US1728836A - Electric switch - Google Patents

Electric switch Download PDF

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Publication number
US1728836A
US1728836A US222891A US22289127A US1728836A US 1728836 A US1728836 A US 1728836A US 222891 A US222891 A US 222891A US 22289127 A US22289127 A US 22289127A US 1728836 A US1728836 A US 1728836A
Authority
US
United States
Prior art keywords
rod
contact
electric switch
plate
rollers
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
US222891A
Other languages
English (en)
Inventor
Charles F Schwennker
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Priority to US222891A priority Critical patent/US1728836A/en
Priority to FR660652D priority patent/FR660652A/fr
Priority to GB27898/28A priority patent/GB297846A/en
Application granted granted Critical
Publication of US1728836A publication Critical patent/US1728836A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/16—Contacts characterised by the manner in which co-operating contacts engage by abutting by rolling; by wrapping; Roller or ball contacts

Definitions

  • Th folles assembly is web oe; kes my bming that may oc- 75' in the casing Whilst the separate mers sngage on oppose sides he rmi @mi the csnsct pae sectfmsy me springs behind file paes being cons'zuced 'o pm?- duc@ the @quired Contact sganst to bemet.
  • An electric switch having a movable contact rod and a Xed contact comprising a contact plate, a plurality of rollers arranged to have rolling contact with the face of the plate and to be successively engaged by the contact rod, one of said rollers being displaced from the face of the plate when the rod is in open circuit position and means responsive to movement of another of said rollers for drawing said one roller from its displaced position to a position between the plate and thev rod.
  • An electric switch having a movable contact rod and fixed contact comprising a contact plate, a plurality of rollers arranged to make rolling contacts with the rod and the plate and means for withdrawing one of said rollers out of the path of the rod when the rod is being moved to ⁇ open circuit position.
  • An electric switch having a movable Contact rod and a fixed contact comprising a contact plate, a plurality of rollers arranged to make rolling contact with the plate and the rod and a member having a pocket arranged to receive one of said rollers and hold the same out of the path of the rod when the same is withdrawn' from the fixed contact.
  • An electric switch ⁇ having a fixed contact comprising a casing, a contact plate therein having a plurality of sections, resilient means between each section ⁇ and the casing, flexible conductors connecting together said sections, and a plurality of. ⁇
  • rollers adapted to engage on opposite sides the respective sections and a cooperating movable contact rod.
  • An electric switch having a fixed contact comprising a casing, a plurality of contact plates therein each having a plurality of sections, resilient means between each section and the casing, flexible conductorsconnecting together and to the casing, a plurality of sets of rollers adapted to engage the respective sections and to engage opposite sides of a cooperating movable contact rod and a roller retaining member arranged in the open circuit position of the rod to retain one roller of each set in a position laterally displaced from the plates and the rod.

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  • Railway Tracks (AREA)
US222891A 1927-09-29 1927-09-29 Electric switch Expired - Lifetime US1728836A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US222891A US1728836A (en) 1927-09-29 1927-09-29 Electric switch
FR660652D FR660652A (fr) 1927-09-29 1928-09-19 Perfectionnements apportés aux interrupteurs électriques
GB27898/28A GB297846A (en) 1927-09-29 1928-09-28 Improvements in and relating to electric switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US222891A US1728836A (en) 1927-09-29 1927-09-29 Electric switch

Publications (1)

Publication Number Publication Date
US1728836A true US1728836A (en) 1929-09-17

Family

ID=22834157

Family Applications (1)

Application Number Title Priority Date Filing Date
US222891A Expired - Lifetime US1728836A (en) 1927-09-29 1927-09-29 Electric switch

Country Status (3)

Country Link
US (1) US1728836A (fr)
FR (1) FR660652A (fr)
GB (1) GB297846A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1040653B (de) * 1953-11-03 1958-10-09 Calor Emag Elektrizitaets Ag Kontaktanordnung fuer elektrische Schalter, insbesondere Hochleistungsschalter

Also Published As

Publication number Publication date
GB297846A (en) 1929-11-07
FR660652A (fr) 1929-07-16

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