US2099792A - Electric soldering iron - Google Patents

Description

Nov. 23, 1937. c. T. BEADLING I ELECTRIC SOLDERING IRON Filed Jan. 13, 1937 2 Sheets-Sheet l C. Zfiaaci ZZE Attorneys Nov. 23, 1937. C. T. BEADLING 2,099,792

ELECTRIC SOLDERING IRON Filed Jan. 13, 1957 2 Sheets-Sheet 2 A iiarneys Patented Nov. 23, 1937 UNITED STATES PATENT OFFICE ELECTRIC SOLDERING IRON Charles Thomas Beadling, Canonsburg, Pa. Application January 13, 1937, Serial No. 120,446

1 Claim. (Cl. 219-26) The present invention relates to new and uselar container 6 is an electric heating element 8 ful improvements in electric soldering irons and which is provided with rearwardly extending has for its primary object to provide, in a manleads 9. her as hereinafter set forth, a tool of this char- Threadedly mounted in the rear end portion of 5 acter embodying a novel construction, combinathe tubular container 6 is a plug I through which ticn and arrangement of parts through the methe leads 9 pass, as illustrated to advantage in dium of which the handle will be prevented from Fig. 6 of the drawings. The plug I0 is insulated, getting hot when the device is in use. as at I I. The reference numeral I2 designates Other objects of the invention are to provide a conductor wires which are connected to the leads 10 soldering iron of the aforementioned character 9 at the rear end of the plug I 0, as at I3. The 10 which will be comparatively simple in construcconductor wires I2 pass through the asbestos tion, strong, durable, highly efllcient and reliable Wool 5 in the perforated tube 2 and through the in use, compact, light in weight and which may bore 4 in the handle I for connection with a suitbe manufactured at low cost. able source of current through the medium of a All of the foregoing and still further objects conventional plug (not shown). 5 and advantages of the invention will become ap- In use, the plug I0 retains most of the heat parent from astudy of the following specification, from the element 8 in the tubular container 6, taken in connection with the accompanying preventing said heat from escaping at the rear drawings wherein like characters of reference end of said tubular container thereby promoting designate corresponding parts throughout the the efficiency of the tool. The heat insulating 20 several views, and wherein: material 5, such as asbestos wool, further pre- Figure 1 is a view principally in side elevation vents heat from the element 8 and the tubular of an electric soldering iron constructed in accontainer 6 from being transmitted to the handle cordance with the present invention, a. portion of I. Further, the circulation of air through the the handle being broken away in longitudinal perforations 3 and the medium 5 materially as- 25 section. sists in maintaining the handle I in a cool con- Figure 2 is a view in vertical longitudinal secdition. It will be observed that the tubular eletion through the tool, a portion only of the ment container 6 is internally and. externally handle being shown. threaded on its rear end portion for engagement Figure 3 is a cross sectional view, taken subin the perforated tube 2 and to accommodate the 30 stantially on the line 33 of Fig. I. plug I0.

Figure 4 is a cross sectional view, taken sub- It is believed that the many advantages of an stantially on the line 44 of Fig. 1. electric soldering iron constructed in accordance Figure 5 is a detail view in elevation of the ML with the present invention will be readily underbular element container. stood and although a preferred embodiment of 35 Figure 6 is a detail view in vertical longitudithe tool is as illustrated and described, it is to nal section through the plug which is mounted'in be understood that changes in the details of conone end portion of the tubular element container. struction and in the combination and arrange- Referring now to the drawings in detail, it will ment of parts may be resorted to which will fall 0 be seen that the embodiment of the invention within the scope of the invention as claimed. 40

which has been illustrated comprises a handle I What is claimed is: of suitable material. Mounted in one end 'por- An electric soldering iron comprising a handle,

tion of the handle I and projecting longitudinally a perforated tube having one end mounted in one therefrom is a tube 2 of suitable metal having end of the handle, a tubular container having ventilating openings or perforations 3 therein. internal and external threads at one end thereof 45 The handle I is provided with a longitudinal bore and the outer end of the perforated tube being 4 which communicates with the perforated tube internally threaded to receive the external 2. The perforated tube 2 is substantially filled threads of said container, a plug in said end of with a suitable heat insulating material 5 such the container and engaging the internal threads,

as asbestos wool. The asbestos wool 5 is loosely a tip threaded to the outer end of the container, 50 packed to facilitate the circulation of air therean electric heating element in the container, through. leads connected with the element and passing Threadedly mounted in the forward end porthrough the plug, conductors connected with the tion of the perforated tube 2 is a tubular conleads and passing through the perforated tube tainer 6 of suitable metal. Threadedly mounted and the handle and heat insulating material in 55 on the forward end portion of the tubular conthe perforated tube. tainer 6 is a copper tip I. Mounted in the tubu- CHARLES THOMAS BEADLING.

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