double-profile cam CAM JAW CRUSHER
CAM JAW CRUSHER. S.I. Fishgal. From “Rock Crusher Inventions” by S.I. Fishgal, published by Amazon Kindle, CreateSpace and Lulu BACKGROUND OF THE INVENTION This invention relates to rotary jaw crushers. Such known crushers. (e.g. US patent Nos. 2,464,732; 2,675,970; 1,946,763; 3,229,922 and 4,165,042) consist of a stationary outer concave jaw and a rotary inner jaw with an