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Cord-Wound Staff Churn Drive: A Swinging Lever Twists the Dash To and Fro by Cords
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Dicipta oleh

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7. Oktober 2026GB
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Cord-Wound Staff Churn Drive: A Swinging Lever Twists the Dash To and Fro by Cords

Lucius Leavenworth of Trumansburg, New York, received US 14,458, dated 18 March 1856, for "Machinery for Operating Churns": cords from a pulley, worked by a swinging lever, wind and unwind on the dash staff and turn it to and fro. This rung prints the pulley, lever head, frame and dash, builds the drive on a churn and makes butter.
Pertengahan
About 4 hours, plus printing

Arahan

1

From a swing to a twist

Memuatkan buku nota Jupyter…
2

A turned staff before it

Boyers turns his shaft with a crank; Leavenworth twists his with cords.
3

Read US 14,458

"By taking hold of the handle of the lever, and moving it with a reciprocating motion, the cords attached to arc of the lever, will alternately wind and unwind on the pulley F, causing it to partially revolve in the direction of the lever, thus causing the cords E, E, to move the staff with a reciprocating motion."
4

Print the parts

Print the pulley (/uploads/blueprints/cord-wound-staff-churn-drive-pulley.stl), the lever head (/uploads/blueprints/cord-wound-staff-churn-drive-lever-arc.stl), the frame (/uploads/blueprints/cord-wound-staff-churn-drive-frame.stl) and the dash (/uploads/blueprints/cord-wound-staff-churn-drive-dash.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.

Bahan untuk langkah ini:

Filamen PETGFilamen PETG1 keping

Alatan diperlukan:

Pencetak 3D filamen (FDM)Pencetak 3D filamen (FDM)
5

Post, frame and pulley

Stand a pine post beside a tapered food-grade bucket. Clamp the frame on its top, with a pine arm out over the bucket's centre carrying the pulley on a 10 mm rod. Pin the lever head on a 10 mm rod lower in the frame and glue a 12 mm dowel handle into it.

Bahan untuk langkah ini:

Papan painPapan pain1 keping
Baldi 20 LiterBaldi 20 Liter1 keping
Bar Bulat Keluli LembutBar Bulat Keluli Lembut1 keping
Pasak kayu kerasPasak kayu keras1 keping
Skru kayu #8 x 1"Skru kayu #8 x 1"1 keping

Alatan diperlukan:

Gergaji TanganGergaji Tangan
Gerudi Tanpa WayarGerudi Tanpa Wayar
Set Mata GerudiSet Mata Gerudi
Set pemutar skruSet pemutar skru
6

Staff, dash and cords

Push the dash onto a 16 mm hardwood staff and stand it in the bucket, its top in the pulley's large groove. Tie a cord from each pulley groove, wind it a few turns round the staff, the two the same way, and fix it to a pin in the staff. Tie cord H round the pulley's small hub in opposite directions to the two ends of the lever's arc.

Bahan untuk langkah ini:

Pasak kayu kerasPasak kayu keras1 keping
TaliTali1 keping
Gam KayuGam Kayu1 keping

Alatan diperlukan:

Gerudi Tanpa WayarGerudi Tanpa Wayar
Set Mata GerudiSet Mata Gerudi
7

The patent drawing

US 14,458 drawing sheet, public domain (expired patent).
Langkah 7 - Image 1
8

Churn

Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 3 litres. Swing the lever steadily to and fro; time until the butter comes. 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.

Bahan untuk langkah ini:

Krim pekatKrim pekat3000 ml
Garam Laut KasarGaram Laut Kasar1 keping
AirAir1 keping

Alatan diperlukan:

Termometer prob kekalTermometer prob kekal
Jam RandikJam Randik
Penimbang Dapur DigitalPenimbang Dapur Digital
Mangkuk adun keluli tahan karat (besar)Mangkuk adun keluli tahan karat (besar)
9

Troubleshooting

Cord-wound drive troubleshooting.

Flow

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10

History and honest limits

**Lucius Leavenworth** of Trumansburg, Tompkins County, New York, US 14,458, 18 March 1856. The lever's wrist pin could take "a connecting rod from a rocking chain or other power." He claimed the cords attached to the pulley and wound on the staff to give a rotary motion. A bucket, pine and printed parts stand in for his. FDM prints hold food in their layer lines, so wash well and replace when worn.

Bahan

11
  • 1 keping
    Pemegang Tempat
  • 1 keping
    Pemegang Tempat
  • Pemegang Tempat
  • Pemegang Tempat
  • Pemegang Tempat
  • Pemegang Tempat
  • 1 keping
    Pemegang Tempat
  • 1 keping
    Pemegang Tempat
  • 3000 ml
    Pemegang Tempat
  • Pemegang Tempat
  • 1 keping
    Pemegang Tempat

Alatan Diperlukan

9

CC0 Domain Awam

Blueprint ini dikeluarkan di bawah CC0. Anda bebas menyalin, mengubah, mengedar, dan menggunakan karya ini untuk sebarang tujuan, tanpa meminta kebenaran.

Sokong Pembuat dengan membeli produk melalui Blueprint mereka di mana mereka memperoleh Komisen Pembuat ditetapkan oleh Penjual, atau cipta iterasi baru Blueprint ini dan sertakan ia sebagai sambungan dalam Blueprint anda sendiri untuk berkongsi hasil.

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