US3510187A - Cabinet shelf construction - Google Patents

Description

May 5, 1970 K. D. SCHREYER CABINET SHELF CONSTRUCTION Original Filed March 29, 1966 5 Sheets-Sheet 1 FIG.

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3 O 0 7 6 I 7 2 r 2 W 3 7 3 x 3 6 m r 5 f 3 m I I I I I I k i I I I I II: III lllllll-II'IIIII IIIIIIIIIII I w Ju IIH|I|+ 3 United States Patent 3,510,187 CABINET SHELF CONSTRUCTION Kenneth D. Schreyer, Doylestown, Pa., assignor to Lyon Metal Products, Incorporated, Aurora, 111., a corporation of Illinois Original application Mar. 29, 1966, Ser. No. 538,423. Divided and this application Jan. 10, 1968, Ser. No. 713,555

Int. Cl. A47b 17/00 US. Cl. 312304 9 Claims ABSTRACT OF THE DISCLOSURE The present invention is directed to a storage cabinet and shelf construction comprising a cabinet including a body having a front opening therein, a front frame positioned at the forward portion of the body and secured thereto and including a pair of vertically extending frame members, each of the frame members having a first fastener element thereon arranged on the rear side thereof, a shelf disposed in the body and extending rearwardly thereinto from the frame members, and a pair of mounting brackets disposed on the opposite sides of the shelf and secured thereto and each including a second fastener element arranged on the forward end thereof, the first and second fastener elements cooperating to mount the shelf on the frame members and extending rearwardly therefrom in cantilever fashion.

This application is a division of the co-pending application, Ser. No. 538,423 now Patent No. 3,410,621, filed Mar. 29, 1966, for Storage Construction.

The present invention relates to storage assemblies and particularly to an improved cabinet shelf therefor.

An important object of the present invention is to provide a cabinet and shelf construction wherein the shelf is supported interiorly of the cabinet on the front frame thereof and extending rearwardly therefrom in cantilever fashion with no other support therefor.

A further object of the invention is to provide an improved shelf constructed for mounting in cantilever fashion within a cabinet from the front frame thereof.

Further features of the invention pertain to the particular arrangement in a storage assembly of the shelf therein and the various parts thereof whereby the above-outlined and additional operating features thereof are attained.

The invention, both as to its organization and method of operation, together with further objects and advantages thereof, will best be understood byreference to the following specification taken in connection with the accompanying drawings, in which:

FIG. 1 is a front perspective view of a storage assembly made in accordance with and embodying the principles of the present invention;

FIG. 2 is a front elevational view of the storage assembly of FIG. 1;

FIG. 3 is a rear elevational view of the storage assembly of FIGS. 1 and 2;

FIG. 4 is an end elevational view of the storage assembly of FIGS. 1 to 3;

FIG. 5 is an exploded view of the storage assembly of FIGS. 1 to 4 with the three sliding doors removed from the cabinet disposed to the right;

FIG. 6 is an exploded perspective view of a shelf and the supporting structure therefor that is positioned in the storage unit of the FIG. 5;

FIG. 7 is a side elevational view of the shelf of FIG. 6 With the parts in the assembled position;

FIG. 8 is an enlarged side elevational view of the shelf of FIGS. 7 and 8 and illustrating the mounting thereof on the associated storage unit frame member; and

FIG. 9 is a plan view of the shelf with certain portions broken away and showing the mounting thereof on the associated frame members.

Referring now to the drawings, and particularly to FIGS. 1 to 4 thereof, there is illustrated a storage assembly or backbar made in accordance with and embodying the principles of the present invention. The storage assembly 100 includes a top 101 and a base 150 bet-ween which are disposed three storage units, more specifically, a cabinet or bookcase 200 provided with sliding doors, a pedestal 400 with four drawers therein, and a cabinet 600 provided with a swinging door. Each of the storage units 200, 400 and 600 is firmly secured to the top 101 and is also firmly secured to the base 150, thereby to provide an integrated unitary storage assembly 100. There further are provided finishing end panels 500 on either end of the storage assembly to improve the appearance thereof.

