发明名称 Key pad, resin key top injection mold, and resin key top manufacturing method
摘要 A key pad has resin key tops on a key sheet. The resin key tops have in their side surfaces clearance portions of a configuration in conformity with an outer configuration of interference members at least an upper portions of which are situated in displacement regions at bottom surface edges of the resin key tops allowing their displacement when they are depressed.
申请公布号 US7014377(B2) 申请公布日期 2006.03.21
申请号 US20030629579 申请日期 2003.07.30
申请人 POLYMATECH CO., LTD. 发明人 YAMAUCHI MOTOSHI
分类号 B41J5/08;H01H13/14;B41J5/10;H01H9/18;H01H11/00;H01H13/02;H01H13/702 主分类号 B41J5/08
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