US1238459A - Attachment-plug. - Google Patents

Attachment-plug. Download PDF

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Publication number
US1238459A
US1238459A US86461?14A US1238459DA US1238459A US 1238459 A US1238459 A US 1238459A US 1238459D A US1238459D A US 1238459DA US 1238459 A US1238459 A US 1238459A
Authority
US
United States
Prior art keywords
plug
attachment
screw
threaded portion
attachment plug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US86461?14A
Inventor
William C Tregoning
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Benjamin Electric Manufacturing Co
Original Assignee
Benjamin Electric Manufacturing Co
Publication date
Application granted granted Critical
Publication of US1238459A publication Critical patent/US1238459A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/59—Threaded ferrule or bolt operating in a direction parallel to the cable or wire

Description

W. C. THEGONING.
ATTACHMENT PLUG. APPLICATION man OCT- 2. m4.
Patented Aug. 28, 1917. v
WITNESSES ATTORNEYS nal C is rounded and raised and bent at right. angles to. the main stem and said end I fits snugly in the upper end of body B and prevents displacement thereof when contact is made and the'plug is screwed home in a socket. J
What I claim is:
1. An attachment plug comprising an insulating base having a cylindrical body por- 'tion, an externally screw threaded portion,
electrically connected with the other termi-' nal and a cord gripping member having an internally. threaded portion for engaging said externally threaded portion, and having an abutment portion for forcing the conductors against said shoulders.
Gupta: 0! tbil patent'may be obtained for 2. An electrical attachment plug, comprising a cylindrical body having an annular shoulder between its ends and provided with a screw-threaded inner'end having side recesses and having a longitudinal opening extending frond one of. said recesses to the outer end of said body, a screw shell having a flange to engagesaid shoulder and provided with a. terminal extending'into one of said side recesses, an end contact having a terminal extending through said longitudinal openinginto the'otherside recess, binding screws for said terminals, and
a wire-gripping member having an internal screw threaded portion to engage and in- -close the screw-threaded and recessed inner end of said body and provided with a conical wire-gripping surface to grip con' ducting wires leading to said bindingscrews. In testimony whereof]: affix my .signa ture in presence of two witnesses.
WILLIAM C. TREGONING. Witnessesz' i It. B. MOSER, E. M. FISHER.
five cents each, by addressing the Goinmissloner o! Yatentl. Washington, 'D. C.
US86461?14A Attachment-plug. Expired - Lifetime US1238459A (en)

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US1238459TA

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Publication Number Publication Date
US1238459A true US1238459A (en) 1917-08-28

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US86461?14A Expired - Lifetime US1238459A (en) Attachment-plug.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562592A (en) * 1948-10-23 1951-07-31 Charles E Woodside Electric outlet socket and plug
US2637790A (en) * 1948-10-23 1953-05-05 Charles E Woodside Electric outlet socket
US2710912A (en) * 1948-12-17 1955-06-14 Lumalampan Ab Lamp holders for christmas trees

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562592A (en) * 1948-10-23 1951-07-31 Charles E Woodside Electric outlet socket and plug
US2637790A (en) * 1948-10-23 1953-05-05 Charles E Woodside Electric outlet socket
US2710912A (en) * 1948-12-17 1955-06-14 Lumalampan Ab Lamp holders for christmas trees

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