Patent ID: 9580122
Date: 2017-02-28
CPC Classifications: B62D

Claim:
1. A walker for moving a structure over the ground, the walker comprising: a pontoon for engaging the ground, the pontoon defining longitudinal and lateral directions; a jack with rollers disposed on the pontoon for lifting the structure; a longitudinal drive assembly disposed on the pontoon for longitudinally moving the pontoon relative to the jack with or without the structure on the rollers; a lateral drive assembly disposed on the pontoon for laterally moving the pontoon and the jack relative to the structure, when the structure is resting on the ground; and a rotational drive assembly disposed on the pontoon for rotationally moving the pontoon and the jack relative to the structure when the structure is resting on the ground; wherein the rotational drive assembly comprises rotational drive members pivotally connected to the jack, for contacting the structure, for driving the rotational movement.