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The Finger-Valve Fountain Bath Brush: Press to Run, Let Go to Stop
A bath brush fed from a hose runs all the time, or needs a tap out of reach.
Daniel S. Koons and William F. Moughler of Chicago received US 634,527, dated 10 October 1899, for "a fountain bath-brush": a false back with a water passage, joined to the brush by a hollow screw whose perforated head lets the water out among the bristles, with a valve that a spring and the water pressure hold shut until a finger presses its stem, and a strap that holds the hand to the brush.
This rung works out the finger force, then builds the false back on a scrub brush with a tyre valve as the finger valve, and measures the force and the flow.
Intermedio
About 3 hours
Instrucciones
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1
Force to open the valve
Force to open the valve
Cargando el cuaderno de Jupyter…
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2
A brush that feeds itself before it
A brush that feeds itself before it
The embedded blueprint feeds soap from inside a shaving brush. Koons and Moughler feed water, and give the finger a valve to start and stop it.
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3
Read US 634,527
Read US 634,527
"Said valve is held normally closed by means of a spring 9 and also by the water-pressure, as will be obvious."
"A strap k is secured at the sides of said back B' and passes over the latter, so that by inserting the hand between said back B' and said strap k the brush can be firmly held and the fingers at the same time kept in position to operate the valve."
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4
Bore the false back
Bore the false back
Cut a hardwood block 120 × 50 × 22 mm. Drill a 6 mm passage 90 mm along its centre from one end, and a 6 mm hole down from the top to meet it 30 mm from the far end.
Materiales para este paso:
Bloque de madera dura1 piezaHerramientas necesarias:
Tornillo de banco
Taladro inalámbrico
Juego de brocas de punta de centrar
Regla
Gafas de seguridad transparentes5
5
Fit the finger valve
Fit the finger valve
Drill a hole across the passage 20 mm from the inlet to take a tyre valve, pin upward. Epoxy it in so the water must pass through it.
Materiales para este paso:
Válvula de neumático1 pieza
Epoxi de dos componentes1 piezaHerramientas necesarias:
Taladro inalámbrico
Juego de brocas6
6
Join it to the brush
Join it to the brush
Drill a 6 mm hole through the scrub brush's back to line up with the outlet. Cut a rubber gasket, and screw the block on with four wood screws.
Materiales para este paso:
Cepillo de fregar1 pieza
Plancha de caucho1 pieza
Tornillo para madera n.º 8 x 1"1 piezaHerramientas necesarias:
Taladro inalámbricoJuego de brocas
Cúter de precisión
Juego de destornilladores7
7
Strap and hose
Strap and hose
Screw a strip of rubber sheet across the block as a hand strap, over the valve's side. Fit a hose connector to the inlet with brass fittings and PTFE tape.
Materiales para este paso:
Plancha de caucho1 piezaTornillo para madera n.º 8 x 1"1 pieza
Accesorios de latón1 pieza
Cinta de PTFE para roscas1 piezaHerramientas necesarias:
Juego de destornilladores
Llave inglesa ajustable8
8
The patent drawing
The patent drawing
US 634,527 drawing sheet, public domain (expired patent).
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9
Measure force and flow
Measure force and flow
Connect the garden hose and turn on the tap. Press the valve pin with the force meter's hook until water runs; note the force. Hold it open over the jug for 30 s and read the flow.
Materiales para este paso:
Agua1 piezaHerramientas necesarias:
Dinamómetro (balanza de resorte)
Jarra medidora
Cronómetro
Manguera de jardín10
10
A valve that drips, sticks or barely flows
A valve that drips, sticks or barely flows
Finger-valve bath brush troubleshooting.
Flow
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11
History and honest limits
History and honest limits
**Daniel S. Koons** and **William F. Moughler** of Chicago filed US 634,527 on 21 September 1898; it is dated 10 October 1899. They called it a self-cleansing brush. Its handle is telescopic, with a stuffing-box between the two members, and the hose can be led through it to the brush; a second form uses a nozzle as the screw joining the backs. They did not limit it to the bath.
**Honest limits.** A tyre valve stands in for their seated valve and stem, and wood screws for their hollow screw. Your forces and flows are the result.
Materiales
9- 1 piezaMarcador de posición
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- 2 piezasMarcador de posición
- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
Herramientas requeridas
13- Marcador de posición
- 1 vendor sell this, none ship to you yetMarcador de posición
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- Manguera de jardín10% de comisiónMarcador de posición
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