US1112598A - Percolating coffee-pot. - Google Patents

Description

PATENT OFFICE.

WALTER H.' COOK, 0F NEW ORLEANS, LOUISIANA.v

PRCOLATING COFFEE-POT.

Specification of Letters Patent.

Application filed May 28, 1912. Serial N o. 700,267.

To all whom t may concern.'

Be it known that I, IVALTER H. Coon, a citizen of the United States, residing at New Orleans, in the parish of Orleans and State of Louisiana, have invented new and useful Improvements in Percolating Coffee-Pots, of which the following is a specification.

This invention. relates to improvements in percolating coffee pots, and its objects are to enable the drip of the infusion into the boiling chamber to be accurately regulated at any desired degree, and at the same time, to enable a complete dissociation of the parts in the percolating chamber for cleaning or other purposes.

- An e bodiment of the invention is illustrated in the accompanying drawings, wherein:

Figure l is a vertical central sectional view of the coilee pot in which the features of the invention are incorporated; Fig. 2 is a plan view of the pcrcolating chamber. Fig. 3' is a perspective view showing a detail of construction.

Similar characters of reference designate corresponding parts throughout the several views. l

The coffee pot comprises a boiling chamber 1 and a percolating chamber 2. The latter may be of any well known form. As shown, it is in the form ofa sheet metal cylindcr, and is formed with a slightly reduced `extension 3 which projects into .an opening in the top of the chamber 1, and defines a Shoulder 4t whereby the chamber 2 is supported upon the chamber 1.-

The extension 3 has a conical bottom which is formed with an opening 5 of suitable diameter, and through which the infusion drips from the chamber 2` to the chamber 1. The effective size of the opening 5 controlled by a needle valve G, which passes axially through the chamber 2 and at lts upper end projects beyond said chamber.

The support for the valve 6 includes a tube 7 which isk arranged Within the chamber 2 in surrounding relation to said valve, and which has fixed at its end a perforated screening plate 8 to prevent any grounds from passing over into the chamber l. The tube 7 pr'ojects at its upper end beyond the chamber 2, and its upper edge is formed with a. series of steps 9 of successively increasing height. The valve G, at its upper end, is provided with a laterally projecting pin 10 which is adapted to rest upon any one of the steps 9. It will be obvious that thev position of the valve G with reference to the opening 5` depends upon which particular step 9 of the tube 7 is engaged by the pin 10. If the lower step 9 is engaged by said pin,

the opening-5 is of its smallest effective size.

Patented Oct. 6, 1914-.'

the arrangement and number of the steps 9,

which are arranged above said cover, the latter having a central opening 16 through which the tube 7 projects. Thus, the designations on the cover 11 may comprise the words Light, Medium, and Dark. The Word Light is arrangedadjacent the highest step 9; the word Medium is arranged adjacent the intermediate step 9; and the word Dark is arranged adjacent the lowest step 9. If the 'finger 10 points tothe word Dark, as shown, said finger is resting on the lowest step 9, and an indication is thereby given that'full strength coHee will be produced. In like manner, if the finger l0 points to the Words Medium 1, or Light, said finger rests upon the step adjacent said words, and an indication is given that coffee will be produced of medium or leaststrength, as the case may be.

In order to insure of the accuracy of the readings above referred to, the cover 11 should always occupy a definite position. andfor this purpose, said cover niay have its edge provided with a notch 12, and th( upper edge of the chamber 2 maybe provided With a pin 13, which will project inte Y the notch 12 and thereby hold the cover in the definite position referred to, and prevent any movement of the ,cover lromsaid position. In this Way, the'accuracy of the readings and of the adjustment of the valve G is assured.

If desired, a` perforated plate 14 may be arranged in the chamber 2, above the coffee, the Water being poured'through this plate,

which thereby uniformly distributes the Y.

water overI the coffee in said chamber. The plate 14 loosely surrounds the tube 7 and may rest upon an annular bead 15.

lt will be observed that the cover 11 may I of the valve 16,

' ally projectingl pin be removed Whenever necessary, Without interfering with the arrangement or relation and that saidV valve is entirely dissociable from the tube 7. Ur, if desired, the'tube 7 and the valve 6 may be withdrawn in a unitary manner from the chamber 2, to enable complete access to all the parts for cleaning or other purposes.

Having fully ldescribed my invention, l claim:

l.y ln a coffee pot, a boiling chamber, a

percolating chamber communicating thereivith, a tube projecting'- beyond the percolating chamber and having a stepped upper end, a needle valve to control the drip of coffee from the percolating chamber to the boiling chamber, the valve having a laterally projecting pinto engage-upon the stepped vupper end ofthe tube, a cover for the percolating chamber, the cover having an openix'ig through which the tube projects andv having designations corresponding; to

the steps upon the upper end of the tube and holding the coverk When closed,

ot the percolating chamber, the plate in turn supporting the tube.

3. ln a coffee pot, a boiling chamber, a

percolating chamber communicating there- LY,vvitlm a tube projecting -beyond the percolating chamber and having a stepped upper end, a needle valve to ycontrol the 'drip of coffee from the percolating chamber to the boiling chamber, the valve having a laterally projecting pin to engage upon the stepped upper end of the tube., and a removable cover closing the upper end ot the percolating chamber and provided with; an opening through which the tube projects.

4. ln a coffee ot, a `boiling chamber, a percolating chamber having an opening in its bottpm communicating with the boiling chamber, a removable cover for the percolating chamber, a valve extending vertically through said percolating chamber andv formed to regulate the effective size of said opening, a tube inclosing the valve, the upper ends of the valve and the tube projecting through the cover and the valve being supported by the tube and being adjustable lengthwise thereof, and a vperforated screening plate for straining the infusion passing to said opening, said plate being removably supported Within the 'percolating' chamber and rigidly secured to the tube.

' In testimony whereof I have hereunto set my hand in presence of tivo subscribing Witnesses. y

- WALTER, H. 000K.

. Witnesses:

CHARLES H. NASH, ltoennr WATERMAN,

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