GB334542A - Improved safety key, safety crank, or the like for winding spring mechanisms of any kind - Google Patents

Improved safety key, safety crank, or the like for winding spring mechanisms of any kind

Info

Publication number
GB334542A
GB334542A GB780029A GB780029A GB334542A GB 334542 A GB334542 A GB 334542A GB 780029 A GB780029 A GB 780029A GB 780029 A GB780029 A GB 780029A GB 334542 A GB334542 A GB 334542A
Authority
GB
United Kingdom
Prior art keywords
safety
crank
key
winding spring
spring mechanisms
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
GB780029A
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 GB780029A priority Critical patent/GB334542A/en
Publication of GB334542A publication Critical patent/GB334542A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N1/00—Starting apparatus having hand cranks
    • F02N1/005—Safety means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

334,542. Houck, W. C. March 11, 1929. Hand driving-mechanism.-The winding key or crank of a spring motor contains a slipping clutch in order to prevent overwinding. In Fig. 1 the clutch comprises friction discs c, d, arranged between the parts b, g, of the key.
GB780029A 1929-03-11 1929-03-11 Improved safety key, safety crank, or the like for winding spring mechanisms of any kind Expired GB334542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB780029A GB334542A (en) 1929-03-11 1929-03-11 Improved safety key, safety crank, or the like for winding spring mechanisms of any kind

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB780029A GB334542A (en) 1929-03-11 1929-03-11 Improved safety key, safety crank, or the like for winding spring mechanisms of any kind

Publications (1)

Publication Number Publication Date
GB334542A true GB334542A (en) 1930-08-11

Family

ID=9839976

Family Applications (1)

Application Number Title Priority Date Filing Date
GB780029A Expired GB334542A (en) 1929-03-11 1929-03-11 Improved safety key, safety crank, or the like for winding spring mechanisms of any kind

Country Status (1)

Country Link
GB (1) GB334542A (en)

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