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Screw-Tube Egg Beater: The Tube Spins, the Rod Stands Still
YourGrandma

Créé par

YourGrandma

6. octobre 2026IS
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Screw-Tube Egg Beater: The Tube Spins, the Rod Stands Still

A push-spinning egg beater turns on its point in the bowl: it wanders, and pressing on it slows it. Walter Hart of Philadelphia received US 31,663, dated 12 March 1861, for an egg beater whose wire beaters are on a tube with a screw thread, spun by a nut slid up and down; inside it a rod fixed to the handle ends in a button that rests on the bottom of the vessel, so "the base ... is stationary and therefore has no tendency to slip" and the pressure is borne by the rod, leaving the tube free to turn. This rung works out the tube's turns per stroke, then prints the lobed screw tube and nut, fits rod, button and beaters, and times a beating.
Débutant
About 2 hours, plus printing

Consignes

1

Turns per stroke

Chargement du notebook Jupyter…
2

A spiral and slide before it

The embedded blueprint turns two scrolls with a slide on two spirals. Hart turns one screw tube and stands the whole beater on a still rod.
3

Read US 31,663

"In my improved egg beater the base, consisting of the button e, which rests on the bottom of the vessel, is stationary and therefore has no tendency to slip and as the pressure imparted to it is sustained by the stationary rod and not by the tube the latter is free to rotate under any pressure to which the instrument may be necessarily subjected."
4

Print the tube and nut

Print the three-lobed screw tube (/uploads/blueprints/screw-tube-egg-beater-tube.stl) standing upright, and the nut (/uploads/blueprints/screw-tube-egg-beater-nut.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls.

Matériaux pour cette étape :

Filament PETGFilament PETG1 pièce

Outils nécessaires :

Imprimante 3D à filament (FDM)Imprimante 3D à filament (FDM)
5

Bend the beaters

Bend three loops of stainless wire about 32 mm across and 45 mm high, and epoxy their ends round the tube's lower end.

Matériaux pour cette étape :

Fil d'acier inoxydableFil d'acier inoxydable1 pièce
Époxy à deux composantsÉpoxy à deux composants1 pièce

Outils nécessaires :

Pince à becs rondsPince à becs ronds
Pince platePince plate
6

Rod, button and handle

Pass a 5 mm rod through the tube, with the nut on the tube. Epoxy a washer to the rod's foot as the button, leaving the tube 2 mm of play, and a hardwood handle on its top.

Matériaux pour cette étape :

Rond en acier douxRond en acier doux1 pièce
Rondelle plateRondelle plate1 pièce
Goujons de bois durGoujons de bois dur1 pièce
Époxy à deux composantsÉpoxy à deux composants1 pièce

Outils nécessaires :

Scie à métauxScie à métaux
Étau d'établiÉtau d'établi
Perceuse sans filPerceuse sans fil
Jeu de foretsJeu de forets
7

The patent drawing

US 31,663 drawing sheet, public domain (expired patent).
Étape 7 - Image 1
8

Beat egg whites

Stand the button on the bowl's bottom, hold the handle, and slide the nut up and down; time two whites to stiff peaks. Note whether the button stays put.
Étape 8 - Image 1

Matériaux pour cette étape :

ŒufŒuf2 pièces

Outils nécessaires :

Grand cul-de-poule en acier inoxydableGrand cul-de-poule en acier inoxydable
ChronomètreChronomètre
9

A tube that sticks, a nut that binds

Screw-tube egg beater troubleshooting.

Flow

Loading...
10

History and honest limits

**Walter Hart** of Philadelphia received US 31,663, dated 12 March 1861. His thread is three wires coiled on the tube, their lower ends spread into the beaters; the nut is wood with a pin entering between the wires; a strip of metal lapped spirally may replace the wires. He did not claim the screw spindle, beaters and nut as such, which were known, but their combination with the internal rod and button. **Honest limits.** FDM prints hold food in their layer lines, so wash well and replace when worn. A printed lobed tube stands in for his wire thread. Your times are the result.

Matériaux

7

Outils requis

9

CC0 Domaine public

Ce blueprint est publié sous CC0. Vous êtes libre de copier, modifier, distribuer et utiliser ce travail pour tout usage, sans demander la permission.

Soutenez le Maker en achetant des produits via son Blueprint où il perçoit une Commission Maker définie par les Vendeurs, ou créez une nouvelle itération de ce Blueprint et incluez-le comme connexion dans votre propre Blueprint pour partager les revenus.

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