IP Library Granted Patent US 6,979,212
Granted Patent B1
US 6,979,212 · App. 10/988,331 · Granted Dec 27, 2005

Safety electrical plug

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Quick Facts
Patent No.
US 6,979,212
App. No.
10/988,331
Granted
Dec 27, 2005
Kind
B1
Abstract

An electrical plug comprises a plug housing having a housing face and a generally hollow probe extending from the housing face to a probe face. Prongs are disposed within the probe. The prongs are urged to an unlocked position retracted into the probe and movable to a locked position extending from the probe face.

Claims (33)

1. An electrical plug comprising:

a plug housing having a housing face;

a generally hollow probe extending from said housing face to a probe face;

a plurality of prongs disposed within said probe,

said prongs urged to an unlocked position retracted into said probe and movable to a locked position extending from said probe face; and

a piston retained within said probe between said prongs,

said piston slidable between a first position proximate said probe face so as to force said prongs to said locked position and a second position distal said probe face so as to allow said prongs to retract to said unlocked position.

2. An electrical plug comprising:

a plug housing;

a probe portion of said housing adapted to insert into an electrical outlet;

a plurality of prongs retained by said probe portion;

said prongs moveable between a first position retracted within said probe portion and a second position extending from said probe portion,

said prongs adapted to connect to an electrical power source at said outlet in said second position;

a plurality of conductors within said plug housing adapted to carry current between said prongs and an electrical load;

an adapter socket disposed in said plug housing;

a plurality of clips retained by said adapter socket configured to accept a standard AC electrical plug,

said clips electrically connected to said prongs; and

a door adapted to cover and retain said standard AC electrical plug.

3. The electrical plug according to claim 2 further comprising a ground bar retained along said probe portion adapted to establish a ground path to said electrical outlet.

4. An electrical plug comprising:

a housing;

a probe extending from said housing;

a pair of prongs disposed within said probe;

a plurality of curved spring bar portions of said prongs configured to urge said prongs to retract within said probe; and

a piston slidably retained within said probe,

said piston movable between a first position pressing against said spring bar portions so as to force said prongs to extend from said probe and a second position allowing said spring bar portions to retract said prongs within said probe.

5. The electrical plug according to claim 4 further comprising:

a probe face of said probe having corners;

a pair of elongated openings defined by said probe face proximate said corners,

said prongs configured to extend generally perpendicular to said probe from said openings.

