Invention Grant
- Patent Title: Post driver and puller
- Patent Title (中): 后驱动和拉拔
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Application No.: US13042626Application Date: 2011-03-08
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Publication No.: US09074334B2Publication Date: 2015-07-07
- Inventor: Matt Palmlund , Leroy B. Stumpe
- Applicant: Matt Palmlund , Leroy B. Stumpe
- Applicant Address: US SD Sioux Falls
- Assignee: Sioux Steel Company
- Current Assignee: Sioux Steel Company
- Current Assignee Address: US SD Sioux Falls
- Agency: Woods, Fuller, Shultz & Smith, P.C.
- Agent Jeffrey A. Proehl
- Main IPC: B25D9/00
- IPC: B25D9/00 ; B25D11/00 ; B25D13/00 ; E21B1/00 ; E02D13/00 ; E04H17/26
Abstract:
A post driving and removal system comprising a base frame for mounting on a mobile base, a gripping apparatus mounted on the base frame and configured to selectively grip a post, and a driver apparatus mounted on the base frame and configured to impact a post held by the gripping apparatus.
Public/Granted literature
- US20110240321A1 POST DRIVER AND PULLER Public/Granted day:2011-10-06
Information query
