Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 6, 2021
Patent Application Number
16879315
Date Filed
May 20, 2020
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a hand gripper including a first arm, a second arm, a pair of spring members, a first spring member coupling shaft, and a second spring member coupling shaft, wherein a plurality of first elastic force adjusting grooves and a plurality of second elastic force adjusting grooves, to which the first spring member coupling shaft and the second spring member coupling shaft are selectively coupled, respectively, to adjust strength of elastic force provided by the spring members, are formed in a first body of the first arm and a second body of the second arm, respectively.
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