B - Operations – Transporting – 27 – C
Patent
B - Operations, Transporting
27
C
144/110
B27C 5/10 (2006.01)
Patent
CA 1072421
DEPTH-OF-CUT MECHANISM FOR ROUTERS ABSTRACT OF THE DISCLOSURE A portable electric router comprising a base having a dust chamber formed below a motor mounted to the base to be axially adjustable therein. A pair of handles are connected to the base with a passage formed in one of the handles in communication with the dust chamber. A blower is formed on the top side of the motor with the router connected to and driven by an extension from the motor armature shaft. A flexible conduit interconnects the handle passage and the blower, and a dust bag collects the dust and debris from the blower discharge. The con- duit which interconnects the handle and blower is flexi- ble to permit axial adjustment of the motor within tile base. The motor is journaled in a housing the lower half of which is threaded to receive an internally threaded ring member having outer and inner rings. The outer ring has a flat bottom which sits upon an annular flange formed at the top of the base. Rotation of the outer ring will raise or lower the motor housing to adjust the depth-of-cut. The inner ring is rotatably mounted in the outer ring and is calibrated to correspond to the vertical adjustment of the router bit. A pointer is cast on the base to permit the inner ring to be set to zero prior to rotation of the outer ring to the desired depth-of-cut dimension. A base clamp secures the motor housing within the base at the adjusted position. - 2 -
295174
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