Grinder capable of seizing rotary shaft

Details Grinder capable of seizing rotary shaft Grinder capable of seizing rotary shaft

2006-10-31

2006-10-31

Morgan, Eileen P. (Department: 3723)

Abrading

Frame or mount

Portable abrader

C451S357000

Reexamination Certificate

active

07128641

ABSTRACT:
A grinder having a rotary shaft and a grinding disc mounted at a bottom end of the rotary shaft for grinding a work piece. A press button unit is disposed on a housing of the grinder. By means of pressing the press button unit, the rotary shaft of the grinder can be seized for replacement of the grinding disc. Before pressing the press button unit, a user must first angularly displace the press button unit. That is, the press button unit cannot be directly pressed without being first turned by a certain angle. Therefore, in operation, mis-touch of the press button unit can be avoided so as to avoid damage of the grinder.

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patent: 3120871 (1982-12-01), None

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