Grapple

Details Grapple Grapple

1997-12-08

1999-02-23

Kramer, Dean

Handling: hand and hoist-line implements

Grapple

Pivoted jaws

294 3, 294 864, 2941191, 414731, B66C 130

Patent

active

058736158

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.

REFERENCES:
patent: 2646305 (1953-07-01), Sonderstrup
patent: 3439818 (1969-04-01), O'Neil
patent: 4212577 (1980-07-01), Swanson
patent: 5219265 (1993-06-01), Recker

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