Patent ID: 8109403
Filing Date: 2012-02-07
Classification: A01D,Y10S

Abstract:
1. A cover assembly adapted to be fitted over the open top of a bin or hopper and comprising a pair of hoods attachable to upper portions of the bin or hopper in spaced relation to each other such that an elongated opening is defined between said hoods of sufficient width as to provide access to the bin or hopper when in use, a flexible closure member adapted to span the opening between said hoods while supported on marginal edge portions of said hoods which bound said elongated opening, and a pair of rotatable rollers each attachable at a respective one of opposing end portions of said elongated opening and upon and from one of which rollers said closure member may be wound and unwound during travel of said closure member along and over said elongated opening whereby to open and close the same, the flexible closure member having one or more pull straps extending beyond and connected to one end of said closure member, said pull straps also being connected to the other one of said pair of rollers so as to be unwound and wound therefrom as said closure member is moved between the closed and open positions.