Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Walter Odoni0
Harald Fielitz0
Robert Spasov0
Date of Patent
October 19, 2010
0Patent Application Number
120827080
Date Filed
April 11, 2008
0Patent Primary Examiner
Patent abstract
A hand-held drive-in tool for driving fastening elements in a workpiece and including a guide (12), a drive-in ram (13) displaceable in the guide (12) for driving a fastening element in, a drive-in unit (30) for driving the drive-in ram (13) and including at least one first drive spring (31) and at least one second drive spring (32) having respectively, opposite first and a second expansion directions (37, 38), and a tensioning device for preloading the drive-in ram (13) and the first drive spring (31).
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