Discharge opening and power control structure of a grinder

Details Discharge opening and power control structure of a grinder Discharge opening and power control structure of a grinder

2007-06-15

2009-10-20

Francis, Faye (Department: 3725)

Solid material comminution or disintegration

Apparatus

Hand support comminutor

Reexamination Certificate

active

07604190

ABSTRACT:
A discharge opening and power control structure of a grinder is disclosed to include a grinder body, which has a discharge opening for discharge of the ground powder and a battery chamber with a positive and negative contacts extended out of the grinder body, and a shut device, which has a slot and a metal contact plate and is rotatable relative to the grinder body between the open position where the slot is in alignment with the discharge opening to open the discharge opening and the metal contact plate is in contact with the positive and negative contacts to turn on the power supply, and the close position where the discharge opening is closed and the power supply of the grinder is off.

REFERENCES:
patent: 4960246 (1990-10-01), Fohrman
patent: 5865384 (1999-02-01), Pai
patent: 6880773 (2005-04-01), Pai

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