GB646401A - An electromagnetically-operated step-by-step selector switch - Google Patents

An electromagnetically-operated step-by-step selector switch

Info

Publication number
GB646401A
GB646401A GB4753/48A GB475348A GB646401A GB 646401 A GB646401 A GB 646401A GB 4753/48 A GB4753/48 A GB 4753/48A GB 475348 A GB475348 A GB 475348A GB 646401 A GB646401 A GB 646401A
Authority
GB
United Kingdom
Prior art keywords
wheel
ratchet wheel
armature
wheels
pawl
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
GB4753/48A
Other languages
English (en)
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.)
Guardian Electric Manufacturing Co
Original Assignee
Guardian Electric Manufacturing Co
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 Guardian Electric Manufacturing Co filed Critical Guardian Electric Manufacturing Co
Publication of GB646401A publication Critical patent/GB646401A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
    • H01H51/08—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet
    • H01H51/082—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet using rotating ratchet mechanism
    • H01H51/086—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet using rotating ratchet mechanism with radial ratchet elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06—Rotary switches, i.e. having angularly movable wipers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1558—Grip units and features
    • Y10T74/1565—Gripper releasing devices
    • Y10T74/1566—Power pawl lifter
    • Y10T74/1568—Automatic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1558—Grip units and features
    • Y10T74/1565—Gripper releasing devices
    • Y10T74/1576—Holding pawl lifter

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Transmission Devices (AREA)
GB4753/48A 1938-12-22 1948-02-18 An electromagnetically-operated step-by-step selector switch Expired GB646401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US247207A US2277411A (en) 1938-12-22 1938-12-22 Step-up switch

Publications (1)

Publication Number Publication Date
GB646401A true GB646401A (en) 1950-11-22

Family

ID=22934037

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4753/48A Expired GB646401A (en) 1938-12-22 1948-02-18 An electromagnetically-operated step-by-step selector switch

Country Status (3)

Country Link
US (1) US2277411A (enrdf_load_stackoverflow)
BE (1) BE482388A (enrdf_load_stackoverflow)
GB (1) GB646401A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2837928A (en) * 1954-11-17 1958-06-10 Pines Engineering Co Inc Indexing and stroke control mechanisms for reciprocating devices
US2847534A (en) * 1955-03-24 1958-08-12 Gen Dynamics Corp Stepping switch
US3200577A (en) * 1961-11-07 1965-08-17 Gen Time Corp Single control for full feature timer

Also Published As

Publication number Publication date
BE482388A (enrdf_load_stackoverflow)
US2277411A (en) 1942-03-24

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