Patent ID: 9649779
Date: 2017-05-16
CPC Classifications: B28B,E01C,E04G

Claim:
1. A vibratory device for working concrete comprising: a frame having a first end and a second end opposite the first end, an implement configured to be removeably coupled to the first end of the frame, the implement including a vibrator head and a concrete engaging tool, the vibratory head transferring vibration to the tool, a motor assembly configured to be removeably coupled to the second end of the frame and operable to transfer mechanical energy through the frame to the vibrator head, and a frame extension having a first end and a second end opposite the first end, wherein the first end of the frame extension is configured to be removeably coupled to one of the implement and the second end of the frame, and the second end of the frame extension is configured to be removeably coupled to one of the motor assembly and the first end of the frame to change the distance between the motor assembly and the implement while transferring the mechanical energy through the frame extension; and wherein the frame extension comprises an extension drive member positioned within an extension drive member housing, wherein the extension drive member is rotatable within the extension drive member housing.