Patent ID: 11897703
Assignee: VALKA EHF
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 16:
17. A method of conveying an object from a first conveyor assembly, the conveyor assembly having an input end and an output end and comprising a conveyor belt arranged to convey an object in a direction of travel from the input end towards the output end, wherein the conveyor assembly comprises a conveyor roller assembly, the conveyor roller assembly comprising:
a body having a rolling surface between a first end and a second end;
a fluid cavity located within the body, the fluid cavity having a fluid cavity outlet, and
a plurality of fluid channels distributed about a circumference of the conveyor roller and arranged to connect the fluid cavity with the rolling surface, the fluid cavity outlet being configured to communicate with at least two of the fluid channels simultaneously to provide at least two fluid streams from the rolling surface, the method comprising:
conveying an object on the conveyor belt;
providing, on the conveyor roller assembly, a fluid projection mechanism arranged to project the fluid, and
directing the fluid to provide a lifting force to the conveyed object as the conveyed object passes over the fluid projection mechanism to lift the object from the conveyor belt.