Crane

Details Crane Crane

1990-01-22

1991-07-09

Peters, Jr., Joseph F.

Traversing hoists

Having horizontally swinging boom or bridge

Extensible by movement of boom or boom segment along...

414467, 414921, 212255, 212261, 212204, B66C 2304, B60P 104

Patent

active

050297171

ABSTRACT:
A crane or lifting device includes a base assembly with a telescopic and rotatable column mounting a boom assembly including a telescopic boom arm. A strap is connected at one end thereof to the base assembly, extends through the boom arm, and is connected at another end thereof to a hook for engaging a load. An extensible/retractable jack assembly innerconnects the column and the boom arm for raising and lowering the boom arm. The crane can be mounted in an automobile trunk for raising and lowering the boom assembly.

REFERENCES:
patent: 312423 (1885-02-01), Bezancon
patent: 348726 (1986-09-01), Driver
patent: 505654 (1893-09-01), Hale
patent: 548375 (1895-10-01), Loveridge
patent: 1134707 (1915-04-01), Stone
patent: 2272949 (1942-02-01), Kidder
patent: 2389872 (1945-11-01), Ruger et al.
patent: 2509950 (1950-05-01), Zierke
patent: 2528588 (1956-11-01), Forslund
patent: 2796996 (1957-06-01), Sundin
patent: 3181707 (1965-05-01), Janssen
patent: 3301416 (1967-01-01), Bopp
patent: 3326391 (1967-06-01), Adolfsson
patent: 3367512 (1968-02-01), Kaplan
patent: 3656637 (1972-04-01), Lynn et al.
patent: 3854594 (1974-12-01), Brookes
patent: 3957164 (1978-11-01), Brown
patent: 4090625 (1978-05-01), Walters
patent: 4127200 (1983-07-01), Mana
patent: 4391371 (1983-07-01), Paffrath
patent: 4406574 (1983-09-01), Riley
patent: 4508233 (1985-04-01), Helms
patent: 4565482 (1986-01-01), Baker

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