US1586148A - Lock for cartons - Google Patents

Description

May 25 1926.

H. 1 GREVE LOCK FOR CARTONS Filed August 27, 1921 LVVENTOR By/e/w/a//L @fel/e) ff f ATTORA Patented May 25, 1926.

Unire s'rn'rss 15eme Partnr sarei-"1.

HERMAN L. GREVE, 0F BROOKLYN, NEW YORK, ASSIGNOR T0 'TI-IE THOMPSON ;&

NORRIS CO., A vC20RPC)RATON 10F NEW JERSEY. i

LOCK FOR CARTONS.

Application filed August 27, 1921. Serial No. 495,056.

My invention relates to cartons used for holding goods while in transport through the mails or by express, and the object of my invention is to provide a simple locking means that can be provided at a low cost and can be attached to a carton while the same is in its knock-down or unfolded condition and delivered to the packer in this condition and thereafter when the carton is formed in its box sha-pe the locking means may be bent if necessary, to conform to the shape of the carton, as will be more fully hereinafter described.

A furthe-r object is to provide locking means which can not be unlocked after being locked on the carton without injuring either the lock or the carton to such a degree as to be at once detected by tlte person who receives the goods, when he is required to lsign for the carton as being received in good order, as is now customary.

The carton described and illustrated in this case but not claimed herein is claimed in my co-pending application, Serial No. 496,057, filed of even date herewith.

Referring to the drawings which form a part of this specification,

Figure 1 is a perspective view of a carton as "it appears ready for shipment with the locking means attached thereto and in locked relation.

Figure 2 'is a perspective view of a carton showing the application of the lock in another position thereon. y

Figure 3 is a vperspective view of the ymale portion of a lock embodying my invention.

Figure 4 is a perspective view of a modified form of the male portion of a lock.

Figure 5 is a perspective view of a female portion of the lock.

Figure 6 is a cross sectional view through the lock showing the parts in locked relation.

Figure 7 is a plan view of a blank from which the female member may be formed into shape by bending same on the dotted lines.

A, indicates a carton made of heavy sti paperboard material, folded into shape from the blank form, and its top closed in the usual manner by folding the Hap portions A-A over each other in interlocl ing relation as illustrated in Figure l, and well known in this art.

B, indicates the male portion of the lock rlhe top of the clip B, presents a plane surface and is preferably provided with a number of holes D-D etc. arranged in a line as illustrated, the object `being to cause the metal to bend along this line .and to weaken the metal so that it can be moreV easily broken along this line when it is de- .sired 4to open the carton, lthe metal being filed thro-ugh between the holes.

The leaf portion of the lock indicated by E is folded back on itself along the lint` F to provide one or more hook or Aoffset portions G-G etc., and forming springs due to the resiliencyfo-f the metal. fn all ofthe ures except in Figure 2 the body portion B is shown in its bent position-forming a right angle with the leaf portion E, to conform to the ang-le presented by the top and side portion of the carton as illustrated in Figure l, but in Figure 2 the leaf Iis not bent at an angle to the portion B as both portions of the :lock are 4connected to -a common plane surface, as shown.

The female lportion of the lock, indicated by H is also Vpreferably made of sheet metal and folded at J to presenta "V shape in Across section as shown rand is also provided with the clip members C-C etc. and with tivo clip members CC respectively 'which are formed integral with the outer or exposed portion H" at each end thereof respective-lv and extend at right angles to the exposed surface across the openings L-I, and through the wall of the carton and are bent over and clamped on the inner side of said wall to hold the lock to the carton, thus the clip members C serve two functions, one to close the said openings I and the other to assist in holding the female portion of the lock to the carton. The clips C-C etc. all serve to hold the body portions of the lock to the carton, being passed through the wall and clamped thereto as illustrated in dotted lines in Figure l.

A slot K is formed in the top of the female portion H which extends almost the length thereof leaving a closed portion L-L respectively at each end thereof, and the outer edge M adjacent the slot K is turned inward to form an abutment on the under side thereof against which the upper ends of the elements GMG etc. abut after the leaf E is passed through the slot K as illustrated in Figure 6, to lool; the portions together.

The width of the slot K is but slightly greater than twice the thicl; ess of the sheet of metal from which the look is made and therefore the elements G-G etc. are pressed against the adjacent side of the leaf E when the leaf is forced into the slot and their upper ends spring outward when they are passed below abutment and rest thereunder' from which position they can not be removed.

In Figure el is shown a modied form of spring locking elements, the leaf E having arrow shaped portions N-N thereon with laterally extending spring portions O and P respectively which entend through the slot K, the portions O-O resting below the abutment and portions P-P pressing against the opposite wall, thereby holding the lock portions firmly together.

After the carton is filled the lool: portions are coupled together and cannot thereafter be unlocked.

The locks are made and sold as a separate article of manufacture and may be used for any purpose for which they are adapted.

Having thus described my invention I claim as new:

l. A loclt made of sheet metal comprising a male and a. female member having attaching means integral with each adapted to firmly secure same in proper position on a receptacle to effect a closure, said female member having a slot and an abutment adjacent said slot, said male member having hook-like elements adapted to pass through said slot and cooperate with said abutment,

said slot being of such width to require.

essais a slot formed in the bend thereof, one edge of said slot being so bent as to form an abutment7 said male portion being adapted to co-operate with said slot and abutment to permanently inter-lock said portions.

3. A loclr made of resilient sheet metal comprising a male and a female portion adapted to interlock in permanent relation, said female portion comprising a casing having side clips and a slot with an abutment formed adjacent thereto and the other portion having a leaf with a hool: thereon adapted to pass through said slot and .inst said abutment, said end clips serving as a wall to close the opening' formed at each side of the casing.

et. A lock comprising a female member formed of sheet metal bent upon itself having a slot formed in the bend thereof, one edge of said slot being so bent as to form an alritment, a male member for inserting in said slot and eo-operating with said abutment for pern'ianently interlocking said in mbers, and clips forming side closures over the end of the bent portion of the female member adapted to secure the latter in effective position.

5. A lock comprising a female member formed of sheet metal bent upon itself hai'- ing :i slot formed in the bend thereof, one edge of said slot being so bent as to form an abutment, a male member to co-operate with said slot and abutment to permanently interlocl said members, and clips ou each member adapted to firmly secure said members to a receptacle, some of said clips on the female member serving as walls to close the openings formed at the side thereof.

Signed at Eroolrlyn in the county of Kings and State of New York this 28rd day of August A. D. 1921.

HERMAN L. GREVE.

f' ieet of n il bent upon itself and having

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