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发明名称
Protective device for paper shredders
摘要
A paper shredder has cutting discs that are protected by detecting the approach of a metal object. When the object is detected, the motor that drives the discs is deenergized and a brake is applied to stop the cutting discs.
申请公布号
US5318229(A)
申请公布日期
1994.06.07
申请号
US19920978337
申请日期
1992.11.18
申请人
BROWN, JOHN D.
发明人
BROWN, JOHN D.
分类号
B02C18/00;B02C18/24;B02C23/04;(IPC1-7):B02C25/00
主分类号
B02C18/00
代理机构
代理人
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