Grapple
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 23, 1999
Grant Date -
N/A
app pub date -
Dec 8, 1997
filing date -
Dec 8, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A grapple including a central mounting member for attachment to a swivel mount of a boom and a pair of grapple jaws pivotally connected to and depending from the mounting member is modified by the addition of a pair of end engagement plates for engaging and locating ends of the logs when grasped for lifting, the plates defining inwardly facing parallel surfaces arranged substantially at right angles to the axes. The end engagement plates are mounted on a pair of horizontal slide beams for inward and outward movement and are attached by sleeves sliding on vertical rails of the plates for movement vertically relative to the central mounting member.
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Cited Art Landscape
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