Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Patent
1977-02-17
1977-10-11
Blunk, Evon C.
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
152566, 74230, 248 15, 248358R, B65G 4500
Patent
active
040530450
ABSTRACT:
A resiliently mounted conveyor belt cleaner is provided to serve as a mechanical cleaner for an endless conveyor belt. The cleaner includes a plurality of independently operable scraper blade assemblies for removing objectionable foreign materials from the surface of the conveyor belt. Each of the blade assemblies is resiliently mounted on a support which is fixedly positionable transversely of and adjacent to the surface of the belt. Each blade assembly includes an elongated arm having a blade mounted at one end and a resilient support-engaging assembly at its opposite end, each support-engaging assembly being individual to its arm. In a first embodiment, a block of resilient material is used to bias each arm and absorb shock. Each of the arms has a generally rectangular flat portion at its support-engaging end and the flat portion is placed into contact with the length of one face of the block before being secured to the support so as to evenly distribute the load experienced by the arm over a large surface area of the resilient block. In a second embodiment, the resilient block and the support-engaging end of the arm are free of apertures to provide greater strength and durability. The block and the support-engaging end of the arm are compressibly retained relative to each other and the support by a clamping element attachable to the support. In yet another embodiment, a relatively flat arm is resiliently secured to the support by a compression spring assembly which biases the arm, absorbs shock, and distributes the load via a relatively large spring contacting area of the flat arm.
REFERENCES:
patent: 3430901 (1969-03-01), Cauvin
patent: 3656610 (1972-04-01), McWilliams
Blunk Evon C.
Material Control, Inc.
Valenza Joseph E.
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