GB421278A - Improvements in or relating to electric time switches - Google Patents

Improvements in or relating to electric time switches

Info

Publication number
GB421278A
GB421278A GB16764/33A GB1676433A GB421278A GB 421278 A GB421278 A GB 421278A GB 16764/33 A GB16764/33 A GB 16764/33A GB 1676433 A GB1676433 A GB 1676433A GB 421278 A GB421278 A GB 421278A
Authority
GB
United Kingdom
Prior art keywords
arms
dial
switch
abutment
lever
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
GB16764/33A
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.)
Sangamo Electric Co
Original Assignee
Sangamo Electric Co
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 Sangamo Electric Co filed Critical Sangamo Electric Co
Publication of GB421278A publication Critical patent/GB421278A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
    • G04C23/34—Mechanisms continuously running to relate the operation(s) to the time of day with provision for automatic modification of the programme, e.g. on Sunday
    • G04C23/342—Mechanisms continuously running to relate the operation(s) to the time of day with provision for automatic modification of the programme, e.g. on Sunday some operations being performed at another time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Abstract

421,278. Time switches. SANGAMO ELECTRIC CO., Springfield, Illinois, U.S.A. June 12, 1933, No. 16764. Convention date, May 12. [Class 38 (v)] In an astronomic dial having " on " and " off " switch actuators, 12, 13 carried on arms 68, 69, which are moved with respect to the dial head 26, by means of cams 61<c>, 61d, rotated by a month wheel 46 and engaging followers 76, 75 having toothed sectors driving pinions 68a, 69a, fast with the arms 68, 69, the said arms move between arcuate guide bars 71, 72 carried on the dial head by posts 36-39. The month wheel is geared with a starwheel 53 which is turned through one tooth each revolution of the dial head by engagement with a fixed stop. The switch mechanism is of the type described in Specification 404,688, and comprises setting and tripping arms 17, 18 engaged by the actuators, an abutment 18<b> on arm 18 engaging behind an abutment 19<b> on a lever 19 when the switch is set, the arm 18 disengaging the abutments when tripped to permit the lever 19 to open contacts 15, 16.
GB16764/33A 1933-05-12 1933-06-12 Improvements in or relating to electric time switches Expired GB421278A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US421278XA 1933-05-12 1933-05-12

Publications (1)

Publication Number Publication Date
GB421278A true GB421278A (en) 1934-12-12

Family

ID=21920188

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16764/33A Expired GB421278A (en) 1933-05-12 1933-06-12 Improvements in or relating to electric time switches

Country Status (1)

Country Link
GB (1) GB421278A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244824A (en) * 1963-12-23 1966-04-05 Gen Electric Astronomic dial for time switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244824A (en) * 1963-12-23 1966-04-05 Gen Electric Astronomic dial for time switch

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