Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUS857543 A
Publication typeGrant
Publication dateJun 18, 1907
Filing dateSep 21, 1906
Priority dateSep 21, 1906
Publication numberUS 857543 A, US 857543A, US-A-857543, US857543 A, US857543A
InventorsHoratio Thomas
Original AssigneeThomas Bros Mfg Co
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Self-locking shelf-bracket.
US 857543 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)






Specification of Letters Patent.

Patented June 18, 1 907.

To aZZ whom it may concern:

Be it known that I, HORATIO THOMAS, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and usefu Improvements in Self-Locking Shelf-Brackets, of which the following is a specification.

This invention relates to improvements in that type of brackets used for supporting shelves and the like, and it consists in certain peculiarities of the construction, novel arrangement, and operation of the various parts thereof, as will be hereinafter more fully set forth and specifically claimed.

The object of the inventionis to provide shelf brackets, which shall be simple and inexpensive in construction, strong, durable and effective in operation, and so made that they may automatically and positively lock themselves in position on the uprights or standards used for supporting them, so as to firmly hold them in position and to prevent their displacement until desired, when they may be readily detached or removed from the uprights or supports.

Other objects and advantages of the invention will be disclosed in the subjoined description and explanation.

In order to enable others skilled in the art to which my invention pertains to make anduse the same, I will now proceed'to describe it,referring to the accompanying drawing, in which Figure l is a view partly in elevation and partly in section of a portion of a supporting standard or upright, showing two brackets embodying my invention secured in place thereon. Fig. 2 is a vertical sectional view through a portion of the standard or upright, and a view in elevation of a part of one of the brackets, showing it by continuous lines in the act of being engaged with the upright, and by dotted lines another position thereof in the act of engaging it with the standard or upri ht. Fig. 3 is a rear end view of the brac et-arm. Fig. 4 is a similar view of a modified form thereof ;andFig. 5 is a perspective view of a portion of one of the sup porting uprights or standards.

Like numeralsof reference, refer to corresponding parts throughout the different views of the drawing.

The reference numeral 10 designates an upright or standard used for supportlng the bracket-arms, which standard may be made of any suitable size, form and material, but preferably of metaland hollow and rectangular in cross-section, as shown in the drawing. The front portion or surface of the upright 10 is provided with a series of longitudinally extending openings 11, which are preferably rectangular in shape, as shown, and the rear portion or surface thereof is preferably vertically or longitudinally slotted as at 12, that is, the edges of the piece out of which the upright 10 is formed are slightly spaced apart so as to form a longitudinal slot or channel 12, but this is not essential to the invention; Each of the bracket-arms consists of an arm or bar 13, by preference of flat metal, which may have at its free end an upwardly extending portion 14 employed for holding the shelf in position and two plates 15, one ofwhich is secured by means of rivets t1,6, or otherwise, on each side of said arm or As is clearly shown in Figs. 1, 2 and 3 of the drawing, the upper portion of each of the plates 15 projects rearwardly from the rear or inner end of the arm 13 and upwardly therefrom to form engaging extensions or lugs 17 the front upper portions of which are located at right angles to the upper surface or edge of the arm 13, so that when said lugs or extensions are inserted through one of the openings 11 in the standard and the arm 13 is caused to assume its normal position, the

straight or vertical edges of the lugs 17 will rest against the inner surface of the front portion of the upright 10 justabove the opening 11 therein, which they occupy. Each of the plates 15 extend downwardly some distance below the lower edge of the arm 13, and are spaced apart, as shown in Fig. 3 of the drawing, to receive and carry the movable locking member 18, which has a rearwardly and downwardly extending projection 19, which is preferably curved on its rear edge to facilitate its insertion into or passage through one of the openings 11 in the upright. Each of the plates 15 is provided on its rear lower portion with a rearwardly extending lug or piojection 20, which are spaced apart to permit of the movement therebetween of the downwardly extending projection 19 on the lock- Just 1n front of the extensions ing member.

or rojections 20 each of the plates 15 is provi ed with a vertical slot 21, which register come in contact with the lower edge of one of I the openings 11 of the upright, when by the lug orlugs 17 on the upper rear portion of with one another, and are employed for the reception and operation of pins 22 and 23 on the locking member 18, the former of which pins project considerably to either side of the plates 15 and is used for moving the locking member 18, while the latter pin 23, as well as the pin 22, will act as guides in the slot 21 for the movement of the locking member.

