• Patent Title: Damping return hammer
  • Application No.: US15548044
    Application Date: 2016-02-01
  • Publication No.: US10421179B2
    Publication Date: 2019-09-24
  • Inventor: Qianyi Liu
  • Applicant: Qianyi Liu
  • Agency: Hauptman Ham, LLP
  • Priority: CN201520094010U 20150210
  • International Application: PCT/CN2016/000068 WO 20160201
  • International Announcement: WO2016/127728 WO 20160818
  • Main IPC: B25D1/12
  • IPC: B25D1/12 B25G1/01 B25G3/26 B25G3/38
Damping return hammer
Abstract:
A damping return hammer includes a grip handle, a first elastic damping arm, a second elastic damping arm, and a hammer head provided at the fronts of the first elastic damping arm and the second elastic damping arm, respectively. The front ends of the first elastic damping arm and the second elastic damping arm are upper and lower respectively, and extend at a certain distance forward and are in the same longitudinal section. The two hammer heads are provided at the front ends of the first elastic damping arm and the second elastic damping arm respectively. A gap is between the two hammer heads and is fitted therein with a rubber energy-storage cushion block.
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