Moulded case circuit breaker with reduced contact mounts

Moulded case circuit breaker with reduced contact mounts

The circuit breaker has a shortened contact separation distance upon manual operation to reduce the stresses imposed upon the breaker operating mechanism when the breaker is manually operated to open or close the contacts. A camming surface is provided on the cradle operator to provide a stop for th...

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Hauptverfasser: ARNOLD DAVID, KLEIN KEITH WILLIAM
Format: Patent
Sprache:eng ; ita
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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creator ARNOLD DAVID
KLEIN KEITH WILLIAM
description The circuit breaker has a shortened contact separation distance upon manual operation to reduce the stresses imposed upon the breaker operating mechanism when the breaker is manually operated to open or close the contacts. A camming surface is provided on the cradle operator to provide a stop for the toggle pin both upon opening as well as upon closing the contacts. Decreased separation occurs between the contacts upon manual operation. The decreased stresses on the mechanism correspondingly allows for a reduction in the material strength and mass of the breaker flexible connectors, operating springs, and contacts.
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A camming surface is provided on the cradle operator to provide a stop for the toggle pin both upon opening as well as upon closing the contacts. Decreased separation occurs between the contacts upon manual operation. The decreased stresses on the mechanism correspondingly allows for a reduction in the material strength and mass of the breaker flexible connectors, operating springs, and contacts.</description><edition>4</edition><language>eng ; ita</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRIC SWITCHES ; ELECTRICITY ; EMERGENCY PROTECTIVE DEVICES ; RELAYS ; SELECTORS</subject><creationdate>1988</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19880107&amp;DB=EPODOC&amp;CC=IT&amp;NR=1188273B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19880107&amp;DB=EPODOC&amp;CC=IT&amp;NR=1188273B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ARNOLD DAVID</creatorcontrib><creatorcontrib>KLEIN KEITH WILLIAM</creatorcontrib><title>Moulded case circuit breaker with reduced contact mounts</title><description>The circuit breaker has a shortened contact separation distance upon manual operation to reduce the stresses imposed upon the breaker operating mechanism when the breaker is manually operated to open or close the contacts. A camming surface is provided on the cradle operator to provide a stop for the toggle pin both upon opening as well as upon closing the contacts. Decreased separation occurs between the contacts upon manual operation. The decreased stresses on the mechanism correspondingly allows for a reduction in the material strength and mass of the breaker flexible connectors, operating springs, and contacts.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRIC SWITCHES</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE DEVICES</subject><subject>RELAYS</subject><subject>SELECTORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1988</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDwzS_NSUlNUUhOLE5VSM4sSi7NLFFIKkpNzE4tUijPLMlQKEpNKU0GqcjPK0lMLlHIzS_NKynmYWBNS8wpTuWF0twM8m6uIc4euqkF-fGpxQWJyal5qSXxniGGhhYWRubGTsaEVQAAXKktsA</recordid><startdate>19880107</startdate><enddate>19880107</enddate><creator>ARNOLD DAVID</creator><creator>KLEIN KEITH WILLIAM</creator><scope>EVB</scope></search><sort><creationdate>19880107</creationdate><title>Moulded case circuit breaker with reduced contact mounts</title><author>ARNOLD DAVID ; KLEIN KEITH WILLIAM</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_IT1188273B3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ita</language><creationdate>1988</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>ELECTRIC SWITCHES</topic><topic>ELECTRICITY</topic><topic>EMERGENCY PROTECTIVE DEVICES</topic><topic>RELAYS</topic><topic>SELECTORS</topic><toplevel>online_resources</toplevel><creatorcontrib>ARNOLD DAVID</creatorcontrib><creatorcontrib>KLEIN KEITH WILLIAM</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ARNOLD DAVID</au><au>KLEIN KEITH WILLIAM</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Moulded case circuit breaker with reduced contact mounts</title><date>1988-01-07</date><risdate>1988</risdate><abstract>The circuit breaker has a shortened contact separation distance upon manual operation to reduce the stresses imposed upon the breaker operating mechanism when the breaker is manually operated to open or close the contacts. A camming surface is provided on the cradle operator to provide a stop for the toggle pin both upon opening as well as upon closing the contacts. Decreased separation occurs between the contacts upon manual operation. The decreased stresses on the mechanism correspondingly allows for a reduction in the material strength and mass of the breaker flexible connectors, operating springs, and contacts.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
title Moulded case circuit breaker with reduced contact mounts
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