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Piston-Pump Egg Beater: Pump the Eggs Through a Grate
J. J. Parker, Marietta, Ohio · Public domain (expired patent)
YourGrandma

Creato da

YourGrandma

6. ottobre 2026IS
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Piston-Pump Egg Beater: Pump the Eggs Through a Grate

A whisk stirs the eggs; it does not force them through anything. J. J. Parker of Marietta, Ohio, received US 25,038, dated 9 August 1859, for an egg beater and churn combined: a tin tube with square openings at its lower end and a piston inside, worked up and down "in the manner of a pump" by a crank, which "draws the eggs in and out through the grate bars until they are completely torn in pieces or made perfectly fine and frothy"; a band turned round the tube's foot closes the openings to vary the agitation. This rung works out the jet speed at each band setting, then prints the tube, band and piston, fits the crank, and times a beating at two settings.
Intermedio
About 3 hours, plus printing

Istruzioni

1

Jet speed at each setting

Caricamento del notebook Jupyter…
2

The churning it also does

The embedded blueprint churns cream to butter. Parker's pump-tube does the same when worked longer in cream.
3

Read US 25,038

"At the lower end of the tube is a band of about one half an inch in width loosely fitted with openings one fourth of an inch square and corresponding exactly with the openings in the tube and of the same size, so that by turning the band around either way the openings are closed or made smaller at pleasure, so as to produce more or less agitation in the eggs or cream. This band has a bottom with grate like bars cut or made in it."
4

Print the tube, band and piston

Print the tube (/uploads/blueprints/piston-pump-egg-beater-tube.stl), the band with its grate (/uploads/blueprints/piston-pump-egg-beater-band.stl) and the piston disk (/uploads/blueprints/piston-pump-egg-beater-piston.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls.

Materiali per questo passaggio:

Filamento PETGFilamento PETG1 pezzo

Strumenti necessari:

Stampante 3D a filamento (FDM)Stampante 3D a filamento (FDM)
5

Pack the piston

Cut a leather disk 2 mm larger than the piston. Clamp it between the printed disk and a washer on an M3 rod end with a nut, so its edge seals the tube.

Materiali per questo passaggio:

CuoioCuoio1 pezzo
Rondella pianaRondella piana1 pezzo
Dado esagonaleDado esagonale1 pezzo
Viti da metalloViti da metallo1 pezzo

Strumenti necessari:

Taglierino di precisioneTaglierino di precisione
Chiave regolabile a rullinoChiave regolabile a rullino
Calibro digitale da 6 polliciCalibro digitale da 6 pollici
6

Post and crank

Epoxy a 4 mm wire post up the tube's side, bent at its top into bearings 100 mm above the tube. Bend a crank shaft of 3 mm wire with a 22 mm crank one end and a handle the other, and link the crank to the rod with a wire pitman.

Materiali per questo passaggio:

Tondo di acciaio dolceTondo di acciaio dolce1 pezzo
Filo di acciaio inoxFilo di acciaio inox1 pezzo
Resina epossidica bicomponenteResina epossidica bicomponente1 pezzo

Strumenti necessari:

Morsa da bancoMorsa da banco
Pinze a becchi tondiPinze a becchi tondi
Pinze a becchi piattiPinze a becchi piatti
Seghetto per metalliSeghetto per metalli
Occhiali di sicurezza trasparentiOcchiali di sicurezza trasparenti
7

The patent drawing

US 25,038 drawing sheet, public domain (expired patent).
Passo 7 - Image 1
8

Beat at two settings

Stand the beater in a bowl with two eggs and a spoon of sugar. Crank twice a second with the band fully open and time to a fine froth; repeat with the band half closed.
Passo 8 - Image 1

Materiali per questo passaggio:

UovoUovo4 pezzi
Zucchero granulatoZucchero granulato1 pezzo

Strumenti necessari:

Grande ciotola da impasto in acciaio inossidabileGrande ciotola da impasto in acciaio inossidabile
CronometroCronometro
9

A pump that leaks past, sticks or splashes

Piston-pump egg beater troubleshooting.

Flow

Loading...
10

History and honest limits

**J. J. Parker** of Marietta, Ohio, received US 25,038, dated 9 August 1859. His smaller machine's tube is one and a half inches across and one and five eighths deep; the crank shaft is No. 7 wire with a seven-eighths-inch crank; the piston is two oval pieces of thin metal with leather between, its edges forced out by pressing them together. It may also be worked by a handle on the rod instead of a crank. **Honest limits.** FDM prints hold food in their layer lines, so wash well and replace when worn. Printed PETG stands in for tin. The notebook treats the flow as steady. Your times are the result.

Materiali

10

Strumenti richiesti

11

Questo progetto realizza

Thumbnail
Segnaposto

Frullino a manovella

Free

7
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Blueprint correlati

Questi blueprint condividono conoscenze — tecniche, materiali o principi

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CC0 Pubblico dominio

Questo progetto è rilasciato sotto CC0. Sei libero di copiare, modificare, distribuire e utilizzare quest'opera per qualsiasi scopo, senza chiedere permesso.

Supporta il Maker acquistando prodotti tramite il suo progetto dove guadagna una Commissione Maker stabilita dai venditori, oppure crea una nuova iterazione di questo progetto e includilo come collegamento nel tuo progetto per condividere i ricavi.

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