Double eccentric positioning apparatus
A double eccentric positioning apparatus uses two equal offset eccentric bushings to accurately position a tool in two dimensions. Miniature servo motors and precise gearing control the rotation of each eccentric bushing, which controls the direction of the offset vectors. The offset vectors are use...
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| creator | Collins Ronald J Favilla Stephan J Merkley Alan Ray Lagally Christie Dusty |
| description | A double eccentric positioning apparatus uses two equal offset eccentric bushings to accurately position a tool in two dimensions. Miniature servo motors and precise gearing control the rotation of each eccentric bushing, which controls the direction of the offset vectors. The offset vectors are used to determine the final position of the drill bushing. The desired rotation angles can be mathematically calculated based on desired position. The inner eccentric bushing is located concentric to the offset of the outer eccentric bushing. This allows any position, within a radius of two times the eccentric offset, to be achieved. The use of worm gearing on the eccentric bushings prevents back-driving of the servo motors, due to the lead angle of the worm gears, and the friction between the worm wheel and worm gear. |
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Miniature servo motors and precise gearing control the rotation of each eccentric bushing, which controls the direction of the offset vectors. The offset vectors are used to determine the final position of the drill bushing. The desired rotation angles can be mathematically calculated based on desired position. The inner eccentric bushing is located concentric to the offset of the outer eccentric bushing. This allows any position, within a radius of two times the eccentric offset, to be achieved. The use of worm gearing on the eccentric bushings prevents back-driving of the servo motors, due to the lead angle of the worm gears, and the friction between the worm wheel and worm gear.</description><language>eng</language><subject>BLASTING ; BORING ; CALCULATING ; COMPUTING ; CONTROL OR REGULATING SYSTEMS IN GENERAL ; CONTROLLING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; ENGINEERING ELEMENTS AND UNITS ; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS ; GEARING ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MACHINE TOOLS ; MECHANICAL ENGINEERING ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS ; PERFORMING OPERATIONS ; PHYSICS ; REGULATING ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; TURNING ; WEAPONS</subject><creationdate>2017</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=20170221&DB=EPODOC&CC=US&NR=9573198B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170221&DB=EPODOC&CC=US&NR=9573198B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Collins Ronald J</creatorcontrib><creatorcontrib>Favilla Stephan J</creatorcontrib><creatorcontrib>Merkley Alan Ray</creatorcontrib><creatorcontrib>Lagally Christie Dusty</creatorcontrib><title>Double eccentric positioning apparatus</title><description>A double eccentric positioning apparatus uses two equal offset eccentric bushings to accurately position a tool in two dimensions. Miniature servo motors and precise gearing control the rotation of each eccentric bushing, which controls the direction of the offset vectors. The offset vectors are used to determine the final position of the drill bushing. The desired rotation angles can be mathematically calculated based on desired position. The inner eccentric bushing is located concentric to the offset of the outer eccentric bushing. This allows any position, within a radius of two times the eccentric offset, to be achieved. The use of worm gearing on the eccentric bushings prevents back-driving of the servo motors, due to the lead angle of the worm gears, and the friction between the worm wheel and worm gear.</description><subject>BLASTING</subject><subject>BORING</subject><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>CONTROL OR REGULATING SYSTEMS IN GENERAL</subject><subject>CONTROLLING</subject><subject>COUNTING</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FUNCTIONAL ELEMENTS OF SUCH SYSTEMS</subject><subject>GEARING</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINE TOOLS</subject><subject>MECHANICAL ENGINEERING</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>REGULATING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>TURNING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFBzyS9NyklVSE1OTs0rKcpMVijIL84syczPy8xLV0gsKEgsSiwpLeZhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYlA3akl8aHBlqbmxoaWFk6GxkQoAQBV6Sfg</recordid><startdate>20170221</startdate><enddate>20170221</enddate><creator>Collins Ronald J</creator><creator>Favilla Stephan J</creator><creator>Merkley Alan Ray</creator><creator>Lagally Christie Dusty</creator><scope>EVB</scope></search><sort><creationdate>20170221</creationdate><title>Double eccentric positioning apparatus</title><author>Collins Ronald J ; Favilla Stephan J ; Merkley Alan Ray ; Lagally Christie Dusty</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9573198B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2017</creationdate><topic>BLASTING</topic><topic>BORING</topic><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>CONTROL OR REGULATING SYSTEMS IN GENERAL</topic><topic>CONTROLLING</topic><topic>COUNTING</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FUNCTIONAL ELEMENTS OF SUCH SYSTEMS</topic><topic>GEARING</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINE TOOLS</topic><topic>MECHANICAL ENGINEERING</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>REGULATING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>TURNING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>Collins Ronald J</creatorcontrib><creatorcontrib>Favilla Stephan J</creatorcontrib><creatorcontrib>Merkley Alan Ray</creatorcontrib><creatorcontrib>Lagally Christie Dusty</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Collins Ronald J</au><au>Favilla Stephan J</au><au>Merkley Alan Ray</au><au>Lagally Christie Dusty</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Double eccentric positioning apparatus</title><date>2017-02-21</date><risdate>2017</risdate><abstract>A double eccentric positioning apparatus uses two equal offset eccentric bushings to accurately position a tool in two dimensions. Miniature servo motors and precise gearing control the rotation of each eccentric bushing, which controls the direction of the offset vectors. The offset vectors are used to determine the final position of the drill bushing. The desired rotation angles can be mathematically calculated based on desired position. The inner eccentric bushing is located concentric to the offset of the outer eccentric bushing. This allows any position, within a radius of two times the eccentric offset, to be achieved. The use of worm gearing on the eccentric bushings prevents back-driving of the servo motors, due to the lead angle of the worm gears, and the friction between the worm wheel and worm gear.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING BORING CALCULATING COMPUTING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COUNTING ELECTRIC DIGITAL DATA PROCESSING ENGINEERING ELEMENTS AND UNITS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING THERMAL INSULATION IN GENERAL TRANSPORTING TURNING WEAPONS |
| title | Double eccentric positioning apparatus |
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