Patent ID: 11897700
Assignee: ASGCO MANUFACTURING, INC.
Field: Handling (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 5:
6. A method of cleaning the surface of the return side of an endless conveyor belt having a primary belt cleaning system and a secondary belt cleaning system, said secondary belt cleaning system cleaning a return side surface of the endless conveyor belt, said method comprising:
providing a plurality of blade devices for said secondary belt cleaning system mounted to a support shaft having mounting brackets at each end of said support shaft in order to configure said plurality of blade devices to be transversely positioned against the return side surface of the conveyor belt;
rotatably biasing a blade tip of each one of said plurality of blade devices against the return side surface of the conveyor belt by pretensioning a respective torsion spring within respective blade devices, each blade tip being replaceable such that only said blade tip requires replacement when said blade tip is worn;
positioning each of said respective torsion springs in a respective housing and aligning said respective torsion spring with a respective rotatable shaft that is coupled to a respective blade arm, and wherein said respective blade arm is coupled to a respective blade tip; and
wherein said plurality of blade devices removable independently of any displacement of the primary belt cleaning system.