Shelving system with clamp connectors
A shelving system is comprised of one or more shelves of rectangular outline, each shelf having an open-ended post receiving channel secured in each corner thereof. The post receiving channel is transversely oriented with respect to a support surface of the shelf and has a vertical opening facing inwardly of the shelf. The post has spaced-apart arresting formations on an outer wall portion thereof. A clamp is provided and has a clamping jaw with one or more connecting formations for interlocking with the arresting formations of the post. A latch urges the clamping jaw against an inner wall portion of the support post which projects in the vertical opening of the post receiving channels whereby the one or more connecting formations engage with the one or more arresting formations. The latch maintains a constant locking pressure against the clamping jaw to immovably secure the shelf to the support post at a desired position.
The present invention relates to a shelving system and wherein shelves are clampingly secured to corner posts by clamps which are latched and unlatched by a lever to provide a sturdy and easy-to-assemble shelf assembly
BACKGROUND ARTVarious shelf assemblies are known wherein a plurality of shelves are connectable to support posts. One major problem of such shelf assemblies is that they are difficult and time-consuming to assemble in order to secure a rigid connection of the shelf with the support posts. Often, a hammer or such other device is necessary in order to engage the connection of brackets with the support posts. Being difficult to assemble, they are also difficult to disassemble, if additional shelves need to be added to a shelf assembly. Most of the shelves are connected to the post by sliding corner connectors from the top of the posts and therealong. Usually, if a shelf is to be added, the other shelves need to be displaced to provide a different shelf spacing.
A still further problem with shelf assemblies of the above-described type is that during assembly of the shelving to the post it is often necessary to lay at least two posts on the floor surface and hold the shelves vertically thereover to effect the connections. Once all the shelves have been connected to two of these posts, then the other two posts are laid on the floor and the semi-assembled assembly is then placed over those two posts wherein the connectors have to be engaged at corresponding spacings to the already engaged two posts. This creates misalignment of shelves and waste of time in assembling and disassembling the shelf assembly in order to obtain proper alignment of the shelves with the posts. Skilled personnel is usually required to assemble these shelf assemblies. Still further, some of the shelf assemblies are not aesthetically pleasing to the eye due to the construction of the support posts and the clamping devices.
SUMMARY OF INVENTIONIt is therefore a feature of the present invention to provide a shelving system which substantially overcomes the above-mentioned disadvantages of the prior art.
Another feature of the present invention is to provide a shelving system which is easy to assemble and which provides a secure clamping connection of the shelves to the support posts.
Another feature of the present invention is to provide a shelving system wherein the shelves are easy to assemble and disassemble from the posts and wherein additional shelves can be added by easily displacing already assembled shelves in a simple, effective and quick manner.
Another feature of the present invention is to provide a shelving system which can be assembled with the post disposed vertically and the shelves connected horizontally and without the use of tools and by a non-expert person.
According to the above features, from a broad aspect, the present invention provides a shelving system which comprises one or more shelves of rectangular outline. Each shelf has an open-ended post receiving channel in each corner thereof. The post receiving channel is transversely oriented with respect to a shelf support surface of the shelf and has a vertical opening facing inwardly of the shelf. The channel is shaped to receive a support post in close fit therethrough with an inner wall portion of the support post facing the vertical opening. The inner wall has spaced-apart arresting formations on an outer surface thereof. A clamp having a clamping means is provided with one or more connecting formations for interlocking with the arresting formations. A latch is provided for urging the connecting formations against the inner wall portion of the support post with the one or more connecting formations in engagement with one or more of the arresting formations. The latch maintains a constant locking pressure against the clamping means to immovably secure the shelf to the support post at a desired position.
BRIEF DESCRIPTION OF DRAWINGSA preferred embodiment of the present invention will now be described with reference to the accompanying drawings in which:
Referring now to the drawings and more particularly to
With reference now to
As hereinshown, the support post 12 has an oval-like cross-section which defines opposed parallel side walls 19 and convex end walls 20 and 20′. Arresting formations 21, in the form of transverse notch depressions, are formed at the apex of the inner convex end wall 20. The support post is also fabricated of steel.