6. The electrical plug according to claim 5 further comprising:

a finger hold adapted to a finger tip; and

a post connecting said finger hold to said piston allowing said finger hold to actuate said piston so as to extend and retract said prongs.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 15, 2017
From: PROTECTCONNECT
To: BAUM FAMILY TRUST DTD 1/11/2001; JOHN & LYNN BOWEN, TRUSTEES BOWN FAMILY TRUST DTD 11/21/1985; ALLEN, DANIEL; BLOCK, GEORGE AND/OR HIS IRA; PHILIP BURKHARDT, TRUSTEE BURKHARDT 2005 FAMILY TRUST AND/OR THEIR IRAS; DAMEROW, MILTON F.; JOHN & LAUARIE DEWITT AND/OR THIEIR IRAS; DINOTO, KRISTOPHER; BINKLEY FAMILY TRUST DTD 2/9/2000; CARL A LARSON, TRUSTEE LARSON 1995 REVOCABLE TRUST DTD 11/17/1995; SMC MULTI-MEDIA; BAKER KEN AND/OR HIS IRA; BLOCK, NICHOLAS AND/OR HIS IRA; CALDWELL, DAVID; DAVIS, JAMES P; KASHAN PIRACHA (KPN, LLC); KEVIN THOMAS DINOTO AND/OR HIS ROTH IRA; GREG BLOCK, TRUSTEE, BLOCK FAMILY TRUST DTD 6/22/1990; THOMAS DINOTO, TRUSTEE DINOTO FAMILY TRUST DTD 1/11/1993; TIM WALKER, TRUSTEE WALKER FAMILY TRUST DTD 7/21//2009; BALTER, LAURENCE; BLOCK, PAUL AND/OR HIS IRA; CHU, JOHN; DAVIS, TERRY; ESTATE OF GARY W DIXON; DINOTO, BRANDON; HARDEY, JULIE E. AKA JULIE HELLUM FBO BREE DIXON; ROBERT W. DUDLEY TRUST; CHRISTY L. HENDRICKSON TRUST DTD 3/22/2011; GREG A. JIRAK & LORI HUBBART; NGUYEN, PETER (KPN, LLC); LAI, MAN-LING; LYON, DAVID; JANELL SKOMER AKA JANELL SOHMER-BLOCK C/O GREGORY BLOCK; NORMAN M ESTIN TRUST; THOMAS GOERGEN AND/OR HIS IRA; ANDREW KALANI NIHEU & JAY DEEP CHITNIS; JOHNSON, BRUCE; MARK & DIANA KENNEY, TRUSTEES KENNEY FAMILY TRUST DTD 11/29/1996; TERRENCE E. LEE, TRUSTEE TERRENCE E. LEE TRUST; MACDONALD, GREG; NAUSNER, IAN; GARY & BARBARA A. GENTZKOW AND/OR BARBARA GENTZKOW'S IRA; PHYLLIS ORNDORFF, TRUSTEE PHYLLIS ORNDORFF TRUST DTD 12-30-2010; JENKINS, ANDREW M; TIMOTHY KARIS SIRAK LLC; RANDY & LONA KENT; LEWIS, LAURA; MAHONEY, ANNE M.; MALLOY, HOWARD BRIAN AND/OR HIS IRA; CLIFF & MAKOTO MCQUEEN; CHRISTOPHER MOORE INDIVIDUALLY & AS TRUSTEE MOORE FAMILY TRUST DTD 10/3/2006; UTMA, BRANDON MOORE; S. STEVEN PODSTRELENY AND/OR HIS IRA; RUBIN, KEN; STUART & KAREN SHAFER; STEVEN SREB AND/OR HIS IRA; MEGAN MALLOY AND/OR HER ROTH IRA; IVAN & LORI MENDELSON; CARROLL, SAMANTHA; BENSHOOF, STEVE; PURVES, STEVEN; CHUNG, CHEA; LORI SHOOK AND/OR HER IRA; TERRILL STEWART AND/OR HIS IRA; MCDONALD, MARK; CARL KOBAYASHI & MISHELLE NISHIDA; LINDA MOORE INDIVIDUALLY & AS TRUSTEE LINDA B. MOORE PERSONAL TRUST; ORNDORFF, WILLIAM; RAWA, ERIC; SERPE, DANIEL C; SKOMER, ROBERT M; JAMES & KIM WEINBERGER; KATHERINE WILLIAMS C/O JOHN DEWITT; JULIUS & MARRIETTA ZOLEZZI; COX, DOUG; DANIEL & KIMBERLY DOTSON; WAY, DAN; ALBROW, ROBERT C.; RYAN & SUSAN BOWERS; JAMES & ROBYN CARBAUGH; YAN, SHAOCHONG; ZOLEZZI, THOMAS H.; WHITE, DANIEL; HATARIA, PERSIS; NABAVI, PARVIS; DONALD & MARY SPENCER; BRUCE & LORENE BOWERS; DON FARRIS INC RETIREMENT TRUST; ZOLEZZI, JOHN F.; MARVIEW HOLDINGS INC.; KENNETH & JANET SHANER; DAVID FERREBEE & JEANNE HARDIE; MARLETTE, STEVE; BERNETT, GREGORY; RICHARD & DEBRA MYTKO; DEWITT, MICHAEL C/O JOHN DEWITT; WILSON, COURT; GLENN FRIEDER AND/OR HIS IRA AD/OR HIS RETIREMENT TRUST; MUNDY, SEAN; WARREN & ROBIN COHEN; R/COM RETAIL SERVICES, LLC; HALL, SCOT; MARION J. BAUER ROSIDUARY TRUST C/O BLOCK, GAUNCE & ASSOCIATES; MOORE, PHILLIP C/O TERRY DAVIS; LUBIN, JEFFREY; CHAPMAN, RONALD S.; BLOCK, SYDNEY; SCHOTT, JEFF; BRIAN DRISCOLL AND/OR DRISCOLL INVESTMENTS INC.; BRUCE & SANDY BRANDENBURG; CLAUDE KORDUS TRUSTEE KORDUS FAMILY TRUST; JAGEMAN, JERRY E.; DONALD D. LEARNED, TRUSTEE DONALD LEARNED TRUST C/O SCOTT LEARNED; BLOCK, ALEXANDRA; MAUI PREPARATORY ACADEMY PMB #186; WALTER & REBECCA HICKEL C/O CALWEST PROPERTIES; ODENWELLER, MARC; JAMES GEVARGES & DOMINIQUE BEITKANOUN; ODENWELLER, LISA; MANAGEMENT SYSTEMS LIMITED C/O SMC MULTI-MEDIA; GAMMILL, GLORIA MARIE; MICHAEL & ANASTASIA FARRELL AND/OR STERLING TRUST CO. FBO MICHAEL FARRELL; PANDOLFI, DOMINIQUE; FRIEDER, WENDY; JON HILLEGAS AND/OR HIS IRA; DAVID & BONNIC AUSTIN INDIVIDUALLY AND AS TRUSTEES AUSTIN FAMILY TRUST DTD 10/1/1999; JEFFREY TEZA AND/OR HIS IRA; KITCHENS, MELODY; MARC CAHAL AND/OR HIS IRA; COX, NICOLE; BONNIE AUSTIN AND/OR HER ROTH IRA; VINCENT GUZZETTA VASCULAR ASSOC. PENSION PLAN; MICHAEL MCLOUGHLIN, TRUSTEE MCLOUGHLIN FAMILY TRUST DTD 3/22/1994; CLIFFORD, JAMES; WILLIS, ELIZABETH; JAMES GAMMILL AND/OR HIS IRA; GARY & LINDSEY BLOCK; RICHARD & JACQUELINE SMITH; VALEO PARTNERS LLC; BOSWORTH, MICHAEL; RICHARD BABCOCK AND/OR HIS IRA; CRAIG HILLEGAS AND/OR HIS IRA; GREGORY A. BLOCK AND/OR HIS IRA
Reel/Frame 044870/0154 →
SECURITY INTEREST TERMINATION Recorded May 6, 2014
From: KNOBBE, MARTENS, OLSON & BEAR, LLP
To: PROTECTCONNECT, INC.
Reel/Frame 032836/0270 →
RELEASE OF SECURITY INTEREST Recorded Jan 21, 2014
From: SMC MULTI-MEDIA PRODUCTS LIMITED, A BVI CORPORATION
To: PROTECTCONNECT
Reel/Frame 032007/0001 →
SECURITY INTEREST Recorded Mar 3, 2011
From: PROTECTCONNECT, INC.
To: KNOBBE, MARTENS, OLSON & BEAR, LLP
Reel/Frame 025901/0546 →