B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
B23D 49/11 (2006.01) B23D 49/10 (2006.01) B27B 21/04 (2006.01) B27B 21/08 (2006.01) B27G 19/00 (2006.01)
Patent
CA 2349320
This invention relates to a hand tool. The tool includes a replaceable cutting portion having an elongate cutting surface, a body and a handle. The body receives displaceable protecting apparatus for shielding the cutting surface of the cutting portion when the tool is not in use. The protecting apparatus is adapted at its forward distal end to contact a portion of the surface of the object to be cut such that when pressure is applied by pushing the tool against the object surface displacement of the protecting apparatus relative to the position of the replaceable cutting portion is effected to expose only as much of the cutting surface of the cutting portion as needed-to effect the required cut in the object. Alignment means maintain alignment of the replaceable cutting portion relative to the position of the protecting apparatus throughout the cutting action. When the cutting action is completed resilience means facilitates return of the protecting apparatus to a position whereby the cutting surface of the cutting portion is no longer exposed.
Blake Cassels & Graydon Llp
Hawketts Geoffrey
LandOfFree
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