Patent ID: 7128462
Filing Date: 2006-10-31
Classification: B01F,B28C

Abstract:
1. A mixing drum for mortar and similar material comprising a drum body including a hollow shell having upper and lower portions and front and rear portions and an opening having front and rear portions in said upper portion of said shell and a pair of spaced substantially parallel and opposite end plates, said drum shell and said end plates having interior surfaces, a paddle shaft rotatably mounted between said end plates, a pair of spaced first paddles, first mounts for attaching said first paddles to said shaft for forcing a mix in said drum in a first direction and a pair of second spaced paddles, second mounts for attaching said second paddles to said shaft for forcing a mix in said drum in a second direction, a pair of spaced drum end scrapers mounted on said shaft, each said scraper mounted closely adjacent said interior surface of respective said end wall of said drum for scraping a portion of said end wall interior surface, a pair of drum end wipers, each said drum end wiper mounted on a respective one said first paddle closely adjacent said interior surface of respective said end wall of said drum for wiping another portion of said end wall interior surface and being spaced from said portion.