Grinder with easily installable/detachable grinding disc and...

Details Grinder with easily installable/detachable grinding disc and... Grinder with easily installable/detachable grinding disc and...

2007-02-20

2007-02-20

Morgan, Eileen P. (Department: 3723)

Abrading

Frame or mount

Portable abrader

C451S344000

Reexamination Certificate

active

11086463

ABSTRACT:
A grinder with easily installable/detachable grinding disc and a linkage effect. The grinder includes a main body in which a rotary shaft is disposed for a grinding disc mounted under a bottom end of the rotary shaft. A controlling button is switchable for powering on or off the grinder. A linking member is connected with the rotary shaft. A chucking mechanism is mounted in the main body for chucking the linking member. The chucking mechanism has a linking relationship with the controlling button. After powered off, the chucking mechanism is operable to chuck the linking member and prevent the rotary shaft from rotating. At this time, a user can conveniently replace the grinding disc. During replacement of the grinding disc, it is impossible to switch on the controlling button. When the chucking mechanism releases the linking member. The controlling button can be switched on. At this time, it is impossible for the chucking mechanism to chuck the linking member.

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patent: 2002/0115394 (2002-08-01), Krondorfer et al.
patent: 2003/0190877 (2003-10-01), Gallagher et al.
patent: 2004/0043714 (2004-03-01), Yi

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