GB960692A - Improvements in or relating to control mechanisms actuated by reversible constant speed motors - Google Patents

Improvements in or relating to control mechanisms actuated by reversible constant speed motors

Info

Publication number
GB960692A
GB960692A GB2503559A GB2503559A GB960692A GB 960692 A GB960692 A GB 960692A GB 2503559 A GB2503559 A GB 2503559A GB 2503559 A GB2503559 A GB 2503559A GB 960692 A GB960692 A GB 960692A
Authority
GB
United Kingdom
Prior art keywords
motor
datum
switch
relating
constant speed
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
GB2503559A
Inventor
Kenneth Richmond Phillips
John Arthur Impett
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.)
S Smith and Sons Ltd
S Smith and Sons England Ltd
Original Assignee
S Smith and Sons Ltd
S Smith and Sons England 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 S Smith and Sons Ltd, S Smith and Sons England Ltd filed Critical S Smith and Sons Ltd
Priority to GB2503559A priority Critical patent/GB960692A/en
Publication of GB960692A publication Critical patent/GB960692A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
    • G04F3/06—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with electric driving mechanisms
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C15/00—Clocks driven by synchronous motors
    • G04C15/0009—Clocks driven by synchronous motors without power-reserve
    • G04C15/0045—Clocks driven by synchronous motors without power-reserve provided with means for checking sense of rotation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)

Abstract

960,692. Retractive switches. S. SMITH & SONS (ENGLAND) Ltd. Oct. 21, 1960 [July 21, 1959], No. 25035/59. Heading H2B. An electric switch movable in either directions from a datum position and returnable to the datum position by a synchronous motor, utilizes a motor indiscriminately rotatable and an abutment device to ensure that it rotates in the required direction to return the switch to datum. The mechanism operates cams to operate the appropriate switch dependent on the direction of displacement and also to deenergize the motor at datum. Two abutments 23, 24 on plate 22 engage stops 25, 26 and are selected by the positioning of fork 28 so that in accordance with the direction of motions of the activating mechanisms the motor is allowed to rotate only in the reverse direction to zero the device. Cams 34, 35 actuate the switch contacts. Specification 960,694 is referred to.
GB2503559A 1959-07-21 1959-07-21 Improvements in or relating to control mechanisms actuated by reversible constant speed motors Expired GB960692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2503559A GB960692A (en) 1959-07-21 1959-07-21 Improvements in or relating to control mechanisms actuated by reversible constant speed motors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2503559A GB960692A (en) 1959-07-21 1959-07-21 Improvements in or relating to control mechanisms actuated by reversible constant speed motors

Publications (1)

Publication Number Publication Date
GB960692A true GB960692A (en) 1964-06-17

Family

ID=10221165

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2503559A Expired GB960692A (en) 1959-07-21 1959-07-21 Improvements in or relating to control mechanisms actuated by reversible constant speed motors

Country Status (1)

Country Link
GB (1) GB960692A (en)

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