The details of the construction of the top 101 will now be described with particular reference to FIG. 5 of the drawings. The top 101 includes a generally flat top plate 102 that is formed of sheet metal and is generally rectangular in shape, the corners thereof being rounded, the periphery of the top plate 102 being essentially the same as the periphery of the top 101. Disposed beneath the top plate 102 and extending around the periphery thereof is an edging 103.

Also disposed on the underside of the top plate 102 is a reinforcing sheet formed from a substantially flat piece of sheet metal bent to provide a plurality of spaced apart ribs 112 joined together by attachment portions, the attachment portions being connected to the top plate 102 by use of a body of mastic disposed therebetween and by use of welds. Also mounted beneath the top 102 are two longitudinally-extending, substantially-parallel, spacedapart mounting channels for use in mounting the storage units 200, 400, and 600 upon the top 101. To complete the top 101, a decorative trim is provided therearound.

Referring now to FIGS. 1 to 5 of the drawings, the details of construction of the base will be described. As illustrated, the base 150 is essentially rectangular in shape and is formed from a front frame member 151 and a rear frame member 160 that are suitably interconnected as by welding. The front frame member 151 is more particularly U-shaped' and has a pair of integral side frame members at either end thereof disposed substantially normal thereto and extending rearwardly therefrom. The front frame member 151 further has an integral upper flange 152 and an integral lower flange (not shown) extending rearwardly therefrom and substantially parallel to each other. The side frame members 155 likewise have upper flanges 156 on the upper edges thereof and lower flanges 157 on the lower edges thereof extending normal to the associated side frame member 155 and substantially parallel to each other. Each of the lower flanges 157 has thereon adjacent to the rear end thereof a downwardly extending embossment providing a foot 158.

The rear frame member 160 likewise has an upper flange 161 and a lower flange 162 thereon disposed parallel to each other and extending forward and overlapping the flanges 156 and 157 on the side frame members 155. In order further to rigidify the base 150, a plurality of braces 165 has been provided, three of the braces 165 having been illustrated and disposed substantially equidistantly along the length of the base 150 and extending between the front frame member 151 and the rear frame member 160. Each of the braces 165 has a pair of side flanges 166 thereon extending downwardly therefrom and has the outer ends thereof disposed beneath the associated flange 152 or 161, as the case may be, and secured thereto as by welding at 169. Finally, a forward row of openings 167 is provided across the base 150, one of the openings 167 being provided in the lefthand flange 163, a pair of the openings 167 being provided in each of the braces 165 and an opening 167 being provided in the righthand flange 156. A similar row of rear openings 168 is provided across the base 150, one of the openings 168 being provided in the lefthand flange 156, a pair of the openings 168 being provided in each of the braces 165 and one of the openings 168 being provided in the righthand flange *15 6.

The details of construction of the righthand storage unit 200 will now be described with special reference to FIG. 5 of the drawings. The storage unit 200 is in the form of a cabinet or bookcase and comprises a body 201 including a substantially rectangular rear wall 202, and a pair of substantially rectangular side walls 203 extending forwardly therefrom and disposed substantially perpendicular thereto and parallel to each other. The upper edge of the rear wall 202 carries a top rear flange 204 and the upper edges of the side walls 203 carry top side flanges 205. The forward edges of the side walls 203 carry inwardly directed front flanges 209 that extend substantially vertically.

Disposed at the forward portion of the cabinet body 201 is a front frame 210, the details of construction of which are best illustrated in FIG. 5 of the drawings, and fromthose views it will be seen that the frame 210 is formed of a substantially U-shaped channel 211 having the legs thereof disposed vertically with the upper ends of the legs integrally joined to form the U-shape thereof. Further details of this construction are disclosed in the copending application of Kenneth D. Schreyer, Ser. No. 503,157, filed Oct. 23, 1965 for Desk Construction, now Pat. No. 3,363,955. It will be seen therefore that the front frame 210 extends upwardly through the cut out portions of the side top flanges 205 with the flanges 209a disposed adjacent to the forward surfaces thereof and with the side walls 203 firmly secured thereto both by welding and by the mastic disposed therebetween.

