发明名称 Picture frame mat opening cutter
摘要 A versatile mat opening cutter is adapted for cutting circular and oval openings, rectangular openings and, with the aid of a template, special shaped openings. The cutter body mounts a retractable cable wound on a spring-loaded, rotatable spool, an adjustable cutting blade, and a template follower. Circles and ovals are cut utilizing the retractable cable and positioning pins on a working surface. Special shaped openings are cut by using a template and the template follower.
申请公布号 US4176452(A) 申请公布日期 1979.12.04
申请号 US19780909673 申请日期 1978.05.25
申请人 FRAMEWORKS INC 发明人 DUGGINS, RICHARD W;RODGERS, JAMES W
分类号 B26B5/00;(IPC1-7):B26B29/00 主分类号 B26B5/00
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