 |
20020108950 | Moorman et al. | Aug 2002 | A1 |
20040065699 | Schoer et al. | Apr 2004 | A1 |
20040149610 | Schutz | Aug 2004 | A1 |
20050103797 | Rader et al. | May 2005 | A1 |
20060011627 | Overholt et al. | Jan 2006 | A1 |
20070029319 | Speck | Feb 2007 | A1 |
20070056967 | Dobrinski et al. | Mar 2007 | A1 |
20070056977 | Dobrinski et al. | Mar 2007 | A1 |
20070068941 | Dubois | Mar 2007 | A1 |
20070075077 | Dubois | Apr 2007 | A1 |
20070095842 | Apps | May 2007 | A1 |
20070140684 | Tsang | Jun 2007 | A1 |
20070181587 | Burnham | Aug 2007 | A1 |
20070194023 | Apps et al. | Aug 2007 | A1 |
20070272579 | Cavalcante | Nov 2007 | A1 |
20070278223 | Ficker | Dec 2007 | A1 |
20080017638 | Bradford | Jan 2008 | A1 |
20080116199 | Bublitz et al. | May 2008 | A1 |
20080116201 | Baltz | May 2008 | A1 |
20080169285 | Marazita et al. | Jul 2008 | A1 |
20100018966 | Roberts, Sr. et al. | Jan 2010 | A1 |
20100038331 | Ydstrom | Feb 2010 | A1 |
20100072199 | Manuel | Mar 2010 | A1 |
20100239730 | Ditter | Sep 2010 | A1 |
20100275426 | Bublitz et al. | Nov 2010 | A1 |
20110127275 | Dubois | Jun 2011 | A1 |
20110139775 | Nolan | Jun 2011 | A1 |
20110210027 | Decroix | Sep 2011 | A1 |
20120152798 | Allegretti et al. | Jun 2012 | A1 |
20120205369 | Nolan | Aug 2012 | A1 |
20120261303 | Schutz | Oct 2012 | A1 |
20120318692 | Kellerer | Dec 2012 | A1 |
20130048522 | Lorenz et al. | Feb 2013 | A1 |
20130221003 | Carver et al. | Aug 2013 | A1 |
20140042175 | Nolan | Feb 2014 | A1 |
20140117035 | Petersen et al. | May 2014 | A1 |
20140252018 | Nolan | Sep 2014 | A1 |
Number | Date | Country |
---|---|---|
1319118 | Jun 1993 | CA |
2665281 | Nov 2009 | CA |
200930355382.X | Jul 2010 | CN |
200930355383.4 | Jul 2010 | CN |
200930355384.9 | Jul 2010 | CN |
201020111642.6 | Nov 2010 | CN |
201020145498.8 | Dec 2010 | CN |
201020159206.6 | Dec 2010 | CN |
201020198781.7 | Dec 2010 | CN |
201020132357.2 | Jan 2011 | CN |
201020218082.4 | Jan 2011 | CN |
201020218085.8 | Apr 2011 | CN |
201020169698.7 | May 2011 | CN |
135488 | Nov 1933 | DE |
0385914 | May 1990 | EP |
0485672 | May 1992 | EP |
0785142 | Jul 1997 | EP |
0768229 | Jul 1999 | EP |
1019293 | May 2002 | EP |
0737152 | Aug 2002 | EP |
1350728 | Oct 2003 | EP |
1418130 | May 2004 | EP |
1427641 | Jun 2004 | EP |
1461259 | Sep 2004 | EP |
1652646 | May 2006 | EP |
1440011 | Jun 2006 | EP |
1472147 | Sep 2006 | EP |
1827942 | Sep 2007 | EP |
1927552 | Jun 2008 | EP |
1935792 | Jun 2008 | EP |
1616803 | Oct 2009 | EP |
80400 | Oct 1961 | FR |
2272907 | Dec 1975 | FR |
2415689 | Jan 2006 | GB |
2425303 | Oct 2006 | GB |
2431921 | May 2007 | GB |
2431922 | May 2007 | GB |
2438506 | Nov 2007 | GB |
2443949 | May 2008 | GB |
2426237 | Dec 2008 | GB |
03381677 | Dec 2002 | JP |
1999-0061830 | Jul 1999 | KR |
323908 | May 1970 | SE |
522095 | Jan 2004 | SE |
0176960 | Oct 2001 | WO |
03024815 | Mar 2003 | WO |
03029090 | Apr 2003 | WO |
03059763 | Jul 2003 | WO |
03074376 | Sep 2003 | WO |
03078259 | Sep 2003 | WO |
03101846 | Dec 2003 | WO |
2004033311 | Apr 2004 | WO |
2004080830 | Sep 2004 | WO |
2004085779 | Oct 2004 | WO |
2004094250 | Nov 2004 | WO |
2004101376 | Nov 2004 | WO |
2005102852 | Nov 2005 | WO |
2006044488 | Apr 2006 | WO |
2006062894 | Jun 2006 | WO |
2007035464 | Mar 2007 | WO |
2007109468 | Sep 2007 | WO |
2008033668 | Mar 2008 | WO |
2009023830 | Feb 2009 | WO |
Entry |
---|
International Search Report for PCT/US08/73306 mailed Nov. 24, 2008 (2 pages). |
International Search Report for PCT/US2013/067243 mailed Feb. 7, 2014 (3 pages). |
International Preliminary Report on Patentability and Written Opinion of International Searching Authority for PCT/US2008/073306 mailed Feb. 16, 2010 (6 pages). |
Written Opinion of International Searching Authority for PCT/US2013/067243 mailed Feb. 7, 2014 (4 pages). |
Number | Date | Country | |
---|---|---|---|
20150136765 A1 | May 2015 | US |
Number | Date | Country | |
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61904836 | Nov 2013 | US |