US3739308A - Electromagnetic switching device with movable ratchet - Google Patents

Electromagnetic switching device with movable ratchet Download PDF

Info

Publication number
US3739308A
US3739308A US00183877A US3739308DA US3739308A US 3739308 A US3739308 A US 3739308A US 00183877 A US00183877 A US 00183877A US 3739308D A US3739308D A US 3739308DA US 3739308 A US3739308 A US 3739308A
Authority
US
United States
Prior art keywords
armature
switching device
cam
detent
coil
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 - Lifetime
Application number
US00183877A
Other languages
English (en)
Inventor
W Paul
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.)
SWITCHPACK SYST INC US
SWITCHPACK SYSTEMS
Original Assignee
SWITCHPACK SYSTEMS
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 SWITCHPACK SYSTEMS filed Critical SWITCHPACK SYSTEMS
Application granted granted Critical
Publication of US3739308A publication Critical patent/US3739308A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/63—Contacts actuated by axial cams
    • 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

Definitions

  • the disclosure comprises an electric relay switching device having a solenoid coil; a magnetically responsive armature adapted for reciprocal movement; a pair of electrical switching contacts; a cam device rotatably secured to said reciprocating armature and adapted for reciprocation therewith, said cam device being formed with a plurality of recesses; stationary detent means adapted to cause said cam to rotate upon reciprocation thereof, said switching means being responsive to the rotation of said cam device.
  • My invention relates to a stepping relay having a reciprocating cam member adapted to rotate and upon rotation to cause electrical switching means to alternate between open and closed position.
  • One of the objects of my invention is to provide a ratchet device for a solenoid switching device which is adapted to cause rotation of a cam means upon both forward and reverse stroke of the solenoid armature to thereby permit the housing and operation of the mechanism in a relatively shorter space.
  • a further object of my invention is to produce a relay type switching mechanism that is inexpensive to produce and positive and reliable in its action.
  • FIG. 1 is a top plan view of a preferred embodiment of my invention
  • FIG. 2 is a side elevation of the relay shown in FIG. I;
  • FIG. 3 is an end elevation of the relay shown in FIG.
  • FIG. 4 is a top plan view of a modified form of relay embodying my invention.
  • FIG. 5 is a side elevation of the modification shown in FIG. 4;
  • FIG. 6 is a bottom plan view of the ratchet mechanism as embodied in the modified form shown in FIG.
  • FIGS. 7, 8 and 9 are top and side views respectively of the detent or pawl used in the modification shown in FIG. 4;
  • FIG. 10 is a sectional view as taken on line 10-10 of FIG. 6.
  • FIGS. 1 and 2 I have provided av base plate upon which is mounted an electromagnetic coil 16. It will be understood that the coil 16 is formed with an axial bore adapted to receive in telescopic relation an armature l8.
  • Armature 18 is formed with an annular collar l9'.
  • a compression spring is disposed over the armature I8 between the collar 19 and the end of the coil 16 whereby the spring 20 is biased to return the armature to its outer or extended position when no electric current is flowing through the coil 16.
  • the armature 18 is also formed with a diametrically disposed slot 22 at its outer end.
  • a combination ratchet-cam wheel 23 is disposed for free rotation in said slot 22.
  • the cam 23 is formed with a plurality of notches 25 and 26 in spaced relation around the periphery. It will be noted that alternate notches 25 and 26. are different in depth, the purpose of which will become readily apparent later.
  • Oppositely acting detents 27 and 28 are secured. to the base 15 andare adapted to engage the notches 25 and 26.
  • the detent 28 extends beyond the notch 25 and carries an electrical contact means 30 which alternately closes and opens with respect to contact 31.
  • a guide member 33 extends upwardly from the base 15 and is formed with an upwardly extendingsection 34. The purpose of the guide member 33 is to prevent the armature 18 from rotating about its axis and from being displaced out of the bore of the armature 16.
  • FIGS. 4 to 10 inclusive have illustrated a modified form of the ratchet wheel.
  • all parts and elements which are the same as the form illustrated in FIGS. 1 to 3 inclusive have the same reference numbers.
  • the principal modification rests inthe configuration of the ratchet wheel, cam and detent mechanisms.
  • a ratchet wheel 35 having radially disposed ratchet teeth 36 depending from the under surface of the wheel 35. It will be noted that the wheel 35 is hexagonal in plan configuration to thereby act as a cam upon rotation.
  • the detent means comprises a base 37 having upwardly extending segments 38, 39 and 40.
  • the segments 38 and 40 engage the ratchet teeth 36 so that upon inward movement of the armature l8 segment 38 causes the ratchet wheel 35 to rotate clockwise (in FIG. 4) sufficiently to cause segment 40' to engage a ratchet tooth.
  • the segment 40 Upon return of the armature to its extended position by reason of the compression spring 20, the segment 40 causes the ratchet wheel 3'5to rotate further in a clockwise direction to thereby cause the cam to close or open the contacts 30 and 31.
  • Segment 39 of base 37 performs the same function of retention as the guide member 33 as illustrated in FIG. 2.
  • a switching device comprising:
  • an armature disposed in said bore for reciprocation on energization of said coil and having one end extending beyond one end of said coil;
  • cam means rotatably disposed on said extending armature end and being formed with a plurality of circumferentially spaced alternately relatively shal low and relatively deep ratchet teeth;
  • detent means engageable with said cammeans to cause said cam means to rotate in only one direction upon reciprocal movement of said armature;
  • actuator means engageable with'said ratchet teeth to move saidcontact members alternately to onposition and off position on successive reciprocations of said armature.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Electromagnets (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
US00183877A 1971-09-27 1971-09-27 Electromagnetic switching device with movable ratchet Expired - Lifetime US3739308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18387771A 1971-09-27 1971-09-27

