A - Human Necessities – 01 – D
Patent
A - Human Necessities
01
D
56/47.5
A01D 34/73 (2006.01)
Patent
CA 1141553
SPRING WIRE BLADES FOR DRUM TYPE MOWERS ABSTRACT OF THE INVENTION "L" shaped spring wire blades for use on drum type mowers. The upper ends of the vertical leg por- tions of the L-shaped members are fastened to the drum near its upper end and arcuately spaced apart around its cylindrical surface. The vertical portion of each blade projects downwardly at a position closely adja- cent the outer cylindrical surface of the drum and pas- ses through an opening in the disc at the base of the drum whereafter the horizontal portion of each blade ex- tends radially outwardly beneath the disc. A hay cut- ting end of each blade projects radially outwardly beyond the disc to effect cutting of hay as the drum and its uni- tary disc rotate. The spring wire blade can yield rear- wardly about its vertical leg as an axis of torsional twist when its horizontal leg strikes an obstruction. The inherent spring nature of the L-shaped blade will cause it to automatically resume its cutting position when the obstruction is cleared. The mower preferably uses drums in pairs which rotate inwardly toward each other to ef- fect more efficient cutting and to simultaneously windrow the cut hay. Paddle elements are affixed to the outer cylindrical surface of the drum at positions closely in front of the vertical leg of each L-shaped wire blade to aid in the delivery of the harvested hay rearwardly in a windrow and to prevent any cut hay from wedging between the wire blade and the outer surface of the drum. - 1 -
373799
Mathews Bernard C.
Meredith & Finlayson
LandOfFree
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