| 主权项 |
1. A particulate material monitoring system, comprising:
a flange defining a front opening, wherein said flange is adapted to be attached to a containing wall of a container for particulate material and adapted to at least partially surround a wall opening within said containing wall; a viewing cover attached to said flange covering said front opening, wherein said viewing cover is comprised of a transparent material and wherein said viewing cover is attached in a sealed manner with respect to said flange; a deflector having an upper inclined surface extending from a lower portion of the viewing cover and adapted to extend inwardly through said wall opening of said containing wall above a lower edge of said wall opening; a viewing wall, wherein said viewing wall is distally positioned a finite distance rearwardly from said flange; a first sidewall, wherein said first sidewall extends rearwardly from a first side of said flange and wherein said first sidewall is connected to said viewing wall; and a second sidewall, wherein said second sidewall extends rearwardly from a second side of said flange, wherein said second sidewall is connected to said viewing wall opposite of said first sidewall, wherein said first sidewall is substantially parallel with respect to said second sidewall, and wherein said flange, said viewing wall, said first sidewall and said second sidewall define an upper opening and a lower opening that are adapted to allow for the passage of particulate material. |
