Patent ID: 7775341

Claim:
A bulk material handling accessory comprising: a first mounting member; a scraping member coupled to said first mounting member, said scraping member comprising a scraper blade adapted to engage a conveyor belt, said scraper blade being movable with respect to said first mounting member; a second mounting member; a damper mechanism having a first end and a second end, said first end coupled to said second mounting member and said second end coupled to said scraping member, said damper mechanism adapted to bias said scraper blade into engagement with the conveyor belt and to dampen vibration of said scraper blade with respect to the conveyor belt, the damping characteristics of said damper mechanism being selectively variable to accommodate changes in operating conditions of the scraper blade, said damper mechanism including a damper having a first end and a second end, said first end of said damper adapted to be coupled to said second mounting member and said first end of said damper adapted to be coupled to said scraping member, said damper including a piston and a housing having a fluid chamber, said piston being movable with respect to said housing in response to movement of said scraper blade, said damper mechanism including a box coupled to said scraping member, said box adapted to receive a controller.