Solid material comminution or disintegration – Apparatus – With automatic control
Reexamination Certificate
2007-01-02
2007-01-02
Francis, Faye (Department: 3725)
Solid material comminution or disintegration
Apparatus
With automatic control
C241S100000
Reexamination Certificate
active
11312047
ABSTRACT:
A paper shredder delaying device according to the present invention includes a pushing block installed by the paper feeding entrance inside of a top lid and the two conductors each screwed on one side of the pushing block. When papers are inserted into the paper feeding entrance, the aforesaid pushing block is pushed and thus oppresses the two conductors to conduct power and activates the electrical delaying device for the paper shredder to achieve delaying purpose.
REFERENCES:
patent: 5167374 (1992-12-01), Strohmeyer
patent: 6308904 (2001-10-01), Chang
Francis Faye
Pro-Techtor Int'l Services
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