Electrical connectors – Contact comprising cutter – Resiliently biased
Reexamination Certificate
2001-11-01
2003-12-23
Easthom, Karl D. (Department: 2632)
Electrical connectors
Contact comprising cutter
Resiliently biased
C439S437000, C200S051100, C200S051090
Reexamination Certificate
active
06666707
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a unit for connecting conductors to terminals. More particularly, it relates to a unit for terminals of the kind which constitutes the central internal body of the electrical devices currently used, such as switches, pushbuttons, mounting plates and the like, a unit which is designed to allow connecting two conductors to a same terminal and to make possible disconnecting one of them without disconnecting the other as well as once of the two connectors is connected, to connect the second conductor without this affects the position of the first, all of it quite quickly and with full effectiveness and guaranty.
One of the tasks which presently requires special care and therefore have repercussions on the times for mounting the installations, is connecting the conductors to terminals which has a repercussion on the electrical device, and operation which requires, either an installation prior to the terminals, or an industrious hand folding or braiding around the setscrew itself on the terminal. These tasks will require more care when two conductors have to be connected to a single terminal, which is frequent enough in installation.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide a unit for terminals, which avoids the drawbacks of the prior art.
These drawbacks are overcome in a practical way by using the unit for terminals of this invention, which is provided with several mechanical devices by means of which immediate fastenings and setting is carried out and without any prior preparation of the clean ends of the conductors which have to be located within the receptacle of the connected terminal, allowing the quick and effective connection to the terminals of one or two conductors, as well as the optional disconnection of only one of them also providing that the access or repercussion of the ends of the cables is uprightly carried out, that is to say, perpendicularly to the bottom of the body itself and parallel to the unit longitudinal plane of symmetry.
The unit of terminals of the invention also provides that in a single unit several devices are arranged for quickly connecting the terminals, allowing that each of the said devices to place two cables for their connection to the terminals.
In keeping with these objects and with others which will become apparent hereinafter, one feature of present invention resides, briefly stated in a unit which has a body having a bottom; and means for connecting two conductors to a same terminal and disconnecting one of the conductors without disconnecting the other conductor as well as connecting to the terminal one of the conductors and thereafter the other conductor also without the one conductor being affected, with acting on the conductors perpendicularly to the bottom of the body.
The novel features which are considered as characteristic for the present invention are set forth in particular in the appended claims. The invention itself, however, both as to its construction and its method of operation, together with additional objects and advantages thereof, will be best understood from the following description of specific embodiments when read in connection with the accompanying drawings.
REFERENCES:
patent: 2713668 (1955-07-01), Gibilisco
patent: 3152851 (1964-10-01), McLaughin
patent: 4759726 (1988-07-01), Naylor et al.
patent: 4768976 (1988-09-01), Gelati
patent: 5915991 (1999-06-01), Roman
patent: 6146187 (2000-11-01), Pallai
patent: 6146217 (2000-11-01), Osada
patent: 6261120 (2001-07-01), Beege et al.
patent: 0 246 199 (1987-11-01), None
patent: 01-130480 (1989-05-01), None
Easthom Karl D.
Fishman M.
Striker Micahel J.
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