GB136497A - Improvements in or relating to Selecting Devices for Automatic Telephone Systems. - Google Patents

Improvements in or relating to Selecting Devices for Automatic Telephone Systems.

Info

Publication number
GB136497A
GB136497A GB1764019A GB1764019A GB136497A GB 136497 A GB136497 A GB 136497A GB 1764019 A GB1764019 A GB 1764019A GB 1764019 A GB1764019 A GB 1764019A GB 136497 A GB136497 A GB 136497A
Authority
GB
United Kingdom
Prior art keywords
relating
telephone systems
detents
automatic telephone
selecting devices
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
GB1764019A
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
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 Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Priority to GB1764019A priority Critical patent/GB136497A/en
Publication of GB136497A publication Critical patent/GB136497A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/14—Multi-position wiper switches having wipers movable in two mutually perpendicular directions for purpose of selection
    • H01H67/16—Multi-position wiper switches having wipers movable in two mutually perpendicular directions for purpose of selection one motion being rotary and the other being parallel to the axis of rotation, e.g. Strowger or "up and around" switches

Landscapes

  • Telephone Set Structure (AREA)

Abstract

136,497. Siemens Bros. & Co., Petithory, E. A., and Sumner, G. P. July 14, 1919. Automatic exchange apparatus.-Selectors of the Strowger type are provided with separate release detents for the vertical and rotary ratchets, the detents being operated by a single release magnet. The detents 9, 10, which are pressed into engagement with the ratchets 3, 4 by springs 13, 15, are pivoted on a spindle 11 mounted in lugs in the frame 1, and are engaged by tails 7, 8 on the armature 6 of the release magnet 5.
GB1764019A 1919-07-14 1919-07-14 Improvements in or relating to Selecting Devices for Automatic Telephone Systems. Expired GB136497A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1764019A GB136497A (en) 1919-07-14 1919-07-14 Improvements in or relating to Selecting Devices for Automatic Telephone Systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1764019A GB136497A (en) 1919-07-14 1919-07-14 Improvements in or relating to Selecting Devices for Automatic Telephone Systems.

Publications (1)

Publication Number Publication Date
GB136497A true GB136497A (en) 1919-12-18

Family

ID=32484074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1764019A Expired GB136497A (en) 1919-07-14 1919-07-14 Improvements in or relating to Selecting Devices for Automatic Telephone Systems.

Country Status (1)

Country Link
GB (1) GB136497A (en)

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