US2023327A - Electric flatiron - Google Patents

Description

Dec. 3, 1935. M. E. KoRNE Er AL 2,023,327

ELECTRIC FLATIRON Filed DSC. l0, 1934 INVENTOR WITNESS:

ATTORNEY Patented Dec. 3, 1935 UNITED STATES PlrrEN'r-g OFFICE ELECTRIC FLATIBON Matt E. Korne and Frank J. Jovick, Butte, Mont.;

said Korne assignor to said Jovick at the heel end of the iron the switch will automatically close the circuit to the heating element of said iron for the heating thereof.

Another object of the invention is the provision of a device of this character, wherein they switch, when the iron is in working position for ironing purposes, can be manually controlled for the closing of the circuit to the heating element or the opening of such circuit and lthus such iron will be under directcontrol of the user, yet should the iron be brought to restv in working position, and the user being not in attendance, the circuit to the heating element of Said iron will be opened and 4thus avoiding heating or overheating thereof and the resultant burning of the work if the iron is at rest thereon.

A further object of the invention is the provision of a safety device of this character, which is simple in construction, thoroughly reliable and ecient in its operation, easy of access for manipulation, strong, durable, positive in its automatic working, and inexpensive to manufacture and install.

With these and other objects in view, the invention consists in the features of construction, combination and arrangement of parts as will be hereinafter more fully described in detail, illustrated in the accompanying drawing, which discloses the preferred embodiment of the invention, and pointed out in the claim hereunto appended.

In the accompanying drawing:

Figure 1 is a side elevation of an electric iron, the same being partly in section and showing the safety device constructed in accordance with the invention applied thereto.

Figure 2 is a view similar to Figure 1 showing the iron upset or tilted at its heel end to be at rest, with the safety device automatically thrown for the heating of the said iron.

Figure 3 is a fragmentary horizontal sectional view showing in detail the connections with the electric heating element of the iron.

Similar reference characters indicate corresponding parts throughout the several views in the drawing.

Referring to the drawing in detail, A designates generally an electric flatiron, this being of any conventional or common type and hav- 5 ing in the iron proper an electric heating element B, the wires 5 and 6 of its electric circuit being joined with terminal posts 1, these being located within a plug socket shell 8 made secure to the iron. The wires 5 and 6 of the circuit of the 10 heating element B are trained upwardly into the grip part 9 of a handle II) carried by said iron and their ends are joined within this grip with vspring contacts II for an opening and closing switch arm I2 swingingly supported at one end l5 by a pivot I 3, the other end being suitably weighted so that when the iron is tilted at its heel end to be disposed angularly oi of the perpendicular the said arm I2, by gravity, will move to circuit closing position by contact with the spring con- 20 tacts II in the grip 9 of the handle I0, this being apparent from Figure 2 of the drawing.

Engageable with the terminal posts 1 is the usual separable connector plug I4 of a current supply lead I5 and thus when the connector I4 25 is engaged with the terminal posts 1 in the arm I2 in circuit closing position, the electric heating unit B will operate for the heating of the iron A on the iron being upset at the heel end and at rest in this position. When the iron is 30 lowered intof ironing position, as shown in Figure 1 of the drawing, the switch arm I2, by gravity, will move out of contact with the spring contacts II and thus the circuit to the electric heating element B will be opened so that there 35 is no liability of the iron being further heated or becoming overheated with resultant damage to work upon which the iron may be resting.

The switch I2 is formed with a nger grip I6 which is exposed through an opening I1 in the 40 underside of the grip 9 of the handle I0, so that when the iron is in ironing position the user of the iron, by engaging the finger of the hand with the nger grip or hold I6, may manually move the arm I2 to circuit closing position for 45 the heating of the iron by the electric heating element or unit B therein. When the nger pressure is released the arm I2, by gravity, swings to circuit opening position.

The circuit wires 5 and 6 of the heating ele- 50 ment or unit B include the connections I 8 and I9, respectively, and hanger mountings therefor interiorly of the iron.

The iron A at its heel end carries a rest bracket 20, while the socket shell 8 has the heel rest ex- 55 tension 2 I, so that the iron can be supported when upset at the heel end thereof, as is shown in Figure 2 of the drawing, and thus while the iron is being heated 'by the element or unit B there is n'o liability of damage to the point ot rest of the iron when in this upset position.

When the plug I4 has been separated from the posts 'I it is, of course, apparent that vcurrent to the heating element or unit B is shut oil!" and then the iron can be either brought to rest in a horizontal plane orin the upset position, as shown in Figures 1 and 2 ofthe drawing, as the heating element or unit 'B is inactive.

The switch arm I2 in the mounting thereof in the grip '9 of the handle fI0 functions-as a trigger switch when the iron is in ironing position and as agravity switch whenthe said iro'n is upset at the heel end thereof.

By reason of the disposition or the rest extension 2I with relation to the rest bracket 20 the plug Il can be readily separated from the terminal posts 1 when the ironis in upset position sulated material, as i'or example, wood, hard rubber or the like.

a metal switch arm having one end pivotally 15 mounted in the recess and its free end weighted and provided with an insulating nger piece which gravitates through the opening in the hand grip to bring the switch away from the contacts and break the circuit when the body is in iron- 2o ing position and which switch will swing by gravity against the contacts and .close said cir- -cuit when the said body is tilted to one side of the perpendicular.

MATT E. `KORNE. 25 FRANK J. JOVIYCK.

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