Food grinder with electronically adjustable grind settings,...

Details Food grinder with electronically adjustable grind settings,... Food grinder with electronically adjustable grind settings,...

2011-01-25

2011-01-25

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

With automatic control

C241S261200, C241S259100, C241S286000

Reexamination Certificate

active

07874505

ABSTRACT:
A grinder (30) has a toolessly attached ingredient hopper assembly (50) overlying a toolessly attached fixed grinding burr (134) defining the top of a grind chamber (158) within which is received a mating rotary grinding burr (150) that is slidably mounted to a rotary drive motor (154) for adjustment relative to the fixed grinding burr (134). Adjustment is achieved automatically by control of a stepper motor (168) that pushes on the end of an elongate member (151) passing through a hollow rotary drive axle (152) and carrying the rotary grinding burr (150) at an opposite end. Start of a grinding cycle in response to actuation of a start switch is inhibited if a pair of photosensors (81, 82) do not detect location of a ground ingredient container (68) in a correct position for receipt of the ground food ingredient, if an automatically closable hopper cover lid (57) is not in a closed position or if grinding parameters, such as the fineness of the grind and the amount of ingredient to be ground has not been detected.

REFERENCES:
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patent: 4502643 (1985-03-01), Burggrabe
patent: 4786001 (1988-11-01), Ephraim et al.
patent: 4878625 (1989-11-01), Newnan
patent: 5201474 (1993-04-01), Midden
patent: 6595445 (2003-07-01), Fagan et al.
patent: 6626085 (2003-09-01), Lassota
patent: 6783089 (2004-08-01), Lassota
patent: 6966507 (2005-11-01), Yang
patent: 7264186 (2007-09-01), Lassota

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