Electrical connectors – Metallic connector or contact having movable or resilient... – Duplicate receiving means having independently operated...
Reexamination Certificate
1999-03-23
2001-03-20
Stephan, Steven L. (Department: 2839)
Electrical connectors
Metallic connector or contact having movable or resilient...
Duplicate receiving means having independently operated...
C439S797000
Reexamination Certificate
active
06203384
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention pertains to a multi-tap pad mount connector wherein the secondary conductor ports are formed as channels perpendicular to the primary bush stud connection. Additionally, the channel include allen set screws which are perpendicular to the secondary conductor ports but at an oblique angle with respect to the longitudinal axis about which the primary bush stud connection is formed.
2. Description of the Prior Art
In the prior art, it is known to provide a pad mount for such purposes as feeding the electrical output of the secondary side of a transformer to a plurality of secondary lines. Many of these pad mounts, however, arrange the secondary lines at different angles, have connectors for the secondary lines which interfere or obstruct each other so that at least some of the connectors are inaccessible, and/or require the ends of the secondary lines to be pushed longitudinally through openings or wrapped around screws or similar posts, which can be difficult if the secondary lines are frayed or if the connectors are inaccessible. Similarly, the prior art frequently requires that the ends of the conductor of the secondary lines are free of burrs.
Recent examples of prior art in this field in U.S. Pat. No. 5,690,516 entitled “Transformer Stud Electrical Connector”, issued on Nov. 25, 1997 to Fillinger; U.S. Pat. No. 5,199,905 entitled “Lay-In Pedestal Connector Bar and Method”, issued on Apr. 6, 1993 to Fillinger; and U.S. Pat. No. 5,189,596 entitled “Transition for Electrical Apparatus”, issued on Feb. 23, 1993 to Runge.
OBJECTS AND SUMMARY OF THE INVENTION
It is therefore an object of this invention to provide a multi-tap pad connector which aligns the secondary connectors to be parallel with each other.
It is therefore a further object of this invention to provide a multi-tap pad connector in which the connectors are all substantially accessible and free from interference from one another.
It is therefore a still further object of this invention to provide a multi-tap pad connector in which the ends of the wires of the secondary connectors are not required to be pushed longitudinally through an aperture.
It is therefore a still further object of this invention to provide a multi-tap pad connector in which the ends of wires of the secondary connectors are not required to be wrapped around a screw or similar post.
It is therefore a still further object of this invention to provide a multi-tap connector which can accommodate burrs on the ends of the conductors of the secondary lines.
These and other objects are attained by providing a multi-tap pad connector in which a female threaded element is formed along the longitudinal axis for receiving the bushing stud from the secondary side of a transformer. Open channels are formed along the body of the multi-tap pad connector which intersect the longitudinal axis, but are perpendicular thereto, thereby positioning the secondary connectors parallel to each other and perpendicular to the bushing stud from the secondary side of the transformer. The open channels allow the secondary conductors to be laid laterally into the open channels, rather than axially inserted through an aperture. A wall of the channel is formed obliquely to the longitudinal axis and threaded set screw apertures are formed therein so that the set screws which effectively close the channel and engage the secondary connectors therein are perpendicular to the open channels but oblique to the longitudinal axis of the pad connector. This arrangement of the set screws provides for high accessibility of the set screws and minimal or no interference therebetween.
REFERENCES:
patent: 2943294 (1960-06-01), Norden
patent: 2976514 (1961-03-01), Stanback et al.
patent: 3001172 (1961-09-01), Cornell, Jr.
patent: 3133779 (1964-05-01), Stanback
patent: 3516049 (1970-06-01), Goodridge
patent: 3546364 (1970-12-01), O'Neel
patent: 3725851 (1973-04-01), Linn
patent: 3736550 (1973-05-01), Wallace et al.
patent: 3794963 (1974-02-01), Cooper, Jr.
patent: 4214806 (1980-07-01), Kraft
patent: 4382651 (1983-05-01), Klosin et al.
patent: 4456326 (1984-06-01), Sauber
patent: 5189596 (1993-02-01), Runge
patent: 5199905 (1993-04-01), Fillinger
patent: 5690516 (1997-11-01), Fillinger
patent: 5931708 (1999-08-01), Annas et al.
Dinh Phuong KT
Maclean Power Systems
Pitney Hardin Kipp & Szuch LLP
Stephan Steven L.
LandOfFree
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