Patent ID: 8128370
Filing Date: 2012-03-06
Classification: B21D,B23P,F16H,Y10T

Abstract:
1. A blade structure for a torque converter, produced according to a process comprising: (a) stamping a flat sheet into a shape including: (b) bending the blades into a curved shape between the inner connecting section and the outer connecting section; (c) angling the blades by a predetermined angle with respect to the inner connecting section and the outer connecting section; (d) displacing the holding section with respect to the inner connecting section perpendicularly of the sheet so as to shrink the sheet toward the holding section and shrink spaces between the blades; and (e) removing the displaced holding section from the sheet, wherein: the outer connecting section includes: each of the first adjusting portions is arranged to adjust a distance between respective two adjacent ones of the first bridging portions when the holding section is displaced with respect to the inner connecting section perpendicularly of the sheet.