Turntable positioning device of desk type cutting machine

A turntable positioning device of a desk-top cutting machine comprising a base, a turntable mounted on the base to be rotatable, a work support fence mounted to the base for guiding a workpiece to be cut, a cutter means disposed swingably towards the workpiece put on the turntable, and a turntable positioning device for positioning the turntable to a predetermined position for a workpiece cutting operation, said turntable positioning device comprising:

• a lock means secured to a side end of the turntable and adapted to be engageable with the base;
• a positioning engaging means disposed on either one of the turntable and the base;
• and
• an engaging receive means formed on the other of the turntable and the base to be engageable with the positioning engaging means,
• said positioning engaging means comprising an engaging base member secured to one of the turntable and the base to be detachable and adjustable in position, an elastic member disposed in association with the engaging base member, and an engaging member engaged with the engaging receive means by an urging force of the elastic member, said engaging base member comprising a substantially rectangular plate-like member connected to said lock means and having corner portions at which elongated holes are formed, respectively, and a recessed portion formed at a substantially central portion of the plate-like member.