Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 14, 2010
Patent Application Number
12086067
Date Filed
November 22, 2006
Patent Primary Examiner
Patent abstract
A portable electric grinder with an air cooling system and connected to a remote stationary voltage supply means (19, 20) via a cable (16), wherein a cooling air duct (21) is provided to connect cooling air passages (23a, b) in the grinder housing (10) to a stationary air pumping device, and the air pumping device is provided with a filter unit (24) for preventing dust and other undesirable particles from entering the air duct (21) and reaching the cooling air passages (23a, b) of the grinder housing (10).
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