发明授权
- 专利标题： Film spool with separate keeper
- 专利标题（中）： 薄膜卷轴与独立的门将
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申请号： US441848申请日： 1989-11-27
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公开(公告)号： US4974788A公开(公告)日： 1990-12-04
- 发明人: Roger G. Covington
- 申请人： Roger G. Covington
- 申请人地址： NY Rochester
- 专利权人： Eastman Kodak Company
- 当前专利权人： Eastman Kodak Company
- 当前专利权人地址： NY Rochester
- 主分类号： B65H75/28
- IPC分类号： B65H75/28 ; G03B21/32 ; G11B15/67
摘要：
A spool for a strip of film or other web material has a core and an elongate slot through the core for receiving an end portion of the strip. A separate keeper for retaining the end portion in the slot includes a first portion that is snapped into the slot and holds the end portion firmly against one surface of the slot. The keeper has a second portion that is engageable with the strip outside the slot for holding the strip against an arcuate portion of the core. The keeper can be latched in either a first position in which the keeper is partially inserted into the slot during insertion of the end portion into the slot, or a second position in which the keeper is fully inserted into the slot.
公开/授权文献
- US2459494A Line circuit communication system 公开/授权日：1949-01-18