Patent ID: 6551020
Filing Date: 2003-04-22
Classification: B06B,E01C,Y10T

Abstract:
A vibratory mechanism comprising:a housing supported within a compacting body; a first eccentric weight positioned with said housing and having a first and a second stub shaft, the first and the second stub shaft being rotatably supported by a pair of bearings; a second eccentric weight being coaxially rotatably supported on a shaft positioned within said first eccentric weight; a movable mass being contained within a hollow cavity in said second eccentric weight; an adjustment shaft extending outward from said housing and being coaxially positioned within said first stub shaft and being operatively connected to said first and second eccentric weights for indexing said second eccentric weight relative to said first eccentric weight; and a motor connected with said second stub shaft and rotatable in a first and a second direction.