DOOR CLOSER AND HOLDER
A door closer and holder comprises a cylinder shell having a piston sealingly reciprocable therein. A spring biases the piston toward one end of the shell, and the piston is connected through the ususal apparatus to the door. At the one end the operating rod of a shuttle valve extends into the shell...
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| creator | JEFFERY M. SIMPSON CLAY E. TULLY |
| description | A door closer and holder comprises a cylinder shell having a piston sealingly reciprocable therein. A spring biases the piston toward one end of the shell, and the piston is connected through the ususal apparatus to the door. At the one end the operating rod of a shuttle valve extends into the shell and is engaged by the piston as it approaches the end. The shuttle valve selectively directs the return fluid flow through sweep- and latch-control valves. The assembly also includes a solenoid-operated "bullet" which closes off the return flow to hold the door open. The angle of the openness at which the door is held may be selected by setting a cam on the holder drive pinion which engages a switch to activate the solenoid. |
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At the one end the operating rod of a shuttle valve extends into the shell and is engaged by the piston as it approaches the end. The shuttle valve selectively directs the return fluid flow through sweep- and latch-control valves. The assembly also includes a solenoid-operated "bullet" which closes off the return flow to hold the door open. The angle of the openness at which the door is held may be selected by setting a cam on the holder drive pinion which engages a switch to activate the solenoid.</description><edition>5</edition><language>eng</language><subject>CHECKS FOR WINGS ; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION ; FIXED CONSTRUCTIONS ; KEYS ; LOCKS ; SAFES ; WINDOW OR DOOR FITTINGS ; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING</subject><creationdate>1991</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=19911212&DB=EPODOC&CC=AU&NR=618211B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19911212&DB=EPODOC&CC=AU&NR=618211B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JEFFERY M. 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The angle of the openness at which the door is held may be selected by setting a cam on the holder drive pinion which engages a switch to activate the solenoid.</description><subject>CHECKS FOR WINGS</subject><subject>DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION</subject><subject>FIXED CONSTRUCTIONS</subject><subject>KEYS</subject><subject>LOCKS</subject><subject>SAFES</subject><subject>WINDOW OR DOOR FITTINGS</subject><subject>WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1991</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBBz8fcPUnD28Q92DVJw9HNR8PD3cXEN4mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8Y6hZoYWRoaGTk5GxkQoAQBnYR6i</recordid><startdate>19911212</startdate><enddate>19911212</enddate><creator>JEFFERY M. SIMPSON</creator><creator>CLAY E. 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TULLY</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>JEFFERY M. SIMPSON</au><au>CLAY E. TULLY</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DOOR CLOSER AND HOLDER</title><date>1991-12-12</date><risdate>1991</risdate><abstract>A door closer and holder comprises a cylinder shell having a piston sealingly reciprocable therein. A spring biases the piston toward one end of the shell, and the piston is connected through the ususal apparatus to the door. At the one end the operating rod of a shuttle valve extends into the shell and is engaged by the piston as it approaches the end. The shuttle valve selectively directs the return fluid flow through sweep- and latch-control valves. The assembly also includes a solenoid-operated "bullet" which closes off the return flow to hold the door open. The angle of the openness at which the door is held may be selected by setting a cam on the holder drive pinion which engages a switch to activate the solenoid.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION FIXED CONSTRUCTIONS KEYS LOCKS SAFES WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING |
| title | DOOR CLOSER AND HOLDER |
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