Apparatus for digging trenches
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United States of America Patent
Stats
-
N/A
Issued Date -
Aug 16, 2001
app pub date -
Apr 19, 2001
filing date -
Feb 26, 1996
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus for digging a trench including (a) a substantial vertical guide means (2); (b) mounting means (4) connected to the guide means (2) and movable substantially parallel to the guide means (2); (c) first drive means to move the mounting means (4) relative to the guide means (2); (d) a chain digger attachment (1) including an elongated frame (5) and a continuous digging chain (6) substantially surrounding the periphery of the frame (5), the attachment (1) being pivotally connected at or adjacent one of its ends to the mounting means (4); (e) second drive means (15) to rotate the continuous digging chain (6) about the frame (5); and (f) third drive means (24) to pivot the attachment (1) about the mounting means (4).
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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