Reduced height upper rail for curtainside truck trailers

Details Reduced height upper rail for curtainside truck trailers Reduced height upper rail for curtainside truck trailers

1990-08-03

1991-06-11

Song, Robert R.

Land vehicles: bodies and tops

Bodies

Body shell

160 841, 296183, B60J 506

Patent

active

050227025

ABSTRACT:
An upper rail for large curtainside truck-trailers comprises a double vertical web structure joined at the top by a horizontal plate that extends beyond the outer web to the outside of the trailer roof anad beyond the inner web for increased support of the roof sheets. Simultaneous with providing the trolley way for the curtainside trolleys, the double vertical web provides the necessary stiffness and load carrying capacity within a 3 inch depth, top to bottom, rail for a 48 foot truck trailer.

REFERENCES:
patent: 3709552 (1973-01-01), Broadbent
patent: 4545611 (1985-10-01), Broadbent
patent: 4795208 (1989-01-01), Whiteman
patent: 4828316 (1984-05-01), Bennett et al.
patent: 4943110 (1990-07-01), Pastva

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