Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 22, 2017
Patent Application Number
15169877
Date Filed
June 1, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
A reciprocating working machine has a lower blade and an upper blade overlapping each other. The lower and upper blades have respective elongated apertures slidably fit around lower and upper eccentric cams, respectively. The lower and upper eccentric cams are arranged at a 180-degree phase from each other. One of the upper eccentric cam and the lower blade has a beveled surface facing the other. The lower blade and the upper eccentric cam are relatively moved away from each other via the beveled surface.
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