As illustrated, when the support post 12 is received within the post receiving channel 14, an inner wall portion of the end wall 20 of the post projects outwards of the vertical opening 18. The clamp assembly 13 is provided with a clamping jaw 22 which is provided on an inner surface thereof with connecting formations 23 as shown in
The clamping jaw 22 is connected to a latch 24 which urges the clamping jaw 22 against the convex end wall 20 of the support post with the connecting formations in engagement with the arresting formations. This latch 234, when in a closed or engaged position, as shown in
As hereinshown, the latch 24 is provided with a pivotal arm 25 whereby to engage and disengage the connecting formations 23 from the arresting formations 21 and hence disconnecting the clamping jaw 22 from the support post 12. The clamping jaw has a concave shape to embrace the convex end wall 20 of the support posts. As shown in the embodiments of
The pivotal arm 25 is pivotally secured at one end thereof to an end pivot connection 26 secured to a projecting rib 27 welded to the clamping jaw 22. A bracing arm 28 is pivotally connected to the pivotal arm 25 at a further pivot connection 29 spaced from the end pivot connection 26. The bracing arm 23 has a shelf-engaging end constituted by a U-shaped notch 30 formed in the free end 31 of the bracing arm and dimensioned to receive a wire rod, herein wire rod 32 of the shelf thereacross. When the latch is in the engaged position, as shown in
As hereinshown, the clamping jaw 22 is also provided with guide ribs 33 which maintain the clamping jaw in alignment in that these guide ribs are disposed on opposed sides of wire rods, herein wire rod 34.
As is also illustrated in
With reference now to FIGS. 3 to 6, there is shown another embodiment of the construction of the latch 24 and herein designated by reference numeral 24′. The latch 24′ is separate from the clamping jaw 22″. As hereinshown, the post receiving channel 14′ is also of U-shaped cross-section and defines post parallel side walls 40 and 40′ and a concave end wall 41. The clamping jaw 22′ is formed as a concave clamping wall, similar to that illustrated in
The latch 24′ is herein formed as an integrally casted or injected part and defines a cam formation 45 at an actuating end thereof opposite the pivotal arm 25′. When the arm 25′ is displaced to a shelf engaging position, as shown in
As shown in
Referring now more specifically to
As can be seen from
As hereinshown, the open-ended post receiving channel 70 is constituted by a pair of parallel spaced wire rods 71 and 71′ bent to form a U-shaped channel when viewed from above or below the wire shelf 60 whereby to receive the support post 12 in close fit therein. The two wire rods 71 and 71′ are formed from a single rod having an intermediate wire rod section 72 and define opposed parallel side wire sections, one side wire section denoted by reference numeral 71 and 71′ and the other one denoted by reference numeral 71″ and 71′″. The wires also define a concave end wire section 73 and shaped for close fit about the curved edge wall 12′ of the support post. The clamping plate 51 may also be provided with notches 74 and 74′ to loosely receive the wire rods 71, 71′ and 71″, 71′″ therein to guide the plate and to retain it in position during its actuation by the pivotal arm.
Referring now to
It can readily be seen that with the shelving system as described herein, shelves are easily connected and disconnected from the support post 12. To construct a shelf assembly as shown in
Referring now to FIGS. 11 to 14, there is shown a further embodiment of the clamp 90 and as hereinshown the clamp has a latch section 91 having a hook end 92 for securing at its free end a clamping means, herein constituted by a wire rod clamping member 93. The clamping member 93 is illustrated at
The latch 91 is also a wire-rod latch formed of a single wire rod bent in two sections to provide a pair of closely spaced equal length wire rods 97 and 97′ and each defining a hook 98 and 98′ at its free end to constitute the hook end 92. The latch 91 has a clamping formation 99 for engaging a transverse edge of the shelf which is spaced forwardly of the vertical opening and herein constituted by the transverse wire rod 36.
The clamping formation 99 is constituted by an upward bend in the latch rods 97 and 97′ and this bend is spaced a predetermined distance from the wire rod clamping member 93. This upward bend merges into a substantially transverse handle formation 100 integrally formed therewith and at the opposed end of the latch. The predetermined distance of the upward bend from the clamping member 93 is calculated in relation to the distance between the inner wall portion 20 of the support post 12 and the transverse wire rod 36 whereby an outer face 101, see
With reference now to
The rectangular wire rod member 110 is secured to the wire rod latch 100 as previously described with reference to FIGS. 11 to 14 but wherein the wire rods 97 and 97′ have been flattened at their free end to form a flat connection shoe 113 and 113′ respectively to secure to a respective one of the parallel vertical wire rod sections 112 and 112′ by means of welding. This provides a very rigid connection and prevents any movement of the wire rod clamping member with the latch.
It is within the ambit of the present invention to cover any obvious modifications of the preferred embodiment described herein. Although the shelves as hereinshown are illustrated as wire rod shelves, it is to be understood that the shelves could be fabricated from plastic materials or they may have a solid support surface. Other obvious modifications become apparent to a personnel skilled in the art from a reading of the present specification.
