Solder feeding soldering gun with temperature control

Claim 1

A one-hand soldering gun having temperature control means comprising a. a two-part hollow plastic casing including a butt portion; b. a barrel and a feed tube projecting forwardly from said casing; c. a heating element in the barrel; d. a replaceable soldering iron on the forward end of the barrel; e. means for feeding a soldering wire from a supply bobbin toward said soldering iron, said feeding means including a ratchet feed wheel rotatable on a pivot pin and arranged directly to contact and advance the soldering wire, a trigger having a longitudinally extending slot therein mounted on said pin, said ratchet wheel being located in said slot in said trigger, and a spring biased pawl mounted in said slot in said trigger for engaging said ratchet wheel; f. elements defining a slideway for the soldering wire; g. a pair of spaced slotted holders, a press-down spring detachably secured and extending between said slotted holders and pressing said soldering wire against the periphery of said feed wheel, and h. pins for the detachable affixation of terminals on a divided conductor plate supporting an electronic temperature control system contained inside the casing, said pivot pin, said elements defining the slideway, said slotted holders and said pins for the detachable affixation of the terminals on the divided conductor plate being formed integral with said one of the parts of the two-part plastic casing.