发明名称 MANUAL SLIDE POST DRIVER AND EXTRACTOR FOR T-TYPE METAL ORFIBERGLASS OR PLASTIC POSTS
摘要 A post driving device is disclosed. The post driving device slides to a desired position and is essentially locked in place through frictional force. As the post is driven into the ground, the device can be adjusted to a new position along the length of the post.
申请公布号 CA2428406(A1) 申请公布日期 2003.11.10
申请号 CA20032428406 申请日期 2003.05.09
申请人 KLEINERT, ROBERT AMIL 发明人 KLEINERT, ROBERT AMIL
分类号 E02D7/04;E04H17/26;(IPC1-7):E02D7/04 主分类号 E02D7/04
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