B - Operations – Transporting – 66 – C
Patent
B - Operations, Transporting
66
C
212/28
B66C 23/04 (2006.01)
Patent
CA 1137032
ABSTRACT OF THE DISCLOSURE An upright including upper and lower end portions is provided and support structure is carried by the lower end portion of the upright for support of the latter from one end of a vehicle. A boom including base and free end portions has its base end portion pivotally supported from the upper end portion of the upright for oscillation relative thereto about a horizontal axis extending transversely of the upright and the boom, and motor structure is operably connected between the upright and the base end portion of the boom for oscillating the boom relative to the upright. The support structure on a first disclosed form of the invention is operative to utilize the boom mounting structure of a backhoe for support of the upright from a backhoe vehicle in lieu of the backhoe boom and the support structure on a second form of the invention includes a hitch frame for removably supporting the upright from the three-point hitch of a tractor. The boom is extendible and includes a hydraulic cylinder for extension and retraction of the boom and operably connected between the base and extendible end portions of the boom in a manner designed to afford more efficient and reliable extension and retraction of the boom.
368622
Macrae & Co.
Trac-Back Corporation
LandOfFree
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