Patent ID: 7931300
Filing Date: 2011-04-26
Classification: A61G,Y10S

Abstract:
1. A powered vehicle comprising: a frame; a seat mounted on the frame; a pair of drive wheels positioned on opposing sides of the frame; a drive motor assembly operatively coupled to at least one of the drive wheels for powering rotation of the drive wheel about a drive wheel axis and for powering movement of the vehicle across a ground plane; and at least one anti-tip assembly comprising wherein, in response to torque created by the motor in rotating the drive wheel, the drive motor assembly pivots, causing, through the operative connection of the resilient link, the suspension arm to pivot about the suspension arm pivot axis, and causing a corresponding movement of the anti-tip assembly, and wherein the resilient link comprises at least two link members, a first link member attached to the drive motor assembly and a second link member attached to the suspension arm, and a resilient member formed between the first and second link members.