Portal box

摘要

A kit for raising and increasing wheel torque of an off road four wheel vehicle comprising four portal boxes, each portal box being associated with an individual one of the vehicle wheels, the portal boxes enclosing identical gear sets and associated bearings, each portal box being adapted to receive the output of an axle constant velocity joint and having an output shaft projecting therefrom, a set of four metal backing plates for joining the portal boxes to the suspension arms of the vehicle, the backing plates being substantially identical, the backing plates each having inwardly extending mounting brackets for attaching to upper and lower suspension arm parts.

主权项

1. A portal box assembly for mounting a wheel of an off road vehicle comprising a steel backing plate, a cover plate and a portal box, the backing plate being formed of a flat plate and provided with a flat mounting surface and a pair of vertically spaced mounting brackets extending away from the mounting surface, a surface of the flat plate engages an end of each of the mounting brackets, the brackets including holes for connection with a suspension of a particular vehicle, the portal box, the cover plate and backing plate having aligned holes for receiving bolts for mounting the cover plate and the portal box to the backing plate, the portal box containing input, idler and output gears, the portal box having an operational orientation in which the output gear is below the input gear, the mounting brackets being separately formed to be suitable to the particular vehicle prior to mounting onto the backing plate.