A - Human Necessities
47
L
15/135
A47L 13/02 (2006.01)
Patent
CA 2000244
ABSTRACT OF THE DISCLOSURE A scraper includes a blade and a shaft rigidly connected together. A cylinder which has a closed end is slidably engaged onto a free end of the shaft so that the closed end of the cylinder hits the free end of the shaft by a relative movement between the shaft and the cylinder.
Chen Alex
Smart & Biggar
LandOfFree
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