Patent ID: 8096603

Claim:
A door assist system for use on a vehicle door and connected to a vehicle to provide assisted opening, closing and locking of the door, the door assist system comprising: a door handle having a first operable position, a second operable position and a released position; at least one pneumatic actuator having an actuator rod, wherein the actuator rod is extendable when the door handle is in the first operable position, and the actuator rod is retractable when the door handle is in the second operable position; a slide block displaceable by the actuator rod of the pneumatic actuator; a door link connecting the slide block to the vehicle frame, wherein as the slide block is displaced away from the pneumatic actuator, the door link opens the door with respect to the vehicle; and a lock having a lock rod extendable and retractable with the slide block, wherein when the door handle is in the released position, the lock rod is prevented from extension and retraction and locks the slide block.