DIGGING AND BACKFILL APPARATUS
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United States of America Patent
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Issued Date -
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app pub date -
Jan 28, 2009
filing date -
Oct 22, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A mobile digging and backfill system for removing and collecting material above a buried utility. The system comprises a mobile chassis, a collection tank mounted to the chassis, a water pump mounted to the chassis for delivering a pressurized liquid flow against the material for loosening the material at a location, a vacuum pump connected to the collection tank so that an air stream created by the vacuum pump draws the material and the fluid from the location into the collection tank, and at least one backfill reservoir mounted to the chassis for carrying backfill for placement at the location.
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