US2017837A - Attachment for gas tanks - Google Patents

Description

R. J. ANSCHICKS ATTACHMENT FOR GAS TANKS igj 1935. R. J. ANSCHICKS ATTACHMENT FOR GAS TANKS Filed April 18. 1934 2 Sheets-Sheet 2 yifmaa P atented Oct. 22, 1935 2.017.837 ATTACHMENT FOB Gas Tanks Rudolph J. Anschicks, Chicago, 111., assignor to Protectoseal Company of America, Chicago,

111., a corporation of Illinois Application April 18, 1934, Serial No. 721,113

s Claims. (01. 220-24 The invention relates to an attachment for gas tanks or containers and more particularly it relates to closure attachments for installation in the filler openings or rings of gas containers or tanks.

The invention is especially adapted for use in automobile gas tanks and has as one of its objects the provision of improved closure means for the filler opening thereof which is easily installed and theft-proof and is hingedly connected to the tank to prevent possibility of its loss by inadvertent misplacement.

Another object of the invention is the provision of an attachment of the kind described providing an improved closure member permanently attached to the tank which is easily opened by manual operation for filling the tank and which when open prevents the theft of gas by siphoning or the like. v

' A further object of the invention is the pro vision of an attachment of the kind described providing improved means adapted to permit free flow of gas therethrough in filling the tank unretarded by the outward flow of air during the filling operation and thereby avoids waste of the gas by splashing.

Still another object of the invention is the provision of an attachment of the kind described providing improved venting means adapted to permit entrance of air into the tank as rapidly as Still another object of the invention is the provision of a filling and venting attachment for gas tanks of the kind described which is simple, adapted to be constructed at low cost, durable, and satisfactory for its intended purpose.

, Many other objects and advantages of the construction herein shown and described will be obvious to those skilled in the art from the disclosure herein given.

To this end my invention consists in the novel construction, arrangement and combination of parts herein shown and described, and more particularly pointed out in the claims.

In the drawings wherein like reference characters indicate like or corresponding parts.

Fig. 1 is a vertical sectional view through a device embodying the principles of the invention as it appears when closed;

Fig. 2 is a vertical sectional view of the top portion of the device as it appears when open;

Fig. 3 is a view along the line 8-3 of Fig. '1; Fig. 4 is an elevational view 01' a portion of the device drawn to a smaller scale; and

Fig.5 is a perspective view of another portion of the device.

Referring now to the drawings, the numeral 9 designates an orifice in a tank III, the tank being shown fragmentarily in Fig. 1. A ring ll, surrounding the orifice 9 is provided with a flange I2. 6 The flange I2 is fastened to the tank ill by any suitable means suchas soldering, welding or the like to provide a fluid-tight connection. upper end of the ring I is intiirned to provide an annular flange l3 terminating in a pair of oppo- 10 sitely positioned downwardly projecting vertical flanges 14 having their lower edgesinclined to the horizontal to provide cam surfaces for a purpose hereinafter more particularly described. The flanges M are separated by recesses l5 pro- 15 r vided in the annular flange i3.

The

The ring I 1 thereby forms a permanent por- The inlet conduit comprises a tube l6 preferably concentric with and of smaller diameter than the orifice 9. The tube It is adapted to receive a filler tube for replenishing the supply of gas. A spiral spring li, positioned in the lower end and entirely within the tube [6 is fastened to the tube by soldering or the like. The lower end of the spring I! is conical and prevents the insertion of a'fllling tube or of a siphoning device into the tank by means of which the gas contents of the tank might be stolen. The pitch of the coils forming the spring I1 is such as to permit gas to flow freely-between the coils. theptube I6 prevent lateral spread of the entering gas and the entrainment of air bubbles therewith which would otherwise result.

The side walls of The tube I 6 is suspended from the supporting 40 member resting upon the orifice ring H. The supporting member comprises a ring IQ of larger diameter than the ring II and includes an in. turned fiange 20 providing an annular corrugation extending entirely around the ring. The flange 20 projects inwardly and terminates in a downwardly projecting flange 23 having its inner periphery of the same diameter as the outer periphery of the tube IS. The upper end of the tube l6 terminates in a pair of oppositely positioned stems !8 which are fastened to the flange 23 by welding or the like. The spaces between the stems l8 permit air to be evacuated therethrough fromthe tank as rapidly as it is displaced by the gas during filling of the tank.

The supporting member is fastened to the orifice ring H by a pair of oppositely positioned slightly resilient detent members 24. The members 24 are fastened to stems 212 projecting downwardly from the flange 20 through the recesses I 5 in the orifice ring H. The stems 22 are spaced apart from the outer bounding edges of the recesses-l5 sufiiciently to permit the detent members 24 to be wedged through the recesses 'in mounting the supporting member'on the ring I I. The free end of each member 24 is positioned to contact with the flange I 3 and thereby prevent removal of the supporting member when seated on the ring II as shown in Fig. 1. An annular gasket 36, wedged between the stems 22 and. the corrugation 2 I, prevents leakage of liquid between the ring I I and the supporting member.

