US1359874A - Closure for barrels - Google Patents

Description

Patented Nov. 23, 1920.

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Geo. 77. 60A/erw@ G. H. CULVVERWELL AND G. S. COX. CLOSURE FOR BRRELS. AP'PLlcAnoN FILED FEB.21, 1919.

G. H. CULVERWELL AND G. S. COX.

`cLosuR FOR BARRELS.

APPLICATION FILED FEB. 21, 1919.

Patented Nov. 23, 1920.

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'To all whom t may concern UNITED srA'rEs "PATENT OFFICE.

' GEORGE HENRY OULVERWELL AND GEORGE S'lEPrI-IEL!"l COX, OF OAK PARK, ILINOIS.'V

cresima FOR BARRELs.

4Specification of Lettersatent.' Patented NOW-23, 1920. i

.appiieaa'mny :ned February ariela serial No. traitee..1l y

Beit known that we, GEORGE HENRS'E' CUL.-V vERwELL and GEORGE STEPHEN Cox, citizens of the United States, residing at Oak Park,

' in the county of Cook andState of illinois,

have invented a new and useful Closure for Barrels, of which theV following is a specirels, by means cf which they can be easily emptied and cleaned.

l/Vith the above and other objects in view, our invention consists in the improved combination and the arrangements of the several elements, to be hereinafter described 'and then more particularly pointed out in the appended claims.

lWe attain these objects by the mechanism illustrated in the accompanying drawings.

Figure 1 is a plan view of the end of theV barrel. Fig. 2 is a vertical sectional view Vof barrel on line 9.-9 of `Fig. 1. n

Fig. 3 is a detail view-of the cam lock. Fig. 4 is a plan view of the end ofthe barrel, showing a modified form of our invention. 4

Fig. 5 is a vertical sectional view of the barrel on line Sla-9a of Fig. 4.

Fig. 6 is a detail view of the ratchet tooth cam lock. -Y Fig. 7 is a detail view of the wrench.. Referring in detail to the drawings, and particularly to Fig, 1 and Fig. 2 thereof,

the

, indicates a circular opening in the end of the barrel, provided with a downwardly extending conical flange. Seated in opening 1 is cover 2 formed with a convex upper surface, a circular strengthening groove, and an upwardly extending conical flange of a corresponding angle and size to make a forced fit in combination with the gasket 3 in the barrels opening 1.. Mounted centrally on top of cover 2 is an upwardly eX- tending shoulder stud 5, on which the actuating cro'ssbar 4 isfulcrumed and retained. The actuating'crossv bar 4is of rectangular shape, provided with a hole midway of its length extending through its atwisey portion, and of convenient size to fulcrum 'on stud5.

The locking elements of the closure shown inll 1 on line 9 9, arel the tapered edge cam locks T4-7a disposed diametrically opposite each other yonthe end of the barrel, at a convenient distance fromrthe ledge of opening 1, to allow the insertion of cover 2. In'Fig. Sl'we show the tapered edge cam locks -ffmore Vclearly in detail, lhaving an outwardly vextending flange for fastening it to the end of the barrel, an upwardly extending angular formed portion on one end of proportionate height to allow the entrance ofthe actuating cross bar 4V under the'cam edge. The edge then tapering downward proportionately along its circular i length, from which the necessary energy is imposed on they actuating cross bar 4, to seat cover .2 in opening 1. The cam locks 7`7af are also :provided with aA-seriesV of threaded lholes and a lock screw 8.

To operate this closure,coverj 2 withthe gasket 3 isy inserted into opening 1 with the actuating cross bar 4in a .cleared position of the ca m locks 7---717 then manually turning the cross bar 4 the ends of whichare brought under and l.in Contact .with kthe 4edges of the cam locks -Ka and by a continual turningof the cross bar 4, a downward pressure is createdon cover 2 forcing cover 2 yinto a wedged seatl in opening 1.

