COLLAPSIBLE CONTAINER
A container includes a plurality of walls extending upward from a base. At least one support is movable between a retracted position and a support position. The support may include a contact surface that is angled inwardly into the container for support an upper container thereon. The support may include a tab projecting upwardly from an exterior edge of the support to help retain the upper container on the support.
This application claims priority to U.S. Provisional Application No. 61/033,858, filed Mar. 5, 2008.
BACKGROUND OF THE INVENTIONThe present invention relates generally to collapsible crates and more particularly to a collapsible crate with support members for supporting another container thereon.
Collapsible crates are well known. Four walls each connected via a hinge to a base are selectively movable about the hinge between a use position, in which the wall is generally perpendicular to the base, and a collapsed position onto the base. Various latch mechanisms have been provided to connect adjacent walls at the corner to selectively lock the crate in the use position.
Some collapsible crates also include retractable supports so that another container can be supported thereon. One such crate includes end walls each having a support that is partially supported on the adjacent walls when in the support position. One problem with some of these crates is retaining the upper container stacked on the supports. Another problem is that supports are sometimes knocked back toward the retracted position as the upper container is placed on the supports.
SUMMARY OF THE INVENTIONThe present invention provides a container having a plurality of walls extending upwardly from a base. At least one wall has a support pivotably mounted by a hinge. The support is pivotable between a support position where it can support another container thereon and a retracted position against the wall. The support may include a contact surface that is angled inwardly into the container for supporting an upper container thereon. In another feature, the support may include a tab projecting upwardly from an exterior edge of the support to help retain the upper container on the support.
In the particular embodiment shown, the walls are collapsible onto the base for ease of storage and shipping when empty. The supports are formed on short end walls of the container, such that the supports and end walls can be collapsed onto the base and the long side walls can be pivoted onto the end walls. Alternatively, the supports could be formed on the long walls (or on equally-sized walls). Also, the supports could be pivotably and/or slidably mounted to the walls.
Referring to
The interiors of the side walls 14 each include an upper frame portion 22 protruding into the container 10. A curved channel 24 is formed through each upper frame portion 22 adjacent the end wall 18. The interior of each side wall 14 further includes a lower frame portion 26 having a channel 28 formed therethrough below each curved channel 24. A recess 30 is defined between the upper frame portion 22 and the lower frame portion 26. The base 12 includes a pair of side upstanding portions 32 to which the side walls 14 are pivotably attached. Each side upstanding portion 32 includes a channel 34 formed on an interior thereof, below each channel 28. The channels 24, 28 and 34 are aligned with one another and with the tabs 21 on the supports 20, so that the end walls 18 can be pivoted to the collapsed position prior to the side walls 14 being collapsed, such that the side walls 14 are collapsed onto the end walls 18, as shown in
When another container 100 is stacked on the supports 20, as shown in
As shown in
The contact surfaces 56 have a profile that matches that of the lower ribs 102 (which are the lower contact surfaces) of the upper container 100 as shown. This reduces the tendency of the angled surface of lower ribs 102 to push the support 20 back toward the end wall 18. The matching profiles of the lower ribs 102 and the contact surfaces 56 results in a more downward force being applied to the supports 20, which keeps the supports 20 engaged in front of the steps 40 on the rails 38 in the side walls 14 (
The hinge connection between the support 20 and the end wall 18 includes sufficient tolerance for the support 20 to be lifted over and onto the step 40 by the user, as shown in
In accordance with the provisions of the patent statutes and jurisprudence, exemplary configurations described above are considered to represent a preferred embodiment of the invention. However, it should be noted that the invention can be practiced otherwise than as specifically illustrated and described without departing from its spirit or scope. For example, in any of the occurrences above, the hinge members and hinge pins could be reversed and formed on opposite parts. Alphanumeric identifiers on method steps are for convenient reference in dependent claims and do not signify a required sequence of performance unless otherwise indicated in the claims.
Claims
1. A container comprising:
- a base;
- a plurality of walls extending upward from the base, the plurality of walls including a first wall and a second wall;
- a support mounted to the first wall and movable relative to the first wall between a retracted position and a support position; and
- at least one contact surface on an upper surface of the support, the at least one contact surface angled inwardly toward the interior of the container when the support is in the support position.
2. The container of claim 1 wherein the plurality of walls are collapsible onto the base.
3. The container of claim 1 wherein the support is partially supported on the second wall in the support position.
4. The container of claim 1 wherein the container is a lower container with an upper container stacked thereon, the upper container stacked on the support of the lower container, the upper container having a lower contact surface angled downwardly toward the interior of the lower container, the lower contact surface abutting the at least one contact surface.
5. The container of claim 1 wherein the support further includes at least one tab projecting upwardly from an exterior portion of the support.
6. The container of claim 5 wherein the support includes a back rail extending along the exterior portion of the support, the at least one tab projected upwardly from the back rail.
7. The container of claim 4 wherein the upper container includes a vertical external surface adjacent a curved surface leading to an underside of the upper container, the support further includes at least one tab projecting upwardly from an exterior portion of the support, the at least one tab abutting the vertical exterior surface of the upper container.
8. A container comprising:
- a base;
- a plurality of walls extending upward from the base, the plurality of walls including a first wall and a second wall;
- a support mounted to the first wall and movable relative to the first wall between a retracted position and a support position; and
- at least one tab projecting upwardly from an exterior portion of the support.
9. The container of claim 8 wherein the plurality of walls are collapsible onto the base.
10. The container of claim 8 wherein the support includes a back rail extending along the exterior portion of the support, the at least one tab projected upwardly from the back rail.
11. The container of claim 8 wherein the support is partially supported on the second wall in the support position.
12. The container of claim 8 further including at least one contact surface on an upper surface of the support, the at least one contact surface angled inwardly toward the interior of the container when the support is in the support position.
13. The container of claim 12 wherein the container is a lower container with an upper container stacked thereon, the upper container stacked on the support of the lower container, the upper container having a lower contact surface angled downwardly toward the interior of the lower container, the lower contact surface abutting the at least one contact surface.
14. The container of claim 13 wherein the upper container includes a vertical external surface adjacent a curved surface leading to an underside of the upper container, the at least one tab abutting the vertical exterior surface of the upper container.
15. The container of claim 8 wherein the first wall includes a lip extending from an uppermost edge of the first wall toward an interior of the container, the lip including at least one opening for accommodating the at least one tab when the support is in the retracted position.
Type: Application
Filed: Mar 5, 2009
Publication Date: Sep 10, 2009
Inventor: Mauricio D. Cavalcante (Atlanta, GA)
Application Number: 12/398,601
International Classification: B65D 6/16 (20060101); B65D 6/24 (20060101);