Stowable lift for freight vehicles

Details Stowable lift for freight vehicles Stowable lift for freight vehicles

1987-10-29

1989-02-21

Werner, Frank E.

Material or article handling

Self-loading or unloading vehicles

Loading or unloading by other carrier or mover means, and...

187 9R, 292126, B60P 146

Patent

active

048060623

ABSTRACT:
A forward platform section is hingedly connected at its forward edge to lower ends of a pair of runner assemblies that are vertically movably mounted in guides of a supporting framework. A closed rear edge of the forward platform section is hingedly interconnected to a closed forward edge of a rear platform section, the hinge connection being adapted for folding an underside of the rear platform section into superposition over an underside of the forward platform section. The curb side runner assembly incorporates a power cylinder for rotating the forward platform section between vertical and horizontal positions. A known linkage effects rotation of the rear platform section between vertical and horizontal positions as a function of corresponding rotation of the forward platform section. A pair of stoppers on opposite sides of the forward platform section are aligned with a pair of stirrups on opposite sides of the framework, the stirrups being upwardly and rearwardly open so that the stoppers can be rotated into and out of seating contact with the stirrups by rotation of the forward platform section without vertical movement of the runner assemblies. A latch on the framework maintains the stoppers in seated position on a stirrups. The framework includes the horizontal bed plate in vertically spaced apart relationship to the stirrups such that when the pair of platform sections are in collapsed condition the closed edges of the two platform sections define a flush continuation of the bed plate.

REFERENCES:
patent: 1552132 (1925-09-01), Frasch
patent: 2706565 (1955-04-01), Krasno
patent: 3734239 (1973-05-01), Martin et al.
patent: 3795329 (1974-03-01), Martin et al.
patent: 3968890 (1976-07-01), Robson
patent: 4007844 (1977-02-01), Perkins

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