A rear top support 220 is disposed adjacent to the rear end of the cabinet 200, the ends of the support 220 having respectively therein upwardly-extending embossments 223, each having an opening adapted to receive the fastener for mounting the cabinet 200 on the top -101. A bottom wall 230 is also provided in the cabinet 202, the bottom wall 230 being carried on the lower ends of the Side walls by flanges thereon (not shown). The front opening of the cabinet 200 defined by the front frame 210 is provided with a door structure, so that this front opening can be closed when desired and selectively opened when required. To this end three sliding doors 240, 260, and 280 have been provided in the front opening and mounted upon lower track structure 300 and upper track structure 310, the lower track structure 300 including a front track 315, a middle track 316, and a rear track 317.

Disposed within the cabinet 200 and extending rearwardly therefrom and supported therein in cantilever fashion is a shelf 350, the mounting and construction of the shelf 350 being best illustrated in FIGS. 5 to 9 of the drawings. The shelf 350 includes a generally rectangular main panel 351 formed of sheet metal and having integral therewith a forwardly directed forward portion 352 having a width less than that of the main panel 351; preferably the width of the main panel 351 is only slightly less than the distance between the side walls 203 of the cabinet 200 whereas the width of the forward portion 352 is slightly less than the distance between the vertical frame members 211 of the front frame 210. Integral with the forward edge of the forward portion 352 is a depending front flange 353 on the lower edge of which is provided a rearwardly directed bottom flange 354. Each side edge of the main panel 351 has a depending side flange 355 thereon and the rear edge of the main panel 351 also has a depending rear flange 356 thereon, the flanges 355 and 356 being joined as by welding to increase the strength of the shelf 350.

In order to mount the shelf 350 upon the front frame 210, a pair of mounting brackets 360 has been provided, the mounting brackets being identical except that one is the mirror image of the other, whereby only one of the brackets 360 will be described in detail and like reference numerals supplied to like parts of both. The bracket 360 includes a main wall 361 which has a substantially horizontal upper edge and substantially vertically arranged front and rear edges and an upwardly and rearwardly inclined bottom edge. The forward edge has an integral front flange 362 thereon directed inwardly and carrying on the inner edge thereof a pair of vertically spaced apart hooks 363. The books 363 are spaced apart and dimensioned such that they will fit into an associated pair of vertically elongated slots 225 provided in an adjacent channel frame member 211, thereby to mount the bracket 360 and the connected shelf 350 thereon. Integral with the upper edge of the main wall 361 is an inwardly directed to-p flange 364 which carries on the inner edge thereof a depending inner flange 365 which has on the forward end thereof an outwardly extending support arm 366 which is disposed against an inner surface of the associated channel 211 when the shelf is in the mounted position thereof, the arm 366 being disposed beneath the adjacent edge of the forward portion 352 and extending forwardly substantially to the front ange 353. The brackets 360 are fixedly secured to the main panel 351 and the forward portion 352 as by welding at the points 367, the side anges 355 also being welded to the bracket main wall 361. There further is provided for reinforcement purposes a pair of reinforcing channels 370', the channels 370 being disposed on the undersurface of the main wall 351 and being disposed laterally with respect thereto and positioned between the brackets 360. Each of the channels 370 includes a main wall 371 spaced downwardly from the underside of the main panel 351 and having on the longitudinally extending edges thereof upwardly directed side flanges 372. The side flanges 372 extend up to the underside of the main panel 351 and have integral therewith outwardly directed attachment flanges 373. The attachment flanges 373 are secured to the shelf main panel 351 also by welding as at 367. As a result of the described construction, the shelf 350 has a very rigid and strong construction whereby it can readily be mounted upon the front frame 210 and extends rearwardly therefrom and is supported in cantilever fashion thereby, no other support being required therefor. More specifically, the hooks 363 on the brackets 360 engage in an adjacent pair of the slots 225 in the rear edges of the front frame 210. The front flange 362 of each of the brackets 360 bears against the rear side flange 213 of the front frame 210, also thereby to assist in the support of the shelf 350. The support brackets 360 extend rearwardly from the frame 210 and support thereon the main panel 351, the arms 366 extending forwardly to support the forward portion 352. By providing a series of horizontally aligned slots 225 in the front frame 210, the position of the shelf 350 vertically with respect to the front frame 210 can be manually adjusted.

