US PATENT SUBCLASS 439 / 92
WITH CIRCUIT CONDUCTORS AND SAFETY GROUNDING PROVISION

Current as of: June, 1999
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439 /   HD   ELECTRICAL CONNECTORS

92WITH CIRCUIT CONDUCTORS AND SAFETY GROUNDING PROVISION {7}
93  DF  .~> And means to block access to power contact surface
94  DF  .~> Uninterrupted support rail or contact, or for interfitting with uninterrupted support rail or contact
95  DF  .~> Grounding to connector container or housing {2}
98  DF  .~> Grounding to conductive sheath of cable {1}
100  DF  .~> Grounding to pipe, rod or conduit
101  DF  .~> Direct grounding of coupling part member passing into aperture {4}
108  DF  .~> Grounding of coupling part

DEFINITION

Classification: 439/92

WITH CIRCUIT CONDUCTORS AND SAFETY GROUNDING PROVISION:

(under the class definition) Electrical connector combined with a electricity transmitting member for supply of electrical current, a second electricity transmitting member for return of that electrical current (i.e., a return ground) and with additional, distinct, particular provision to electrically connect a portion thereof to the earth, in addition to or other than the provision of an electromagnetic or electrostatic shielding ground.

(1) Note. This subclass is to provide for any electrical connector including a grounding provision, except (a) one providing for a return path to earth of electricity that has been transmitted to an appliance that has utilized the electricity passing therethrough or (b) one purely for shielding the effect of electromagnetic or electrostatic radiation. Such provision may be called a "return", "common", "neutral", etc. ground. In the event of doubt of whether or not the provision is an "earth" ground or a "return" ground, the device is to be found in this and the indented subclasses.

(2) Note. In the transmission of low voltage electricity, it is not unusual to utilize the framework of structure to serve as a return for electricity. Such a return path is not considered to be a "common" or "return" ground. Terminology that may be indicative of structure including a ground that is not a safety ground includes: "tube socket", "transistor", "chassis", "electronic", "radio circuitry", "electrical shield", etc.

(3) Note. A connector for a two-wire, 120v. a.c. residential electrical supply system including an insulated "hot" wire (black) and insulated "ground" wire (white) is not included herein because the white wire is considered to be an electricity return, even though the white line is connected to earth at some point. A connector for a three-wire 120v. a.c. electrical supply system wherein the third wire comprises a "bond" wire is included herein because the third wire is a safety ground not intended to serve as an electricity return.

(4) Note. A connector for a three-wire 240v. a.c. residential electrical supply system including two "hot" wires and a single ground wire is excluded from this subclass if the ground is insulated (therefore considered to be a ground that is not an electricity return).

SEE OR SEARCH THIS CLASS, SUBCLASS:

126, for an electrical connector having a spark or glow plug cover with inductive shielding with a grounding provision. 578+, for an electrical connector combined with a coaxial cable having provision to ground the shielding or return ground sheath thereof.

607+, for an electrical connector having or providing inductive or capacitive shielding, including means for grounding the shield.

677+, for a polarized plural contact coupling part wherein one contact may be for "safety" grounding, but is not claimed as the combination of elements required for this subclass.

799+, for a circumferentially tensioned flexible strap or band which may be for "safety" grounding, but is not claimed as the combination of elements required for this subclass.