US2257895A - Liquid dispensing apparatus - Google Patents

Description

1941- J. c. WOODFORD ETAL 2,257,395

LIQUID DISPENSING APPARATUS Filed Mart 3h 18, 1940 2 Sheets-Sheet l //V l/f/V 70 65 Jess/w C Mom-020,

Joszp/r 4: fine/var,

7, 1941 J. c. WOODFORD ETAL 2,257,895

LIQUID DISPENSING APPARATUS 2 Sh eets-Sheet 2 Filed March 18, 1940 Josey/[Ewan Patented Oct. 7, 1941 LIQUID DISPENSING APPARATUS Joseph C. Woodford, Wayne, and Joseph E. Fernly, Conahohocken, Pa., assignors to John Wood Manufacturing Company,

Inc., Conshohocken, Pa., a corporation of Delaware Application March 18, 1940, Serial No. 324,628

1 Claim.

Our invention provides a hose nozzle which may be advantageously employed in dispensing motor gasoline into automobile tanks. However, it may be employed in dispensing any liquid. It is ordinary practice to dispense such gasoline from a subjacent tank through apparatus including a pump and a flexible dispensing hose provided with a manually operative valve in a nozzle at its end, such a nozzle including a rigid tube which is bent at its end so that it may be thrust into the inlet of an automobile tank. However, in many instances when an automobile is driven up to a gasoline dispensing pump, the inlet to the automobile tank is at the far side of the automobile, with respect to the pumping unit, and frequently the standard length of hose with which such pumps are equipped is not long enough to enable the attendant at the pump to properly insert the dispensing nozzle in the automobile tank inlet. Moreover, many automobile tanks have inlet pipes so constructed that the rigid tube of an ordinary hose nozzle is not of suillcient length to enable the attendant to place the end of the nozzle in the tank in such position as would prevent the gasoline from splashing out the top of the open inlet when the nozzle valve is opened fully. Therefore, it is the object and effect of our invention to provide the rigid tube of such a hose nozzle with a sleeve which is mounted to reciprocate thereon telescopically, so that, when necessary or desirable, the effective length of the nozzle tube may be increased by thrusting the sleeve outwardly on the tube to any extent necessary to engage the nozzle in an automobile tank, or other receiver.

As hereinafter described, we find it preferable to make the rigid tube of the nozzle of circular cross section, with its axis extending arcuately, and to make the sleeve flexible by forming it of a helically wound strip having interlocking edge flanges, and to provide means for frictionally engaging the sleeve with said tube to detain the sleeve in longitudinally adjusted position.

Our invention includes the various novel features of construction and arrangement hereinafter more definitely specified.

In said drawings; Fig. I is a side elevation of a hose nozzle conveniently embodying our invention.

Fig. II is a fragmentary sectional view of said nozzle, on a larger scale than Fig. I.

In said figures; the nozzle includes the casting I which forms a casing for the valve 2 which is normally pressed by the spring 3 to close the port 4, but may be opened by the operator pressing the handle lever 5 upwardly against the valve stem 2 to lift the valve 2 from its seat I. Said casting I is rigidly connected, by its screw thread I, with the nozzle member 6 which forms a casing for the check valve I which is continually stressed by the spring 8 to close the port 9, until the pressure of the liquid through said casting I and through port 4 is suflicient to displace said valve 1 from its seat I5 and permit the liquid to flow into the rigid nozzle tube II which is rigidly connected to said nozzle member 8 conveniently by solder li Said rigid nozzle tube II is preferably of circular cross-section with its axis extending arcuately as shown in Fig.1, and a radially projecting annular abutment bead II at its outer end and has the annular groove II in spaced relation with said abutment.

The flexible sleeve I2 is mounted to be reciprocated longitudinally on said tube II between said abutment I I and groove II. We find it convenient to form said sleeve I2 of a helically wound strip of metal l2 having interlocking edge flanges I2 and I2, as shown in Fig. II. However, it may be otherwise formed in any convenient manner.

In order to detain said sleeve I2 in any position on said rigid nozzle tube I I to which it may be adjusted by the operator; we provide. means for continually frictionally engaging said sleeve with said tube, conveniently the resilient ring l4 formed of a helically wound wire spring. Said ring I l is of such size that it must be stretched over said tube II and will snap into said groove II" when in registry therewith as shown in Fig. 11. Said ring II is carried at the inner end of said sleeve I2 in the screw cap l5 which is engaged with the screw thread lIi on the collar l6 which is rigidly connected with the inner end of said sleeve I2. Said collar I 6 has the stop flange I8 extending inwardly therefrom toward said tube I I, which encounters the head I I when said sleeve I2 isthrust to the outer limit of its range of movement on said nozzle II.

Said cap I5 also carries the flexible seal II which may be formed of leather or any other suitable material. The inner edge of said seal is continually pressed against the outer surface of said tube II, by the coiled wire spring ring I8, and the outer edge of said seal is held between the washer l9 and the spacing ring 20, which latter has its outer end pressed by the washer 2| bearing against the inner face of said collar I 6.

Although we prefer to include both the ring it and seal I1 to frictionally engage the sleeve i! with the tube ll; said seal will suflice to detain the sleeve in adjusted position, without the assistance of the ring I4. 01 course, the axis of the tube ll may be straight instead of curved, and whether it is arcuately curved or straight, a rigid sleeve may be substituted tor the flexible sleeve It, in telescopic relation.

Therefore, we do not desire to limit ourselves to the speciflc construction, arrangement, or method of operation above described, as it is obvious that various modifications may be made therein without departing from the essential features of our invention asdeflned in the appended claim.

We claim:

In gasoline dispensing apparatus; the combination including a hose nozzle comprising a rigid tube 0! circular cross section; a radially projecting annular abutment bead on the outer end of the tube; an annular groove in the tube in spaced relation with the abutment; a flexible sleeve, mounted to be reciprocated on the tube between the abutment and groove, formed of a helically wound strip of resilient metal having interlockin: edge flanges; means for continually Irictionally engaging the sleeve with the tube, including a resilient ring carried at the inner end of the sleeve; resilient sealing means between the tube and sleeve; and means adapted to limit the outward movement 01' the sleeve on the tube, in-

cluding a flangeon the sleeve arranged to encounter the abutment.

JOSEPH C. WOODFORD. JOSEPH E. FERNLY.

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