# US 7,607,952 B2 · Battery contact > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,607,952 B2 - Document ID: US7607952B2 - Status: Granted - Kind: B2 - Application number: 11/748,610 - Filed: 2007-05-15 - Published: 2008-11-20 - Granted: 2009-10-27 - Earliest claimed: 2007-05-15 - Assignees: FCI Americas Technology, Inc. - Inventors: Yung-Yu Tai - Web page: https://patentgrep.com/patent/US7607952B2 ## CPC - H01R 13/2428: {using meander springs} - H01R 12/57: surface mounting terminals - H01R 43/16: for manufacturing contact members, e.g. by punching and by bending - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract A compressible electrical contact is disclosed. The compressible electrical contact may include a nose portion, a corrugated portion and a tail portion. The tail portion may extend from a first end of the corrugated portion and the nose portion may extend from an opposite end of the corrugated portion. The corrugated portion may define a first surface and a second surface opposite the first surface. The first and second surfaces may have a width. The corrugated portion may also have a third surface extending between the first and second surfaces and a fourth surface opposite the third surface. A plurality of corrugations may be formed in the third and fourth surfaces of the corrugated portion. ## Claims ### Claim 1 A compressible electrical contact comprising: a corrugated portion defining a first end and a second end opposite the first end; a tail portion extending from the first end of the corrugated portion; and a nose portion extending from the second end of the corrugated portion; wherein (i) the electrical contact is stamped from a sheet of electrically-conductive material, the sheet having a thickness, (ii) the corrugated portion defines a first surface and a second surface opposite the first surface, (iii) each of the first and second surfaces has a respective width that is defined by the thickness of the sheet of electrically-conductive material, (iv) the corrugated portion defines a third surface extending between the first and second surfaces, and a fourth surface, opposite the third surface, also extending between the first and second surfaces, (v) each of the third and fourth surfaces has a width that is greater than the widths of the first and second surfaces, and (vi) a plurality of corrugations are formed in the third and fourth surfaces. ### Claim 2 (depends on 1) The electrical contact of claim 1, wherein the tail portion defines a surface mounting end that extends in a direction from the first end of the corrugated portion toward the nose portion. ### Claim 3 (depends on 1) The electrical contact of claim 1, wherein the tail portion defines a surface mounting end that extends in a direction from the first end of the corrugated portion away from the nose portion. ### Claim 4 (depends on 1) The electrical contact of claim 1, wherein (i) the tail portion comprises a first planar portion that defines a first plane and a second planar portion that defines a second plane (ii) the second plane is offset from the first plane, and (iii) the tail portion comprises a transition portion extending between the first and second planar portions. ### Claim 5 (depends on 4) The electrical contact of claim 4, wherein the second planar portion extends from the transition portion in a direction toward the nose portion. ### Claim 6 (depends on 4) The electrical contact of claim 4, wherein the second planar portion extends from the transition portion in a direction away from the nose portion. ### Claim 7 (depends on 2) The electrical contact of claim 2, wherein (i) the tail portion comprises a planar portion that extends from the first end of the corrugated portion, and (ii) the planar portion has a thickness defined by the thickness of the sheet of electrically conductive material. ### Claim 8 (depends on 7) The electrical contact of claim 7, wherein the planar portion of the tail portion is perpendicular to the third surface of the corrugated portion. ### Claim 9 (depends on 1) The electrical contact of claim 1, wherein the nose portion has a distal end that is adapted to engage a battery. ### Claim 10 (depends on 1) The electrical contact of claim 1, wherein (i) the corrugated portion defines a first longitudinal axis, and (ii) the nose portion defines a second longitudinal axis that is offset from the first longitudinal axis. ### Claim 11 An electrical connector comprising: a housing that defines an aperture; and a compressible electrical contact disposed in the aperture of the housing, the contact comprising (i) a corrugated portion defining a first end and a second end opposite the first end; (ii) a tail portion extending from the first end of the corrugated portion; and (iv) a nose portion extending from the second end of the corrugated portion, the nose portion having an upper portion and a lower portion separated from the upper portion by a distance; wherein (i) the corrugated portion defines a first surface and a second surface opposite the first surface, (ii) each of the first and second surfaces has respective opposing outer edges that define a width therebetween, (iii) the corrugated portion defines a third surface extending between the first and second surfaces, and a fourth surface, opposite the third surface, also extending between the first and second surfaces, (iv) each of the third and fourth surfaces has respective opposing outer edges that define a width therebetween, such that the widths of the third and fourth surfaces are greater than the widths of the first and second surfaces, and greater than the distance between the upper and lower portions of the nose, and (v) a plurality of corrugations are formed in the third and fourth surfaces. ### Claim 12 (depends on 11) The electrical connector of claim 11, wherein the electrical contact is stamped from a sheet of electrically-conductive material, the