Patent ID: 8439600
Filing Date: 2013-05-14
Classification: E01C,E04G

Abstract:
1. A vibratory device for use with a concrete finishing tool having a float pad and a handle attached to a center of the float pad, the vibratory device comprising: a. a mounting plate configured to be attached to a top side of said float pad, the mounting plate having an opening through which the handle projects; b. a housing configured to be attached to said mounting plate such that a first portion of the housing is positioned on a first side of the opening and a second portion of the housing is positioned on a second side of the opening opposite the first side; c. a motor positioned in the first portion of said housing and operatively attached to said mounting plate; d. a power source positioned in the second portion of said housing and in communication with said motor; and e. a counterweight attached to said motor, wherein actuation of said motor causes said mounting plate and said float pad to vibrate.