Abstract: A cutter blade mounting for a rotary mower of the type having a disc carrying two or more blades. The blades are each mounted on a plurality of arms which are pivotally connected at one end thereof to the disc. At the swingable ends of each arm there is a stepped shaft member. The blades are each provided with an aperture to fit over one of the steps of each shaft; and the disc is provided with a plurality of apertures to fit over a second step of each shaft. A blade is inserted in the space between the swinging end of the arm and the disc. Then the arm is swung toward the disc, the one step of the shaft seating in the aperture of the blade and the second step seating in the aperture of the disc. The arm is then secured by fastening means against swinging which in turn clamps the blade to the disc.

Abstract: A rotary mower of the type having a plurality of side-by-side cutter discs carried on an elongated beam whereby at least the outermost cutter disc of two cutter discs, which are located on the grassward or outboard end of the beam, is provided with paddle means for conveying cut crop inwardly from the standing crop on the grassward side of the mower and depositing the cut crop rearwardly of the direction of travel of the mower. Also at least the outermost disc of the two outboard cutter discs is provided with depending skirt means for sweeping cut crop out from between the underside of the cutter disc and the beam; and the outboard end of the beam is provided with a shoe means for riding the beam over ground obstructions.