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    • 7. 发明授权
    • Hole punch
    • 孔打孔
    • US08347770B2
    • 2013-01-08
    • US12264329
    • 2008-11-04
    • Jonathan Newman CedarPrzemyslaw GodyckiDan ReillyKenneth Zins
    • Jonathan Newman CedarPrzemyslaw GodyckiDan ReillyKenneth Zins
    • B26F1/14
    • B26F1/36B26D5/10Y10T83/8851Y10T83/9423Y10T83/943
    • A hole punch includes a base and a handle assembly to actuate a punch pin. The base may include a housing enclosing a punch head, and the housing may include an opening where the handle assembly is adapted to be recessed within the opening. The handle assembly may include a first linkage and a second linkage, each pivotally coupled to the base, and a third linkage pivotally coupled to both the first and second linkages, where the third linkage is arranged to move substantially parallel to the base. The first linkage may be substantially parallel to the second linkage when the punch pin is in a rest position, and the second linkage may be configured to nest within the first linkage when the punch pin is in a deployed position.
    • 孔冲头包括底座和手柄组件以致动打孔销。 基座可以包括封闭冲头的壳体,并且壳体可以包括开口,其中手柄组件适于在开口内凹入。 手柄组件可以包括第一连杆机构和第二连杆机构,每个连杆机构枢转地联接到基座,以及枢转地联接到第一和第二连杆两者的第三连杆,其中第三连杆机构被布置成基本上平行于基部移动。 当冲头销处于静止位置时,第一连杆机构可基本上平行于第二连杆机构,并且当冲头销在展开位置时,第二连杆机构可构造成嵌入第一连杆机构内。