IT201700077454A1 - Contatto elettrico di sicurezza con azionamento mediante chiave di azionamento asportabile - Google Patents

Contatto elettrico di sicurezza con azionamento mediante chiave di azionamento asportabile

Info

Publication number
IT201700077454A1
IT201700077454A1 IT102017000077454A IT201700077454A IT201700077454A1 IT 201700077454 A1 IT201700077454 A1 IT 201700077454A1 IT 102017000077454 A IT102017000077454 A IT 102017000077454A IT 201700077454 A IT201700077454 A IT 201700077454A IT 201700077454 A1 IT201700077454 A1 IT 201700077454A1
Authority
IT
Italy
Prior art keywords
drive
electrical safety
safety contact
removable key
removable
Prior art date
Application number
IT102017000077454A
Other languages
English (en)
Inventor
Andrea Traunero
Original Assignee
Astra S R L
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 Astra S R L filed Critical Astra S R L
Priority to IT102017000077454A priority Critical patent/IT201700077454A1/it
Publication of IT201700077454A1 publication Critical patent/IT201700077454A1/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • 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
    • H01H1/18—Contacts characterised by the manner in which co-operating contacts engage by abutting with subsequent sliding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/002—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings wherein one single insertion movement of a key comprises an unlocking stroke and a switch actuating stroke, e.g. security switch for safety guards
    • 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
    • H01H1/20—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H2009/288—Provisions relating to welded contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
    • H01H2013/525—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch using a return spring acting perpendicular to the actuating direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
IT102017000077454A 2017-07-10 2017-07-10 Contatto elettrico di sicurezza con azionamento mediante chiave di azionamento asportabile IT201700077454A1 (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT102017000077454A IT201700077454A1 (it) 2017-07-10 2017-07-10 Contatto elettrico di sicurezza con azionamento mediante chiave di azionamento asportabile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000077454A IT201700077454A1 (it) 2017-07-10 2017-07-10 Contatto elettrico di sicurezza con azionamento mediante chiave di azionamento asportabile

Publications (1)

Publication Number Publication Date
IT201700077454A1 true IT201700077454A1 (it) 2019-01-10

Family

ID=61005904

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102017000077454A IT201700077454A1 (it) 2017-07-10 2017-07-10 Contatto elettrico di sicurezza con azionamento mediante chiave di azionamento asportabile

Country Status (1)

Country Link
IT (1) IT201700077454A1 (it)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59203315A (ja) * 1983-04-30 1984-11-17 松下電工株式会社 両切型接点開閉装置
US5964342A (en) * 1997-11-25 1999-10-12 Hans Bernstein Spezialfabrik Fur Schaltkontakte Gmbh & Co. Safety switch
ITMI20110042A1 (it) * 2011-01-18 2012-07-19 Astra Srl Contatto elettrico

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59203315A (ja) * 1983-04-30 1984-11-17 松下電工株式会社 両切型接点開閉装置
US5964342A (en) * 1997-11-25 1999-10-12 Hans Bernstein Spezialfabrik Fur Schaltkontakte Gmbh & Co. Safety switch
ITMI20110042A1 (it) * 2011-01-18 2012-07-19 Astra Srl Contatto elettrico

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