发明名称 Precision safety hoop for drum
摘要 The method of drum structure formation that includes forming a strip of metal having an elongated edge into a counter hoop to be supported by a drum shell proximate the drum head, and having a hoop shaped edge area formed to resist or prevent drum stick damage, the forming including forming a reduced thickness strip bend proximate the hoop edge area.
申请公布号 US2015248877(A1) 申请公布日期 2015.09.03
申请号 US201213694519 申请日期 2012.12.10
申请人 Drum Workshop, Inc. 发明人 Good John J.
分类号 G10D13/02;B21D53/16 主分类号 G10D13/02
代理机构 代理人
主权项 1. The method of drum structure formation, said structure including a drum shell and a drum head, the method including a) forming a strip of metal having an elongated edge into a hoop to be supported by the shell proximate the head and having a hoop shaped edge area formed to resist or prevent drum stick damage, b) said forming including forming a reduced thickness rolled bend proximate said edge area.
地址 Oxnard CA US