发明授权
- 专利标题： Vacuum conveyor
- 专利标题（中）： 真空输送机
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申请号： US3618937D申请日： 1968-07-25
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公开(公告)号： US3618937A公开(公告)日： 1971-11-09
- 发明人: FOLLETT WILLIAM E
- 申请人： WILLIAM E FOLLETT
- 专利权人： William E Follett
- 当前专利权人： William E Follett
- 优先权： US74760568 1968-07-25
- 主分类号： B65H5/22
- IPC分类号： B65H5/22 ; B65H29/32 ; G06K13/073 ; G06K13/107
摘要：
A vacuum conveyor having a plenum chamber has a zigzag bottom with planar walls having openings which are normally closed by sheetlike main flaps. The leading edge of a sheet engages pilot valve flaps on the main flaps to first open the pilot valve flaps and then engages and opens the main flaps.
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