Patent ID: 6516679
Filing Date: 2003-02-11
Classification: B06B,E01C,Y10T

Abstract:
An eccentric assembly for a vibration compacting vehicle, the eccentric assembly comprising:a shaft rotatably mounted to a drum assembly on the vibration compacting vehicle, the shaft being rotatable about an axis; a first eccentric weight rotatably mounted to the shaft; a second eccentric weight rotatably mounted to the shaft; and a member coupled to the first eccentric weight and the second eccentric weight, the member being slidably mounted to the shaft and moveable between a first position where the first eccentric weight and the second eccentric weight are in phase and a second position where the first eccentric weight and the second eccentric weight are out of phase, the member being biased toward the first position and configured to displace toward the second position when the shaft rotates at a sufficient rotational speed.