IT1090637B - Azionatore rotativo di sicurezza con ritorno a molla - Google Patents

Azionatore rotativo di sicurezza con ritorno a molla

Info

Publication number
IT1090637B
IT1090637B IT51723/77A IT5172377A IT1090637B IT 1090637 B IT1090637 B IT 1090637B IT 51723/77 A IT51723/77 A IT 51723/77A IT 5172377 A IT5172377 A IT 5172377A IT 1090637 B IT1090637 B IT 1090637B
Authority
IT
Italy
Prior art keywords
rotary actuator
spring return
return safety
safety rotary
spring
Prior art date
Application number
IT51723/77A
Other languages
English (en)
Original Assignee
Xomox Corp
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 Xomox Corp filed Critical Xomox Corp
Application granted granted Critical
Publication of IT1090637B publication Critical patent/IT1090637B/it

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G17/00—Mechanical devices for moving a member after being released; Trip or release mechanisms characterised thereby

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Operated Clutches (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Mechanically-Actuated Valves (AREA)
IT51723/77A 1977-07-07 1977-11-07 Azionatore rotativo di sicurezza con ritorno a molla IT1090637B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/813,619 US4130182A (en) 1977-07-07 1977-07-07 Rotary spring-return actuator with safety feature

Publications (1)

Publication Number Publication Date
IT1090637B true IT1090637B (it) 1985-06-26

Family

ID=25212926

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51723/77A IT1090637B (it) 1977-07-07 1977-11-07 Azionatore rotativo di sicurezza con ritorno a molla

Country Status (9)

Country Link
US (1) US4130182A (it)
JP (1) JPS5417451A (it)
AU (1) AU3136677A (it)
CA (1) CA1083121A (it)
DE (1) DE2746953A1 (it)
FR (1) FR2397012A1 (it)
GB (1) GB1573240A (it)
IT (1) IT1090637B (it)
NZ (1) NZ185955A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365690A (en) * 1978-11-06 1982-12-28 Barnes Group Inc. Spring cartridge for spring operated re-wind mechanism
US6053297A (en) * 1998-12-18 2000-04-25 Eaton Corporation Automatically adjusting friction clutch with torsion spring housing
GB0020692D0 (en) * 2000-08-22 2000-10-11 Kinetrol Ltd Positioning rotary actuators
US9151351B2 (en) * 2011-06-28 2015-10-06 Controls International, Inc. Adjustable fail-safe rotary spring operator with a retaining band
GB2539922B (en) 2015-07-01 2017-07-19 Kinetrol Ltd Spring return device
GB2606767A (en) * 2021-05-20 2022-11-23 Kinetrol Ltd Coupling device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1292267A (en) * 1915-04-14 1919-01-21 Vickers Ltd Energizing or tensioning device for spiral springs.
US3120291A (en) * 1960-09-13 1964-02-04 G & W Electric Speciality Co Helical spring operator
US3161014A (en) * 1961-05-29 1964-12-15 United Aircraft Corp Actuator mechanism
US3122351A (en) * 1962-07-31 1964-02-25 Otis Eng Co Spring driven actuating mechanism for low torque valves
US3306317A (en) * 1962-10-29 1967-02-28 Otis Eng Co High and low pressure-responsive actuating mechanism for plugtype valves
US3279744A (en) * 1964-03-09 1966-10-18 Clary Corp Valve actuator
US3592991A (en) * 1969-06-18 1971-07-13 Turner Electric Corp Torque converter
US3808895A (en) * 1973-02-09 1974-05-07 J Fitzwater Electric fail-safe actuator
US3889924A (en) * 1973-12-03 1975-06-17 Anchor Darling Valve Co Valve stem operator

Also Published As

Publication number Publication date
CA1083121A (en) 1980-08-05
JPS5417451A (en) 1979-02-08
FR2397012A1 (fr) 1979-02-02
US4130182A (en) 1978-12-19
NZ185955A (en) 1980-12-19
GB1573240A (en) 1980-08-20
AU3136677A (en) 1979-06-14
DE2746953A1 (de) 1979-01-25

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