B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/132
B01D 21/04 (2006.01) B02C 18/14 (2006.01) B02C 18/18 (2006.01)
Patent
CA 1279829
ABSTRACT "Apparatus for Collecting and Discharging Waste Material" The apparatus disclosed comprises peripheral rows 1 and 2 of teeth T arranged on rotatable cylindrical shafts 3 and 4. The teeth T on each shaft 3 and 4 intercalate so that an entrapment zone Z for waste material is formed thereat during contra-wise rotation of the shafts 3 and 4. The teeth T in each row pass through respective slits S formed between the blade edge 12' of rectilinear scraper blades 12 placed between the rows and resting on the shafts. The scraper blades 12 remove waste material from and between the teeth T for discharge from the machine. To prevent the waste material being caught by the cutting action between the leading faces of the teeth T passing the scraper blades edges 12' the magnitude of the angle A formed at any time between those leading faces and the blades edges 12' as the teeth T pass through slits S, has a value determined by the shape of the leading faces of the teeth and blade edges 12' of the scraper blades so that the inducement of frictional engagement in relation to the materials being handled is never sufficient for a biting or cutting action to ensue.
500181
Byers Michael Richard
Sim & Mcburney
LandOfFree
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