发明名称 Folding hand knife
摘要 A folding tool assembly including two C-shaped handle pieces pivotally engaged to the end of the tool to fold-over onto the tool in one pivotal limit or to fold against each other at the other limit to expose the tool. The pivotal end of the tool includes a cam surface opposed by springs from each handle piece including distentions in the surface for preferred spring alignment. Additionally, the pivotal end of each piece is shaped to oppose the other unless displaced in pivotal engagement along a slot.
申请公布号 US4672743(A) 申请公布日期 1987.06.16
申请号 US19860906987 申请日期 1986.09.15
申请人 GRAHM, ROBERT D. 发明人 GRAHM, ROBERT D.
分类号 B26B1/02;B26B1/00;(IPC1-7):B26B29/02 主分类号 B26B1/02
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