Patent ID: 8196492

Claim:
A first robotic module comprising: a. an elongated housing having opposed first and second sides, and comprising a base, a first end comprising a first drive feature on one of the first and second sides of the housing, and a second end comprising a second drive feature on one of the first and second sides of the housing; b. a first rotatable hub mounted on the first end of the housing and comprising a third drive feature on the side of the housing opposite the side of the first drive feature; c. a second rotatable hub mounted on the second end of the housing and comprising a fourth drive feature on the side of the housing opposite the side of the second drive feature; and d. a drive belt operatively engaged with the first rotatable hub and the second rotatable hub; wherein any one of the first drive feature, second drive feature, third drive feature, and fourth drive features of the first robotic module is engageable with any one of a first drive feature, a second drive feature, a third drive feature, and a fourth drive feature of a second robotic module that is substantially a duplicate of the first robotic module.