B - Operations – Transporting – 27 – B
Patent
B - Operations, Transporting
27
B
143/56
B27B 19/04 (2006.01) B23D 51/00 (2006.01) B23D 51/14 (2006.01) B23D 51/16 (2006.01) B23D 59/00 (2006.01)
Patent
CA 1288670
19 MOTORIZED SCROLL SAW ABSTRACT OF THE DISCLOSURE The scroll-saw disclosed is constructed so as to make the task of clamping and un-clamping the saw-blade very simple and very quick. The quick-change facility makes it possible for a craftsman to contemplate cutting intricate designs having myriads of internal shapes. The electric motor of the scroll-saw is connected to the blade by means of a clutch. The clutch is operated by a foot-pedal. The blade is kept in constant tension by a spring. The scroll-saw includes a shoe, which is guided for up/down movement -- when up, the shoe is clear of the blade -- when down, the shoe comes into contact with the blade, and allows the blade to be de-tensioned. Thus, the blade can be un-clamped, and moved to the next internal shape to be cut, while the vertical position of the blade is controlled by the shoe. The movement of the shoe also is controlled by the foot- pedal. The operation of the foot-pedal is such that the first part of the pedal movement disengages the clutch, and the later part of the movement operates the shoe.
536313
Asquith Anthony
Cadorin Gino
LandOfFree
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