发明授权
- 专利标题： Sheet feed tractor
- 专利标题（中）： 供纸拖拉机
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申请号： US957683申请日： 1978-11-06
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公开(公告)号： US4194660A公开(公告)日： 1980-03-25
- 发明人: Alan F. Seitz
- 申请人： Alan F. Seitz
- 申请人地址： CT Torrington
- 专利权人： Data Motion, Inc.
- 当前专利权人： Data Motion, Inc.
- 当前专利权人地址： CT Torrington
- 主分类号： B65H20/20
- IPC分类号： B65H20/20
摘要：
A sheet-feed tractor is provided with raised land portions adjacent its drive and idler wheels. The raised land portions are positioned on the chassis of the tractor and shaped to form wall surfaces that are in radial registration with borders on a drive belt trained around the drive and idler wheels. The wall surfaces provide a positive means for preventing outward movement of the drive belt off the drive wheel and therefore prevent their disengagement.
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