Referring now to FIG. 5, the details of construction of the storage unit 400 will be described. As illustrated, the storage unit 400 is in the form of a pedestal having mounted therein a plurality of sliding draws. The pedestal 400* comprises a substantially rectangular rear wall 402, and a pair of substantially rectangular side walls extending perpendicular thereto and parallel to each other. The upper edge of the rear wall 402 carries a top flange 404 and the upper edges of the side walls carry top side flanges 405.

Disposed at the forward portion of the pedestal 400 is a front frame 410, the frame 410 being formed from a channel member extending completely around the front opening in the pedestal 400. A rear top support 420 is disposed adjacent to the rear end of the pedestal 400 and has upwardly-extending embossments disposed in the ends of the support 420. An opening in each of the embossments 423 is adapted to receive fasteners for the mounting of the pedestal 400 on the top 101. Further details of construction of the pedestal 400 are set forth in the copending application of Kenneth D. Schreyer, Ser. No. 503,157, filed Oct. 23, 1965 for Desk Construction, now Pat. No. 3,363,955.

Disposed within the pedestal 400 are a plurality of drawers 450, four box drawers 450 having been illustrated in the drawings, each of the drawers 450 being provided with a suitable pull 455.

Referring now to FIG. 5, the details of construction of the storage unit 600 will be described. As illustrated, the storage unit 600 is in the form of a pedestal having mounted thereon a swinging door. The pedestal 600 comprises a body 601 including a substantially rectangular rear wall 602, and a pair of substantially rectangular side walls 603 extending perpendicular thereto and parallel to each other. The upper edge of the rear wall 602 carries a top rear flange 604 and the upper edges of the side walls 603 carry top side flanges 605. The forward edges of the side walls 603 also carry inwardly directed front flanges 609 that extend substantially vertically.

Disposed at the forward portion of the pedestal body 601 is a front frame 610, the frame 610 being formed from a channel member extending completely around the front opening in the pedestal body 601, the channel member being U-shaped in cross section. The frame 610' fits within the forward portion of the pedestal 600. A real top support 620 is disposed adjacent to the rear end of the pedestal 600 and includes a pair of upwardly-extending embossments 623, each having an opening therein adapted to receive a fastener for the mounting of the pedestal 600. There is further provided a door 650 hingedly mounted to the front frame 610, a pull 655 being provided to facilitate opening and closing of the door 650.

Further details of construction of the pedestal 600 are set forth in the copending application of Kenneth D. Schreyer, Ser. No. 503,157, filed Oct. 23, 1965 for Desk Construction, now Pat. No. 3,363,955.

