Impeller and fan blade attachment assembly

Details Impeller and fan blade attachment assembly Impeller and fan blade attachment assembly

1998-06-19

2000-05-09

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416 5, 416221, 416204R, 416205, 416206, 416207, 416208, 416210R, 403 6, 403 9, 403326, 403327, 403329, F04D 2934

Patent

active

060595310

ABSTRACT:
In a fan including a hub mounted for rotation and a plurality of fan blades, an attachment assembly for detachably engaging at least one of the plurality of fan blades with the hub, the attachment assembly comprising a stop carried adjacent an end of a selected one of the plurality of fan blades, a socket carried by the hub for receiving the end of the selected one of the plurality of fan blades, and an abutment mounted for movement between a first position to permit the end of the selected one of the plurality of fan blades to admit into the socket, and a normal second position against the stop.

REFERENCES:
patent: 2237039 (1941-12-01), Newnham
patent: 5421701 (1995-06-01), Funston
patent: 5462412 (1995-10-01), Scofield et al.

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