Material or article handling – Elevator or hoist and loading or unloading means therefor – Grab
Patent
1985-03-29
1987-03-10
Werner, Frank E.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Grab
248168, 248439, 254324, 254342, 414 23, 414444, 414450, 414460, 414911, 414745, B66C 2360
Patent
active
046487786
ABSTRACT:
A log lifter particularly designed to elevate a portion of a large log to facilitate cutting the log into shorter lengths, wherein the log lifter includes a collapsible support frame with a hoist mechanism mounted thereon and a log gripping clamp connected with the hoist mechanism for lifting the log.
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patent: 491168 (1893-02-01), Griffith
patent: 1439245 (1922-12-01), Knapp
patent: 1732153 (1929-10-01), Crichton
patent: 1784264 (1930-12-01), Young
patent: 2299584 (1942-10-01), Low
patent: 2656212 (1953-10-01), Eckstein
patent: 2687866 (1954-08-01), Johnson
patent: 3094802 (1963-06-01), Perry
patent: 3716216 (1973-02-01), Kirkpatrick
patent: 4218045 (1980-08-01), Weismann
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