B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/5
B25B 27/00 (2006.01) B25B 27/20 (2006.01) B25B 31/00 (2006.01)
Patent
CA 1107541
D-20659 KNOCKOUT EXTRACTING TOOL Abstract of the Disclosure A hand tool for quickly, easily, and cleanly removing concentric knockout rings from electrical sheet metal enclosures. The tool is an elongated member fabricated of flat metal stock. Notches in opposite edges at one end of the tool are adapted to engage opposite inner edges of a knockout ring having a central opening. The tool is rocked back and forth pivoting the two halves of the knockout ring about the tabs retaining it in the sheet metal of the enclosure until the tabs fracture completely severing the knockout ring form the enclosure and providing an opening in the enclosure wall for accommodating cable or con- duit.
319903
Gte Sylvania Canada Limited
R. William Wray & Associates
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