Joints and connections – Flexible member is joint component
Patent
1984-05-15
1992-04-07
Stodola, Daniel P.
Joints and connections
Flexible member is joint component
403121, 464155, F16C 100
Patent
active
051022559
ABSTRACT:
A flex-joint assembly (36) having a pair of identical flex joints (102,104) between three sections of shaft, front (88), center (86) and rear (90). Each flex joint, i.e., (102), consists of a pair of substantially semi-cylindrical bearings (89,93) and a trunnion block (92). The block (92) is a double wedge having long arcuate edges (106,108) at opposite sides thereof, the two edges being orthogonal to each other. The edges (106,108) fit into the bearings (89,93), and the bearings (89,93) and trunnion block (92) fit into complementarily shaped end-sections (91,95) in the facing ends of their associated shafts (88,86). The shafts (88,86,90), the bearings (89,93) and (98,100), and the blocks (92) and (94) are formed with a central bore (121) in which a wire (96) is placed. The wire (96) is placed under tension and affixed at the ends of the front and rear shafts (88) and (90). Retaining rings (74), (76) and (70,72) are placed around the outsides of the shafts in the bearing areas of the flex joints to maintain alignment of the flex-joint assembly (36). Each flex joint (102,104) is rotatable around two orthogonal axes which lie in planes orthogonal to the axis of the flex-joint assembly (36).
REFERENCES:
patent: 934140 (1909-09-01), Corcoran
patent: 1494465 (1924-05-01), Dunn et al.
patent: 3203285 (1965-08-01), Schmidt
patent: 3730544 (1973-05-01), Hyman
patent: 3885881 (1975-05-01), Goldmann
patent: 4202605 (1980-05-01), Heinz
patent: 4224695 (1980-09-01), Grundei et al.
patent: 4565541 (1986-01-01), Obrecht
Faulkner David C.
Field Harry B.
Hamann H. Fredrick
Rockwell International Corporation
Stodola Daniel P.
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