There is provided at either end of the storage assembly 100 a finishing panel 500, details of construction of which are best seen in FIG. of the drawings. The finishing panels 500 are formed identical to one another, and accordingly, only one will be described in detail, like reference numerals being applied to like parts of both the finishing panels 500. As illustrated, the finishing panel 500 includes a main wall 501 that is generally rectangular in shape and has a width and height such as to cover the end of the adjacent storage assembly 100. The forward edge of the main wall 501 carries an integral curved side flange 502 thereon that extends inwardly. The upper edge of the main wall 501 carries an inwardly directed top flange 506 which overlies the adjacent storage unit side top flange such as the side top flange 205 in FIG. 5. The lower end of the main wall 501 carries an inwardly directed rounded bottom flange 508 which extends upwardly and terminates in a lateral flange 509 that is disposed on top of the base upper flange 156, the longitudinal extent of the lateral flange 509 being substantially less than the longitudinal extent of the main wall 501 as may be best seen in FIG. 5 of the drawings. In fitting over the base flange 156, the lateral flange 509 also is disposed beneath the side bottom flange of the adjacent storage unit such as the side bottom flange 268 on the cabinet side wall 203 as illustrated in FIG. 5.

It will be seen that each of the storage units 200, 400 and 600 as well as the finishing panels 500 are connected both to the top 101 and the base 150. More specifically, the front mounting channel 120 on the top 101 is received between the side flanges at the top of the front frames 210, 410 and 610 of the storage units 200, 400 and 600, respectively, each of the front frames having openings therethrough which receive the bolts 149 (see FIGS. 1 and 5) engaging the special nuts 140 disposed in' the mounting channel 120, whereby each of the storage units 200, 400 and 600 has the forward end thereof firmly clamped to the front mounting channel 120. Furthermore, the rear mounting channel is disposed above the rear top supports 220, 420 and 620 of the storage units 200, 400 and 600, respectively, and in position such that the bolts 149 extending through the diagonal openings therein are engaged by special nuts disposed in the rear mounting channel 120. As a consequence, the rear end of each of the storage units 200, 400 and 600 can be firmly clamped to the top 101 via the rear mounting channel 120 thereon. Such clamping of the storage units 200 and 600 to the underside of the top 101 likewise clamps the top flanges 506 on the finishing panels 500 in the operative positions thereof. The bottoms of the storage units 200, 400, and 600 are likewise fixably connected to the base 150.

It will be understood that a wide variety of storage units may be utilized in the storage assembly 100, and further that the storage units illustrated can be modified and the order thereof on the base changed and arranged. For example, the order of storage units on the base 150 can be rearranged so that any one of the three storage units illustrated may be placed in any of the three possible positions thereof upon the base 150 and beneath the top 101. The storage unit 200 further may be modified to omit the shelf 350, if desired, and likewise the doors 240, 260 and 280 may be omitted therefrom. In the storage unit 400, several possible combinations of arrangements of drawers therein is possible; for example, instead of the four box drawers illustrated, two box drawers can be provided over a file drawer, or two file drawers may be provided in place of the four box drawers. With respect to the storage unit 600, the door may be omitted therefrom and there also may be provided therein an adjustable shelf of the same construction and mounted in the same manner as the shelf 350 in the storage unit 200. A lesser number or a greater number of storage units might also be included in the storage assembly 100, the length of the top 101 and the length of the base 150 being adjusted acocrdingly.

Fundamentally, the storage unit 100 is formed of sheet metal with the exception of the several parts mentioned during the above description. Furthermore, the sheet metal forming the various parts is of relatively light gauge, as will be appreciated from the following examples of the gauge of sheet metal utilized to form the various parts of the storage assembly 100. For example, in a typical illustrative embodiment of the top 101, the top plate 102 is formed of 20 gauge steel, the edging 103 is formed of 18 gauge steel, the reinforcing sheet 110 is formed of 24 gauge steel and the mounting channels 120 are formed of 18 gauge steel. In an illustrative example of the construction of the base 150, the front frame member 151 is formed of 20 gauge steel and the rear frame member is formed of 20 gauge steel and the braces are formed of 18 gauge steel. In illustrative examples of the storage units 200, 400 and 600, the bodies 201, 401 and 601 thereof are formed of 20 gauge steel, the channels forming the front frames 210, 410 and 610 are formed of 14 gauge steel, the rear top supports 220, 420 and 620 are formed of 18 gauge steel; the doors 240, 260 and 280 have the front panels and the reinforcing sheets thereof formed of 22 gauge steel while the several pick-up arms are formed of 16 gauge steel; the shelf 350 is formed of 20 gauge steel while the brackets 360 therefor are formed of 14 gauge steel.

