To provide a roller scraper capable of having a long service life. A roller scraper that removes attached substances on a surface of a roller, the roller scraper including a scraper main body that is supported on a floor portion and a scraping claw that is disposed in such a manner as to project in a width direction of the scraper main body. The scraping claw is placed against the roller in such a manner as to be in contact with the surface of the roller, and an opening is formed in the scraper main body.

A conveyor belt cleaner system comprising a platen subassembly positioned transversely of the return path of the conveyor belt; a steam chamber disposed adjacent a first portion of the conveyor belt, the steam chamber including a steam header; a vacuum chamber adjacent the steam chamber and disposed adjacent a second portion of the conveyor belt, the vacuum chamber having an outlet connectable to a source of vacuum; a first belt wiper in wiping defining an entrance to the steam chamber; a second belt wiper having a discontinuous wiping surface defining a septum between the vacuum and steam chambers; a third belt wiper defining an exit from the vacuum chamber; and apparatus including a rotatable bolt cooperative with the steam header to vary the width of steam application from the steam header onto the conveyor belt in accordance with a width of conveyor belt presented to the conveyor belt cleaner system.

A self-biasing conveyor belt scraper for a conveyor belt trained around a sprocket includes a base mounted on a shaft below the sprocket and a tapering scraper tip extending from the base. The top of the base contacts the conveyor belt at a first location. The conveyor belt pushes against the top of the base to bias the tapering scraper tip into contact with the conveyor belt at a second location.

A self-biasing conveyor belt scraper for a conveyor belt trained around a sprocket includes a base mounted on a shaft below the sprocket and a tapering scraper tip extending from the base. The top of the base contacts the conveyor belt at a first location. The conveyor belt pushes against the top of the base to bias the tapering scraper tip into contact with the conveyor belt at a second location.

Systems, methods and apparatus are provided for scraping material from a conveyor belt. Some embodiments include primary and secondary scraper assemblies.

Systems, methods and apparatus are provided for scraping material from a conveyor belt. Some embodiments include primary and secondary scraper assemblies.

In a belt cleaner 10 having a plurality of bar-like rubber elastic bodies 20 each having a rectangular cross section and provided in line in a groove 40a of a stand 40 installed in a width direction of a returning-side belt 30 one of springs 22 is provided to a fixed-side end 20a of each of the bar-like rubber elastic bodies 20 through a corresponding one of fixing axes 21, one of screws 62 is provided to each of flanges 44 provided to each end of the stand 40, one of thrust bolts 60 is rotatably attached to each of the screws 62, and the bar-like rubber elastic bodies 20 provided in line are retained in a horizontal direction in a state of being vertically pressed by the springs 22 at an adequate pressure by means of the thrust bolts 60 threaded into the screws 62.

In a belt cleaner 10 having a plurality of bar-like rubber elastic bodies 20 each having a rectangular cross section and provided in line in a groove 40a of a stand 40 installed in a width direction of a returning-side belt 30 one of springs 22 is provided to a fixed-side end 20a of each of the bar-like rubber elastic bodies 20 through a corresponding one of fixing axes 21, one of screws 62 is provided to each of flanges 44 provided to each end of the stand 40, one of thrust bolts 60 is rotatably attached to each of the screws 62, and the bar-like rubber elastic bodies 20 provided in line are retained in a horizontal direction in a state of being vertically pressed by the springs 22 at an adequate pressure by means of the thrust bolts 60 threaded into the screws 62.

A cleanable frame and a method for making a cleanable frame having a simplified frame design. A hygienic conveyor frame assembly comprises a plurality of hollow tubular sections joined together to form an evacuated, sealed conveyor frame support structure that functions as a sterilization zone. An integral carryway is placed on the support structure. Lifters coupled to the conveyor frame can lift the carryway and conveyor belt for cleaning. Infeed and outfeed assemblies are also movable between operating and cleaning positions. A sensor can monitor the conditions of the frame interior to ensure that the vacuum is maintained and initiate a corrective action if the vacuum seal is breached.

A conveyor belt cleaner system comprising a platen positioned transversely of the conveyor belt; a steam chamber transversely disposed over a first portion of the conveyor belt, the steam chamber including a tubular steam header; a vacuum chamber adjacent the steam chamber and disposed over a second portion of the conveyor belt, the vacuum chamber having an outlet connectable to a source of vacuum; a first wiper in wiping contact with the conveyor belt defining an entrance to the steam chamber; a second wiper having a discontinuous wiping surface defining a septum between the vacuum and steam chambers; a third wiper defining an exit from the vacuum chamber; and apparatus including a rotatable bolt cooperative with the steam header to vary the width of steam application from the steam header onto the conveyor belt in accordance with a width of conveyor belt presented to the conveyor belt cleaner system.