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INDOSSABILI
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.
Intermedio
About 3 hours
Istruzioni
1
1
Jet against soak
Jet against soak
Caricamento del notebook Jupyter…
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2
A scrubbing brush improved before it
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.
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Read US 757,628
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."
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4
Bore the back
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.
Materiali per questo passaggio:
Spazzolone1 pezzoStrumenti necessari:
Morsa da banco
Trapano a batteria
Set di punte a centro
Righello
Occhiali di sicurezza trasparenti5
5
Drill the openings
Drill the openings
From the bristle face, between rows, drill seven 3 mm holes into the bore, 20 mm apart.
Strumenti necessari:
Trapano a batteria
Serie di punte da trapano
Pennarello indelebile6
6
Cut the square depression
Cut the square depression
Round the bore's mouth, chisel a 30 mm square 2 mm deep.
Strumenti necessari:
Serie di scalpelli da legno
MartelloRighello7
7
Make the tube
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.
Materiali per questo passaggio:
Tubo di rame1 pezzo
Stagno da idraulica senza piombo1 pezzoStrumenti necessari:
TagliatubiMorsa da banco
Cannello a propanoTrapano a batteriaSerie di punte da trapano
Guanti resistenti al calore
Disossidante da idraulico8
8
Solder on the square plate
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.
Materiali per questo passaggio:
Lamiera di ottone1 pezzoStagno da idraulica senza piombo1 pezzoStrumenti necessari:
Cesoie da lattoniereTrapano a batteriaSerie di punte da trapanoCannello a propanoGuanti resistenti al caloreDisossidante da idraulico9
9
Fit the tap and button
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.
Materiali per questo passaggio:
Valvola a sfera1 pezzo
Raccordi in ottone1 pezzo
Nastro di PTFE per filetti1 pezzoLamiera di ottone1 pezzo
Vite da legno #8 x 1"1 pezzoStrumenti necessari:
Chiave regolabile a rullino
Set di cacciaviti10
10
The build in 3D
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.
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11
Compare the two settings
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.
Materiali per questo passaggio:
Acqua1 pezzoStrumenti necessari:
Righello
Brocca graduata
Cronometro
Tubo da giardino12
12
A brush that sprays, leaks or will not lock
A brush that sprays, leaks or will not lock
Tube-in-the-back fountain brush troubleshooting.
Flow
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13
History and honest limits
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.
Materiali
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Strumenti richiesti
19- Segnaposto
- 1 vendor sell this, none ship to you yetSegnaposto
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- Tubo da giardino10% commissioneSegnaposto
File di progetto
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