US860659A - Soda-fountain syrup-pump. - Google Patents

Description

PATENTED JULY 23, 1907.

F. H. HBGKBR. y SODA FOUNTAIN SYRUP PUMP.

APPLICATION FILED NOV.17.1905.

in l "i1 i l1 'V I\ l h M. M. @tm

if( d nnrrnnsfra'rns earner einer FREDRICK HENRY HECKER, OF LS ANGELES, CALIFORNIA.

SODAeFOUNTAIiN SYRUP-PUMP.

To all whowi it may concern: l

Be it known that l, FnnnRrcK HENRY HncKER, a' citizen. of the United States, and a resident of Los Angeles, Los Angeles county, California, have invented certain new and useful Improvements in Soda-Fountain Syrup-Pumps, of which the following is a specification. f This invention 4relates to pumping apparatus and has particular reference to syrup-pumps for soda water fountains. The object of the invention is to overcome prominent defects in4 prevailing types of syrup pumps in,the simplest possible manner.

A part of the equipment of a modern `soda-water fountain is a series of syrup bottles or receptacles containing juices or syrups of different flavors designed to meet varying tastes of customers. Instead of pouring the syrup from the mouth of thebot-.tle or receptacle it has been found more convenient to permit the bottles or tube terminatingin a spout and a valve arrangement whereby a depression or longitudinal movement of the tube itself causes the liquid to flow therethrough and out of its outlet. To this end the tube is equipped with a piston and the receptacle isy provided with a piston-chamber and a valve mechanism constructed to either lill the chamber by suction or by gravity flow. .lhe operation of filling the chamber by suction creates a noise or sound which is objectionable to both user and customer and the operation of filling the chamber by gravity flow is wasteful of time as the piston must usually be raised to a point in the chamber where the inlet thereto is uncovered at the end ol the upward stroke o the piston. '.l`o overcome this delay and at the same tinnthe rushing noise produced by a liquid entering la chamber by force of suction, I have provided n. piston possible to force liquid from the chai'nber without wait ing for the piston to:return to the end ol its upward movement and then waiting for the piston-chamber to lillu up by gravity.

With tlleabovcobjects in view my invention consists in thc novel syrup pump and in its combination with a .syrup receptacle hereiintl'ter described in detail, illustrated in the drawing and dclincd in the claims.

ln the draining-Figure l is :i vertical and longitudi-. nal section laken through :i syrup receptacle etplippcd with a pump cmbodying my invention. Fig. 2 is a horizont-ul section taken on linc X-X ol Fig. l. Fig. 3 isa vertical and longitudinal section through thc pump itself equipped with an independent piston-clntmber.

A Speeieation'of Letters Patent. 'Application ned Noventa 17,1905. serial No; 287,782.

,in the bottom of the vessel 2.

diameter' than the -chamber i4 in the body of the vessel Patentes. July 2S, 19071' Figs. 4 and 5 represent vertical or transverse sections through two forms of pistons which are modifications of the piston shown in Fig. l. Fig. 6 illustrates the lower portion of a modified form of syrup-vessel, or piston-chamber, adapted for all of the vseveral forms of my invention.

Referring in detail to the several views, 2 represents a syrup-receptacle, bottle or vessel and 3 represents another forni thereof. The vessels 2 and 3 are equipped with piston-chambers, measuring cups, or trap-chambers 4 and 5, and except for the latter, the forms of the vessels are immaterial.

In Fig. 3 is shown a piston-chamber 'which makes my invention independent of any l'orm oi vessel, including the bottornportions 4 and 5. In either of .the chambers 4, 5 andl is arranged a piston consisting of a perforated disk 7, secured to the piston-rod or outlettube 8 near its lower end, and a similar perforated disk 9 which has a limited movement along the rod 8. While the two disks 7 and 9 are perforated, the perforations of the upper disk 7 do not register with the lower disk perforations, so that when the two disks lie closely against each other they form, substantially, animperforate piston, the imperforate portion or portions of one disk covering the perforations of the other disk, shown in Figs. l, 3, 4 and 5. Figs. l and 3 illustrate one form of upper disk, while Figs. ll and 5 illustrate two other forms thereof.

In Figs. l, 3 and 4 the upper disk 7 is shown provided with perforations '.ll which correspond to the perforations l0, but in Figs. l and 3 the perforations l0 and Il] are closed against communications with each other by the adjacent laces of the disks 7 and 9 when the latter lie as closely against'each other as the annular flanges or ridges l2 in Fig. ll, or the peripheral flange. 13 in Fig. 5, permit. The objects of said [langes or ridges is to prevent the disks from sticking together when tho piston-rod 8 is raised. (.)rdinarily the adjacrnt iar'zes oi th(` disks will not stick together suflicicntly to prevent their separation, out for the purpose of rapid operation it may be desirable to reduce the surface contacts by means of the ridges l2 and f3. Said ridges close the disks to each other so that -liquidrzannot normally passy from the perforations ll into the pei-fora tions ld. g. Y

Referring, first, spocllically Ito, .the construction shown in Figs. l and 2, the piston-chamber 1l is formed The chamber 4 isof less openings Vl7 and lS from the chamber' 14 into the chamy bcr 4 when the piston is at its highest point as in Fig. l, .lu Fig. 3 the chamber (i corresponds to the chamber with the exception that the chamber (3 isa separate vesmally raised position shown in Fig.A l.

sel which may be placed in any ordinary syrup-jar or -receptacle that will receive it. Openings 19,. corresponding to openings 17 and 18, are provided in the uppery part of the vessel or chamber G. ,lnl the con- 5 struction shown in Fig. 6 no openings l7, oi 19 are provided for the chamber 5.

