US Patent 7410322 Vibrating compactor apparatus

A vibrating trench compactor apparatus including a first frame, a second frame, and a compactor wheel. The first frame has an adapter plate connectable to a vehicle and a first arm and second arm extending from the adapter plate. A plurality of vibration dampening members are disposed through each arm. The second frame has a motor mounting plate and a first leg and a second leg extending from the motor mounting plate where the first and second leg are interconnected to the vibration dampening members. The compactor wheel is rotatably connected to the first leg and the second leg and a vibration motor is mounted to the motor mounting plate of the second frame for imparting vibrational movement to the compactor wheel via the second frame.