Front end device for a vehicle with a single steered front wheel and vehicle equipped with such a front end device

摘要

A front end device (1) for a vehicle comprising:
a steering shaft (2) capable of being connected to a steering column (3) of the chassis of the vehicle by a connection having a degree of freedom in rotation,an upper fork crown (4) connected to the steering shaft,a lower fork crown (5) connected to the steering shaft,an upper fork arm (6a, 6b) fixed to said upper and lower fork crowns,a lower fork arm (7a, 7b), connected to the upper fork arm, by means of a deformable parallelogram-type connection, by means of one upper middle arm (8) and two lower middle arms (9a, 9b), articulated at their two ends on said upper fork arm and the lower fork arm, respectively,a single steered front wheel (10), rotatably mounted on the lower fork arm,suspension means (11) providing a damped elastic connection between the lower fork arm and the upper fork arm,the articulated upper middle arm (8) and the articulated lower middle arm (9a, 9b) being arranged below the lower fork crown (5) and extending to the front of said upper fork arm.;Vehicle equipped with such a front end device.

主权项

1. A front end device for a vehicle comprising:
a steering shaft configured to be connected to a steering column of a chassis of the vehicle by a connection having a degree of freedom in rotation, an upper fork crown connected to said steering shaft, a lower fork crown connected to said steering shaft, at least one upper fork arm fixed to said upper and lower fork crowns, at least one lower fork arm connected to said at least one upper fork arm, by a deformable parallelogram connection, said connection comprising at least one upper middle arm and at least one lower middle arm articulated at their two ends on said at least one upper fork arm and at least one lower fork arm, respectively, a single steered front wheel rotatably mounted on said at least one lower fork arm, a suspension providing a damped elastic connection between said at least one lower fork arm and said at least one upper fork arm,wherein said at least one upper articulated middle arm and lower articulated middle arm are arranged below the lower fork crown and extend to the front of said at least one upper fork arm.