Pneumatic grinder with easily replacing grinding disc

Details Pneumatic grinder with easily replacing grinding disc Pneumatic grinder with easily replacing grinding disc

2006-03-21

2006-03-21

Rose, Robert A. (Department: 3723)

Abrading

Frame or mount

Portable abrader

C451S295000

Reexamination Certificate

active

07014548

ABSTRACT:
A pneumatic grinder with easily replacing grinding disc, including: a main body in which a rotary shaft is eccentrically pivotally connected with and is driven by a drive shaft of the pneumatic grinder, a bottom end of the rotary shaft being for mounting a grinding disc; a rotary member fixedly connected with the bottom end of the rotary shaft and synchronously rotatable with the rotary shaft; and an engaging mechanism movably mounted in the main body. When the engaging mechanism is moved to an engaging position, the engaging mechanism clogs the rotary member to prevent the rotary shat from rotating for replacing the grinding disc. After the replacement is completed, make the engaging mechanism move to a releasing position and releases the rotary member, permitting the rotary shaft to rotate.

REFERENCES:
patent: 1270808 (1918-07-01), Franklin
patent: 2211216 (1940-08-01), Oster
patent: 3872951 (1975-03-01), Hastings, Jr.
patent: 3899852 (1975-08-01), Batson
patent: 4400995 (1983-08-01), Palm
patent: 5766062 (1998-06-01), Edling
patent: 235598 (1987-09-01), None

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