Vehicle mounted, variable length hook hoist

Material or article handling – Self-loading or unloading vehicles – With load-receiving portion – or significant section thereof,...

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Details

414498, 414555, B60P 164

Patent

active

055428070

ABSTRACT:
A truck and hook hoist combination for picking up and manipulating a container having a grasping ring includes a vehicle having a frame with a rear; a hook hoist including a hoist frame with a rear, a roller frame having a rear and being connected to and at the rear of the hoist frame, and a jib assembly having inboard and outboard ends and being pivotally connected about an axis to the hoist frame, the roller frame including at least one roller rotatably mounted to the rear of the frame and being configured for variable slidable longitudinal extension relative to the rear of the hoist frame prior to the roller frame being rigidly connected to the hoist frame, and wherein the jib assembly includes a hook at its outboard end, the hook defining a base with a front and a rear, a post extending up from the front of the base and a main arcuate hook body extending up from the rear of the base, wherein the base, post and hook body together define a saddle sized to engage with and receive a container grasping ring therein and to transmit both forward and rearward movement of the hook to a container substantially entirely through the contact in the saddle between the hook and the grasping ring; hydraulic cylinders for pivoting the jib assembly about its axis; and, at least two hoist connecting bracket assemblies each including a lower bracket fixed to the vehicle frame and a mating upper bracket fixed to the hoist frame, and wherein the mating upper and lower brackets are connected together and each upper bracket includes a container seat configured to support a portion of a container thereon.

REFERENCES:
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patent: 3485400 (1969-12-01), Pewthers
patent: 3825137 (1974-07-01), Mackrill et al.
patent: 4290726 (1981-09-01), Sutela et al.
patent: 4344731 (1982-08-01), Visa et al.
patent: 4453878 (1984-06-01), Paukku
patent: 4755098 (1988-07-01), Wulf et al.
patent: 5088875 (1992-02-01), Galbreath et al.
patent: 5108247 (1992-04-01), Vlaanderen
patent: 5183371 (1993-02-01), O'Daniel
patent: 5213466 (1993-05-01), Bubik

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