Material or article handling – Elevator or hoist and loading or unloading means therefor – Comprising means enabling additional movement of carrier or...
Patent
1987-08-19
1988-07-12
Valenza, Joseph E.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Comprising means enabling additional movement of carrier or...
414671, 414685, B60P 150, B66F 914
Patent
active
047566612
ABSTRACT:
A motorized operator unit which is readily attachable to a conventional manually adjustable fork mechanism for adjustment of the forks by operation of a motor. The operator unit comprises support structure which supports a pair of elongate threaded rods. Each threaded rod has a pair of nuts threadedly attached thereto. A motor is operatively connected to the threaded rods for rotation thereof. Retainer members are attached to the nuts and prevent rotation thereof. The retainer members move with movement of the nuts along the threaded rods. The operator unit is adapted to be quickly attached to a carriage of a conventional manually adjustable fork mechanism, with the retainer members in engagement with the forks of the mechanism for movement of the forks.
REFERENCES:
patent: 2339120 (1944-01-01), Ulinski
patent: 2451943 (1948-10-01), Gunning
patent: 2483745 (1949-10-01), Vossenberg
patent: 3424328 (1969-01-01), Gideonsen et al.
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patent: 4607997 (1986-08-01), Asano
patent: 4688982 (1987-08-01), Smart
Case, Forklift Model 584/5/6 E Series (Form No. UD13485), Undated.
Case, Uni-Loader Model 1845C (Form No. UD12785), Undated.
Case, W4 Loader, (Form No. UD93282), Undated.
Forks, Undated brochure.
Grapples (LLG-LOG and Lumber Grapples, Undated brochure.
Forged (Solid Steel) Bucket Forks, Undated brochure.
Bucci David A.
Valenza Joseph E.
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