CPC B23B 51/0426 (2013.01) [B23B 51/0473 (2013.01)] | 18 Claims |
1. A quick change hole cutting accessory, including:
an arbor moveable without use of an external tool among a first configuration, a second configuration, and a third configuration, the arbor including:
a shaft portion extending along an axis;
a sleeve movably coupled to the shaft portion;
a plurality of recesses defined in one of the shaft portion or the sleeve; and
a detent coupled to the other of the shaft portion or the sleeve and configured to selectively engage the plurality of recesses upon movement of the sleeve relative to the shaft portion;
an annular hole saw configured to be releasably coupled to the arbor; and
a pilot drill bit configured to be releasably coupled to the arbor,
wherein
in a first position of the sleeve relative to the shaft portion corresponding to the first configuration of the arbor, the detent engages a first recess of the plurality of recesses, and both the hole saw and the pilot drill bit are fixedly coupled to the arbor;
in a second position of the sleeve relative to the shaft portion corresponding to the second configuration of the arbor, the detent engages a second recess of the plurality of recesses, and one of the hole saw or the pilot drill bit is releasable from the arbor while the other of the hole saw or the pilot drill bit remains fixedly coupled to the arbor; and
in a third position of the sleeve relative to the shaft portion corresponding to the third configuration of the arbor, the detent engages a third recess of the plurality of recesses, and the other of the hole saw or the pilot drill bit is releasable from the arbor.
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