US2380138A - Solderer or lead tool - Google Patents

Description

July 10, 1945. H. ABRAMSQN 2,380,138

SOLDERER OR LEAD TOOL vFiled July 22, 1943 zr/y jra ms on,

Patented July 10, 1945 l UNITED STATES PATENT OFFICE somnltltlt olt'LllAn 'rooL Harry Abramson, Ventnor, N. J. Application July z2, 1943, seriolNo. 495,156 1 claim. (ci. 21o- 27) This invention relates to a solderer or lead tool cilitate the assembly of the tubular chamber 1,

especially adapted for safely converting such maelectrical heating unit I and the insulation Il, terials into liquid form and for the .dispensing as well as any other of the internal parts of the thereof as need therefor occurs. device. As such sectional provision for the hous- The primary object of the invention is the ing 5, in itself, is not a part or the presentl in-v provision of a device of the stated character vention, the same is not illustrated'in detail in which is simple to operate and convenient to the drawing. handle and which will permit a .person through The electric leads extend from the chamber the use of one hand to easily and quickly dis- Il in the form of an extension cord having en pense the liquefied lead or solder in desired l0 electric tting I6 to permit its connection and amounts while the other hand may be employed disconnection to an electric outpu i for other work. A trigger I1 is pivoted to the andle I5 and With these and other objects in view as will is spring influenced, as shownat I8, The trigger become more apparent as the description proconnects with the switch for the operation thereceeds, the invention consists in certain novel l5 of and when it is desired to complete the elecfeatures of construction, combination and artric circuit tothe electric heating unitlll the rangement of parts as willbe hereinafter more trigger I1 issqueezed and aS S0011 as released the fully described and claimed. spring I8 returns the triggen to its initial posi- For a complete understanding of my invention, tion to permit the switch to Open end breek the reference is to be had to the following descripcircuit.

tien and accompanying drawing, in which A nozzle I9 threads onto the neck or tting l The figure is a side elevation, partly in secand is provided with apassageway 20 connecting tion, illustrating a solder or lead tool constructed with the chamber 1. The PeSSEeway 2U iS Iein accordance with my invention. duced in diameter towards its outer end and ex- Referring in detailto the drawing, the numeral tends through the free end of the nozzle, and 5 indicatesen elongated housing which has one mounted in the passageway adiaeent the free end closed and its opposite end reduced to form end of the nozzle is a valve seat 2l encased by an attaching neck 6 both externally and intera valve element 22 that includes an extension 23 nelly screw threaded. A tubular chamber 1 has protruding a limited distance beyond the freeend one end threaded in lthe neck and extends well of the nozzle. The valve element is held in a -into the housing toward the closed endthereof. Seated position by a spline 24 of the coil type one end of the tubular chamber is closed and is hearing against the valve element and against a provided adjacent scid closed end with e filling fsplder 26 threaded in the no2-21e or the passee port controlled by a door 8 provided in one side theleOfl of the housing. The door is of the hinged type 3;, The extension 23 protruding bevond the free and held in a closed position by a latch 9, lpref- 'f end 0f the nozzle' may be bI'OuEht intO engngeerably of the pivoted type. The space between ment with an object for the DillPOSe 0f llneetthe tubular chamber 1 and the housing accom-i. ing the valve.

modates an electric heating unit I0 or a conven- In Operation. lead or solder is arranged Within f tional construction suitably insulated from the 40 the Chmbel 1 by being placed therein When the housing aswell as the tubular chamber, as shown door is in an open position. after which the door is ynt Il. The electric leads lzof the electric heatobviously closed leak-tight. The switch is then ing unit have connected therein a standard type i Closed by squeezing the trigger l1 energizing the control switch I3 located within a chamber Il' electric unit i0 So that the heet therefrom will formed'in a handleextension I5 of the housing, 45 melt the solder or lead reducing it into. liquid The handle extension ls formed on one side of. form The operator may then dispense the noue-- the housing close to the closed end thereof and 4lieti lead or solder through the nozzle onto orisin the form ofapistolgrm in an object by pressing. the extension 23 While the housing 5 with its angular handle a einst the object, thus permitting the person to extension I5 may be in the general form shown 5o ntrol the amount of liqueed solder or lead and in a substantially integral structure,` it is. SllenSed and also permit the persen t0 direct. obvious that the housing portion proper 5 may be the liquefied solder or lead onto or into an obieet divided in any suitable manner either crosswise Without spilling 0r waste. This device bcint eleeor longitudinally or in segmental sections wheretrically heated and suitably insulated will reduce by one or more sections Amay be detached to fafire hazards'to a minimum and allow the dis-` by releasing the grip on the trigger I1, the device will begin to cool and when cold the lead or solder becomes solidified and remains in that condition until the tool is again placed in use or the circuit to the electric unit is again closed.

While I have shown and described the preferred embodiment of my invention, it will be understood that minor changes in construction, combination and arrangement of Darts may be made without departing from the spirit and scope of the invention as claimed.

Having thus described my invention, what I claim ist In a tool of the character described, a handled enclosure shell or housing having i/ts end portion remote from its handled portionropen and reduced to form a cylindrical neck )which is externally screw-threaded, an axial tubular solder or lead-containing and melting chamber having its open end portion tted and supported leak-tight within said neck portion of the outer shell or housing, said tubular chamber extending with its closed opposite end portion substantially rearward in said shell or housing, an electrical heating element surrounding said tubular chamber within the shell or housing and electrically lnsulated from both the tubular chamber and the shell or housing but with heating effect on said chamber, and a detachable dispensing nozzle for liquid solder or lead having an enlarged open end portion internally screw-threaded to fit the external screw threads on said neck portion of the shell or housing and provided with a tapered longitudinal chamber communicable at its larger end with said solder or lead containing and melting chamber, said nozzle having a substantially reduced tapered tip extension having a restricted bore therethrough communicating at its inner end with said tapered chamber of the nozzle, and a spring-urged normally closed but inwardly opening valve in the outer end portion of said nozzle tip, said valve having an axial stem projected outwardly beyond the end of the tip extension of the nozzle.

HARRY ABRAMSON.

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