U-clip for boltless blade retainer

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade received in well or slot

Patent

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Details

416193A, 416500, F01D 530

Patent

active

041719301

ABSTRACT:
Both the disk and the blade retainer have a radially inward extending flange which axially abuts the other. A U-clip ring with its open side disposed radially outward is placed over the two flanges to hold them axially together and means is provided to maintain the U-clip ring in its holding position. In a preferred embodiment, the ring is constructed with its side farthest from the disk having a substantially greater radial height than that of the side closest the disk, and the circumferential length of the U-clip is so sized that there is a relatively small gap between its ends when it is in the installed position. With these features, the ring will remain in its assembled position without any other holding means. Removal can be effected by first radially moving one end of the ring inwardly with respect to the other and then axially moving it until it clears the other end.

REFERENCES:
patent: 2985426 (1961-05-01), Hunter et al.
patent: 2998959 (1961-09-01), Haworth et al.
patent: 3181835 (1965-05-01), Davis

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