Patent ID: 6293747
Filing Date: 2001-09-25
Classification: B66C,Y10S

Abstract:
A self-propelled, steerable straddle carrier comprising, in combination, a main frame supported on transport wheels, a tong table, a plurality of hydraulic lift actuators for raising and lowering the tong table relative to the main frame, pairs of front and rear slab tongs pivotally mounted respectively on the front and rear of tong table, front and rear pinch cylinders for opening and closing the front and rear slab tongs, a pair of coil tongs disposed between the front and rear slab tongs, a pair of inverted yoke assemblies for pivotally supporting the coil tongs, a center pinch cylinder for opening and closing the coil tongs, and a pair of actuators interconnecting the yoke assemblies and the tong table for raising and lowering the coil tongs relative to the slab tongs and the tong table.