Switch Cord Plug Page: 3 of 3
[1], 2 p. : ill. ; 23 cm.View a full description of this patent.
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886,262
10
2.1, so that the attachment of the wire 20
with the enlarged he'd 17 may be exposed
and adjusted at will, while. this opening is
normally closed by a sleeve 22 surrounding
the major portion of the socket member and
formed of any suitable material.
To limit the motion of the ball in respect to
the socket, I may, if desired, provide the in-
ner wall of the socket with, a recess 23 adapt-.
ed to receive a pin or stud 24 carried by the
ball. The size of the recess may be varied at
will and' the contact of the pin or stud with
the side of the' recess will prevent further
movement of the ball and socket in respect
to each. other.
The wire 5 of the cord is connected to the
switchboard by means of the insulated ter-
minal within the head, the wire 20, head 17,
rod 15, screw;19 and tip 18, while the wire.6
of the cord is in electrical 'contact with the
head 2 and. the current passes through' the
parts forming the' ball. and socket and
through the remainder of the socket member
to the tube 14. Upon inserting:'the plug
within the switchboard,.the .tip 18 and tube
14 contact with the two terminals within the
switchboard in the ordinary manner.-.
It is evident that the particular form of the
terminals and the specific structure of. the
plug does not constitute the essence of my in-.
vention,.as various changes may 'be made in.
the details without.departing from the spirit.
of the'invention.'
Having thus described my' invention', I
claim as new and desire. to secure by Letters
Patent:
- 1. A device of the class described, com-
prising a switch cord and' a switch cord plug
movable in respect.to each other, the switch
cord being provided with a hollow ball se-
Cured thereto' by a hollow neck and the'switch cord plug being provided with a socket
adapted to receive said ball, said socket
member being formed of two sections rigidly
secured together to holdthe ball within the
socket, a cylindrical casing inclosing said
sections, and a wire extending through said
hollow ball and socket and insulated from
both and one of said sections being provided
with an opening adjacent the end of said
wire and normally covered by said casing.
2. A device of the class described, com-
prising a switch cord and a switch cord plug,
the switch cord being provided with a hollow
ball secured thereto by a hollow neck and the
switch 'cord plug being provided with a
socket adapted to receive said ball, said plug
being formed of two semi--cylindrical mem-
bers rigidly secured together to hold the ball
within said socket, and a cylindrical casing
surrounding said plug.
.3. A device of the class described, corn-
prising two members movable in respect to
ach other, a hollow ball carried by one of
said members, a socket carried by the other
of said members and adapted to receive said
ball, said socket member being formed of two
sections secured together to retain the ball
within' the socket and one of said sections
having an opening therein, a casing inclosing
said sections and normally covering said
opening, and a wire extending through said
ball and socket and terminating within said
socket member adjacent the said opening.
In testimony whereof I have signed my
name to this specification in the presence of
two subscribing witnesses.
EUGENE LAMAR SMITIh.
Witnesses:
B. F..SMITH,
LEONARD JOHNES.20
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Smith, Eugene Lamar. Switch Cord Plug, patent, April 28, 1908; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth513222/m1/3/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.