Solid material comminution or disintegration – Apparatus – With automatic control
Reexamination Certificate
2009-03-06
2010-02-16
Francis, Faye (Department: 3725)
Solid material comminution or disintegration
Apparatus
With automatic control
C241S100000, C241S101300, C241S236000
Reexamination Certificate
active
07661613
ABSTRACT:
A paper shredder includes a shredder body, a bin, a sensing module and a dust cleaner. The dust cleaner has a cleaning element for cleaning the sensing module. The cleaning element is attached on a swing rod. The swing rod has a first end adjacent to the sensing module and a second end inserted into the bin. During the bin is withdrawn from the paper shredder, the swing rod is swung by the inner wall of the bin and thus the cleaning element is contacted with the sensing module to clear off the dust on the sensing module.
REFERENCES:
patent: 5897065 (1999-04-01), Schwelling
patent: 6978954 (2005-12-01), Kroger et al.
Francis Faye
Kirton & McConkie
Primax Electronics Ltd.
Witt Evan R.
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