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Liftable-Breaker Dasher Churn: Breakers Stand Still to Churn, Then Lift and Turn to Gather
Isaac L. Dickinson, Richmond, Indiana · Public domain (expired patent)
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Emma

6. Oktoba 2026SE
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Liftable-Breaker Dasher Churn: Breakers Stand Still to Churn, Then Lift and Turn to Gather

Dickinson made the breakers do two jobs: stand still while the cream is churned, then turn with the dashers to gather the butter. Isaac L. Dickinson of Richmond, Wayne County, Indiana, received US 10,487, dated 31 January 1854, for "Dickinson's Improved Churn": perforated dashers on a shaft turned by a crank through bevel wheels, between perforated breakers joined by arms through which the shaft passes, "held stationary by pins entering holes in the bottom of the tub." When the butter is separated the breakers are lifted; the dashers' lower ends enter slots in them, held by small springs, and both "revolve together" to collect the butter. An oblique hole through the shaft admits air. This rung works out the speeds, then prints the base plate, breaker frame, dasher, crown wheel, pinion and standard, builds the churn, and makes butter.
Kati
About 4 hours, plus printing

Maagizo

1

Still breakers, turning dashers

Inapakia daftari la Jupyter…
2

A revolving dasher with still breakers before it

The embedded blueprint beats the cream back with fixed slats. Dickinson's breakers stand still while churning and then turn with the dashers to gather the butter.
3

Read US 10,487

"The cream or milk being put into the tub, the dashers are revolved around the shaft by turning the crank e, the breakers remaining stationary, when the butter is separated the breakers are elevated as above described, and revolve with the dashers forming the whole sweep of the tube, for the purpose of collecting the butter—the dasher and breakers being held together in this position by the springs i, i, before mentioned."
4

Print the parts

Print the base plate with its pivot and two pin holes, the breaker frame flat on its face, the dasher standing up, the 36-tooth crown wheel, the 12-tooth pinion and the standard. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.

Vifaa kwa hatua hii:

Uzi wa PETGUzi wa PETG1 kipande

Zana zinazohitajika:

Printa ya 3D ya nyuzi (FDM)Printa ya 3D ya nyuzi (FDM)
5

Print the base plate

The base plate, printed as step 4 describes.
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Pakua modeli
6

Print the breaker frame

The breaker frame, printed as step 4 describes.
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7

Print the dasher

The dasher, printed as step 4 describes.
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8

Print the crown wheel

The crown wheel, printed as step 4 describes.
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Pakua modeli
9

Print the pinion

The pinion, printed as step 4 describes.
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10

Print the standard

The standard, printed as step 4 describes.
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11

Tub, shaft and frame

Use a straight-sided round food-grade container about 190 mm across inside and 250 mm deep. Lay the base plate in its bottom. Drill a 3 mm hole slantwise through a 10 mm stainless rod near its top, inside the tub, as his air hole m. Slide the breaker frame down over the rod so its pins drop into the base plate's holes, then slide on the dasher so its boards sit just above the frame's bottom bar, and tighten its set screw. Stand the rod's foot in the pivot.

Vifaa kwa hatua hii:

Chombo cha kuhifadhi cha daraja la chakulaChombo cha kuhifadhi cha daraja la chakula1 kipande
Ufito wa chuma lainiUfito wa chuma laini1 kipande
Skrubu za mashineSkrubu za mashine1 kipande

Zana zinazohitajika:

Kekee cha BetriKekee cha Betri
Seti ya vichimbuziSeti ya vichimbuzi
Msumeno wa chumaMsumeno wa chuma
Seti ya bisibisiSeti ya bisibisi
12

Lid, gears and crank

Cut the container's lid in half and fix one half over the tub with a hole for the rod. Fix the pinion on the rod's top. Screw the standard to the lid half and run a short 10 mm rod through its bearing into the crown wheel so its teeth mesh the pinion; screw a dowel handle into the crown wheel's boss.

Vifaa kwa hatua hii:

Ufito wa chuma lainiUfito wa chuma laini1 kipande
Vijiti vya mbao ngumuVijiti vya mbao ngumu1 kipande
Skrubu ya mti #8 x inchi 1Skrubu ya mti #8 x inchi 11 kipande
Skrubu za mashineSkrubu za mashine1 kipande

Zana zinazohitajika:

Msumeno wa chumaMsumeno wa chuma
Seti ya bisibisiSeti ya bisibisi
Kekee cha BetriKekee cha Betri
13

The build in 3D

FreeCAD model of this build, not of the patent: the tub cut away to show the base plate, the breaker frame pinned to it and the dasher on the rod between the breakers, with the crown wheel and pinion on the half lid.
Faili ya UsanifuBLENDCC0 - Free
Pakua modeli
14

Churn, then lift and gather

Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 2 litres and crank steadily; time until the butter comes. Lift the breaker frame by its arm until its pins leave the base plate and its slots take the dashers' lower ends, then crank on slowly so the whole frame sweeps the butter together. Pour off the buttermilk, add cold water, churn a little and pour off again until it runs clear; work in a pinch of salt and weigh the butter.
Hatua 14 - Image 1

Vifaa kwa hatua hii:

Malai nzitoMalai nzito2000 ml
Chumvi ya Bahari MbichiChumvi ya Bahari Mbichi1 kipande
MajiMaji1 kipande

Zana zinazohitajika:

Kipima joto chenye kijiti kinachobaki ndaniKipima joto chenye kijiti kinachobaki ndani
Saa ya kupima mudaSaa ya kupima muda
Mizani ya dijitali ya jikoniMizani ya dijitali ya jikoni
Bakuli kubwa la kuchanganyia la chuma cha puaBakuli kubwa la kuchanganyia la chuma cha pua
15

Breakers that turn, slots that will not hold

Liftable-breaker churn troubleshooting.

Flow

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16

History and honest limits

**Isaac L. Dickinson** of Richmond, Wayne County, Indiana, received US 10,487, dated 31 January 1854 (the drawing sheet reads "I. L. Dickinson"). The specification uses the letter i for both the lid's staples and the dashers' springs. He claimed the combination of the rotating dashes with the breakers, "so that said breakers may remain stationary, while churning and revolving with the dashers to collect the butter." **Honest limits.** A container, printed parts and a crown wheel with a spur pinion stand in for his tub and bevel wheels; a raised rib stands in for each spring. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.

Vifaa

9

Zana Zinazohitajika

9

Faili za muundo

7

Mchoro huu unatengeneza

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Blueprint zinazohusiana

Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni

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