Patent ID: 9316113
Filing Date: 2016-04-19
CPC Classification: F01D,F04D,F05B,F05D

Claim Text:
1. A bushing for a variable set blade comprising: a cylindrical part configured to receive said blade, a root of said blade being configured to rotate in said cylindrical part, and a base comprising: wherein at least one of said first side or second side of said base comprises at least one bevel through which said first side or said second side is able to be put in contact with one of said first edge or second edge of said circumferential groove so as to block said bushing in rotation, wherein said first side comprises a first bevel and a second bevel and/or said second side comprises a first bevel and a second bevel, wherein: said first bevel and said second bevel of said first side are separated by a first non-beveled part, said first non-beveled part forming, with at least one of said first and second bevels from said first side, a first angle α1 of between 190 and 195 degrees and/or said first bevel and said second bevel of said second side are separated by a second non-beveled part, said second non-beveled part forming, with at least one of said first and second bevels from said second side, a second angle α2 of between 190 and 195 degrees, and wherein each of said first bevel and second bevel of said first side presents a length on the order of 8 mm; and each of said first bevel and second bevel of said second side presents a length on the order of 8 mm.