Patent ID: 7373768
Filing Date: 2008-05-20
Classification: A01D

Abstract:
1. A roller assembly for a lawnmower, comprising: (A) first and second laterally spaced, longitudinally extending tow arms, each of which includes first and second links, the first link having a rear end that is pivotally attached to a front end of the second link and having a front end configured to be supported at least indirectly on a frame of a lawnmower; (B) a shaft supported and at least indirectly coupled on the second link of each of the tow arms; (C) at least one roller disposed on the shaft; and (D) first and second springs, each of which is disposed between the first and second links of a respective tow arm and which is configured to bias the second link of the respective tow arm downwardly relative to the first link of the respective tow arm, thereby to bias the roller against a ground surface.