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EZOKUZIJABULISA
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REVERSE ENGINEERING
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The Tube-in-the-Back Fountain Brush: Turn the Tube and the Jets Become a Soak
Annie B. Landreth, Bristol, Pennsylvania · Public domain (expired patent)
YourGrandma

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YourGrandma

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The Tube-in-the-Back Fountain Brush: Turn the Tube and the Jets Become a Soak

A scrubbing brush dipped in a bucket runs dry in seconds, and a hose beside it floods the floor. Annie B. Landreth of Bristol, Pennsylvania, received US 757,628, dated 19 April 1904, for a fountain brush "of great simplicity of construction": a recess bored lengthwise into an ordinary brush's back with openings to its face, and a perforated tube on a cock that slides in; a square plate on the tube sits in a square depression, so the holes can face the openings or be turned a quarter turn against the recess walls. This rung compares the jet with the turned-away flow, then bores a scrub brush, fits a tube and tap, and measures both settings.
Ophakathi
About 3 hours

Imiyalelo

1

Jet against soak

Ilayisha incwadi ye-Jupyter…
2

A scrubbing brush improved before it

The embedded blueprint holds two brush heads on a sprung holder. Landreth leaves the brush ordinary and feeds water through a bore in its back.
3

Read US 757,628

"Thus the perforations may register with the openings a² a², as indicated in Fig. 5, or the fountain-tube may be turned to an angle of ninety degrees, so that the perforations C' face the lateral sides of the recess A', as indicated in Fig. 6, and in this way the force due to the pressure of the water-supply is broken and the water will pass out of the openings without force."
4

Bore the back

Clamp a scrub brush with a back at least 22 mm thick, bristles down. Drill a 12 mm hole 160 mm deep along the back's centre from one end, keeping the bit level.

Izinto zokwakha zalesi sinyathelo:

Ibhulashi lokuhlikihlaIbhulashi lokuhlikihla1 ucezu

Amathuluzi adingekayo:

Isibambo SebhentshiIsibambo Sebhentshi
Ibhola ElingenantamboIbhola Elingenantambo
Isethi yemimu yokubhoboza enechashaza eliphakathiIsethi yemimu yokubhoboza enechashaza eliphakathi
IrulaIrula
Izibuko Zokuphepha EzicwathileIzibuko Zokuphepha Ezicwathile
5

Drill the openings

From the bristle face, between rows, drill seven 3 mm holes into the bore, 20 mm apart.

Amathuluzi adingekayo:

Ibhola ElingenantamboIbhola Elingenantambo
Iqoqo Lamakhanda EbholaIqoqo Lamakhanda Ebhola
Ipeni ElingesulekiyoIpeni Elingesulekiyo
6

Cut the square depression

Round the bore's mouth, chisel a 30 mm square 2 mm deep.

Amathuluzi adingekayo:

Isethi yezisebenzi zokhuniIsethi yezisebenzi zokhuni
IsandoIsando
IrulaIrula
7

Make the tube

Cut 160 mm of 10 mm copper tube. Squeeze one end shut in the vice and solder it. Drill seven 1.8 mm holes in a line to match the openings.

Izinto zokwakha zalesi sinyathelo:

Ishubhu lethusiIshubhu lethusi1 ucezu
I-solder yamapayipi engenamthofuI-solder yamapayipi engenamthofu1 ucezu

Amathuluzi adingekayo:

Isisiki sepayipiIsisiki sepayipi
Isibambo SebhentshiIsibambo Sebhentshi
Isibani Se-propaneIsibani Se-propane
Ibhola ElingenantamboIbhola Elingenantambo
Iqoqo Lamakhanda EbholaIqoqo Lamakhanda Ebhola
Amagilavu Amelana NokushisaAmagilavu Amelana Nokushisa
I-flux yamabhobhoI-flux yamabhobho
8

Solder on the square plate

Cut a 28 mm square of brass sheet, drill it 10 mm in the centre, slide it on 160 mm from the closed end with one edge square to the holes, and solder it.

