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Air Blow Gun: Press-Button Valve and Conical Air Shield
Harry A. Yates, Bridgeport, Conn. · Public domain (expired patent)
Martin

Imeundwa na

Martin

23. Oktoba 2026NO
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Air Blow Gun: Press-Button Valve and Conical Air Shield

Harry Yates's air gun (US 2,604,361, 1952) for blowing chips off lathes and drills. A press-button valve is held shut by the line pressure itself; pressed, it lets air into a ribbed nozzle that splits it into a central jet and a cone of air from a ring slot, which keeps flying chips away from the worker's eyes. The rubber valve face comes out by unscrewing one cap. The patent gives no materials (except the rubber face), threads or sizes; the machine tools named are ours. The picture: the patent's drawing.
Juu
1 day

Maagizo

1

Bore the body

Bore the body's vertical opening: stem bearing (13), wider air passage (14), wider chamber (15) threaded at the bottom (16), with a valve seat rib (17) undercut round its edge. Ours: lathe and boring bar, tap for the thread.

Vifaa kwa hatua hii:

Kiwiliwili cha bunduki ya kupuliza hewaKiwiliwili cha bunduki ya kupuliza hewa1 kipande

Zana zinazohitajika:

Kereza ya ChumaKereza ya Chuma
Fimbo ya kukata ndaniFimbo ya kukata ndani
Seti ya kukata nyuzi za skrubuSeti ya kukata nyuzi za skrubu
2

Bore the hose pocket so it breaks into the chamber

Bore and thread the hose pocket (19) so its edge cuts into the chamber, opening the port (20) and leaving a centre projection (21): an overhang that turns incoming air down into the chamber, away from the seat.

Zana zinazohitajika:

Kereza ya ChumaKereza ya Chuma
Fimbo ya kukata ndaniFimbo ya kukata ndani
Seti ya kukata nyuzi za skrubuSeti ya kukata nyuzi za skrubu
3

Bore the barrel

Bore the front barrel (11) to a cylindrical pocket (22) joined to the air passage by a tapered passage (23). Bevel the barrel's front end (44).

Zana zinazohitajika:

Kereza ya ChumaKereza ya Chuma
Fimbo ya kukata ndaniFimbo ya kukata ndani
4

Fit stem and press-button

Pass the valve stem (24) up through the body and press its stud (25) into the socket (27) of the press-button (28). The button slides in the bearing; the stem's flange (26) stops it coming out upward, the button head downward. Ours: arbor press.

Vifaa kwa hatua hii:

Fimbo ya valiFimbo ya vali1 kipande
Kitufe cha kubonyeza valiKitufe cha kubonyeza vali1 kipande

Zana zinazohitajika:

Kibonyezo cha mkonoKibonyezo cha mkono
5

Make the valve closure

Set the rubber valve face (36) in the recess (35) on top of the closure member (30) and press a flanged tubular eyelet (37) into its centre hole (38) to hold it.

Vifaa kwa hatua hii:

Kifungio cha valiKifungio cha vali1 kipande
Uso wa mpira wa valiUso wa mpira wa vali1 kipande
Kijishimo cha rivetiKijishimo cha riveti1 kipande

Zana zinazohitajika:

Kibonyezo cha mkonoKibonyezo cha mkono
6

Close the chamber

Slide the closure's stud (31) into the pocket (32) of the closure cap (33) and screw the cap into the chamber, a gasket (34) under its flange. The stem's pin (29) rests on the closure. Ours: flat screwdriver in the cap's slot.

Vifaa kwa hatua hii:

Kizibo cha kufungaKizibo cha kufunga1 kipande
Gasketi ya kuzibaGasketi ya kuziba1 kipande

Zana zinazohitajika:

Bisibisi bapaBisibisi bapa
7

Press in the nozzle

Force the nozzle's ribs (41) into the barrel pocket (22) until its inner end stops on the tapered passage (23). That stop fixes the ring slot (45) between the nozzle's cone shoulder (42) and the barrel bevel (44).

Vifaa kwa hatua hii:

Pua ya hewaPua ya hewa1 kipande

Zana zinazohitajika:

Kibonyezo cha mkonoKibonyezo cha mkono
8

Screw on the tip and the hose nipple

Screw the tip (49) into the nozzle's threaded pocket (48); its bore (50) is wider than the jet hole (47) so it does not touch the jet, and it can clamp an extension tube. Screw a hose nipple into the hose pocket (19).

Vifaa kwa hatua hii:

Ncha ya puaNcha ya pua1 kipande
Nipo yenye hesi ya bombaNipo yenye hesi ya bomba1 kipande

Zana zinazohitajika:

Spana inayoweza kurekebishwaSpana inayoweza kurekebishwa
9

Try the jet and the shield

Ours: connect an air hose from a compressor. The line pressure alone holds the valve shut. Press the button: a central jet leaves the jet hole, and a cone of air from the ring slot surrounds it.

Zana zinazohitajika:

Kibana hewaKibana hewa
Bomba la hewaBomba la hewa

Vifaa

11

Zana Zinazohitajika

8

Mchoro huu unatengeneza

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Blueprint zinazohusiana

Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni

Rubber Hose: Braided, Spirally Wrapped and Vulcanized in Long Lengths

Rubber Hose: Braided, Spirally Wrapped and Vulcanized in Long Lengths

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