Traversing hoists – Having vertically swinging boom – And trolley
Patent
1990-11-29
1991-10-01
Peters, Jr., Joseph F.
Traversing hoists
Having vertically swinging boom
And trolley
212265, 212260, 212244, B66C 700, B66C 2326
Patent
active
050525662
ABSTRACT:
An apparatus including a central vertical support post, including a plurality of support legs orthogonally mounted to a lower end of the support post. The support post pivotally mounts a support boom at an upper end thereof, with a rear terminal end of the support boom including a plurality of chain members, with lower ends of the chain members mounted to a lower chain support beam that is orthogonally mounted to a telescoping portion of a jack member. The apparatus includes an engine support plate mounted upon a forward face of the support post. A modification of the invention includes the support post oriented at an obtuse angle relative to the support legs pivotally mounting the support boom at a rear terminal end of the support boom, with the jack member positioned medially of the support boom between the support boom and the engine support plate.
REFERENCES:
patent: 258403 (1882-05-01), Frisbie
patent: 703444 (1902-07-01), Murphy
patent: 800723 (1905-10-01), Curtis
patent: 1128569 (1915-02-01), Arnold
patent: 2858946 (1958-11-01), Breed
patent: 3275296 (1966-09-01), Meyer
patent: 4090625 (1978-05-01), Walters
patent: 4749324 (1988-06-01), Rulison
Gilden Leon
Johnson R. B.
Peters Jr. Joseph F.
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