Izinto zokwakha zalesi sinyathelo:

Ishidi Lethusi EliphuziIshidi Lethusi Eliphuzi1 ucezu
I-solder yamapayipi engenamthofuI-solder yamapayipi engenamthofu1 ucezu

Amathuluzi adingekayo:

Isikeli sensimbiIsikeli sensimbi
Ibhola ElingenantamboIbhola Elingenantambo
Iqoqo Lamakhanda EbholaIqoqo Lamakhanda Ebhola
Isibani Se-propaneIsibani Se-propane
Amagilavu Amelana NokushisaAmagilavu Amelana Nokushisa
I-flux yamabhobhoI-flux yamabhobho
9

Fit the tap and button

Fit the ball valve and a hose connector to the open end with brass fittings and PTFE tape. Screw a 10 × 40 mm brass strip beside the depression as a turn-button.

Izinto zokwakha zalesi sinyathelo:

Ivalvu eyibholaIvalvu eyibhola1 ucezu
Izixhumanisi zethusiIzixhumanisi zethusi1 ucezu
Itheyiphu ye-PTFE yokuvala izintamboItheyiphu ye-PTFE yokuvala izintambo1 ucezu
Ishidi Lethusi EliphuziIshidi Lethusi Eliphuzi1 ucezu
Isikulufo sokhuni #8 x 1"Isikulufo sokhuni #8 x 1"1 ucezu

Amathuluzi adingekayo:

Isipanela esilungisekayoIsipanela esilungisekayo
Isethi yezikulufudrayivaIsethi yezikulufudrayiva
10

The build in 3D

FreeCAD model of this build, not of the patent: a 200 × 60 × 26 mm back with a 12 mm bore 160 mm deep, seven 3 mm openings, a 30 mm square depression, the perforated tube with its square plate, valve and turn-button.
Ifayela LomklamoBLENDCC0 - Free
Landa imodeli
11

Compare the two settings

Connect the garden hose. With the holes facing the openings, hold the brush face-up and measure how high the jets rise; time a litre into the jug. Turn the tube 90°, lock it, and repeat.
Isinyathelo 11 - Image 1

Izinto zokwakha zalesi sinyathelo:

AmanziAmanzi1 ucezu

Amathuluzi adingekayo:

IrulaIrula
Ujeke wokukalaUjeke wokukala
Iwashi Lokumisa IsikhathiIwashi Lokumisa Isikhathi
Ipayipi lengadiIpayipi lengadi
12

A brush that sprays, leaks or will not lock

Tube-in-the-back fountain brush troubleshooting.

Flow

Loading...
13

History and honest limits

**Annie B. Landreth** of Bristol, Pennsylvania, filed US 757,628 on 1 April 1902; it is dated 19 April 1904. The nozzle carries a cock and the usual hose coupling; the square plate and depression may be any shape that holds the tube at the chosen angle, and a turn-button holds it in use. The attachment can be inserted and withdrawn instantly, leaving the sides and back free to hold the brush in the ordinary way. **Honest limits.** She gives no sizes; ours are examples. The notebook ignores the loss in the bore. Your jet heights and times are the result.

Izinto

9

Amathuluzi Adingekayo

19

Amafayela omklamo

1

Ama-blueprint ahlobene

Lama-blueprint abelana ngolwazi — amasu, izinto noma izimiso

The Twin Scrubbing Brush: Two Heads on a Sprung Holder

The Twin Scrubbing Brush: Two Heads on a Sprung Holder

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The Self-Soaping Shaving Brush: A Soap Stick Inside the Bristles

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The Hose and Its Clip: Why It Was Tight When You Fitted It

The Hose and Its Clip: Why It Was Tight When You Fitted It

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CC0 Isizinda Somphakathi

Le blueprint ikhishwe ngaphansi kwe-CC0. Ukhululekile ukukopisha, ukuguqula, ukusabalalisa, nokusebenzisa ngaphandle kwemvume.

Sekela uMenzi ngokuthenga imikhiqizo nge-Blueprint yabo IKhomishane Yomenzi kumiswe ngabathengisi, noma dala inguqulo entsha yale Blueprint bese uyifaka njengoxhumaniso ku-Blueprint yakho ukuze wabelane ngemali engenayo.

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