From the above description it will be seen that there has been provided an improved storage ,gssembly which fulfills all of the objects and advantages set forth above. More specifically, there has been provided an improved storage assembly including an integral elongated top 101 having a pair of spaced apart mounting channels 120 disposed on the underside thereof and secured thereto, and a plurality of storage units 200, 400 and 600 arranged in side by side relationship beneath the top 101 and secured thereto by means of the mounting channels 120, thereby to provide a compact and strong construction with good interconnection between the parts. Furthermore, an integral base is provided joining the lower ends of the storage units in the storage assembly. A wide variety of storage units can be accommodated in the storage assembly such as cabinets, bookcases, pedestals with drawers therein, cabinets with doors or without doors, and the like. All of the storage units are connected to an improved top including a flat top plate 102 and a reinforcing sheet 110 with reinforcing ribs 112 therein attached to the un derside of the top plate 102, a body of mastic 115 being disposed between the contacting surfaces of the top plate 102 and the reinforcing sheet 110 with welds made therethrough, thus to provide a strong connection between the parts and to provide good sound deadening properties therein. Furthermore, the interconnection is facilitated by an improved channel and mounting nut construction including the channels 120 and the special nuts 140.

There further has been provided an improved shelf construction 350 wherein the shelf is supported inwardly of the associated cabinet 200 on the front frame 210 thereof and extends rearwardly therefrom in cantilever fashion with no other support needed therefor.

While there has been described what is at present considered to be the preferred embodiment of the invention, it will be understood that various modifications may be made therein, and it is intended to cover in the appended claims all such modifications as fall within the true spirit and scope of the invention.

What is claimed is:

1. A storage cabinet and shelf construction comprising a cabinet including a body having a front opening therein, a front frame positioned at the forward portion of said body and secured thereto and including a pair of vertically extending frame members, each of said frame members having a first fastener element thereon arranged on the rear side thereof, a shelf disposed in said body and extending rearwardly thereinto from said frame members, and a. pair of mounting brackets disposed on the opposite sides of said shelf and secured thereto and each including a second fastener element arranged on the forward end thereof, said first and second fastener elements cooperating to mount said shelf on said frame members and extending rearwardly therefrom in cantilever fashion.

2. The storage cabinet and shelf construction set forth in claim 1, wherein said first fastener elements comprise vertically arranged rows of slots in said frame members on the rear sides thereof, and said second fastener elements comprise hooks extending from the forward sides of said mounting brackets and engaging in said slots to mount said shelf on said frame members in cantilever fashion.

3. The storage cabinet and shelf construction set forth in claim 1, wherein said she f comprises a main wall portion disposed rearwardly with respect to said frame members and extending substantially the width of said body and a forward portion disposed between said frame members and extending forwardly to the front of said body and forwardly beyond said second fastener elements.

4. The storage cabinet and shelf construction set forth in claim 1, and further comprising a laterally extending reinforcement member mounted on the underside of said shelf adjacent to the rear end thereof.

5. A shelf for mounting in a cabinet having a front opening therein provided with a pair of vertically extending frame members adjacent to the front thereof and having fastener elements arranged on the rear side thereof, said shelf comprising a main wall arranged horizontally in use and disposed within the associated cabinet and generally behind the associated frame members, and a pair of mounting brackets disposed on the opposite sides of said main wall and secured thereto, each of said mounting brackets having a fastener element on the forward end thereof for engagement with the fastener element on the associated frame members to mount said shelf on the associated frame members and extending rearwardly therefrom in cantilever fashion.

