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POST DRIVER EXTRACTOR
专利权人:
Reginald Trethewey
发明人:
Reginald Trethewey
申请号:
US13497511
公开号:
US20120279737A1
申请日:
2010.09.21
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A device for driving and extracting a post having a hollow barrel having one closed end and one open end for receiving the post, and two longitudinal handles, wherein at least one handle is pivotally fixed at the closed end of the barrel and releasably secured with a fastener at the other end such that said handle is utilised to facilitate driving of the post or can be released to act as a lever for extracting the post. The device also has a striker disc fixed within the barrel at the closed end with a void between the disc and closed end of the barrel to muffle the noise created during driving of a post.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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