US668245A - Churn. - Google Patents

Description

Patentd Feb. I9, |90I. J. W. WLFE.

CHURN (Application maa mr; 9,1900.)

(No Model.)

lrtree.

nari* CHURN.

SPECIFICATION forming part of Letters Patent No. 668,245, dated February 19, 1901.

Application tiled March 9, 1900.

To all whom t may concern.-

Beit known that I, JOHN W. WOLFE, a citi- Zen of the United States, residing at Cincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in Churns, of which the following is a specification.

My invention relates to certain improvements in churns, and particularly in rotary churns, and has for its object to provide a churn of this general character which shall be simple, inexpensive and durable in construction, and shall be capable of being readily and thoroughly cleansed after use.

My invention consists in certain novel features of the construction, combination, and arrangement. of the several parts of the improved churn whereby certain important advantages are attained and the churn is made simpler, cheaper, and otherwise better adapted and more convenient for use, all as will be hereinafter fully set forth.

The novel features of the invention will be carefully defined in the claims.

In the accompanying drawings,which serve' to illustrate my invention, Figure 1 is a perspective view showing a churn constructed according to myinvention, part of the bucket or :receptacle being broken away to illustrate the arrangement of the dasher and breakers within. Fig. 2 is an enlarged fragmentary sectional view showing the` means for attaching the crank-handle to the driving-wheel. Fig. 3 is an enlarged elevation showing the upper end of the standard, together with the pulleys carried by the same; and Fig. 4 is a sectional View taken vertically through the bearing atthe upper end of said standard in the plane of the axes of the pulleys. Fig. 5 is an enlarged fragmentary view showing, inverted, the lower fork of the cross-arm carried by the standard and illustrating the form of the bearing for holding the upper end of the stirrup on which the breakers are carried. Fig. 6 is a view showing the upper end of the stirrup on which the breakers are carried. Fig. 7 is a sectional view taken transversely through the stirrup and breakers. Fig. 8 is an enlarged front view showing the Ineans for driving the dasher-shaft. Fig. 9

is an enlarged partial side view showing the Serial No. '71954. (No model.)

means for clamping the standard to a table or other support.

In the views, 1 indicates a standard for carrying the driving devices and having at its lower end projecting feet 2 2 to rest on top of a table, chair, or other support, being also provided, as shown in Fig. 9, with a bent lower end 3, in which is held a clampingscrew 4, having a clamping-plate 5 to take under the support when the standard is secured thereto. The standard 1 has at its central part a projecting shaft 6, on which is held to turn freely a driving-wheel 8, a wing-nut 7 being provided at the end of said shaft for holding the wheel in place. The drive-wheel 8 is provided with a crank-handle 9 whereby it may be turned, said handle being secured by the means shown in Figs. l and 2 and comprising a metal part or casting 12, to which the handle is held by a nut ll and which is formed with projecting wings or side portions 13 to lap over the opposite sides of the wheelrirn, the casting being secured to said rim by means of rivets 14 or the like, as shown in Fig. 2.

The rim of the drive-Wheel 8 is grooved to receive a driving connection 10, which may be a belt, chain, or other device and which has its two ends extended up, as shown in Fig. l, over two small grooved sheaves 17, held at angles to each other at opposite sides of the upper end of standard l, which has at its said upper end, as shown in Figs. l, 3, and 4f, a bearing l5, having a triangular opening formed horizontally through it for the passage of a cross-arm 16, which has one end made in triangular form to slide in said bear.- ing and its opposite end adapted to carry means for driving the dasher-shaft. The sheaves 17 are held on the bearing 15 by means of screws 18, which form shafts on which said sheaves turn and also have their inner ends adapted for engagement, as shown at 19 in Fig. 4, with the cross-arm 16 after the fashion of set-screws to hold said arm against movement in its bearing when properly set. The opposite free end of the cross-arm 16 has forks 20 in vertical alinement and provided with alined bearings 2l, in which is held for turning movement and also for vertical sliding movement a shaft 22, having between said IOO forks a removable pin or member 23, adapted for engagement,when the shaft is turned, with a lug or projection 24 on a sheave 25, loosely held on the shaft beneat-h said pin 23 and over which the upper bight of the driving connection is passed. When the shaft 22 is lifted, as shown in Fig. 8, the pin 23 is disengaged from the projection 24 on sheave 25, and when said pin 23 is removed from the shaft this latter, together with sheave 25, may be removed from the cross-arm.

The lower end of shaft 22 extends below the cross-arm and carries a pin or lateral projection 26, adapted for engagement in anotch or recess 27 in the upper end of the tubular dasher-shaft 28 when the shaft 22 is lowered, so as to drive said dasher-shaft; but when shaft 22 is elevated, as shown in Fig. 8, the

shown the same as in my present patent ap plication, Serial No. 727,884, filed August 21, 1899. 4

The lower fork 20 of cross-arm 16 has adjacent to its bearing 21 for shaft 22 an open bearing 32, extending transversely across it and formed between depending lugs or projections 33, as clearly shown in Figs. 1 and 5, the latter being an inverted perspective view showingthisfeature. Thebearing32isadapted to receive a central bent part 34 in the upper cross-bar 35 of a stirrup, preferably formed of an integral piece of metal wire or rod having its end portions bent down, as shown at 36, and adapted to extend into the bucket (indicated at y in Fig. 1) on opposite sides of the dasher-shaft. The lower extremities 37 of said stirrup are bent inwardly and toward each other and are secured to a wooden slat 39, adapted to rest on the bottom of the bucket y, the securing means herein shown comprising staples 38, driven over said extremities 37 into said slat. One of the extremities 37 is extended to the central part of the slat 39 and at this point is formed with a bent eye or socket 40, forming` a step for the lower end of the dasher-shaft 28 and also serving to prevent movement of said extremity endwise through the staples, for which latter purpose the other extremity 37 of the wire is bent, as shown at 41 in Fig. 7.

