Miniature Electrical Connectors

Loke, Chee Wui ; Tziviskos, George

2011

Online Patent

Zugriff:

View record in USPTO Patent Applications (Volltext)

A miniature electrical connector comprising a floating and vertically orientable spring contact within but not physically secured to an electrically-conductive connector block of a female connector wherein the spring contact and connector block are designed such that the spring contact is vertically oriented and outwardly expanded when a male connector is inserted into the female connector to provide a conductive path between a male contact of the male connector and the connector block of the female connector.

Titel:	Miniature Electrical Connectors
Autor/in / Beteiligte Person:	Loke, Chee Wui ; Tziviskos, George
Link:	View record in USPTO Patent Applications (Volltext)
Veröffentlichung:	2011
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Applications Sprachen: English Document Number: 20110281450 Publication Date: November 17, 2011 Appl. No: 12/779846 Application Filed: May 13, 2010 Assignees: ADVANCED BIONICS, LLC (Santa Clarita, CA, US) Claim: 1. A female connector, comprising: an electrically conductive connector block having an open end for receiving a male contact of a longitudinally extending male connector and a conductive floating vertically orientable spring contact loosely mounted within the connector block for vertical orientation and outward expansion in response to insertion of the male connector contact through the open end to provide a conductive path between the male connector contact and the connector block. Claim: 2. The female connector of claim 1 wherein the electrically conductive connector block comprises a conductive cylindrical axially extending outer shell contact having open front and rear ends and wherein the female connector further comprises a second electrically conductive connector block comprising a conductive cylindrical axially extending center end contact within the open rear end of and insulated from the outer shell contact. Claim: 3. The female connector of claim 2 wherein an inner surface of the open front end within the cylindrical outer shell contact includes a C-shaped laterally extending slot including inner upper and lower laterally extending grooves beginning respectively at upper and lower ends of a vertically extending C-shaped side cutout opening in a side of the outer shell contact and extending laterally to two vertically extending elongated and spaced slots in an opposite side of the outer shell contact and further comprising a laterally elongated C-shaped retainer extending through the vertically extending C-shaped side cutout opening with upper and lower arms of the retainer extending respectively along the upper and lower laterally extending grooves and terminating in the upper and lower vertically elongated slots in the opposite side of the outer shell contact to releasably secure the male connector within the female connector. Claim: 4. The female connector of claim 2 including first and second conductive floating and vertically orientable spring contacts, the first floating spring contact being loosely mounted within the outer shell contact to be vertically oriented within the outer shell contact and to outwardly expand upon axial insertion of the male connector into the female connector to provide a conductive path between the male connector contact and the outer shell contact, and the second floating spring contact being loosely mounted within the center end contact to be vertically oriented within the center end contact and to outwardly expand upon axial insertion of the male connector into the female connector to provide a conductive path between the male connector contact and the center end contact. Claim: 5. The female connector of claim 4 wherein the cylindrical outer shell contact includes a cylindrical rear opening extending forward to a mid-portion of the outer shell contact where it steps inward toward an axis of the outer shell to form a rearward facing circular shoulder and a cylindrical rearwardly facing open step upon which the first floating spring contact rests within the outer shell contact for vertical orientation within the outer shell contact and outward expansion in response to the axial insertion of the male connector contact into the open forward end of the outer shell contact. Claim: 6. The female connector of claim 5 wherein the center end contact comprises a forwardly facing cylindrical pocket for receiving a forward end of the male connector contact upon its insertion into the female connector and a forward facing annular step within a forward face of the cylindrical pocket forming a cavity for loosely receiving the second spring contact for vertical orientation within the cavity and outward expansion in response to the axial insertion of the male connector contact into the open forward end of the outer shell contact. Claim: 7. The female connector of claim 6 wherein an insulator electrically insulates the center end contact from the outer shell contact. Claim: 8. The female connector of claim 7 wherein the insulator comprises a sleeve including a cylindrical portion between an outer cylindrical surface of the center end contact and a cylindrical inner surface of the outer shell contact and a radial portion between ends of the forwardly facing pocket in the center end contact and an inner surface of the outer shell contact to close a rearward open side of the open step that loosely supports the first spring contact within the outer shell contact and to close the forward facing step within the forward face of the cylindrical pocket that loosely supports the second spring contact within the outer shell contact. Claim: 9. The female connector of claim 8 wherein the radial portion of the insulator includes an inner circular channel supporting a first circular seal sized and shaped to expand upon insertion of the male connector into the female connector to create a fluid tight seal between an outer surface of the male connector and the insulator. Claim: 10. The female connector of claim 9 wherein an inner surface of the open front end within the cylindrical outer shell contact forward of the first spring contact includes an annular recess containing a second circular seal sized and shaped to expand upon insertion of the male connector into the female connector to create a fluid tight seal between an outer surface of the male connector and the outer shell