GB190723774A - Improvements in or relating to Electrical Connection Devices. - Google Patents

Improvements in or relating to Electrical Connection Devices.

Info

Publication number
GB190723774A
GB190723774A GB190723774DA GB190723774A GB 190723774 A GB190723774 A GB 190723774A GB 190723774D A GB190723774D A GB 190723774DA GB 190723774 A GB190723774 A GB 190723774A
Authority
GB
United Kingdom
Prior art keywords
carrier
stem
casing
balls
wire
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
Application number
Inventor
Otto Graetzer
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190723774A publication Critical patent/GB190723774A/en
Expired legal-status Critical Current

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Landscapes

  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

23,774. Graetzer, O. Oct. 28. Couplings. - An electric coupling comprises frictiongrip balls c mounted in chambers in a carrier b, which is guided in a conical casing a. The cover f which closes the end of this casing serves as the guide for the stem of the carrier. The wire d, inserted in a hole in the carrier, is gripped by the balls, which are wedged against the casing by the action of the spring e. The carrier is drawn up to liberate the wire by a key screwed into the end of the stem ; or, the stem may project and be provided with a knob of insulating-material. In a modification, the stem does not pass through the cover, but the carrier is formed with an extension to pass through the bottom of the casing. The device may be used for branch connexions, and it may be duplicated, as shown in Fig. 9, to form a coupling. The balls may be arranged to press the wire against one side of the carrier.
GB190723774D 1907-10-28 1907-10-28 Improvements in or relating to Electrical Connection Devices. Expired GB190723774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190723774T 1907-10-28

Publications (1)

Publication Number Publication Date
GB190723774A true GB190723774A (en) 1908-10-15

Family

ID=32550757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190723774D Expired GB190723774A (en) 1907-10-28 1907-10-28 Improvements in or relating to Electrical Connection Devices.

Country Status (1)

Country Link
GB (1) GB190723774A (en)

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