Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven...
Patent
1980-09-02
1981-12-08
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
254DIG1, 254133R, 414 23, 414592, B66F l300
Patent
active
043043941
ABSTRACT:
A log lifting device is described that includes an upstanding post with an attached flexible strand. The flexible strand, such as a chain, releasably connects the post to a jack. Guide members on the post cause the flexible strand to extend generally parallel to the post for a substantial portion of the length of the post. The flexible strand may include a thin, rigid extension at one end to enable the strand to be threaded under a log to be lifted. The end passed under the log to be lifted is then attached to a jack. The log is raised upwardly generally parallel the length of the support member in response to an upward force applied by the jack.
REFERENCES:
patent: 2297556 (1942-09-01), Hermann
patent: 2474045 (1949-06-01), Freeland
patent: 2492597 (1949-12-01), Schradt
O'Hara Harold N.
Watson John E.
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