KUNST
SCHÖNHEIT & WELLNESS
HANDWERK
KULTUR & GESCHICHTE
UNTERHALTUNG
UMFELD
ESSEN & GETRÄNKE
REVERSE ENGINEERING
WISSENSCHAFTEN
SPORT
TECHNOLOGIE
WEARABLES
The Long-Handled Fountain Brush: A Ring of Holes Wets the Bristles From the Ground
Washing an upper window or a railway car means a ladder, a bucket and a brush that dries out.
George D. Membery of Hamilton, Ontario, received US 714,814, dated 2 December 1902, for a fountain brush "with handle adapted for the outside of windows, railway-cars, buggies, and the like": a circular brush fixed to a perforated circular tube, set oblique on a nozzle at the top of a hollow handle fed by a hose, with one tap for the ring and one for the nozzle's end.
This rung works out how much pressure the handle's height costs, then bends a copper ring, fixes a brush to it on a copper handle and measures the flow at the bristles.
Fortgeschritten
About 4 hours
Anweisungen
1
1
Pressure lost up the handle
Pressure lost up the handle
Jupyter-Notebook wird geladen …
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2
Water through a ring of holes before it
Water through a ring of holes before it
The embedded blueprint sprinkles through a perforated rose. Membery bends the perforations into a ring behind a brush and feeds it up a hollow handle.
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3
Read US 714,814
Read US 714,814
"The brush is preferably in oblique position to the handle H in order to allow the operator to stand a desirable distance from the object being washed and sprayed. The length of the handle H may be from six to twelve feet, more or less, as desired to suit the purpose set forth."
"The water flows through the hose J, thence through the handle H and into the nozzle E, thence through the pipe connection F and into the circular tube C and out through the apertures 2 of the tube C, and thence on and between the hairs of the brush A, thus saturating the brush with water, which is regulated by means of the tap 5."
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4
Bend the ring
Bend the ring
Uncoil 500 mm of soft copper tubing and bend it by hand round a 140 mm paint tin into a ring, the two ends side by side. Cut them square with the tube cutter.
Materialien für diesen Schritt:
Kupferrohr1 StückBenötigte Werkzeuge:
Rohrabschneider
Bandmaß (Rollmeter)5
5
Drill the ring
Drill the ring
Mark 12 points evenly round the ring's front and drill each 1.5 mm. Deburr inside with a blown-through rinse.
Benötigte Werkzeuge:
Permanentmarker
Akkubohrschrauber
Bohrersatz
Klare Schutzbrille6
6
Join the ring to the feed
Join the ring to the feed
Push both ring ends into a tee from the brass fittings and tighten. Fit 60 mm of 10 mm copper tube in the tee's third port and bend it 60° so the ring sits oblique to the handle.
Materialien für diesen Schritt:
Messingfittings1 StückKupferrohr1 StückBenötigte Werkzeuge:
RollgabelschlüsselRohrabschneider7
7
Tie on the brush
Tie on the brush
Lay the scrub brush's back across the ring, bristles away, and bind it on with four cable ties.
Materialien für diesen Schritt:
Scheuerbürste1 Stück
Kabelbinder1 Stück8
8
Fit the handle and tap
Fit the handle and tap
Cut 1.8 m of 15 mm copper tube for the handle. Join the feed to its top through a reducer and the ball valve, and fit a hose connector at its foot. Seal threads with PTFE tape.
Materialien für diesen Schritt:
Kupferrohr1 Stück
Kugelhahn1 StückMessingfittings1 Stück
PTFE-Gewindedichtband1 StückBenötigte Werkzeuge:
RohrabschneiderRollgabelschlüssel9
9
The build in 3D
The build in 3D
FreeCAD model of this build, not of the patent: a 140 mm ring of 10 mm tube with 12 holes of 1.5 mm, a tee and 60° feed, a 150 × 50 mm brush, and a 15 mm handle shown 450 mm long with its ball valve.
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10
Measure the flow
Measure the flow
Connect the garden hose and open the ball valve fully. Hold the brush over the jug for 30 s and read the litres; repeat with the handle held upright and with it level, and compare.
Materialien für diesen Schritt:
Wasser1 StückBenötigte Werkzeuge:
Messkanne
Stoppuhr
Gartenschlauch11
11
A brush that drips, leaks or stays dry
A brush that drips, leaks or stays dry
Long-handled fountain brush troubleshooting.
Flow
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12
History and honest limits
History and honest limits
**George D. Membery** of Hamilton, Ontario, filed US 714,814 on 25 April 1902; it is dated 2 December 1902. The brush's base is held to the tube by bands screwed to its rear side. The nozzle has its own tap 4, so water may also leave the nozzle's end; either tap may be opened or closed alone.
**Honest limits.** Our build has no separate nozzle and uses a rectangular scrub brush where his is circular. The notebook ignores friction in the hose and handle. Your measured flows are the result.
Materialien
7- 1 StückPlatzhalter
- 1 StückPlatzhalter
- 1 StückPlatzhalter
- 1 StückPlatzhalter
- 1 StückPlatzhalter
- 1 StückPlatzhalter
- 1 StückPlatzhalter
Benötigte Werkzeuge
10- Platzhalter
- 1 vendor sell this, none ship to you yetPlatzhalter
- Platzhalter
- 1 vendor sell this, none ship to you yetPlatzhalter
- Platzhalter
- Platzhalter
- Platzhalter
- Platzhalter
- Platzhalter
- Gartenschlauch10% ProvisionPlatzhalter
Designdateien
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