*6. A shelf for mounting in a cabinet having a front opening therein provided with a pair of vertically extending frame members adjacent to the front thereof and having fastener elements arranged on the rear side thereof, said shelf comprising a main wall arranged horizontally in use and disposed within the associated cabinet and generally behind the associated frame members, and a pair of mounting brackets disposed on the opposite sides of said main wall and secured thereto, each of said mounting brackets having a fastener element on the forward end thereof for engagement with the fastener element on the associated frame members to mount said shelf on the associated frame members and extending rearwardly therefrom in cantiliver fashion, said main wall having integral therewith a forward portion having a width less than that of said main wall and slightly less than the distance between the associated frame members and extending forwardly beyond said bracket fastener elements.

7. A shelf for mounting in a cabinet having a front opening therein provided with a pair of vertically extending frame members adjacent to the front thereof and having slots arranged on the rear side thereof, said shelf comprising a main wall arranged horizontally in use and disposed within the associated cabinet and generally behind the associated frame members, and a pair of mounting brackets disposed on the opposite sides of said main wall and secured thereto, each of said mounting brackets having hooks on the forward end thereof for engagement with the slots on the associated frame members to mount said shelf on the associated frame members and extending rearwardly therefrom in cantilever fashion.

8. A shelf for mounting a cabinet having a front opening therein provided with a pair of vertically extending frame members adjacent to the front thereof and having fastener elements arranged on the rear side thereof, said shelf comprising a main wall arranged horizontally in use and disposed within the associated frame members, a pair of mounting brackets disposed on the opposite sides of said main wall and secured thereto, each of said mounting brackets having a fastener element on the forward end thereof for engagement with the fastener element on the associated frame members to mount said shelf on the associated frame members and extending rearwardly therefrom in cantilever fashion, and a reinforcing member disposed beneath said main wall and extending laterally thereof and adjacent to the end thereof disposed way from said brackets.

9. A storage cabinet and shelf construction comprising a cabinet including a body having a front opening therein, a front frame positioned at the forward portion of said body and secured thereto and including a pair of vertically extending frame members, each of said frame members having a first fastener element thecrof arranged on the rear side thereof, a shelf disposed in said body and extending rearwardly thereinto from said frame members, a pair of mounting brackets disposed on the opposite sides of said shelf and secured thereto, each of said mounting brackets including a second fastener element arranged on the forward end thereof, and a support arm associated with each of said mounting brackets, said support arms extending forwardly of said brackets and being positioned inwardly thereof, said first and second fastener elements cooperating to mount said shelf on said frame members and extending rearwardly therefrom in cantilever fashion, said shelf comprising a main wall arranged horizontally in use and generally behind said frame members and having integral therewith a forward portion having a width less than that of said main Wall and slightly less than the distance between said frame members and extending forwardly beyond said bracket fastener elements, said forward portion of said 9 shelf overlying said support arms and being supported thereby, said forward portion of said shelf having integral therewith at the front thereof an L-shaped stop for holding said support arms in supporting position against said stop when said shelf is in use.

References Cited UNITED STATES PATENTS 2,790,559 4/1957 Stephenson et a1. 108-108 Mapson 108108 X Schelor 108108 X Jacques 108108 X Klene 108108 X Renner et a1. 312-304 X JAMES T. MCCALL, Primary Examiner 3,017,233 1/1962 Gates 312304 X 10 108152; 312194 U.S. Cl. X.R.

UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTION Patent No. 3 ,510 ,187 May S 1970 Kenneth D. Schreyer It is certified that error appears in the above identified patent and that said Letters Patent are hereby corrected as shown below:

Column 4, line 26, "ange" should read flange line 29, "anges" should read flanges line 63, "draws" should read drawers line 67, after "top" insert rear Column 5, line 65, "268" should read 208 Column 6, lines 21 and 22, "arranged" should read rearranged line 41, "acocrdingly" should read accordingly Column 8, line 57, "theerof" should read thereof Signed and sealed this 5th day of January 1971.

(SEAL) Attest:

Edward M. Fletcher, Jr.

Attesting Officer Commissioner of Patents WILLIAM E. SCHUYLER, JR.

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