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Spiral-Slide Egg Beater: Push a Slide, Two Scrolls Turn Opposite Ways
Emma

Ṣẹ́dá nipasẹ̀

Emma

6. Oṣù Kẹwà 2026SE
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Spiral-Slide Egg Beater: Push a Slide, Two Scrolls Turn Opposite Ways

Two beaters turning opposite ways had needed gears or a rack. Uriah Baker of Brooklyn received US 30,453, dated 23 October 1860, for an egg beater "arranging on one spindle two egg beaters, and operating them simultaneously in opposite directions, by means of independent worms or spiral threads or grooves attached to them, and an agitatory slide, working longitudinally on the spiral threads": pins on the slide turn the inner scroll one way and the outer the other as the slide is worked up and down. This rung works out the turns per stroke, then prints two twisted bars of opposite hand and the slide's nuts, builds the spindle and scrolls, and times a beating.
Ilọsíwájú
About 4 hours, plus printing

Ìlànà

1

Turns per stroke

Ń ṣí ìwé Jupyter…
2

Two opposite beaters from one motion before it

The embedded blueprint turns two pinions opposite ways with one rack. Baker does it with two spirals of opposite hand and one slide.
3

Read US 30,453

"The pin G, or other equivalent device on the upper end of the reciprocating agitatory slide H, engaging into grooves formed by the spiral wires E, while the pin I, or other equivalent device on the lower end of the slide H, engaging into the spiral C, rotates the scroll D, in a direct rotatory motion. By this compound action the two scrolls cut and beat the egg to pieces with great rapidity."
4

Print the spirals and nuts

Print the right-hand twisted bar (/uploads/blueprints/spiral-slide-egg-beater-spiral-right.stl), the left-hand one (/uploads/blueprints/spiral-slide-egg-beater-spiral-left.stl) and two square-hole nuts (/uploads/blueprints/spiral-slide-egg-beater-nut.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls.

Àwọn ohun èlò fún ìgbésẹ̀ yìí:

Okùn PETGOkùn PETG1 ẹyọ

Àwọn irinṣẹ́ tí a nílò:

Ẹ̀rọ ìtẹ̀ 3D oníwàyà (FDM)Ẹ̀rọ ìtẹ̀ 3D oníwàyà (FDM)
5

Spindle and inner scroll

Epoxy the right-hand bar on a 240 mm rod of 5 mm steel, 60 mm from its foot. Bend two loops of stainless wire 24 mm across onto the rod's foot: the inner scroll.

Àwọn ohun èlò fún ìgbésẹ̀ yìí:

Ọ̀pá Róbótó Irin Rírọ̀Ọ̀pá Róbótó Irin Rírọ̀1 ẹyọ
Okùn irin aláìjẹrùnOkùn irin aláìjẹrùn1 ẹyọ
Ẹpọ́ksì Ẹ̀yà MéjìẸpọ́ksì Ẹ̀yà Méjì1 ẹyọ

Àwọn irinṣẹ́ tí a nílò:

Ayùn IrinAyùn Irin
Ìdìmú TábìlìÌdìmú Tábìlì
Ẹ̀mú Olórí YíkáẸ̀mú Olórí Yíká
Ẹmú Ẹnu PẹrẹsẹẸmú Ẹnu Pẹrẹsẹ
6

Upper spiral and outer scroll

Slide the left-hand bar on above it, free to turn, and stop it with a collar. Hang two wires from a disk on its top down past the slide, and bend them into an outer scroll 44 mm across round the inner one.

Àwọn ohun èlò fún ìgbésẹ̀ yìí:

Okùn irin aláìjẹrùnOkùn irin aláìjẹrùn1 ẹyọ
Ẹpọ́ksì Ẹ̀yà MéjìẸpọ́ksì Ẹ̀yà Méjì1 ẹyọ
Wáṣà PẹrẹsẹWáṣà Pẹrẹsẹ1 ẹyọ

Àwọn irinṣẹ́ tí a nílò:

Ẹ̀mú Olórí YíkáẸ̀mú Olórí Yíká
Ẹmú Ẹnu PẹrẹsẹẸmú Ẹnu Pẹrẹsẹ
Òṣùwọ̀n Kálípà Díjítà Ìnṣì 6Òṣùwọ̀n Kálípà Díjítà Ìnṣì 6
7

The slide

Epoxy the two nuts into the ends of a 92 mm tube, one on each bar, so the tube slides along both. Fix a hardwood knob on the spindle's top.

Àwọn ohun èlò fún ìgbésẹ̀ yìí:

Àwọn dowel igi líleÀwọn dowel igi líle1 ẹyọ
Ẹpọ́ksì Ẹ̀yà MéjìẸpọ́ksì Ẹ̀yà Méjì1 ẹyọ

Àwọn irinṣẹ́ tí a nílò:

Àwọn Ìfá (Ìfá Ọwọ́)Àwọn Ìfá (Ìfá Ọwọ́)
Ẹ̀rọ Ìlùkòkò AláìlókùnẸ̀rọ Ìlùkòkò Aláìlókùn
Àkójọ Orí ÌlùkòkòÀkójọ Orí Ìlùkòkò
8

The build in 3D

FreeCAD model of this build, not of the patent: the spindle with the right-hand bar fixed and the left-hand bar free, the slide with a square nut on each, the inner and outer scrolls, and the knob.
Fáìlì ÀpẹrẹBLENDCC0 - Free
9

Beat egg whites

Hold the knob and work the slide up and down in a bowl of two egg whites; time to stiff peaks.
Ìgbésẹ̀ 9 - Image 1

Àwọn ohun èlò fún ìgbésẹ̀ yìí:

ẸyinẸyin2 ẹyọ

Àwọn irinṣẹ́ tí a nílò:

Àwo ìdàpọ̀ ńlá ti irin tí kò ń yáÀwo ìdàpọ̀ ńlá ti irin tí kò ń yá
Aago ÌdúróAago Ìdúró
10

A slide that jams, scrolls that turn together

Spiral-slide egg beater troubleshooting.

Flow

Loading...
11

History and honest limits

**Uriah Baker** of Brooklyn, Kings County, New York, received US 30,453, dated 23 October 1860. The lower spiral C is a permanent fixture on the spindle; the spiral E with the outer scroll F slides down onto the spindle and turns on it, kept by a shoulder; the inner scroll D is soldered to the spindle inside F; the slide is put on from the lower end and its pins inserted to engage the spirals. **Honest limits.** FDM prints hold food in their layer lines, so wash well and replace when worn. Printed twisted bars and square nuts stand in for his spiral wires and pins. Your times are the result.

Àwọn ohun-èlò

7

Àwọn irinṣẹ́ tó nílò

11

Àwọn fáìlì àpẹrẹ

1

Ìtọ́nisọ́nà yìí ń ṣe

CC0 Àgbègbè Gbogbogbò

Blueprint yìí ti jáde lábẹ́ CC0. O lè ṣe àdàkọ, yí padà, pín, àti lò láìsí ìyọ̀ǹda.

Ṣàtìlẹ́yìn Olùṣẹ́dá nípa rírà àwọn ọjà nipasẹ̀ Blueprint wọn Ẹ̀san Olùṣẹ́dá tí àwọn Olùtajà gbé kalẹ̀, tàbí ṣẹ̀dá àtúnṣe tuntun ti Blueprint yìí kí o sì fi sínú Blueprint rẹ gẹ́gẹ́ bí ìsopọ̀ láti pín owó-wíwọlé.

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