Claims
1. A shelving system comprising one or more shelves of rectangular outline, each shelf having an open-ended post receiving channel in each corner thereof, said post receiving channel being transversely oriented with respect to a support surface of said shelf and having a vertical opening facing inwardly of said shelf, said channel being shaped to receive a support post in close fit therethrough with an inner wall portion of said support post facing said vertical opening, said inner wall having spaced-apart arresting formations on an outer surface thereof, a clamp having clamping means provided with one or more connecting formations for interlocking with said arresting formations, and a latch for urging said connecting formations against said inner wall portion of said support post with said connecting formations in engagement with one or more of said arresting formations, said latch maintaining a constant locking pressure against said clamping means to immovably secure said shelf to said support post at a desired position.
2. A shelving system as claimed in claim 1 wherein said clamping means is a clamping jaw.
3. A shelving system as claimed in claim 2 wherein said latch has a pivotal arm whereby to engage and disengage said connecting formations with said arresting formations.
4. A shelving system as claimed in claim 3 wherein said clamp is removably securable to said shelf.
5. A shelving system as claimed in claim 3 wherein said clamp is pivotally and permanently secured to said shelf by a pivotal connection to a wire rod of said shelf.
6. A shelving system as claimed in claim 3 wherein said pivotal arm is pivotally secured at one end thereof to an end pivot connection projecting from an outer surface of said clamping jaw, a bracing arm pivotally connected to said pivotal arm at a further pivot connection spaced from said end pivot connection, said bracing arm having a shelf engaging end for detachable connection to an engageable element of said shelf disposed in a plane substantially aligned with a central pivot axis of said end pivot connection.
7. A shelving system as claimed in claim 6 wherein said pivotal arm is further provided with flexible retention means to engage said pivotal arm with an element of said shelf when said pivotal arm is in a shelf engaging position.
8. A shelving system as claimed in claim 7 wherein said shelf is a wire-rod steel shelf, said bracing arm shelf engaging end being constituted by a U-shaped notch formed in a free end of said bracing arm and dimensioned to receive a wire rod of said shelf thereacross.
9. A shelving system as claimed in claim 8 wherein said flexible retention means is a spring clip shaped to snappingly engage a wire rod of said steel shelf.
10. A shelving system as claimed in claim 3 wherein said support post has an oval-like cross-section defining opposed parallel side walls and convex end walls, said post receiving channel having a U-shaped cross-section defining opposed parallel side walls and a concave end wall, said clamping jaw having a concave clamping surface provided with said one or more connecting formations, said inner wall portion being an inner wall portion of an inner one of said convex end walls.
11. A shelving system as claimed in claim 10 wherein said arresting formations are transverse notch depressions formed at the apex of inner wall portions, said connecting formations being one or more transverse ribs formed in said concave clamping surface.
12. A shelving system as claimed in claim 3 wherein said pivotal arm is pivotally secured to a pivot connection of said shelf spaced adjacent said clamping jaw, said latch having a cam formation at an actuating end thereof opposite said pivotal arm, said arm when displaced to a shelf engaging position causing said cam to apply a clamping force against said clamping jaw.
13. A shelving system as claimed in claim 12 wherein said shelf is a wire-rod steel shelf, said pivotal arm having a U-shaped cavity under said pivotal arm forwardly of said cam formation for snap-engagement with a wire rod to constitute said pivot connection, said pivotal arm lying below said support surface when said latch is in said shelf engaging position.
14. A shelving system as claimed in claim 12 wherein said post receiving channel has a U-shaped cross-section defining opposed parallel side walls and a concave wall, said clamping jaw has a concave clamping end wall provided with said one or more connecting formations, said side walls of said clamping jaws having outer projecting tabs received in respective guide slots disposed in said parallel side walls of said post receiving channel.
15. A shelving system as claimed in claim 14 wherein said arresting formations are transverse notch depressions formed at the apex of inner wall portions, said connecting formations being one or more transverse ribs formed in said concave clamping surface.
16. A shelving system as claimed in claim 12 wherein said latch is a one-piece latch detachably securable to said shelf adjacent said clamping jaw.
17. A shelving system as claimed in claim 10 wherein said opposed parallel side walls of said post receiving channel have outwardly sloping end edges, said clamping jaw concave clamping surface having opposed inner wall end portions disposed for sliding displacement on said outwardly sloping end edges when urged thereon by said latch.
18. A shelving system as claimed in claim 5 wherein said channel is constituted by a pair of parallel spaced wire rods bent to form a U-shaped channel when viewed from above or below said shelf whereby to receive in close fit therein said support post, said support post having an oval-like cross-section defining opposed parallel side walls and convex end walls, said U-shaped channel defining opposed parallel side wire sections and concave end wire sections, said clamping jaw is a flat clamping plate having a flat clamping surface provided with said one or more connecting formations.
