A vertical gang saw produces an ovoidal sawing curve when the frame has at each corner attached feet that are engaged in slide bars which themselves are attached by an extremity to the body of the machine. The lower and upper slide bars undergo a synchronized swing movement that is transmitted by small drive rods. The lower drive rods are driven by an eccentric gear moved vertically. The upper drive rods are driven by an oscillating pinion with a double cam.
申请公布号
US4993299(A)
申请公布日期
1991.02.19
申请号
US19890308163
申请日期
1989.04.24
申请人
GENERAL ELECTRIC COMPANY
发明人
HALLEZ, CHARLES P.;BRACH, KURT;FAVART, VINCENT J. M. G.;DECROLY, JEAN-CLAUDE O. P.;LEDRU, PIERRE L. H. G.;HAAG, WERNER;HECHT, JOSEF