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High volume grinder

  • US 5,865,383 A
  • Filed: 05/09/1997
  • Issued: 02/02/1999
  • Est. Priority Date: 09/30/1996
  • Status: Expired due to Fees
First Claim
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1. A grinder for grinding materials to produce a ground substance, said grinder comprising:

  • a cabinet, a grinder motor retained in said cabinet, a grinder mechanism coupled to said motor for grinding said material, and a hopper communicating with said grinder mechanism to deliver said material for grinding therein;

    a discharge assembly positioned proximate to said grinder mechanism having a chute extending therefrom for discharging ground substance therethrough;

    a container retaining assembly attached to said grinder for retaining a container in close proximity to said chute from which said ground material is dispensed from said grinder mechanism, said container retaining assembly including a cam body positioned between said grinder mechanism and said chute and pivotable away from and toward said chute between a releasing position and a retaining position, in said releasing position a container may be positioned between said chute and said cam body, in the retaining position, the cam body is pivoted towards said chute for retaining the container between said cam body and said chute;

    an activation switch assembly attached to said grinder in close proximity to said container retainer and coupled to said grinder motor to selectively control said grinder wherein said grinder is activated when a container is placed and retained proximate to said grinder and said grinder motor is deactivated when said container retaining container proximate to said grinder;

    a substance settling assembly attached to said grinder in proximity to said container retaining assembly for moving a container retained by container retaining assembly to setting said substance as it is dispensed from said grinder mechanism into said container, said substance settling assembly having a shaker plate attached to said grinder inside said cabinet and included an agitating device for acting on said shaker plate, said agitating device being positioned in said cabinet;

    a chaff retaining plate pivotably positioned proximate to a grinder discharge passage for maintaining chaff in a ground substance;

    a clean-out member attached to said grinder and selectively engageable with said chaff retaining plate for pivoting said chaff retaining plate to allow chaff and ground substance to be exhausted from said grinder;

    a magnetic collection device positioned in said hopper for capturing magnetic pieces to prevent such pieces from entering said grinder mechanism; and

    an active ventilation system providing passages in an upper portion of said cabinet and a fan in a lower portion of said cabinet for moving air through said through said cabinet and out through said passages for actively and controllably removing heat from said grinder.

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