DEVICE FOR VERTICALLY ADJUSTING SCREED OF ROAD PAVING MACHINE

PROBLEM TO BE SOLVED: To enhance accuracy of vertical adjustment of a lower screed, and realize reduction in weight and size of a device for vertically adjusting the screed. SOLUTION: This device for vertically adjusting the screed of a road paving machine has the lower screeds 11A and 11B and an up...

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Bibliographische Detailangaben
Hauptverfasser:	KOBAYASHI SATOSHI, FUJIEDA TAKAYUKI, HANEDA SEIJI, INOUE AKIRA, MIYAMOTO YUHIKO, SUGI YOSHIHIRO, YAMAMOTO SHINJI
Format:	Patent
Sprache:	eng
Schlagworte:	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE FIXED CONSTRUCTIONS MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To enhance accuracy of vertical adjustment of a lower screed, and realize reduction in weight and size of a device for vertically adjusting the screed. SOLUTION: This device for vertically adjusting the screed of a road paving machine has the lower screeds 11A and 11B and an upper screed 12 supported by a common screed arm 14. A lower end of a screw shaft 18 for vertical adjustment is screwed into a holding member 15 for holding the lower screeds 11A and 11B or the upper screed 12. In addition, the screed arm 14 includes a link mechanism 25 for supporting the lower screeds 11A and 11B in a vertically-rotatable manner. When the screw shaft 18 is rotatively driven by a motor 20, the vertical position of the lower screeds 11A and 11B can be accurately adjusted. COPYRIGHT: (C)2010,JPO&INPIT