作者: Martin P. Schrepfer
DOI:
关键词: Engineering 、 Compaction 、 Actuator 、 Structural engineering 、 Raising (metalworking) 、 Linkage (mechanical)
摘要: An earth compacting apparatus for mounting at one end of an working vehicle comprises a plurality separate compaction units and pivotal linkage pivotally the side by on vehicle. actuator assembly operates independently raising lowering each unit between raised, inoperative position lowered in contact with ground. The also provides downward pressure position.