The upper edge of the ring I9 is turned outwardly to form a rim 25 on which a closure member rests when in closed position: The .closure member comprises a curved plate 26 having a gasket 28 forming a lining for its lower surface, the lining being fastened to the plate by any suit able adhesive means. The closure member is permanently'attached to the tank by a U-shaped member 29 fastened to the ring l9 and a U-shaped member 30 fastened to the plate 26. The stem portions of the members 29 and 30 are connected by pivots 3| to provide a hinge permitting the plate 26 to be moved from closed position as shown in Fig. 1 to open position as shown in Fig. 2 and vice versa. The described hinged connection prevents possibility of loss of the closure member by its removal for filling or in the event it is jarred loose. The gasket 28 rests upon the rim 25 when the closure member is in closed position and effectively prevents possibility .of waste of gas by splashing when the vehicle carrying the tank is in motion.

The closure member also includes a cap plate 32,-providing ,a cover for the plate26. The plate 32 is held in spaced apart relation to the plate 26 by a pair of projections 33 providing point contact with the plate 32. The closure member is held in closed position by a slightly resilient U- shaped member 34 fastened to the central portion of the cap plate 32 by welding or the like as best shown in Figs. 1 and 2. The lower ends of the member 34 terminate in outwardly projecting stems 35 adapted to enter the respective recesses l5. The cap plate 32 and the member 34 carried thereby are adapted to be rotated relative to the plate 26, such rotation being effective to bring the stems 35 of the member 34 into operative engagement with the cam surfaces in the loweredges of the flanges 14. Obviously, a limited rotation of the cap member in clockwise direction will operatively engage the stems 35 with the cam'surfaces on the lower edge of flanges I 4. The resiliency of the member 34 including the stems 35 adapts the latter to engage the cam surfaces over their full width and thereby fastens the member against possibility of loosening by jarring. The described connection of the stems 35 with the cam surfaces exerts a pull on the member 34 which holds the gaskets 28 and 36, respectively, in close fitting contact with the rings l9 and II and effectivelyseals the device against the escape of gas by splashing. The closure member is opened. by turning the cap plate 32 in counter-clockwise direction thereby releasing the stems 35 from operative engagement with the flanges l4 and permitting the closure member to be moved to openposition when the stems underlie the respective recesses l5.

fastening device being adapted to hold said clo- The plate 26 and the gasket 28 are respectively provided with central apertures 31 and 38 which permit the rotation of the U-shaped member 34 relative to the plate and gaskets. The recesses 31 and 38 also provide means for ingress of air 5 into the tank as rapidly as the gas is fed to the engine, and thereby avoids possibility of vacuum tending to collapse the tank. The size and position of the apertures 31 and 38 is such as to pro- .vide the desired venting, and minimizes the pos- 10 sibility of any gas escaping therethrough as a result of splashing of the tank contents.

Thus, it will be seen, that I have provided an improved attachment for gas tanks or containers which is adapted for permanent mounting upon 15 such tanks, which is effective to prevent theft of the apparatus from the tank and of gas from the tank, provides a closure member which is easily manipulated and effectively prevents the possibility of waste of gas by splashing through the g0 tank orifice and provides venting means preventing possibility of vacuum within the, tank.

Having thus described my invention, it is obvious that various immaterial modifications may be made in the same without departing from the g5 spirit of my invention; hence I do not wish to be understood as limiting myself to the exact form, construction, arrangement and combination of parts herein shown and described or uses mentioned. 30

What I claim and desire to cover by Letters Patent, is:

1. Closure apparatus for the filler opening of a tank, said apparatus comprising a ring permanently fastened to the tank and surrounding 35 said opening, a closure device adapted as an attachment for said ring, and means within said ring providing a cam surface, said device comprising a member positioned on and forming an extension of the ring, detent means adapted to 40 permanently fasten said member to the ring when the member is positioned thereon, a gasket positioned between the member and ring and providing a seat for the member, a hinged plate operable to close the member, a gasket adapted to rest 45 upon the member and provide aseat-for the plate when in closed position, a fastening device projecting through said plate and into operative relation with said cam surface when the plate is in closed position, said fastening device being ro- 50 tatable to operatively disengage and engage the fastening device with said cam surface, the movement of said fastening device into operative engagement with said cam surface operating to pull said plate to a close fit on its seat and thereby to 55 compress said gaskets.

2. Closure apparatus for the filler opening of a tank, said apparatus comprising a ring permanently fastened to the tank and surrounding said opening, a venting and closure device. adapted as 0 an attachment for said ring, and means within said ring providing a cam surface, said device comprising a member positioned on and forming an extension of the ring, detent means adapted to fasten said member to the ring when the member 65 is positioned thereon, a hinged plate operable to be seated upon and close said member, a. plate rotatably mounted upon and providing a cover for said closure plate, and a fastening device mounted upon said cover plate and projecting through 7 saidclosure plate into operative relation with said cam surface, said fastening device being moved by rotation of said cover plate to operatively disengage and engage said cam surface, said amass? sure plate to a close fit on its seat when said device is in operative engagement with said cam surface.

