Corrosion-resistant self-locking manhole cover
A corrosion-resistant self-locking manhole cover includes a cover plate adapted to rest on a manhole cover support surface of a manhole frame. An anchor on the cover plate is adapted to engage the manhole frame at a first location in a manner that resists lifting of the cover plate proximate to such...
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| creator | NOLLE ERIC R SULLIVAN JEFFREY R |
| description | A corrosion-resistant self-locking manhole cover includes a cover plate adapted to rest on a manhole cover support surface of a manhole frame. An anchor on the cover plate is adapted to engage the manhole frame at a first location in a manner that resists lifting of the cover plate proximate to such location. A locking member on the cover plate is movable between a locked position and an unlocked position. In the locked position, the locking member is adapted to engage the manhole frame at a second location in a manner that resists lifting of the cover plate proximate to such location. In the unlocked position, the locking member is disengaged from the manhole frame. A quick-latch mechanism is operable without using a key or other tool to release the locking member from its unlocked position to allow the locking member to return to its locked position. |
| format | Patent |
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An anchor on the cover plate is adapted to engage the manhole frame at a first location in a manner that resists lifting of the cover plate proximate to such location. A locking member on the cover plate is movable between a locked position and an unlocked position. In the locked position, the locking member is adapted to engage the manhole frame at a second location in a manner that resists lifting of the cover plate proximate to such location. In the unlocked position, the locking member is disengaged from the manhole frame. A quick-latch mechanism is operable without using a key or other tool to release the locking member from its unlocked position to allow the locking member to return to its locked position.</description><language>eng</language><subject>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS ; CONVEYING ; EMBANKMENTS ; EXCAVATIONS ; FIXED CONSTRUCTIONS ; FOUNDATIONS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HANDLING THIN OR FILAMENTARY MATERIAL ; HYDRAULIC ENGINEERING ; PACKAGES ; PACKAGING ELEMENTS ; PACKING ; PERFORMING OPERATIONS ; SOIL SHIFTING ; STORING ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TRANSPORTING ; UNDERGROUND OR UNDERWATER STRUCTURES</subject><creationdate>2015</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&date=20151013&DB=EPODOC&CC=US&NR=9157212B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151013&DB=EPODOC&CC=US&NR=9157212B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NOLLE ERIC R</creatorcontrib><creatorcontrib>SULLIVAN JEFFREY R</creatorcontrib><title>Corrosion-resistant self-locking manhole cover</title><description>A corrosion-resistant self-locking manhole cover includes a cover plate adapted to rest on a manhole cover support surface of a manhole frame. 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A quick-latch mechanism is operable without using a key or other tool to release the locking member from its unlocked position to allow the locking member to return to its locked position.</description><subject>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR</subject><subject>CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS</subject><subject>CONVEYING</subject><subject>EMBANKMENTS</subject><subject>EXCAVATIONS</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FOUNDATIONS</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HANDLING THIN OR FILAMENTARY MATERIAL</subject><subject>HYDRAULIC ENGINEERING</subject><subject>PACKAGES</subject><subject>PACKAGING ELEMENTS</subject><subject>PACKING</subject><subject>PERFORMING OPERATIONS</subject><subject>SOIL SHIFTING</subject><subject>STORING</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TRANSPORTING</subject><subject>UNDERGROUND OR UNDERWATER STRUCTURES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNBzzi8qyi_OzM_TLUotziwuScwrUShOzUnTzclPzs7MS1fITczLyM9JVUjOL0st4mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8aHBloam5kaGRk5GxkQoAQDk5SrG</recordid><startdate>20151013</startdate><enddate>20151013</enddate><creator>NOLLE ERIC R</creator><creator>SULLIVAN JEFFREY R</creator><scope>EVB</scope></search><sort><creationdate>20151013</creationdate><title>Corrosion-resistant self-locking manhole cover</title><author>NOLLE ERIC R ; SULLIVAN JEFFREY R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9157212B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR</topic><topic>CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS</topic><topic>CONVEYING</topic><topic>EMBANKMENTS</topic><topic>EXCAVATIONS</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FOUNDATIONS</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HANDLING THIN OR FILAMENTARY MATERIAL</topic><topic>HYDRAULIC ENGINEERING</topic><topic>PACKAGES</topic><topic>PACKAGING ELEMENTS</topic><topic>PACKING</topic><topic>PERFORMING OPERATIONS</topic><topic>SOIL SHIFTING</topic><topic>STORING</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TRANSPORTING</topic><topic>UNDERGROUND OR UNDERWATER STRUCTURES</topic><toplevel>online_resources</toplevel><creatorcontrib>NOLLE ERIC R</creatorcontrib><creatorcontrib>SULLIVAN JEFFREY R</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NOLLE ERIC R</au><au>SULLIVAN JEFFREY R</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Corrosion-resistant self-locking manhole cover</title><date>2015-10-13</date><risdate>2015</risdate><abstract>A corrosion-resistant self-locking manhole cover includes a cover plate adapted to rest on a manhole cover support surface of a manhole frame. An anchor on the cover plate is adapted to engage the manhole frame at a first location in a manner that resists lifting of the cover plate proximate to such location. A locking member on the cover plate is movable between a locked position and an unlocked position. In the locked position, the locking member is adapted to engage the manhole frame at a second location in a manner that resists lifting of the cover plate proximate to such location. In the unlocked position, the locking member is disengaged from the manhole frame. A quick-latch mechanism is operable without using a key or other tool to release the locking member from its unlocked position to allow the locking member to return to its locked position.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HANDLING THIN OR FILAMENTARY MATERIAL HYDRAULIC ENGINEERING PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SOIL SHIFTING STORING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING UNDERGROUND OR UNDERWATER STRUCTURES |
| title | Corrosion-resistant self-locking manhole cover |
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