Blade control system for concrete cutting apparatus

Details Blade control system for concrete cutting apparatus Blade control system for concrete cutting apparatus

E - Fixed Constructions

01

C

143/19, 94/51

E01C 23/09 (2006.01) B28D 7/00 (2006.01)

Patent

CA 1303465

ABSTRACT OF THE DISCLOSURE A hydraulic system for a pavement cutting machine controls the engagement and disengagement of a rotating blade with a pavement surface, A proportional flow manual-release valve is arranged in series with a pressure-compensated maximum-flow control valve to allow a rapid raising of the blade and an initial relatively rapid lowering of the blade followed by a controllable slower blade descent.

556887

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