Patent ID: 6045157
Filing Date: 2000-04-04
Classification: B60R

Abstract:
A modular collapsible tank trailer railing assembly for connection to an elongated horizontal catwalk connected to the top of a tank on a tank trailer, said modular collapsible tank trailer railing assembly comprising:a. an elongated U-shaped base member adapted for connection to said catwalk,b. an elongated upper rail,c. an elongated middle rail located between said upper rail and said base member, said middle rail being received in said U-shaped base member when said upper rail and said middle rail are lowered to the collapsed position,d. a plurality of rigid posts pivotally connected to said base member, said middle rail, and said upper rail,e. a handle for rotating one of said plurality of posts to raise said upper rail and said middle rail above said base member, andf. a spring for biasing one of said posts toward the vertical position.