- 专利标题: PAVER STONE, BRICK AND BLOCK EXTRACTION TOOL
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申请号: EP18174390.7申请日: 2018-05-25
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公开(公告)号: EP3406826A1公开(公告)日: 2018-11-28
- 发明人: Martelle, David Jay
- 申请人: Martelle, David Jay
- 申请人地址: 9609 Landings Drive Port St. Lucie, Florida 34986 US
- 专利权人: Martelle, David Jay
- 当前专利权人: Martelle, David Jay
- 当前专利权人地址: 9609 Landings Drive Port St. Lucie, Florida 34986 US
- 代理机构: Tomkins & Co
- 优先权: US201762511001P 20170525; US201815988207 20180524
- 主分类号: E04G21/16
- IPC分类号: E04G21/16 ; B65G7/12 ; E01C19/52
摘要:
An apparatus for extracting a paver stone, and the like from a preset position, including a pair of lifting plates having a body containing one or more lifting aid insertion openings at one end, and at an opposing end, a blade portion having substantially concave tabs with tab edges formed along a pair of slots terminating in one or more of stress relief openings between the body and the blade, wedging a first blade between the paver and a first adjacent paver and wedging a second blade at an opposing end of a paver and a second adjacent paver, substantially compressing the tabs storing spring energy in the blades, pushing the tab edges below the bottom plane of the paver, releasing the stored spring energy thereby substantially decompressing and re-forming the tabs such that the tab edges contact and engage the underside of the paver to be extracted.
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