|Publication number||US2852028 A|
|Publication date||Sep 16, 1958|
|Filing date||Jul 18, 1956|
|Priority date||Jul 18, 1956|
|Publication number||US 2852028 A, US 2852028A, US-A-2852028, US2852028 A, US2852028A|
|Inventors||Patterson Edward D, Schmidt Robert G|
|Original Assignee||Oxford Filing Supply Co Inc|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (4), Referenced by (10), Classifications (7)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Sept. 16, 1958 E. D. PATTERSON ET AL SUSPENSION FILE SUPPORT FRAME l Filed July 18, 1956 A 'Arme/Viv? United States Patent O 1 2,852,028 SUSPENSION FILE SUPPORT FRAME Edward D. Patterson, Sea Clil, and Robert G. Schmidt, Freeport, N. Y., assignors, by mesne assignments, to Oxford Filing Supply Co. Inc., Garden City, N. Y., a corporation of New York Application July 18, 1956, Serial No. 598,707 1 Claim. (Cl. 129-16) This invention involves improvements in suspension le support frames.
One f the objects of this invention is to provide a support frame for suspension tiles which is adjustable in length and characterized by a construction which does not interfere with the sliding movement of the suspension les on the frame.
A specic object of the invention is to provide a construction in a frame of this kind in which the telescoping members which permit adjustability are constructed so as to provide a camming action as the support rods for the le slide over the joint between the telescoping parts.
Other and more detailed objects of the invention will be apparent from the following description of the embodiment thereof illustrated in the attached drawings.
In the drawings,
Figure l is a perspective View of the structure of this invention;
Figure 2 is a plan view of one of the telescoping rail parts with some parts broken away;
Figure 3 is a cross-sectional view taken on the line 3-3 of Figure 2;
Figure 4 is a cross-sectional View taken on the line 4 4 of Figure 3; and
Figure 5 is a developed view of one of the rail section showing the camming edge.
The supporting frame for a suspension file is commonly constructed so that it will be received within the drawer of a filing cabinet. In practical use these frames are desirably adjustable in length either for the purpose of fitting cabinet drawers of various lengths, or for adjusting the frame to hold varying quantities of suspension files.
These suspension files are usually in the form of V-shaped pockets having a pair of suspension rods attached to the top edges of the pockets. These rods are` slidably mounted on the rails of the frame. When the frame is adjustable `for the form in which the rails are each made of a pair of telescoping parts, the joint betweeen the parts forms an obstruction which interferes with the smooth sliding movement of the suspension rods along the top edges. The general purpose of this invention is to provide a construction in an adjustable or expanded support frame which will insure smooth sliding action of the suspension le rods throughout the full length of the frame rails when of the telescoping type for adjustment purposes.
Referring to the drawings, the particular frame illustrated consists of a pair of generally U-shaped front and back standards 10 and 12. The free ends of the frames are bent outwardly and terminate at their ends in short flanges. Cooperating with these frames are a pair of clamp rods 14 and 16 which likewise terminate in sharply bent ends. The clamp rods are provided with holes to receive locking screws 18 and 20 which threadedly en gage the frames 10 and 12.
Each rail consists of three parts, as illustrated. One part of each rail, illustrated at 26 and 28, consists of a smooth bar of rectangular cross-section, dimensioned so that it can be firmly clamped between the ends of the front standard 10 and the clamping rod 14 by the screws 18. The other section of each rail consists of a U-shaped lout presenting an obstruction to their movement.
2,852,028 iatented Sept. 16, 1958 ice channel 30 and 32, provided with slots 34 and 36 respectively on their outer faces, in which machine screws 38 and 46 may slide. 'The screws 38 and 40 are threadedly engaged in and near the ends of the bars 26 and 28, which extend intothe channel members 30 and 32 respectively and are adjustably secured thereto by means of the screws 3S and 40. The short bars 22 and 24 are clamped by means of the screws 20 to the rear standard 12 and clamping rod 16. The channel members 30 and 32 are secured to the short bars 22 and 24 in any suitable manner, as for example by welding, as diagrammatically illustrated in Figure 3. One of the suspension files with its supporting rods resting on the rails is shown generally at 46.
An important feature of the invention is the construction of the free ends of the channels 30 and 32. As shown, instead of being rectangular at that end they are provided with a continuously curved edge 42 and 44, respectively, well illustrated in the drawings so that that portion of these curved ends which overlies the top edges of the rails 26 and 28 does not provide an abrupt shoulder. Where the curved edges 42 and 44 pass over the top edges of the rails 26 and 28 they form a continuous smooth camming surface which causes'the hookedv ends of the suspension rods to glide smoothly in passing from the bars 26 and 28 to the channels 30 and 32 with- Thus, although there is a joint between the rail parts they do not interfere with the sliding movement of the tiles in either direction, and as a matter of fact, do not even cause a jolting movement as the rods pass from one rail part to the other in either direction.
As the rods move toward the joint their notched ends engage the curved edges 42 and 44 in advance of the point where the rods ride onto the channels with a gentle angular contact which causes the rods to glide smoothly from the parts 26 and 28 onto the top edges of the channels 30 and 32. Another way to look at this vfeature is that at no point are the edges of the channels normal or at right angles to the hanger rods.
From the above description it will be apparent to those skilled in the art that the subject matter of this invention is capable of some variation without departure from the novelty thereof. It is preferred, therefore, that the scope of protection afforded by this patent be determined by the claim rather than the illustrative example herein disclosed.
What is claimed is:
A rail construction for a lengthwise adjustable suspension tile assembly comprising a pair of parallel rails, each consisting of a male part and a female part interconnected in telescoping relation, each female part comprising at least a pair of side walls and a connecting wall extending across the top of the male part telescoped therewith, the end delining edge of one side wall of each female part at the male entry end being curved upwardly and rearwardly, the corresponding and dening edge of the other side wall being curved downwardly and rearwardly, and the corresponding end dening edge of the associated connecting wall extending rearwardly and obliquely from said end defining edge of the one side wall to said end defining edge of the other side wall across the top of the associated male part.
References Cited in the tile of this patent
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|US2278403 *||Jul 25, 1941||Mar 31, 1942||Oxford Filing Supply Co||File support|
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|FR765510A *||Title not available|
|Citing Patent||Filing date||Publication date||Applicant||Title|
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|US5971166 *||Feb 16, 1999||Oct 26, 1999||Ong; Bon S.||Hanging box file with compartments|
|U.S. Classification||211/162, 16/96.00R, D19/90, 312/184|