发明授权
- 专利标题: Hammer bit
- 专利标题(中): 锤头
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申请号: US13611760申请日: 2012-09-12
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公开(公告)号: US09353576B2公开(公告)日: 2016-05-31
- 发明人: Roger D. Skaggs
- 申请人: Roger D. Skaggs
- 申请人地址: US MO Farmington
- 专利权人: International Tool Corporation
- 当前专利权人: International Tool Corporation
- 当前专利权人地址: US MO Farmington
- 代理机构: Polsinelli PC
- 主分类号: E21B10/36
- IPC分类号: E21B10/36 ; E21B10/38
摘要:
A hammer bit is herein described with tapered lateral sides and a modified face section. The tapered lateral sides taper inward towards a rear portion of the hammer bit. The modified face section includes a gauge portion and a larger angled or heel portion. The hammer bit provides improved penetration and directional control for drilling into the earth.
公开/授权文献
- US20140069722A1 HAMMER BIT 公开/授权日:2014-03-13
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