Instead of constructing each of the bracket-arms of three pieces, as above described, that is, of the member 13 and two plates 15 secured on each side of the rear ortion thereof, I may make each of the brac etarms of a single piece of metal 13 formed at its rear lower portion with a slot 24, for the reception and operation of the locking member 18, in which construction the up er rear portion of the arm will be provide with a rearwardly and u wardly extending lug or projection 17,.of t e same shape or form as one of-those shown in Figs. 1 to 3, inclusive, and the lower rear portion of the member or bar 13 will be provided with rearwardly extending lugs orprojections 20 and vertical slots, for the reception and o eration of the pins 22 and 23 as in the first a ove-described construction.

The operation of the device is simple and as follows When it is desired to connect the bracket-arms to the upright or standard 10,

the bracket-arm or bar is inserted into one of the openings 11 of the upright, when by lowering the arm or bar to the position shown by dotted lines in Fig. 2 of the drawing, it is apparent that the rounded portion of the proj ection 19 on the locking member 18 will pressing the arm still lower, the said projection and locking member will be raised between the plates 15 and lugs 20 until the straight edges 25 of the plates 15 will rest against the outer surface of the frontpart of the upright, at which time the locking member 18 and projection 19, which it carries, may be lowered by gravity, or otherwise, so as to engage the upright 10 below said opening therein. To re ease and remove the bracket-arms, the locking member 18 of each arm may be moved upwardly by means of the pin 22, so that the projection 19 will be disengaged from that portion of the upright below the opening therein, in which the extensions 20 are located.

Having thus fully described my invention, .what I claim as new, and desire to secure by Letters-Patent, is

1. The combination with an upright standard having spaced apart openings therein, of a bracket-arm having at the lower and u per portions of its rear end extensions to ht in said openings, and a locking member movably mounted on the rear lower portion of the bracket-arm and having a rearwardly and downwardly extending projection, substantially as described.

2. The combination with an upright standard having spaced apart openings therein, of a bracket-arm having at its rear upper portion a rearwardly and upwardly projecting extension and provided on its rear lower portion with rearward spaced apart extensions and slots in its sides, a locking member located between the rear lower portion of the sides of the bracket-arm and having a rearwardly and downwardly extending projection, and a pin carried by the locking member and fitting in said slots, substantially as described.




Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2477735 *May 22, 1948Aug 2, 1949Gentile Scipio SBracket and support therefor
US2523095 *Aug 22, 1946Sep 19, 1950Westinghouse Electric CorpShield for switchgear enclosures
US2639443 *Jul 8, 1949May 26, 1953Campbell And CompanySupport for bed framework
US2693884 *Feb 14, 1949Nov 9, 1954Gurries Henry AShelving structure
US2739777 *Jul 29, 1950Mar 27, 1956Jewel Tea Company IncAdjustable knockdown shelf assembly
US2940604 *May 6, 1957Jun 14, 1960Duro Cons IncDisplay shelf construction
US2980037 *Jan 12, 1960Apr 18, 1961Aeroquip CorpSelf-locking bar attachment
US3074679 *Apr 24, 1961Jan 22, 1963Frederick Sage & Company LtdBrackets
US3353684 *Oct 22, 1965Nov 21, 1967Chesley Ind IncShelf structure
US3565381 *Oct 21, 1968Feb 23, 1971Earl J OliverBracket structure
US3697034 *Jan 12, 1970Oct 10, 1972Shell Irving WLocking shelf bracket support structure
US4106738 *Jul 27, 1977Aug 15, 1978Bethlehem Steel CorporationBase bracket for shelving
US4159601 *Apr 25, 1977Jul 3, 1979Isopol A.G.Bearer panel with movable supporting devices
US4222542 *Nov 27, 1978Sep 16, 1980Haworth Mfg., Inc.End panel mount with safety lock
US4733841 *Aug 8, 1986Mar 29, 1988Haworth, Inc.Hanger bracket for cabinet
US6581312 *Sep 19, 2001Jun 24, 2003Cormark, Inc.Adjustable sign mount with graphic
US6978975 *Oct 25, 2000Dec 27, 2005Elfa Sweden AbLockable shelf bracket
US7128223Oct 25, 2004Oct 31, 2006Handi-Foil CorporationMerchandise shelving assembly
US20050217305 *Jan 5, 2005Oct 6, 2005Samsung Electronics Co., Ltd.Refrigerator
US20060226317 *Apr 7, 2005Oct 12, 2006Smith Frederick J JrQuick-connect clamp and method for using the same
DE1189321B *Jan 11, 1961Mar 18, 1965Aeroquip AgVorrichtung zur loesbaren Verbindung eines stabartigen Teils mit einem Verankerungsteil
Cooperative ClassificationA47B57/42