The upright portions 36 of the stirrup are formed with loops 42, adapted for the passage through them of breakers 43, formed of elongated thin wooden strips, the lower ends of which are held in notches 44, cut in opposite sides of opposite ends of the lower slat 39. The loops 42 are each-made with one side lower than the other after the manner of a spiral,

V the lower side 'of the loop being so arranged as to press the breaker 43 at all times elastically into the notch 44 in slat 39. The loops 42 are oppositely arranged, like the notches 44, so as to prevent the breakers from being dislodged by the swirl of the rotating body ot' cream within the bucket when the churn is being operated. This construction permits the ready removal of the breakers from the stirrup when desired for cleansing or other purpose, it being only necessary, to accomplish such removal, to slide the breaker up through its loop 42 far enough to disengage its lower end-from notch 44, after which the breaker may be freely removed from its loop.

In operation the turning of the drive-wheel 8 is communicated, through the connection l0, to the shaft 22, and through the engagement of said shaft with the dasher-shaft the dasher, carrying the aerating devices, is also turned, causing the contents of the bucket to be set in rapid rotation and to be aerated in a wellknown way, so as to separate the butter-globules and cause them to be broken by the breakers 43.

The devices constructed as above described are extremely simple and inexpensive and are capable of being used with any tub or with a crock, jar, or pail, or porcelain-lined vessel, since the slat 39, resting on the bottom of such vessel, centers the vessel with respect to shaft 22. The step for the dasher-shaft being carried by the stirrup also obviates the necessity of employing a tub or vessel having a fixed step-bearing, and the slat 39 being of wood prevents cracking or marring of the bottom of the vessel. The adjustable cross-arm 16 by its removable connection with the standard permits of compactly arranging the parts IOO when not required for use and also permits of adjusting the shaft 22 nearer to or farther 7from the standard,so as to take up any stretch bucket, which latter is then slid across the support fr, so as to enable the bent part 34 of the stirrup to be engaged with the beari ng 33 of the cross-arm, after which further movement of the bucket will. center same under shaft 22 and bring the sides 36 of the stirrup to a vertical position. The shaft 22 being then lifted permits the dasher-shaft 28 ,to be placed in position with its lower end in the loop 40 of the stirrup and its upper end in engagement with the shaft 22. It will be observed that by this construction Vand arrangement when the parts are assembled in position for use the stirrup serves as a brace to steady the driving mechanism and to firmly hold the vessel inposition on its support.

From the. above description it will also be vobvious that the device is capable of considerable modification without material departure from the scope and spirit of the invention, and for this reason I do not Wish to be IIO understood as limiting myself to the precise form and arrangement of the several parts herein set forth.

1. In a churn, the combination of a standard,a Cross-arm having an open bearing opening downward, a vessel, a sfirrup having its upper part engaging with and held by said open bearing and its lower part engaging with and held by the bottom of the vessel, and a dasher having a shaft provided with driving means and stepped in said stirrup, substantially as and for the purposes set forth.

2. In a churn the Combination of a standard, a cross-arm secured thereto at one end and having the other end free, a vessel, a stirrup detachably held at its upper end by engagement with the free end to the cross-arm and at its lower end by engagement with the bottom of the vessel whereby the stirrup and crossarm are firmly supported and held in position and the vessel centered with respect to the dashershaft and clamped upon its support, a step in said stirrup, a dasher having a shaft the lower end of which engages said step and means carried by the cross-arm for driving said shaft, substantially as set forth.

23. In a churn, the combination of a standard having a bearing and provided with a drive wheel, a vessel having a dasher, a cross-arm adjustable lengthwise in the bearing of the standard, a shaft carried by the cross-arm and having drivin g-conneetion with the dasher, a sheave on said shaft, a driving connection extending between the drivewheel and said sheave, two sheaves over which the central part of said connection is passed, and screws on which said two sheaves turn, said screws being held in said bearing of the standard and having engagement with the cross-arm, substantially as set forth.

4. In a churn, the combination of astandard, a cross-arm, a vessel, a stirrup depending in the vessel a dasherhavinga shaft pro-` vided with driving means and stepped at its lower end in the stirrup, and breakers removably held on said stirrup, substantially as set forth.

5. In a churn, the combination of a standard, a cross-arm, a vessel, a stirrup having upright arms and a strip extending between said arms and resting on the vessel-bottom, said arms having loops and said strip having notches, breakers held at their upper ends by said loops and at their lower ends by said notches, and a dasher having a shaft provided with driving means and stepped in said stirrup, substantially as set forth.

6. In a churn, the combination of a standard, a cross-arm, a vessel, a stirrup depending in the vessel and comprisinga lower strip to rest on the vessel bottom, and upright arms the lower ends of which are bent inwardly and secured to said strip, one of said bent lower ends having a loop or eye forming a step-bearing, and a dasher having' driving means and stepped in said loop, substantially as set forth.

JOHN W. VVOLFE.

Witnesses:

JAMES N. RAMSEY, ALBERT D. SHooKLEY.

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