Blender blade

Details Blender blade Blender blade

2005-12-13

2005-12-13

Sorkin, David (Department: 1723)

Solid material comminution or disintegration

Apparatus

Rotating comminuting surface

C366S205000

Reexamination Certificate

active

06974099

ABSTRACT:
A blade (10) for a blender includes a center portion (11) which includes the axis of rotation. Blade wings (13, 14) extend outwardly from the center portion (11) and wing tips (15, 16) are positioned at the end of the wings (13, 14). The wings (13, 14) and wing tips (15, 16) having leading edges (21, 22) and trailing edges (23, 24). The portion of the leading edges (21, 22) along the wings (13, 14) have beveled edges (13A,14A) at the bottom surface thereof, and the portion of the leading edges (21, 22) along the wing tips (15, 16) have beveled edges (15A,16A) formed at the top surfaces thereof. Each of the wings (13, 14) has an effective width to length ratio of greater than 0.287, the length being measured between the axis of rotation and the distal ends of the wing tips (15, 16).

REFERENCES:
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patent: 5647546 (1997-07-01), Sinovas et al.
patent: 5655834 (1997-08-01), Dickson
patent: D433282 (2000-11-01), Bohannon, Jr. et al.
patent: D435192 (2000-12-01), Bohannon, Jr. et al.
patent: 6481655 (2002-11-01), Feigel, Jr.

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