us20080116307a1 - jaw-type rock crusher with toggle plate
US20080116307A1 US12/019,436 US1943608A US2008116307A1 US 20080116307 A1 US20080116307 A1 US 20080116307A1 US 1943608 A US1943608 A US 1943608A US 2008116307 A1 US2008116307 A1 US 2008116307A1 Authority US United States Prior art keywords spring pitman tension jaw jaw crusher Prior art date 2005-03-14 Legal status (The legal status is an assumption and is not a legal