Portal box
AssigneeSXS Gear LLC
InventorGrant I. Shirley
Life of this patent
Estimating the term…
Abstract
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.
Claims18
A portal box assembly for mounting a wheel of an off road vehicle comprising a steel backing 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, the brackets including holes for connection with the suspension of a vehicle, the portal box and backing plate having aligned holes for receiving bolts for mounting 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 prior to mounting onto the backing plate.
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.
Dependencies are inferred from the claim text.