Earth working machines
First Claim
1. EARTHWORKING APPARATUS COMPRISING A BODY, AN EARTH SCRAPING IMPLEMENT MOUNTED ON SAID BODY FOR ANGULARLY ADJUSTABLE MOVEMENT ABOUT AN UPRIGHT AXIS, AN EARTH SCARIFYING IMPLEMENT CARRIED BY THE BODY AND MOVABLE BETWEEN A LOWERED OPERATIVE POSITION AND A RAISED OUTOF-USE POSITION, SAID IMPLEMENTS BEING SPACED APART FOREAND-AFT ON SAID BODY IN THE DIRECTION OF TRAVEL, SAID SCARIFYING IMPLEMENT IN ITS RAISED POSITION BEING CLEAR OF THE SCRAPER IMPLEMENT IN ANY ANGULAR POSITION THEREOF, AND FURTHER INCLUDING A LINKAGE SYSTEM INTERCONNECTING THE SCARIFYING IMPLEMENT WITH SAID BODY, SAID LINKAGE SYSTEM HAVING A FRAMEWORK PIVOTALLY CONNECTED AT ONE END WITH THE BODY AND PIVOTALLY CONNECTED AT ITS OTHER END WITH THE SCARIFYING IMPLEMENT, SAID FRAMEWORK BEING REARWARDLY AND DOWNWARDLY INCLINED WHEN THE SCARIFYING IMPLEMENT IS IN ITS OPERATIVE POSITION, AND AN UPRIGHT LINK PIVOTALLY INTERCONNECTING THE BODY AND THE SCARIFYING IMPLEMENT OPERABLE TO PIVOT THE SCARIFYING IMPLEMENT RELATIVE TO THE FRAMEWORK AS THE SCARIFYING IMPLEMENT MOVES TO ITS RAISED POSITION.
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Accused Products
18 Citations
1 Claim
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1. EARTHWORKING APPARATUS COMPRISING A BODY, AN EARTH SCRAPING IMPLEMENT MOUNTED ON SAID BODY FOR ANGULARLY ADJUSTABLE MOVEMENT ABOUT AN UPRIGHT AXIS, AN EARTH SCARIFYING IMPLEMENT CARRIED BY THE BODY AND MOVABLE BETWEEN A LOWERED OPERATIVE POSITION AND A RAISED OUTOF-USE POSITION, SAID IMPLEMENTS BEING SPACED APART FOREAND-AFT ON SAID BODY IN THE DIRECTION OF TRAVEL, SAID SCARIFYING IMPLEMENT IN ITS RAISED POSITION BEING CLEAR OF THE SCRAPER IMPLEMENT IN ANY ANGULAR POSITION THEREOF, AND FURTHER INCLUDING A LINKAGE SYSTEM INTERCONNECTING THE SCARIFYING IMPLEMENT WITH SAID BODY, SAID LINKAGE SYSTEM HAVING A FRAMEWORK PIVOTALLY CONNECTED AT ONE END WITH THE BODY AND PIVOTALLY CONNECTED AT ITS OTHER END WITH THE SCARIFYING IMPLEMENT, SAID FRAMEWORK BEING REARWARDLY AND DOWNWARDLY INCLINED WHEN THE SCARIFYING IMPLEMENT IS IN ITS OPERATIVE POSITION, AND AN UPRIGHT LINK PIVOTALLY INTERCONNECTING THE BODY AND THE SCARIFYING IMPLEMENT OPERABLE TO PIVOT THE SCARIFYING IMPLEMENT RELATIVE TO THE FRAMEWORK AS THE SCARIFYING IMPLEMENT MOVES TO ITS RAISED POSITION.
Specification
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Current AssigneeLouis Perold
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Original AssigneeLouis Perold
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InventorsLOUIS PEROLD
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Application NumberUS04/428,636Time in Patent Office866 DaysField of SearchUS Class Current172/136CPC Class CodesA01B 31/00 Drags graders for field cul...E02F 3/7604 Combinations of scraper bla...E02F 3/7663 Graders with the scraper bl...
