US535230A - Churn - Google Patents

Description

' J. H. STEWART.

GHURN.

Patented Mar. 5 1895.

(No Model.)-

NITED STAT S PATENT OFFICE.

JOHN H. STEWART, OF DU BOIS, PENNSYLVANIA.

CHURN.

SPECIFICATION forming part of Letters Patent- No. 535,230, dated March 5, 18 95.

, Application filed July 11, 1894. Serial No. 517,226. (No model.)

T0 at whom it may concern.-

Be it known that 1, JOHN H. STEWART, a citizen of the United States, residing at Du Bois, in the county of Clearfield and State of Pennsylvania,have invented certain new and usefulImprovements in Chorus; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to whichit appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

Figure 1 is an elevation of a churn to which I have applied my improvements. Fig. 2 isa horizontal section of the same just above the cover. Fig. 3 is a vertical section of the churn. Fig. 4. is a detail enlarged view of one of the bearings of the dasher. Fig. 5 is a detail view, partly broken away, hereinafter referred to. Fig. 6 is an enlarged view of one of the dashers.

The object of my invention is to provide a churn which will bring butter in the shortest possible period of time, with the minimum of exertion.

With such object in view my invention consists in the following construction and combination of parts, which will first be fully described in detail and the features of novelty contained therein then specifically set forth and claimed.

In the drawings-A represents a chu rn body which may be of any form or shape or construction suitable for the purpose. In the drawings I have shown a keg or barrel form which gives good results.

B represents a series of vertical ribs formed upon the interior of the churn.

O G is the cover made of two semicircular parts, both of which are detachable.

D is the standard mounted upon one section of the cover, the top of which carries bearings for the crank-shaft E.

F is the dasher shaft mounted upon a wooden conical bearing Gat the bottom of the shaft. The top extension H of the dasher shaft F has its upper end inserted in a T- shaped bearing 1, which bearing has an opening at right angles to the opening which receives the shaft H, so that it may be slipped upon the crank-shaft E and secured thereon by a pin J, or other means of fastening the same.

In addition to the hearing I for the dashershaft is the bearing K consisting of two parts, one of which L is stationary and is secured by the screw M to one-half of the cover, and the other, N, is movable, being slotted at 0, so that the part N may be moved in and out. The screw P secures the parts of the bearing together about the shaft F when the churn is operated. Both parts L and N of the bearing K are secured to one of the halves of the cover 0. I

Q is a transparency formed in the half of the cover which does not carry the standard D, through which the condition of the contents of the churn may be inspected.

R are pins secured to the inner sides of the churn-bodyA and project above thetop of the churn. The half of the cover 0 is provided with holes corresponding to the pins B so that the cover may be slipped down over the pins R and secured to the top of the churn by means of pins S which pass through the churn cover 0' and through the pins R. The interior of the pins R is hollow so that they perform the double office of vent-tubes for the interior of the churn, and means of fastening the cover to the body. T are springs secured to the side of the churn, the free ends of which are attached to the pins S for the purpose of holding the latter in place.

U are a series of dasher-blades secured to the dasher-shaft F at a downwardly projecting angle, the rear edges of which are provided with an inclined upwardly extending rib V.

The blades U are formed as shown in Fig. 6, being provided with a dowel-pin W formed integral therewith and a solid rear extension X, both of which are let into the dasher-shaft F at the angle shown.

To take out the dasher the cover G is taken off by removing the pins S. The pin J is then removed from the shaft E. The screw P is then loosened and the part N of the bearing K slid outwardlyaway from the shaft F, when the latter with the dasher, may be removed from the churn. The part C of the cover which supports the standard is also removable.

IOC

After the butter has been brought, the butter may be washed in the churn, and it may also be gathered by rotating the dasher back- Ward. The connection between the handle Y 5 and the dasher F is made by the bevel gear Z on shaft E, and the bevel pinion 2 on shaft F. Either one of the bearings I or K may be dispensed with if desired, or both may be used.

I claim-- 10 In a churn the combination of a receptacle,

a rotary dasher mounted therein, a crankshaft,mechanism arranged between the crankshaft and the dasher for rotating the same, and a coupling bearing for the dasher shaft located upon the cover and comprising two parts, one of which is stationary and the other movable and working in the stationary part by a sliding connection.

In testimony whereof I affix my signature in presence of two witnesses.

JOHN H. STEWVART. Witnesses:

CLEMENT T. PAINE, WM. RUssELL DEEMER.

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