sheet having a thickness, and wherein the widths of the first and second surfaces are defined by the thickness of the sheet. ### Claim 13 (depends on 11) The electrical connector of claim 11, wherein the tail portion of the contact defines a surface mounting end that extends in a direction from the first end of the corrugated portion toward the nose portion. ### Claim 14 (depends on 11) The electrical connector of claim 11, wherein the tail portion of the contact defines a surface mounting end that extends in a direction from the first end of the corrugated portion away from the nose portion. ### Claim 15 (depends on 12) The electrical connector of claim 12, wherein (i) the tail portion of the contact comprises a planar portion that extends from the first end of the corrugated portion, and (ii) the planar portion has a thickness defined by the thickness of the sheet of electrically conductive material. ### Claim 16 (depends on 15) The electrical connector of claim 15, wherein the planar portion of the tail portion is perpendicular to the third surface of the corrugated portion. ### Claim 17 (depends on 11) The electrical connector of claim 11, wherein the nose portion of the contact has a distal end that is adapted to engage a battery. ### Claim 18 A method for making a compressible electrical contact, the method comprising: (a) stamping a shaped piece from a sheet of electrically-conductive material having a thickness; (b) forming a corrugated portion defining a first end and a second end; (c) forming a tail portion at the first end of the corrugated portion; and (d) forming a nose portion at the second end of the corrugated portion; wherein (i) the corrugated portion defines a first surface and a second surface opposite the first surface, (ii) each of the first and second surfaces has a respective width that is defined by the thickness of the sheet of electrically-conductive material, (iii) the corrugated portion defines a third surface extending between the first and second surfaces, and a fourth surface, opposite the third surface, also extending between the first and second surfaces, (iv) each of the third and fourth surfaces has a width that is greater than the widths of the first and second surfaces, and (v) a plurality of corrugations are formed in the third and fourth surfaces. ### Claim 19 (depends on 18) The method of claim 18, further forming the tail portion of the contact such that the tail portion comprises (i) a planar portion that extends from the first end of the corrugated portion, and (ii) the planar portion has a thickness defined by the thickness of the sheet of electrically conductive material. ### Claim 20 (depends on 19) The method of claim 19, further forming the corrugated portion such that the planar portion of the tail portion is perpendicular to the third surface of the corrugated portion. ### Claim 21 A compressible electrical contact comprising: a corrugated portion defining a first end and a second end opposite the first end; a tail portion extending from the first end of the corrugated portion; and a nose portion extending from the second end of the corrugated portion, wherein the nose portion has an upper portion and a lower portion spaced from the upper portion with respect to a first direction; wherein the corrugated portion includes a surface having corrugations that extend along a second direction that is perpendicular to the first direction. ### Claim 22 A compressible electrical contact comprising: a corrugated portion defining a first end and a second end opposite the first end; a tail portion extending from the first end of the corrugated portion; and a nose portion extending from the second end of the corrugated portion; wherein the corrugated portion defines a first corrugated surface and a second opposing corrugated surface, the first corrugated surface defines a width extending between opposing outer edges of the first corrugated surface, the first and second corrugated surfaces define a thickness along a direction that extends normal to the first and second corrugated surfaces, and the width is greater than the thickness. ### Claim 23 (depends on 22) The compressible electrical contact of claim 22, wherein the outer edges are curved. ### Claim 24 (depends on 21) The compressible electrical contact of claim 21, wherein the first direction is vertical. ### Claim 25 (depends on 21) The compressible electrical contact of claim 21, wherein the upper and lower portions extend substantially parallel to each other. ### Claim 26 An electrical connector comprising: a housing that defines an aperture; and a compressible electrical contact disposed in the aperture of the housing, the contact comprising (i) a corrugated portion defining a first end and a second end opposite the first end; (ii) a tail portion extending from the first end of the corrugated portion; and (iv) a nose portion extending from the second end of the corrugated portion, the nose portion having an upper portion and a lower portion separated from the upper portion by a distance; wherein (i) the corrugated portion defines a first surface and a second surface opposite the first surface, (ii) each of the first and second surfaces has a respective width, (iii) the corrugated portion defines a third surface extending between the first and second surfaces, and a fourth surface, opposite the third surface, also extending between the first and second surfaces, (iv) each of the third and fourth surfaces has a width that is greater than the widths of the first and second surfaces, and greater than the distance between the upper and lower portions of the nose, (v) a plurality of corrugations are formed in the third and fourth surfaces, and the electrical contact is stamped from a sheet of electrically-conductive material, the sheet having a thickness, and the widths of the first and second surfaces are defined by the thickness of the sheet.