19. A shelving system as claimed in claim 18 wherein said flat clamping plate is provided with a pair of spaced notches in opposed parallel vertical side edges thereof for receiving in sliding fit therein a respective one of said parallel spaced wire rods of said opposed parallel side wire sections.
20. A shelving system as claimed in claim 5 wherein said post receiving channel has a U-shaped cross-section defining opposed parallel side walls and a concave end wall, said clamping jaw being a flat clamping plate having a flat end wall provided with said one or more connecting formations, said side walls of said clamping plate having outer projecting tabs received in respective guide slots disposed in said parallel side walls of said post receiving channel whereby to guidingly displace said clamping plate from an engaged to a disengaged position by the actuation of said pivotal arm.
21. A shelving system as claimed in claim 20 wherein said guide slots are curved guide slots.
22. A shelving system as claimed in claim 3 wherein there are provided four of said support posts secured to respective post receiving channels secured in each corner of a plurality of said shelves.
23. A shelving system as claimed in claim 1 wherein said clamping means is a wire rod clamping member shaped to provide said one or more connecting formations as spaced transverse straight rod sections.
24. A shelving system as claimed in claim 23 wherein said wire rod clamping member is secured to a free end of said latch, said latch having a clamping formation for engaging a transverse edge of said shelf spaced forwardly of said vertical opening.
25. A shelving system as claimed in claim 24 wherein said clamping formation is constituted by an upward bend in said latch spaced a predetermined distance from said wire rod clamping member, said upward bend merging into a substantially transverse handle formation integrally formed therewith at an opposed end of said latch.
26. A shelving system as claimed in claim 25 wherein said shelf is a wire-rod shelf constructed of transversely connected wire rods, said transverse edge being a transverse wire rod of said shelf.
27. A shelving system as claimed in claim 26 wherein said latch is a wire-rod latch, said predetermined distance of said upward bend being calculated in relation to a distance between said inner wall portion of said support post and said transverse wire rod whereby an outer face of said bend of said wire-rod latch can be clamped under pressure over a forward face of said transverse wire rod by applying a downward pressure against said handle formation to pressure clamp said connecting formations into said arresting formations of said post.
28. A shelving system as claimed in claim 27 wherein said wire-rod clamping member is formed by a single wire rod bent in S-shape with opposed half sections of said S-shape being angled with respect to one another and to a connecting transverse straight wire section.
29. A shelving system as claimed in claim 28 wherein said wire-rod latch is formed by a single wire rod bent to provide a pair of closely spaced equal length wire rods.
30. A shelving system as claimed in claim 29 wherein said pair of wire rods have a hook formed at said free end to engage said connecting transverse straight wire section of said wire-rod clamping member.
31. A shelving system as claimed in claim 23 wherein said wire rod clamping member is secured to a free end of said latch, said clamping member being a rectangular wire rod member having opposed parallel horizontal wire sections and opposed parallel vertical wire sections, said horizontal sections being spaced and dimensioned to clamp into opposed ones of a pair of said arresting formations of said post.
32. A shelving system as claimed in claim 31 wherein said latch has a clamping formation for engaging a transverse edge of said shelf spaced forwardly of said vertical opening.
33. A shelving system as claimed in claim 32 wherein said clamping formation is constituted by an upward bend in said latch spaced a predetermined distance from said wire rod clamping member, said upward bend merging into a substantially transverse handle formation integrally formed therewith at an opposed end of said latch.
34. A shelving system as claimed in claim 33 wherein said shelf is a wire-rod shelf constructed of transversely connected wire rods, said transverse edge being a transverse wire rod of said shelf.
35. A shelving system as claimed in claim 34 wherein said latch is a wire-rod latch, said predetermined distance of said upward bend being calculated in relation to a distance between said inner wall portion of said support post and said transverse wire rod whereby an outer face of said bend of said wire-rod latch can be clamped under pressure over a forward face of said transverse wire rod by applying a downward pressure against said handle formation to pressure clamp said horizontal wire sections of said clamping member into said arresting formations of said post.
36. A shelving system as claimed in claim 35 wherein said vertical wire sections of said clamping member are welded to a free end of a pair of parallel straight wire rods of said wire rod latch.
Type: Application
Filed: Aug 31, 2004
Publication Date: Mar 2, 2006
Inventor: Antoine Trubiano (Montreal)
Application Number: 10/929,478
International Classification: A47B 9/00 (20060101);