The piston-rod 8 provides a tubular passage through which the liquid is forced from either chambers 4, 5er (i and at that portion of said rod or tube which is at the l 0 top ofthe jar or vessel 2 is a flange 2O which bears against 20 counter-top 26 having a perforation 27 for the jar 2. 28

is a knob or handle arranged on the upper end of the piston-rod and tube 8 for convenience in operating the piston. Asshown, thespout, or outlet, 29 communicates with the passage in the rod 8 through the handleportion 28, whereby a continuous passage 30 is formed between the chamber 4 and the mouth of the spout 29, or the chambers 5 or (l and said spout.

In Fig. 3 where an independent chamber 6 is provided, the lower end of the spring 21 bears against the 30 top of a sleeve 3l which rests on a boss 32 on top of the chamber (i.

A disk or flange 33 secured to the upper end of the tube 8 bears against the top of the spring. In the latter construction the sleeve v31 performs the function of the bottom 22 in Fig. 1 and the flange 33 serves in the same capacity as the flange 20 in said Fig. l..

The lower and movable disk 9 is held against dropping off the lower end of tube or rod 8 by means oi a nut 34 threaded on the lower end ofthe member 8. A recess 35 is formed in cach of the piston-chamber .bottoms adapted to receive said nut so as to permit the piston to move close to the piston-chamber.

The operation of my invention is as follows; The lower disk 9 normally rests on the nut 34 leaving a space between the upper disk 7 and said lower disk i).

The spring 21, or whatever equivalent means is employed, normally holds the pist-on in the elevated position in which it is shown in Figs. l, 3 and 6. In this position liquid poured into the vessel 2 will be free to flow through the pcrforations 1l into the space between disks 7 and 9 and thence through the perforations l() into the piston-chamber 4, 5 or (i. When the hollow piston-rod 8 is pushed down the disk 9 is forced against the disk 7 by the resistance of the liquid or syrup in the piston-chamber. Forcing the two disks together closes the space between them, which space is the only means of communicationbetween the non-registering perforations l0 and ll. A ',lhe piston then becomes substantiallyan imporforate piston which closes the pistoncbambor 4, 5 or-fil against the chamber 14. 'lhc liquid l i nes-m lire piston-chamber 1s therefore forced up through thi-:.-fpassagc 3() and out of thc spout 2S), Tho chief adv:| irl-1go of my invention is made apparent in thc return stroke of thc piston. Instead of it boing necessary to rribve the piston upwardly a definite distance on its rcturn-stroke, for th(l purpos.:I of uncovcriugan inlet-port,

is true of the openings in the disks. of any suitable form, the only limitation being that the or for'tlie purpose of refilling the piston-chamber by suction, the very moment the return, or upward, Inove- 'ment of disk 7 begins the disk 9 drops away fronrclosing contact with said disk 7 and permits the liquid to flow into the piston-chamber while the pistori-*comprising disks 7 and 9-is moving upward. The rcillings of the piston-chamber are therefore comparatively noiseless as well as continuous during vthe upward strokes of the piston and the piston may, at the same time, be stopped at any point short of its highest position without affectingr the operation of forcing the liquid through the pase sage 30. The latter flieature is emphasized in Fig. 6 where no openings i7, 18 or l j, above which the piston may rise', are provided. These(imparativcly quietl and rapid refilling of the pistozfehamber is very important at a busy fountain and where a plurality of glasses are to be supplied with the saine syrup for the purpose of filling a single order.

'lhe two disks of the piston need not both fit the piston-chamber. One of the disks may be o1' any desired form so long as it is arranged toclose the openings in the other disk when both disks come together.

The latter may be openings through one disk do not register with the openings in the other disk, or that both disks together have a form which is adapted -to close the entrance to the space beneath the piston. Aside from thisit is immaterial how much or how little of their combined area cach piston-disk or plate covers.

The preferred construction lshown in the drawings has, among others, the advantage that the liquid bevalves are easily dis-arranged and made inoperative while th e closure between the two disks is, if anything, improved by wear of their adjacent faces produced by their contacts.

What I claim as new and desire to secure by Letters Patent is-H 1. 'l'ho combination 'with a syrup receptacle, of :1 mensurlng chamber in the bottom of said receptacle, a combination piston-rod 'nnd outlet-tube, and a piston in said chamber, comppsod of a plurality of` disks each mounted on said lube and separable one from another to constitute a normally open valve adapted to admit liquid -to the chamber when the parts are separated.

2.'. 'lhe coiiibinuton with a syrup receptacle, of a. measuring-chamber in theboltom ot' said receptacle, :i piston in said clnimbcr und a hollow piston-rod; said piston beim; mounted on the piston-rod und consisting' of disconnected disks which constitute :i vulve; said disks constructed :1nd arranged so :is to Inll iipurt whcntl piston is iionnry or moved backward und to move together und close communicntion between said rccepluclc :ind chamber ivln-n iluI piston is moved forward.

Ci. 'lho combination with :i syrup-rcccplnclc, of a nmasur- Ing-chamber in lh:l bottom thm-ooi',A :i -iislon opel-uhh to lorcc Iiuuld from said chulnbi :in outlci-Iube b v nii-uns of which said piston is opi-ra said piston conslruclcd The same 10 separated to provide open communication between said Are-l ceptacle and chamber, said disks havingvrldges 12 and 13 which prevent adhesion of the adjacent faces of the disks when same are in their closed positions. l A

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

FREDRICK HENRY BECKER..

Witnesses:

E. S. PmnsoN, J. W. BncKs'rnoM.

lil,

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