# US 12,015,168 B2 · Electric terminals with concentric springs > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,168 B2 - Document ID: US12015168B2 - Status: Granted - Kind: B2 - Application number: 17/696,592 - Filed: 2022-03-16 - Published: 2022-09-22 - Granted: 2024-06-18 - Earliest claimed: 2021-03-17 - Assignees: Power.Global, Pbc - Applicants: Power.Global, Pbc - Inventors: W. Porter Harris - Web page: https://patentgrep.com/patent/US12015168B2 ## CPC - H01M 50/271: Lids or covers for the racks or secondary casings - H01M 10/613: Cooling or keeping cold - H01M 10/653: characterised by electrically insulating or thermally conductive materials - H01M 10/6551: Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings - H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552) - H01M 10/6557: arranged between the cells - H01M 50/213: adapted for cells having curved cross-section, e.g. round or elliptic (H01M50/209, H01M50/216 take precedence) - H01M 50/262: with fastening means, e.g. locks - H01M 50/296: characterised by terminals of battery packs (terminals of batteries H01M50/543) - H01M 50/394: {Gas-pervious parts or elements} - H01M 50/509: characterised by the type of connection, e.g. mixed connections - H01M 50/559: Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells (H01M50/553 takes precedence) - H01M 50/584: for preventing incorrect connections inside or outside the batteries - H01M 10/6563: with forced flow, e.g. by blowers - H01M 10/6567: Liquids - H01M 50/284: with incorporated circuit boards, e.g. printed circuit boards [PCB] - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A battery holder may include a negative electric terminal that includes a first coiled spring, a positive electric terminal that includes second coiled spring, and a pin that aligns mating of the negative connector and the positive connector. Other aspects are described and claimed. ## Claims ### Claim 1 A battery holder, comprising: a negative electric terminal that includes a first coiled spring; a positive electric terminal that includes a second coiled spring, wherein the first coiled spring and the second coiled spring are ring-shaped, and the first coiled spring encloses the second coiled spring or the second coiled spring encloses the first coiled spring; and a pin that aligns mating of the negative electric terminal and mating of the positive electric terminal to a battery module. ### Claim 2 (depends on 1) The battery holder of claim 1, wherein the first coiled spring and the second coiled spring are fixed along their respective lengths to a surface inside the battery holder. ### Claim 3 (depends on 1) The battery holder of claim 1, wherein the pin is enclosed by the ring-shaped second coiled spring. ### Claim 4 (depends on 1) The battery holder of claim 1, wherein the pin is a threaded pin. ### Claim 5 (depends on 4) The battery holder of claim 4, wherein the pin rotates to pull the battery module towards the negative electric terminal and the positive electric terminal. ### Claim 6 (depends on 5) The battery holder of claim 5, wherein the pin is locked into position upon mating. ### Claim 7 (depends on 1) The battery holder of claim 1, including a vent opening that aligns to a second vent opening of the battery module when the battery module is deposited within the battery holder. ### Claim 8 (depends on 1) The battery holder of claim 1, wherein the battery holder includes: an opening that is opposite of the positive electric terminal, the negative electric terminal, and the pin; and a plurality of walls to enclose and guide the battery module through the opening to the positive electric terminal, the negative electric terminal, and the pin such that the battery module and the battery holder electrically connect in a blind-mating connection. ### Claim 9 (depends on 1) The battery holder of claim 1, wherein the battery holder is integral to an electric vehicle. ### Claim 10 (depends on 1) The battery holder of claim 1, wherein the battery holder is integral to a kiosk. ### Claim 11 A battery module comprising: a plurality of rechargeable cells; a front portion of the battery module includes a handle; and a rear portion of the battery module includes a) a pin-less negative terminal having a conductive surface in the form of a first ring, and b) a pin-less positive terminal having a conductive surface in the form of a second ring, and c) an alignment socket which aligns the pin-less negative terminal and the pin-less positive terminal to a mating electrical connector, wherein the second ring is enclosed within the first ring or the first ring is enclosed within the second ring, forming concentric rings, and the alignment socket is enclosed within the concentric rings. ### Claim 12 (depends on 11) The battery module of claim 11, wherein the alignment socket is threaded. ### Claim 13 (depends on 11) The battery module of claim 11, further comprising a thermally conductive housing that houses the plurality of rechargeable cells. ### Claim 14 (depends on 11) The battery module of claim 11, wherein a rear portion of the battery module includes a vent opening with a filtering membrane that allows passing of gas but not solid material. ### Claim 15 (depends on 11) The battery module of claim 11, further comprising a first bus bar and a second bus bar each having a first portion that connects to the pin-less positive terminal or the pin-less negative terminal, respectively, the first portion transitioning to a U-shaped portion that transitions to a second portion, wherein the second portion mates with a printed circuit board (PCB) located within the battery module behind an electrical connector formed by the positive terminal and the negative terminal. ### Claim 16 A battery holder, comprising: a negative electric terminal that includes a first coiled spring; a positive electric terminal that includes a second coiled spring; and a threaded pin that aligns mating of the negative electric terminal and mating of the positive electric terminal to a battery module, wherein the threaded pin rotates to pull the battery module towards the negative electric terminal and the positive electric terminal. ### Claim 17 (depends on 16) The battery holder of claim 16, wherein the first coiled spring and the second coiled spring are fixed along their respective lengths to a surface inside the battery holder. ### Claim 18 (depends on 16) The battery holder of claim 16, wherein the battery holder includes: an opening that is opposite of the positive electric terminal, the negative electric terminal, and the threaded pin; and a plurality of walls to enclose and guide the battery module through the opening to the positive electric terminal, the negative electric terminal, and the threaded pin, wherein the battery module and the battery holder electrically connect in a blind-mating connection.