Rotary meat grinder with bone-collecting facilities

Details Rotary meat grinder with bone-collecting facilities Rotary meat grinder with bone-collecting facilities

1976-02-17

1977-01-25

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

Helical pusher inside tube moves material toward perforated...

A47J 4307

Patent

active

040047423

ABSTRACT:
A meat grinder comprising a horizontally extending hopper-equipped casing, a stationary vertically extending perforated grinder plate at the discharge or outlet end of the casing, a rotary slicing knife in opposed and cooperative relation with the plate, and a rotary meat-impelling worm which feeds the meat product to be ground through the casing from the hopper to the plate and knife, and characterized by the fact that the grinder plate is provided in its forward or inner face with an involute spiral channel or groove into which bone fragments are swept under the influence of the rotating knife to the end that the thus captured bone fragments are caused to shift radially inwards toward the central portion of the plate where they are collected in a more or less closed chamber-like bone-receiving pocket in the form of a counterbore which is formed in and coaxial with the plate. In a modified form of the invention, the bone-capturing channel or groove in the forward face of the stationary perforated grinder plate is linearly straight and communicates with the counterbore in a generally tangential fashion.

REFERENCES:
patent: 3529646 (1970-09-01), Pavia
patent: 3934827 (1976-01-01), Seydelmann

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