Invention Grant
- Patent Title: Air hammer for a boring machine
- Patent Title (中): 空气锤为镗孔机
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Application No.: US13514267Application Date: 2009-12-22
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Publication No.: US09103164B2Publication Date: 2015-08-11
- Inventor: Suk Sin In
- Applicant: Suk Sin In
- Applicant Address: KR Gwangju
- Assignee: HANJIN D&B CO., LTD.
- Current Assignee: HANJIN D&B CO., LTD.
- Current Assignee Address: KR Gwangju
- Agency: Lexyoume IP Meister, PLLC
- International Application: PCT/KR2009/007692 WO 20091222
- International Announcement: WO2011/078421 WO 20110630
- Main IPC: B25D9/00
- IPC: B25D9/00 ; E21B4/14

Abstract:
An air hammer for a boring machine includes a main body, a first bushing member, a second bushing member installed at an end on the opposite side of the main body, a bit unit installed at an end of the second bushing member, a piston hammer, a pneumatic discharge part formed at the top end of the second bushing member, and a pneumatic pressure distribution part formed on the piston hammer.
Public/Granted literature
- US20120261151A1 AIR HAMMER FOR A BORING MACHINE Public/Granted day:2012-10-18
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