Publications (1)

Publication Number Publication Date
US3739308A true US3739308A (en) 1973-06-12

Family

ID=22674678

Family Applications (1)

Application Number Title Priority Date Filing Date
US00183877A Expired - Lifetime US3739308A (en) 1971-09-27 1971-09-27 Electromagnetic switching device with movable ratchet

Country Status (5)

Country Link
US (1) US3739308A (cg-RX-API-DMAC7.html)
JP (1) JPS5613970B2 (cg-RX-API-DMAC7.html)
CA (1) CA962308A (cg-RX-API-DMAC7.html)
DE (1) DE2247338A1 (cg-RX-API-DMAC7.html)
GB (1) GB1357832A (cg-RX-API-DMAC7.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097702A (en) * 1977-06-27 1978-06-27 General Motors Corporation Cam actuated switch
WO2012148646A1 (en) 2011-04-27 2012-11-01 Allegro Microsystems, Inc. Circuits and methods for self-calibrating or self-testing a magnetic field sensor
US20170148597A1 (en) * 2014-07-04 2017-05-25 Lion Smart Gmbh Electric switching device for an energy accumulator in an electric vehicle

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS515332A (en) * 1974-07-03 1976-01-17 Sakurai Kenzai Sangyo Kk Konkuriitono hyomenshorihoho
JPS5486476A (en) * 1977-12-22 1979-07-10 Nittetsu Mining Co Ltd Apparatus for producing and dispersing fine bubbles
JPS60187509A (ja) * 1984-03-06 1985-09-25 西武建設株式会社 プレキヤストコンクリ−ト化粧擁壁の製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721914A (en) * 1954-10-25 1955-10-25 Robert K Cheltz Impulse or ratchet relay
US2892059A (en) * 1958-04-03 1959-06-23 Essex Wire Corp Operating mechanism for electric switches
US3137176A (en) * 1962-02-12 1964-06-16 Guardian Electric Mfg Co Ratchet relay with articulated driving mechanism
US3281565A (en) * 1965-07-01 1966-10-25 Cherry Electrical Prod External switch actuator
GB1046772A (en) * 1962-04-12 1966-10-26 Honeywell Controls Ltd Improvements in or relating to switch-actuating mechanisms

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS42663Y1 (cg-RX-API-DMAC7.html) * 1966-03-07 1967-01-17

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721914A (en) * 1954-10-25 1955-10-25 Robert K Cheltz Impulse or ratchet relay
US2892059A (en) * 1958-04-03 1959-06-23 Essex Wire Corp Operating mechanism for electric switches
US3137176A (en) * 1962-02-12 1964-06-16 Guardian Electric Mfg Co Ratchet relay with articulated driving mechanism
GB1046772A (en) * 1962-04-12 1966-10-26 Honeywell Controls Ltd Improvements in or relating to switch-actuating mechanisms
US3281565A (en) * 1965-07-01 1966-10-25 Cherry Electrical Prod External switch actuator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097702A (en) * 1977-06-27 1978-06-27 General Motors Corporation Cam actuated switch
WO2012148646A1 (en) 2011-04-27 2012-11-01 Allegro Microsystems, Inc. Circuits and methods for self-calibrating or self-testing a magnetic field sensor
US20170148597A1 (en) * 2014-07-04 2017-05-25 Lion Smart Gmbh Electric switching device for an energy accumulator in an electric vehicle
US10079129B2 (en) * 2014-07-04 2018-09-18 Lion Smart Gmbh Electric switching device for an energy accumulator in an electric vehicle

Also Published As

Publication number Publication date
JPS4841249A (cg-RX-API-DMAC7.html) 1973-06-16
DE2247338A1 (de) 1973-04-05
GB1357832A (en) 1974-06-26
JPS5613970B2 (cg-RX-API-DMAC7.html) 1981-04-01
CA962308A (en) 1975-02-04

Similar Documents

Publication Publication Date Title
US4296394A (en) Magnetic switching device for contact-dependent and contactless switching
US3739308A (en) Electromagnetic switching device with movable ratchet
US3857293A (en) Timer
US3499125A (en) Electric switch having fixed contacts engageable by rotatable and linearly movable bridging members
US3132220A (en) Acceleration switch
ES357072A1 (es) Perfeccionamientos en mecanismos interruptores.
US3824362A (en) Alternate action switch mechanism
US3253206A (en) Windshield wiper actuating mechanism
US3097278A (en) Rotary solenoid actuated switches
US3691333A (en) Alternate action mechanism
US2533187A (en) Double-acting solenoid
US3699277A (en) Timer with internal stop mechanism comprising annular ring structure interfitting complementary housing member
US4623763A (en) Rotary multi-contact switch
US3773996A (en) Pushbutton switch with coil spring contacts
GB896143A (en) Electromagnetic switch
US3233053A (en) Switch actuator responsive to direction of shaft rotation
US3154645A (en) Cam operated sequential switching device
US3496315A (en) Intervalometer with slide transfer switch
US3086094A (en) Magnetic switching device
US3629745A (en) Interrupter switch for rotary solenoid
US3405376A (en) Rotary stepping mechanism
US2627562A (en) Two-wire sequence relay
US3530346A (en) Electromagnetically displacing a shaft in stepwise increments
SU1487111A1 (ru) Быстродействующий выключателе
US3164733A (en) Rotary solenoid