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Title: Excavator attachment for boom structure

Abstract: An excavating device is disclosed which is capable of attachment to a conventional hydraulic boom structure having a power-driven winch cable. The device has a bucket pivotably mounted thereon, such that when the device is attached to the boom structure in a first mode, the bucket can be driven by the winch cable as a shovel and when attached to the boom structure in a second mode, the bucket can be driven by the winch cable as a back hoe.


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Inventors: Avara, Teddy Walter (Clinton, MS, US)

Application Number: 701681
Filing Date: 1976-07-01
Publication_date: 1977-07-19
Assignee:
Primary Class(es): 37/396 37/443, 414/686, 414/694, 414/722
Other Classes:
US Patent Ref:
3049252Aug, 1962Noll37/103.
3184085May, 1965Randall et al.37/103.

Other Refs: 1,304,0731,305,68699,92358,9541,049,3081,244,354
Jul, 1961FR
Oct, 1961IT
Mar, 1962NO
Jan, 1970PO
Nov, 1966UK
Sep, 1971UK

Primary Examiner: Eickhoff, E. H.
Assistant Examiner:
Attorney: