Patent ID: 8893398

Claim:
An extensometer for use in association with an extensometer assembly comprising: a first arm having a proximal end and a distal end, and a bearing bore positioned at the proximal end thereof, with a specimen contact assembly positioned at the distal end thereof; a second arm having a proximal end and a distal end and a bearing bore positioned at the proximal end thereof, with a specimen contact assembly positioned at the distal end thereof; a flexure bearing extending between the first arm and the second arm at the proximal end of each of the first arm and the second arm and into the bearing bore positioned at the proximal ends of each of the first and second arms, so as to position the first and second arms in a side by side orientation; and at least one sensor assembly having a component coupled to each of the first arm and the second arm, the at least one sensor configured to sense relative pivoting of the first arm and the second arm relative to each other.