TREADLE OPERATED CONTROL

A foot control of the treadle operated type has a latching mechanism which normally latches the treadle in an inoperative position and which must be released before the treadle can be moved to an operative position. The latch mechanism includes a latch plate which, as the latch mechanism is being se...

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description A foot control of the treadle operated type has a latching mechanism which normally latches the treadle in an inoperative position and which must be released before the treadle can be moved to an operative position. The latch mechanism includes a latch plate which, as the latch mechanism is being set to latch the treadle in its inoperative position, is moved to a restricting position wherein it restricts access to the treadle by the foot of an operator or by a foreign object. The latch plate is yieldably constrained to restricting position after the latch mechanism is set, and must be moved out of its restricting position to re-establish free access to the treadle and release the latch mechanism. The direction in which the latch plate must be moved for moving it out of its restricting position is opposite from the direction in which the treadle must be moved to reach its operative position.
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The latch mechanism includes a latch plate which, as the latch mechanism is being set to latch the treadle in its inoperative position, is moved to a restricting position wherein it restricts access to the treadle by the foot of an operator or by a foreign object. The latch plate is yieldably constrained to restricting position after the latch mechanism is set, and must be moved out of its restricting position to re-establish free access to the treadle and release the latch mechanism. The direction in which the latch plate must be moved for moving it out of its restricting position is opposite from the direction in which the treadle must be moved to reach its operative position.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BYMECHANICAL FEATURES ONLY ; CONTROLLING ; ELECTRIC SWITCHES ; ELECTRICITY ; EMERGENCY PROTECTIVE DEVICES ; PHYSICS ; REGULATING ; RELAYS ; SELECTORS</subject><creationdate>1976</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=19760825&amp;DB=EPODOC&amp;CC=ZA&amp;NR=755859B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19760825&amp;DB=EPODOC&amp;CC=ZA&amp;NR=755859B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GROBE D</creatorcontrib><title>TREADLE OPERATED CONTROL</title><description>A foot control of the treadle operated type has a latching mechanism which normally latches the treadle in an inoperative position and which must be released before the treadle can be moved to an operative position. The latch mechanism includes a latch plate which, as the latch mechanism is being set to latch the treadle in its inoperative position, is moved to a restricting position wherein it restricts access to the treadle by the foot of an operator or by a foreign object. The latch plate is yieldably constrained to restricting position after the latch mechanism is set, and must be moved out of its restricting position to re-establish free access to the treadle and release the latch mechanism. 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The latch mechanism includes a latch plate which, as the latch mechanism is being set to latch the treadle in its inoperative position, is moved to a restricting position wherein it restricts access to the treadle by the foot of an operator or by a foreign object. The latch plate is yieldably constrained to restricting position after the latch mechanism is set, and must be moved out of its restricting position to re-establish free access to the treadle and release the latch mechanism. The direction in which the latch plate must be moved for moving it out of its restricting position is opposite from the direction in which the treadle must be moved to reach its operative position.</abstract><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BYMECHANICAL FEATURES ONLY
CONTROLLING
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
PHYSICS
REGULATING
RELAYS
SELECTORS
title TREADLE OPERATED CONTROL
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