# US 2018/0021876 A1 · Battery-powered welder and method of use > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0021876 A1 - Document ID: US20180021876A1 - Status: Published application - Kind: A1 - Application number: 15/657,644 - Filed: 2017-07-24 - Published: 2018-01-25 - Earliest claimed: 2016-07-25 - Inventors: Morgan Jay Ellis - Web page: https://patentgrep.com/patent/US20180021876A1 ## CPC - B23K 9/164: {making use of a moving fluid} - B23K 9/1081: {Arc welding by means of accumulated energy} - B23K 9/124: {Circuits or methods for feeding welding wire} - B23K 9/173: and of a consumable electrode - B23K 9/295: {using consumable wire electrodes} - B23K 9/32: Accessories - B23K: SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM ## Abstract A battery-powered welder with a plurality of quick-connect modular components includes a power source component; a neck assembly component to create an electric arc between an electrode wire and workpiece metal, causing the electrode wire and workpiece metal to melt and join; an electrode spool component including an electrode wire spool reel housing and spool to carry the electrode wire; a wire feed component including a motor to feed the electrode wire from electrode spool component into the neck assembly component; a handle component for holding and operating the battery-powered welder during use; a flexible cable to provide remote attachment of various components to avoid additional hand held weight; a power source component to power the battery-powered welder, wherein the power source component, the neck assembly component, the electrode spool component, the wire feed component, the handle component, the flexible cable, and the power source component include quick connects to allow seamless, simplistic interchange and reconfiguration of the battery-powered welder. ## Claims ### Claim 1 A battery-powered welder with a plurality of quick-connect modular components, comprising: a power source component; a neck assembly component to create an electric arc between an electrode wire and workpiece metal, causing the electrode wire and workpiece metal to melt and join; an electrode spool component including an electrode wire spool reel housing and spool to carry the electrode wire; a wire feed component including a motor to feed the electrode wire from electrode spool component into the neck assembly component; a handle component for holding and operating the battery-powered welder during use; a flexible cable to provide remote attachment of various components to avoid additional hand held weight; a power source component to power the battery-powered welder, wherein the power source component, the neck assembly component, the electrode spool component, the wire feed component, the handle component, the flexible cable, and the power source component include quick connects to allow seamless, simplistic interchange and reconfiguration of the battery-powered welder. ### Claim 2 (depends on 1) The battery-powered welder of claim 1, wherein the neck assembly component includes a nozzle, a cable liner, and a neck including a contact tip and configured to disperse gas at the contact tip, the cable liner guiding the electrode wire freely through the neck assembly component and protecting it from current. ### Claim 3 (depends on 1) The battery-powered welder of claim 1, wherein the electrode spool component is a welding wire and flux core wire spool reel housing, and includes a wire guide to guide the electrode wire from the spool through the quick connect of the electrode spool component. ### Claim 4 (depends on 1) The battery-powered welder of claim 1, wherein the motor is a variable speed motor 230, and the wire feed component includes a cable liner and a drive roller with two rollers that pinch the electrode wire there between to provide positive traction to pull the electrode wire, the cable liner guides the electrode wire freely through the wire feed component, the variable speed drive motor turns the drive rollers that feed the electrode wire. ### Claim 5 (depends on 1) The battery-powered welder of claim 1, wherein the handle component is also a main electronics and trigger compartment including a trigger, a cable liner, and electronics, the trigger is a switch that sends power to the motor to feed the electrode wire through the neck assembly from the spool, the cable liner guides the electrode wire freely through the handle component, the electronics configured to control at least power on/off, speed controller, ground clamp, polarity switch, and safety cutoff. ### Claim 6 (depends on 1) The battery-powered welder of claim 1, wherein the flexible cable is a flexible power, gas, and electrode adapter cable to provide remote attachment of various components to avoid additional hand held weight, the flexible cable includes a cable liner that guides the electrode wire freely through the flexible cable. ### Claim 7 (depends on 1) The battery-powered welder of claim 1, wherein the power source component includes a dc voltage li-ion rechargeable battery, and a cable liner that guides the electrode wire freely through the power supply. ### Claim 8 (depends on 1) The battery-powered welder of claim 1, wherein the quick connects are rotational twist-lock mating connectors to allow seamless, simplistic interchange and reconfiguration of the complete assembly. ### Claim 9 (depends on 1) The battery-powered welder of claim 1, wherein one or more of the quick connects include an electronic connector, a liner connector, a current connector, and a gas connector. ### Claim 10 (depends on 9) The battery-powered welder of claim 9, wherein the electronic connector is a contact connection. ### Claim 11 (depends on 9) The battery-powered welder of claim 9, wherein the liner connector connects the cable liner into alignment for smooth transition of electrode wire through the components. ### Claim 12 (depends on 9) The battery-powered welder of claim 9, wherein the current connector connects current conducting cables together in straight or reverse polarity. ### Claim 13 (depends on 9) The battery-powered welder of claim 9, wherein the gas connector connects pressurized shielding gas hoses together without gas leakage. ### Claim 14 (depends on 1) The battery-powered welder of claim 1, further including a shielding gas tank component that shields the welding process from contaminants in the air, reducing splatter, the shielding gas tank component includes a quick connect.