Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Patent
1993-12-07
1995-08-29
Huppert, Michael S.
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
414550, 212232, B60P 154
Patent
active
054454875
ABSTRACT:
A boom lift apparatus includes a boom assembly having an elongated lower mast member, an elongated upper boom member and a coupler member connected to a lower end of the upper boom member and an upper end of the lower mast member such that the upper boom member extends in a cantilevered inclined relationship to the lower mast member, and a plurality of different mounting members, each being adapted to mount the boom assembly at a lower end of the lower mast member to a different one of a plurality of different support structures.
REFERENCES:
patent: 2509950 (1950-05-01), Zierke
patent: 2661854 (1953-12-01), Adams
patent: 2947425 (1960-08-01), Nichols
patent: 3306467 (1967-02-01), Weempe
patent: 3899089 (1975-08-01), Wardlaw
patent: 4069922 (1978-01-01), Hawkins
patent: 4671731 (1987-06-01), Harlan
patent: 5064078 (1991-11-01), Van Staveren
patent: 5211526 (1993-05-01), Rabinette
patent: 5281078 (1994-01-01), Mills, Jr.
Publication Entitled "Rescue & Retrieval Systems"-DBl/Sala.TM. L1850 Davit Arm, 1 page.
Flanagan John R.
Huppert Michael S.
Keenan James W.
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