Patent ID: 7607624

Claim:
A valve tester suspension assembly comprising: an articulated arm assembly adapted for coupling to a vehicle; a rotating assembly coupled to said arm assembly to pivot around a substantially horizontal axis such that said rotating assembly is positionable in a substantially horizontal orientation at a selectable position in a three dimensional space adjacent the vehicle; and a shaft having a first end operationally couplable to said rotating assembly for rotating said shaft; a torque adjustment means operationally coupled to said rotating assembly for permitting adjustment of a torque exerted by said rotating assembly to turn said shaft; said arm assembly including a first arm portion for coupling to the vehicle; said arm assembly including a second arm portion pivotally coupled to said first arm portion; said arm assembly including a third arm portion pivotally coupled to a distal portion of said second arm portion; a first biasing assembly coupled between said second arm portion and said third arm portion; and a biasing assembly coupled between said third arm portion and said rotating assembly; said second biasing assembly comprising at least one spring member.