Device for opening and closing a side plate of a loading box on a motor truck under no-load condition
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United States of America Patent
Stats
-
Sep 7, 1982
Issued Date -
N/A
app pub date -
May 23, 1979
filing date -
Aug 31, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a device for opening and closing a side plate of a loading box on a motor truck under no-load condition wherein the side plate is outwardly openably hinged at its bottom edge to the outer side edge of the floor plate of the loading box, an actuating or interlocking mechanism is provided which comprises an upper actuating connecting rod and a lower actuating connecting rod. The upper actuating connecting rod has the upper end thereof articulated to the outer surface of the side plate and the lower end thereof articulated to the upper end of the lower actuating connecting rod, the lower end of which is articulated to a lower portion of a support member downwardly projected from the underside of the floor plate. Thus, the mechanism is twice-foldable. The actuating or interlocking mechanism may be resiliently pulled by a spring having the base thereof connected to the underside of the floor plate.
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