Steering device for many-axled goose-neck trailers
First Claim
1. Steering device for a multi-axled goose-neck trailer which is coupled with a vehicle in front of said trailer, said steering device comprising wheels pivotable about a main axle and connected to stay rods for forcibly steering said wheels, said stay rods each connected to an intermediate member, said intermediate member also connected to a double piston rod, the ends of which are adapted for receiving a hydraulic signal from said vehicle.
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Accused Products
Abstract
Steering device for a multi-axled goose-neck trailer which is coupled with a vehicle in front of the trailer, the steering device comprising wheels pivotable about a main axle and connected to stay rods for forcibly steering the wheels. These stay rods are each connected to an intermediate member which is also connected to a double piston rod, the ends of which are adapted for receiving a hydraulic signal from the vehicle, thereby steering the wheels.
40 Citations
5 Claims
- 1. Steering device for a multi-axled goose-neck trailer which is coupled with a vehicle in front of said trailer, said steering device comprising wheels pivotable about a main axle and connected to stay rods for forcibly steering said wheels, said stay rods each connected to an intermediate member, said intermediate member also connected to a double piston rod, the ends of which are adapted for receiving a hydraulic signal from said vehicle.
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5. Steering device for a multi-axled goose-neck trailer which is coupled with a vehicle in front of it by a pivotable and tiltable fifth wheel hydraulically adapted to forcibly steer the rear-most wheel set of said goose-neck trailer in a direction opposite to the steering wheel of said vehicle in front of it, said steering device comprising wheels rotatable on respective wheel axles, said respective wheel axles rigidly connected with respective arms, said respective arms forming respective angle levers with said respective axles, said respective angle levers each rotatable about respective king pins, said respective king pins supported in respective bearing housings, each of said respective bearing housings fixedly connected to a main axle by respective forwardly directed extensions, said respective forwarding directed extensions each, at its forward end, connected by a link to the outer end of respective stay rods, each said respective stay rod, at its inner end, connected to an intermediate member, said intermediate member being triangular in shape and connected at its rear corner with the midpoint of a double piston rod, the ends of which are connected with hydraulic pistons located in hydraulic cylinders, said hydraulic cylinders supported by said fixed axle and hydraulically connected to said fifth wheel.
Specification