B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/63
B26D 5/00 (2006.01) A61F 15/02 (2006.01) B23D 47/00 (2006.01) B23D 59/00 (2006.01) B23Q 1/00 (2006.01) B23Q 11/00 (2006.01)
Patent
CA 1192835
ABSTRACT A surgical cast cutter or other power tool comprises a main tool section and a complementary hose section releasably secured to the tool section rearwardly thereof. The sections have respective cooperating rib means formed therein which slidably engage each other (in a direction transverse to the longitudinal axis of the tool section) as the sections are brought together; and the sections are retained by a releasable latching means. A low-voltage electric motor in the tool section drives a transmission which oscillates a cutter mounted forwardly of the tool section. A debris conduit in the tool section communicates with an opening formed in the hose section when the sections are joined together. The hose section carries a flexible vacuum hose communicating with the opening therein, thereby facilitating removal of dust particles generated during operation of the cutter to remove a plaster cast. A low-voltage cable is carried by the vacuum hose and is connected to electrical contacts carried by the hose section. These contacts engage corresponding electrical contacts carried by the tool section, when the sections are brought together, for energization of the motor through a switch carried by one of the sections. The sections have respective side housing edges which are inclined with respect to the respective cooperating rib means; these side housing edges are brought into substantial abutting engagement when the sections are fully joined. The opening in the hose section, as well as the rearward opening of the debris conduit, are also inclined with respect to the respective cooperating rib means to assure good sealing engagement therebetween when the sections are fully joined.
421994
Black & Decker Inc.
Gowling Lafleur Henderson Llp
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