GB415758A - Improvements in and relating to electric clocks - Google Patents

Improvements in and relating to electric clocks

Info

Publication number
GB415758A
GB415758A GB233233A GB233233A GB415758A GB 415758 A GB415758 A GB 415758A GB 233233 A GB233233 A GB 233233A GB 233233 A GB233233 A GB 233233A GB 415758 A GB415758 A GB 415758A
Authority
GB
United Kingdom
Prior art keywords
drive
train
electric clocks
relating
muirhead
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
GB233233A
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.)
Muirhead and Co Ltd
Original Assignee
Muirhead 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 Muirhead and Co Ltd filed Critical Muirhead and Co Ltd
Priority to GB233233A priority Critical patent/GB415758A/en
Publication of GB415758A publication Critical patent/GB415758A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H27/00—Step-by-step mechanisms without freewheel members, e.g. Geneva drives
    • F16H27/04—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement
    • F16H27/06—Mechanisms with driving pins in driven slots, e.g. Geneva drives
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
    • G04B13/003—Gearwork where rotation in one direction is changed into a stepping movement with a step for each complete revolution

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

415,758. Electric clocks. MUIRHEAD & CO., Ltd., and MUIRHEAD, F. H., Elmers End, Kent. Jan. 24, 1933, No. 2332. [Class 139.] In a synchronous motor clock means are provided in the gear train whereby intermittent rotation of the hands is secured. For example, an eccentric pin 3 on the rotor spindle 1 may drive the train step-by-step through a toothed wheel 8, or the spindle 1 may drive the first wheel of the train through Geneva stop mechanism. Alternatively, or in addition, the step-by-step drive may be fitted at any other point in the gear train.
GB233233A 1933-01-24 1933-01-24 Improvements in and relating to electric clocks Expired GB415758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB233233A GB415758A (en) 1933-01-24 1933-01-24 Improvements in and relating to electric clocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB233233A GB415758A (en) 1933-01-24 1933-01-24 Improvements in and relating to electric clocks

Publications (1)

Publication Number Publication Date
GB415758A true GB415758A (en) 1934-08-24

Family

ID=9737674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB233233A Expired GB415758A (en) 1933-01-24 1933-01-24 Improvements in and relating to electric clocks

Country Status (1)

Country Link
GB (1) GB415758A (en)

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