Geometrical instruments
Patent
1979-12-03
1981-03-17
McQuade, John
Geometrical instruments
200284, H01R 1122, H01H 522
Patent
active
042563585
ABSTRACT:
The present invention relates to a wire engagement and release arrangement for electrical switches, and the like, wherein the wire engagement arrangement consists of an electrical contact which is bifurcated to form two flat spring arms, one of which is shorter than the other. A pair of individual passageways through the housing of the device to be wired are provided for receiving the bare end of an electrical wire of a pair of insulated wires which are inserted into the passageways so as to pass therethrough against the ends of the spring arms whereby the spring arms will deflect and will force the bare ends of these wires against the housing walls of the electrical device. The ends of the spring arms are provided with widened portions which allow the force on the bare ends of the wire to be applied over a larger area. The release arrangement is provided by a pair of elongated apertures which extend through parallel surfaces of the housing that are aligned normal to the side dimension of the flat spring arms. The elongated apertures are offset from each other and are positioned so that their elongated axes are not substantially normal to their adjacent spring arm. The connecting wires may thus be released individually from the spring arms by movement of a pin in the elongated aperture. The aperture is dimensioned so that the spring arm cannot be deflected far enough to overstress it, and thereby cause it to take a set.
REFERENCES:
patent: 1704625 (1929-03-01), Nero
patent: 2705785 (1955-04-01), Benander
patent: 2779828 (1957-01-01), Despard
patent: 2813158 (1957-11-01), Hutt
patent: 2841673 (1958-07-01), Benander
patent: 2946036 (1960-07-01), Bettencourt
patent: 3030479 (1962-04-01), Ehrlich
patent: 3060399 (1962-10-01), Pistey
patent: 3099505 (1963-07-01), Schwartz
patent: 3120589 (1964-02-01), Westburg
patent: 3165614 (1965-01-01), Carissimi
patent: 3206710 (1965-09-01), McLaughlin
patent: 3474389 (1969-10-01), Nagano
patent: 3502835 (1970-03-01), Batcheller
patent: 3569911 (1971-03-01), Bogdanowicz
patent: 3617674 (1971-11-01), Osika
patent: 3646582 (1972-02-01), Van Alphen
patent: 3748419 (1973-07-01), Torrey
patent: 3808581 (1974-04-01), Murray
patent: 3932012 (1976-01-01), Reimer
patent: 3936126 (1976-02-01), Miller
patent: 4133594 (1979-01-01), Laverick
Bowen Glenn W.
Brown John S.
Buckman Thomas W.
Illinois Tool Works Inc.
McQuade John
LandOfFree
Wire engagement and release arrangement does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Wire engagement and release arrangement, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wire engagement and release arrangement will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1642887