Patent ID: 8572861

Claim:
A pivotal measuring wheel comprising: a handle set including a handle and a panel mounted on the handle; a handle rod mounted on the handle set and having a hollow handle seat mounted on one end of the handle rod, the handle seat having an arc-contoured first pivotal body protruding from the handle seat, the first pivotal body having a first space defined in one side of the first pivotal body and a first semicircular hole defined in the side of the first pivotal body and communicating with the first space; a pivotal rod having a hollow joint seat mounted on one end of the pivotal rod and pivotally connected to the joint seat of the pivotal rod, the joint seat having an arc-contoured second pivotal body protruding from the joint seat for connecting to the first pivotal body of the handle seat, the second pivotal body having a second space defined in one side of the second pivotal body and a second semicircular hole defined in the side of the second pivotal body and communicating with the second space, the second space in the second pivotal body selectively communicating with the first space in the first pivotal body, the second semicircular hole selectively correspondingly aligning and communicating the first semicircular hole; a wheel seat mounted on the pivotal rod and located opposite to the end of the joint seat; a wheel rotatably mounted on the wheel seat; and a cable connecting the panel to the wheel seat and mounted through the handle rod and the pivotal rod via the first space, the first semicircular hole, the second space, and the second semicircular hole.