发明名称 HACKSAW FRAME
摘要 A hacksaw frame with a frame arm telescopically adjustable within a socket in a handle assembly, the frame arm being locked in operating position within the socket and a blade simultaneously tensioned by a movable lever on the handle assembly. Moving the lever from an open to a locked position cocks and binds the frame arm within the socket thereby rigidly securing the hacksaw frame in operating position.
申请公布号 US3636997(A) 申请公布日期 1972.01.25
申请号 USD3636997 申请日期 1970.06.29
申请人 MALCO PRODUCTS INC. 发明人 MARK W. KEYMER
分类号 B23D51/12 主分类号 B23D51/12
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