B - Operations – Transporting – 26 – B
Patent
B - Operations, Transporting
26
B
30/65
B26B 1/08 (2006.01) B26B 5/00 (2006.01)
Patent
CA 1080953
UTILITY KNIFE ABSTRACT OF THE DISCLOSURE An utility knife comprising a two part housing, a slidable blade therein, means restricting the blade to a relatively small projection from the housing, spring means normally retracting the blade to fully housed condition within the housing, an exterior thumb piece to slide the blade, frangible means on the thumb piece acting as a stop which when removed allows the blade to project to a greater degree, and means for holding a spare blade in the casing.
313630
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