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Sash-ten′on-ing ma-chine′.

A machine for cutting the tenons on sash-slats. Machines of similar construction are used in cutting tenons on slats of Venetian blinds.

Sash-tenoning machine.

In the machine shown in Fig. 4585, the upper and lower cutter-heads raise and lower by a set-screw operated by a hand-wheel c, and by this adjustment any thickness of tenon may be made, the carriage d remaining stationary as to its vertical adjustment, but sliding easily across the bed of the machine, carrying the slats between the cutters. The upper cutter has an endwise adjustment on its arbor, so as to cut a longer tenon on one side of the slat if desired. The driving-belt e passes over the pulleys of both cutters, propelling them at uniform speed.

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