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

Yaremwe na

Emma

6. Ukwakira 2026SE
37
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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.
Hejuru
About 4 hours, plus printing

Amabwiriza

1

Turns per stroke

Gupakira ikaye ya 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, the left-hand one and two square-hole nuts. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls.

Ibikoresho by'iyi ntambwe:

Fibere ya PETGFibere ya PETG1 igice

Ibikoresho bikenewe:

Imashini icapa 3D ikoresha umugozi (FDM)Imashini icapa 3D ikoresha umugozi (FDM)
5

Print the right-hand twisted bar

The right-hand twisted bar, printed as step 4 describes.
Dosiye y'IgishushanyoSTLCC0 - Free
6

Print the left-hand twisted bar

The left-hand twisted bar, printed as step 4 describes.
Dosiye y'IgishushanyoSTLCC0 - Free
7

Print the nut

The nut, printed as step 4 describes.
Dosiye y'IgishushanyoSTLCC0 - Free
8

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.

Ibikoresho by'iyi ntambwe:

Umurongo Uzengurutse w'Icyuma CyoroshyeUmurongo Uzengurutse w'Icyuma Cyoroshye1 igice
Insinga z'icyuma kitagira ingeseInsinga z'icyuma kitagira ingese1 igice
Epoksi y'Ibice BibiriEpoksi y'Ibice Bibiri1 igice

Ibikoresho bikenewe:

Umucumita w'IbyumaUmucumita w'Ibyuma
Ifatiro ry'AmezaIfatiro ry'Ameza
Ikinyuranyo Gifite Impera ZizengurutseIkinyuranyo Gifite Impera Zizengurutse
Ipfundo Rifite Umunwa UringaniyeIpfundo Rifite Umunwa Uringaniye
9

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.

Ibikoresho by'iyi ntambwe:

Insinga z'icyuma kitagira ingeseInsinga z'icyuma kitagira ingese1 igice
Epoksi y'Ibice BibiriEpoksi y'Ibice Bibiri1 igice
Uruziga RurambuyeUruziga Rurambuye1 igice

Ibikoresho bikenewe:

Ikinyuranyo Gifite Impera ZizengurutseIkinyuranyo Gifite Impera Zizengurutse
Ipfundo Rifite Umunwa UringaniyeIpfundo Rifite Umunwa Uringaniye
Ikigereranyo cya Digitale cy'Amasentimetero 6Ikigereranyo cya Digitale cy'Amasentimetero 6
10

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.

Ibikoresho by'iyi ntambwe:

Udukoni tw'ibiti bikomeyeUdukoni tw'ibiti bikomeye1 igice
Epoksi y'Ibice BibiriEpoksi y'Ibice Bibiri1 igice

Ibikoresho bikenewe:

Amakariso (Ikariso ry'Intoki)Amakariso (Ikariso ry'Intoki)
Icyuma Cyivumbura Kidafite InsingaIcyuma Cyivumbura Kidafite Insinga
Ibyuma Byinshi byo GucukuraIbyuma Byinshi byo Gucukura
11

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.
Dosiye y'IgishushanyoBLENDCC0 - Free
12

Beat egg whites

Hold the knob and work the slide up and down in a bowl of two egg whites; time to stiff peaks.
Intambwe 12 - Image 1

Ibikoresho by'iyi ntambwe:

IgiIgi2 ibice

Ibikoresho bikenewe:

Ibakure rinini ryo kuvanga ry'icyuma kitagira ingeseIbakure rinini ryo kuvanga ry'icyuma kitagira ingese
Isaha yo GuhagarikaIsaha yo Guhagarika
13

A slide that jams, scrolls that turn together

Spiral-slide egg beater troubleshooting.

Flow

Loading...
14

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.

Ibikoresho

7

Ibikoresho bikenewe

11

Dosiye z'igishushanyo

4

CC0 Umurenge rusange

Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.

Shyigikira Umuremyi ugura ibicuruzwa binyuze muri Blueprint ye Komisiyo y'Umuremyi byashyizweho n'Abacuruzi, cyangwa kora verisiyo nshya y'iyi Blueprint ukayinjiza nk'isano muri Blueprint yawe kugira ngo musangire inyungu.

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