GB1046816A - Spring failure indicator - Google Patents

Spring failure indicator

Info

Publication number
GB1046816A
GB1046816A GB2141164A GB2141164A GB1046816A GB 1046816 A GB1046816 A GB 1046816A GB 2141164 A GB2141164 A GB 2141164A GB 2141164 A GB2141164 A GB 2141164A GB 1046816 A GB1046816 A GB 1046816A
Authority
GB
United Kingdom
Prior art keywords
spring
lever
failure indicator
spring failure
machine
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
GB2141164A
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
Priority to GB2141164A priority Critical patent/GB1046816A/en
Publication of GB1046816A publication Critical patent/GB1046816A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05GCONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G15/00Mechanical devices for initiating a movement automatically due to a specific cause
    • G05G15/002Mechanical devices for initiating a movement automatically due to a specific cause due to an abnormal functioning of the controlled apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Agricultural Machines (AREA)
  • Soil Working Implements (AREA)

Abstract

In a straight bar machine a spring biased lever actuates a micro switch to stop the machine upon failure of a point bar return spring attached to the lever. The return spring 16 Fig. 1 (not shown) is fixed at one end to a pivoted arm 17 engaging the point bar 20, and at the other to the spring biased lever 15. When spring 16 breaks or weakens the lever is urged towards the microswitch 22 by the less powerful spring 28 Fig. 2 (not shown). p
GB2141164A 1964-05-23 1964-05-23 Spring failure indicator Expired GB1046816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2141164A GB1046816A (en) 1964-05-23 1964-05-23 Spring failure indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2141164A GB1046816A (en) 1964-05-23 1964-05-23 Spring failure indicator

Publications (1)

Publication Number Publication Date
GB1046816A true GB1046816A (en) 1966-10-26

Family

ID=10162488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2141164A Expired GB1046816A (en) 1964-05-23 1964-05-23 Spring failure indicator

Country Status (1)

Country Link
GB (1) GB1046816A (en)

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