Fan blade assembly and coupling

Details Fan blade assembly and coupling Fan blade assembly and coupling

1978-03-29

1980-02-05

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Adjustable

416210R, F04D 2936

Patent

active

041870565

ABSTRACT:
A fan blade is adjustably connected to a power driven shaft by means of a hollow coupling with a flat bearing surface on its inside face, and surrounding a hole through its radially outer face. The fan blade shank extends through the hole and is captured by a split ring that has a rim which is compressed against the inside bearing surface by a shoulder on the shank. A removable yoke is held against the blade shaft or shoulder by bolts which pass through the coupling's radially outer face, span the rims and shoulder, and engage into tapped holes in the yoke.

REFERENCES:
patent: 2573875 (1951-11-01), Riddiford
patent: 2765859 (1956-10-01), Hartzell et al.
patent: 2844207 (1958-07-01), Curley
patent: 2981338 (1961-04-01), Hindmarch
patent: 3324953 (1967-06-01), Greenhill
patent: 3545884 (1970-12-01), Schroeter et al.
patent: 3984194 (1976-10-01), Fermer et al.

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