3. Closure and venting apparatus of the kind described for the filler opening of a tank, said apparatus comprising a ring permanently fastened to the tank and surrounding said opening, a venting and closure device adapted as an attachment for said ring, and means within said ring providing a cam surface, said device comprising a member positioned on and forming an extension of the ring, detent means adapted to fasten said member to the ring when the member is positioned thereon, a hinged plate operable to be seated upon and close said member, a plate rotatably mounted upon and providing a cover for said closure plate, spacer members adapted to maintain said plates in closely spaced apart relation, said closure plate providing a vent opening connecting the space between the plates with the tank opening when the closure plate is seated and a fastening device mounted upon said cover plate and projecting through said closure plate into operative relation with said cam surface, said fastening device being moved by rotation of said cover plate to operatively disengage and engage said cam surface, said fastening device being adapted to hold said closure plate to a close flt on its seat when said device is in operative engagement with said cam surface.

4. Closure apparatus of the kind described for the filler opening of a tank, said apparatus comprising a ring permanently fastened to the tank and surrounding said opening, a venting and closure-device adapted as an attachment for said ring, and means within said ring providing a cam surface, said device comprising a member positioned on and forming an extension of said ring, detent means adapted to fasten said member to the ring when positioned thereon, a gasket positioned between the member and ring and providing a seat for the member, a hinged plate operable to close the member, a gasket adapted torest upon the member and provide a seat for the plate when in closed position, a plate rotatably mounted upon and providing a cover for said closure plate, and a fastening device mounted upon said cover plate and projecting through said 010- sure plate into operative relation with said cam surface, said fastening device being moved by rotation of said cover plate to operatively disengage and engage said cam surface, the movement of said fastening device into operative engagement with said cam surface operating to pull said closure plate to a close fit on its seat and to compress said gaskets.

5. Closure and venting apparatus of the kind described for the filler opening of a tank, said apparatus comprising a ring permanently fastened to the tank and surrounding said opening, a venting and closure device adapted as an attachment for said ring, and means within said ring providing a cam surface, said device comprising a member positioned on and forming an extension of said ring, detent means adapted to fasten said member to the ring when positioned thereon, a gasket positioned between the member and ring and providing a seat for the member, a hinged plate operable to close the member, a gasket adapted to rest upon the member and provide a seat for the plate when in closed position, a plate rotatably mounted upon and providing a cover for said closure plate, spacer members adapted to maintain said plates in closely spaced apart relation, said closure plate provid- 5 ing a vent opening connecting the space between said plates with the tank opening when the closure plate is seated, and a fastening device mounted upon said cover plate and projecting through said closure plate into operative relation with said cam surface, said fastening device being moved by rotation of said cover plate to operatively disengage and engage said cam surface, the movement of said fastening device into operative engagement with said cam surface operating to pull said closure plate to a close flt on its seat and to compress said gaskets.

6. Closure apparatus for the filler opening of a tank comprising a hollow member adapted to be fastened to the tank to form 'a fluid tight connection therewith and to, provide an enclosure for said opening, means within said hollow member providing a cam surface, a hinged plate operable to be seated upon and close said member,

a rotatable fastening device mounted on and projecting through said plate, said device being positioned relative to said cam surface when the plate is closed so that it is operatively engaged and disengaged with said surface by its rotation and when so operatively engaged it holds the plate in close contact with its seat.

I. Closure and venting apparatus for the filleropening of a tank comprising a hollow member adapted to be fastenedto the tank to form a fluid tight connection therewith and to provide 5 an enclosure for said opening, means within said hollow member having its lower edge providing a cam surface, a hinged plate adapted to be seated on and form a closure for the hollow member, a memberrotatably mounted upon and pro- 40 jecting through the hinged plate into operative relation with said means when the plate is closed,

a, projection on said rotatable member adapted to be operatively engaged and disengaged with said cam surface by rotation of said member and to thereby lock and release said hinged plate.

8, Closure and venting apparatus for the filler opening of a tank comprising a hollow member adapted to be fastened to the tank to form a fluid tight connection therewith and to provide an enclosure for said opening, means within said, hollow member having its lower edge providing a cam surface, a hinged plate adapted to be seated on and form a closure for the hollow member, a member rotatably mounted upon and projecting through the hinged plate into operative relation with said means when the plate is closed, a projection on'said rotatable member adapted to be operatively engaged and disengaged with said cam surface by rotation of said member and to thereby lock and release said hinged plate, and a plate mounted on the rotatable member providing a cover in closely spaced relation to the hinged plate, said cover plate being operable to actuate said rotatable member, said closure plate providing a vent opening connecting the hollow member with the space between said plates.

RUDOLPH J. AN SCI-HICKS.

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