The cross bar V4 is then locked l.in its advancedposition by the lock screw 8. 'i

In ythe modified `construction shown in Figs. 4 5 and 6 and 7, the tapered edge cam locks Kb7d rare provided with inverted ratchet teeth, spaced proportionately along the camming edge and are clearly shown in detail inFig. 6.` Thecamlocks b-d are provided -with slotted lugs on one end,

which, in connection with the wrench 10, jl

are used to operate the closure. rlWhen manual pressure on the cross bar 4 is discontinued said cross bar 4 has a tendency to recede from under the edges of the cam locks Ib-7d. Furtherv movement of cross bar 4 is prevented by coming in contact with the vertical edges of the ratchet teeth on the cam locks. ln this construction the cam locks 7bd are not located diametrif cally opposite each other, one being slightly in advance of the center line, so asto facilitate the releasing of the cross bar ll. The wrench l0, shown inV detail in Fig. 7,is Vprovided with a pilot hole of convenient size to fulcrum on the end of stud 5, said hole in wrench l0, is located midway of its length extending through the liatwise portion. It is also provided with a raised lug and a stud 10iL extending through on each side, and a slot on one end, which is used to operate the closure. In other respects, the construction of the closure illustrated in Figs. A4; and 7 is Vsimilar to thatpreviously described.

To operate the closure, cover 2 with the gasket 3 is inserted in opening 1 with the cross bar fl in a cleared position of the cam locks -Tb-C/"dp With the aid of wrench 10 piloted on the end of stud 5, and stud 10a 1n contact against the edge of cross baril:

Vas indicated by ll, by manually turning Wrench l0, the ends ofV cross bar 4 are brought under and in contact with the ratchet teeth of the cam locks 'Tb-7d and are prevented from releasing by the vertical edge of the ratchet teeth; -To release the closure as shown in F ig. et, the slotted end of wrench 10 is inserted'in the slotted lug of the cam lock 7b, the raised lug resting on top of, and stud l0a against the edge of the cross bar Ll and by a manual pressure downward and to the left on theother end of Wrench l0, the end of the cross bar Il is disengaged from the vratchet tooth. By alternately applying lthe same operation to each end of the cross bar Ll, the cover 2 can be easily removed. f

From the foregoing description taken in connection with the accompanying drawings, the constructiom'manner of operation and the several advantages of the invention will be clearly understood. This closure is particularly designed for use on metallic barrels, for the convenient handling of paint and other liquids, and to` provide an opening for cleansing'the barrel, though of course not necessarily .limited to such use.

It is obvious that our closure may be used for a great variety of purposes. For example, 1t is capable of elfectlve use on metal- `lic barrels, tanks', drums, receptacles and containers. VIt may in fact beused with any kind of a cover, closure or stopper, where a locked closure. is needed.

It is highly essential in the application of a closure to metallic barrels, to provide a positive locking meansY and a'leak proof closure, to prevent a possible leakage caused by the rough usage andV handling inV shipping..

It is of course manifest that this closure may be made in various sizes and also other forms, in accordance with the form and capacity of the particularV barrel to which it is to be applied.` It is also understood that there may be ways of using one or more of the clamping means to lock `this-closure. Itis further to be understood, that while we have herein shown and particularly'described several constructions of a practical character, it is manifest that the construction and relative arrangement of theseveral elements employed, may be considerably Vated under said clamping elements, that simultaneously urges the cover member to its applied position 1n the barrels opening, a lock screw in the clamping elements for locking the actuating means. Y' I 2. The combination with a barrel having l a circular opening 'and a downwardly extending conical flange, of a closure therefor including a cover member, an actuating means, a plurality of radially disposed clamping elementson the end of the barrel, each clamping element having `an v'outwardly extending flange for fastening it to the end of the barrel, an upwardly extending angular vformed portion on one end of proportionate height to allow the entrance of the actuating bar, ardownwardly .extending camming edge tapering downwardA fromV the open end proportionately along its. circular length, a series of threaded holes in the raised portion and a lock .screw for locking the actuating means.

' ciones HENRY CULvERwELL. Y GEORGE STEPHEN cox.

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