contact. Claim: 11. The female connector of claim 10 wherein an inner surface of the open front end within the cylindrical outer shell contact includes a C-shaped laterally extending slot including inner upper and lower laterally extending grooves beginning respectively at upper and lower ends of a vertically extending C-shaped side cutout opening in a side of the outer shell contact and extending laterally to two vertically extending elongated and spaced slots in an opposite side of the outer shell contact and further comprising a laterally elongated C-shaped retainer extending through the vertically extending C-shaped side cutout opening with upper and lower arms of the retainer extending respectively along the upper and lower laterally extending grooves and terminating in the upper and lower vertically elongated slots in the opposite side of the outer shell contact to releasably secure the male connector within the female connector and the C-shaped laterally extending slot and the retainer are located forward of the second circular seal. Claim: 12. The female connector of claim 4 wherein one or both of the floating spring contacts comprises a conductive metal wire crab spring contact having a central circular loop and partial front and rear loops extending upward from the central loop with ends on opposite sides and above a top surface of the circular loop. Claim: 13. The female connector of claim 4 wherein one or both of the floating spring contacts comprises a conductive metal wire spring contact having a central non-circular loop and semi-circular front and rear loops extending upward from the non-circular central loop with ends on opposite sides and above a top surface of the non-circular loop. Claim: 14. The female connector of claim 4 wherein one or both of the floating spring contacts comprises a conductive metal wire elliptical semi-arc spring contact having ends respectively resting on inwardly extending shoulders within the outer shell contact and the center end contact. Claim: 15. The female connector of claim 4 wherein one or both of the floating spring contacts comprises a conductive metal wire elliptical semi-arc spring contact having ends respectively resting on inwardly extending shoulders formed by ends of semi-circular outer slots in the rearward facing step within in the outer shell contact and the forward facing slot in the center end contact such that upon contact with the forward end of the male connector contact and the elliptical arc of the first and second spring contacts are outwardly enlarged to force outer portions of the elliptical arc adjacent the ends thereof against inner surfaces of outer shell contact and center end contact to complete electrical paths between the male connector contact and the outer shell contact and the center end contact respectively. Claim: 16. A combination of the female connector of claim 4 and an axially elongated male connector for insertion into an axial opening in a forward end of the outer shell contact to vertically orient and outwardly expand the first and second floating spring contacts and create electrical paths from the male connector to electrical contacts extending from the female connector. Claim: 17. The combination of claim 16 wherein the male connector comprises: a cylindrical side contact formed of a conductive material for engaging and expanding the first floating spring contact to complete an electrical path between the side contact and the outer shell contact, the cylindrical side contact having a central opening axially receiving a center pin of conductive material extending from an insulator sleeve, and the center pin including a rod electrical contact extending rearward beyond the cylindrical side contact and including an enlarged head engaging and expanding the second floating spring contact within the center end contact to complete an electrical path between the rod electrical contact of the male connector and the center end contact of the female connector. Claim: 18. The combination of claim 17 wherein the female connector includes internal seals engaged by the side contact and the center pin respectively to create a fluid tight seal between the side contact and the outer shell contact and between the center pin and the center end contact. Claim: 19. The combination of claim 17 further including an outer groove in the side contact receiving a retainer extending through the outer shell contact to axially and releasably secure the side contact within the outer shell contact. Claim: 20. The combination of claim 18 wherein the side contact includes an inclined annular outer surface for mating with an annular outwardly inclined surface within the axial opening of the outer shell contact to define an axial stop for the side contact within the outer shell contact. Claim: 21. The combination of claim 17 wherein the side contact and the center pin of the male connector are electrically connected to electrical leads in a cable for transmitting electrical signals from the cable to the female connector. Claim: 22. The combination of claim 21 wherein the side contact and the center pin external to the female connector are encapsulated in a waterproof covering. Claim: 23. A method of assembly of the miniature female connector of claim 11, comprising: insertion of the first circular seal into the annular channel inside the outer shell contact, followed by insertion of the retainer into the outer shell contact through the side cutout with the upper and lower arms of the retainer riding into the grooves until the ends of the retainer extend into the slots in the opposite side of the outer shell contact, followed by insertion of the first floating spring contact through a front of the cylindrical opening into the outer shell contact to loosely seat within the open step, followed by insertion of the second floating spring contact into the forwardly facing cylindrical pocket of the center end contact to loosely seat within the forward facing annular step, followed by insertion of the second annular seal into the inner circular channel in the insulator, followed by insertion of the center end contact into the cylindrical portion of the insulator, followed by insertion of the insulator and the center end contact into the rear opening of the outer shell contact to complete assembly of the female connector. Current U.S. Class: 439/246 Current International Class: 01; 01

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