Single drop trailer with vertically adjustable center section

Details Single drop trailer with vertically adjustable center section Single drop trailer with vertically adjustable center section

1986-12-12

1988-05-31

Spar, Robert J.

Material or article handling

Self-loading or unloading vehicles

With load-receiving portion, or significant section thereof,...

414498, 280415R, B60P 102

Patent

active

047477466

ABSTRACT:
A "single drop" semi-trailer is provided including front, intermediate and rear sections. The opposite ends of the center section and the adjacent ends of the front and rear sections included coacting anchor structure operative to releaseably anchor the center section between the front and rear sections, selectively, in high and low positions. When the center section is in the high position its deck surface is spaced appreciably below the deck surface of the front section and substantially horizontally aligned with the deck of the rear section. When the center section is in the low position thereof, its deck surface is spaced appreciably below the deck surface of the rear section. In addition, the front section includes selectively usable landing gear and the center section includes opposite end pairs of opposite side downwardly extendible and upwardly retractable support legs.

REFERENCES:
patent: 2590210 (1952-03-01), Rogers
patent: 2687225 (1954-08-01), Martin
patent: 2978128 (1961-04-01), Polich, Jr.
patent: 3135401 (1964-06-01), Schramm
patent: 3489427 (1970-01-01), Vearnals et al.
patent: 3666053 (1972-05-01), Tormey et al.
patent: 4408739 (1983-10-01), Buchsel

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