Lawn mower

Details Lawn mower Lawn mower

A - Human Necessities

01

D

56/42.5

A01D 34/685 (2006.01)

Patent

CA 1041773

ABSTRACT OF THE DISCLOSURE A lawn mower is disclosed, having a novel cutting arrangement. The mower has a housing with an open bottom, and a blade carrying rotor mounted within the housing. The blades are disc cutters, mounted in pairs on the rotor by means of support members themselves pivotally mounted on the rotor. One blade of each pair has a driving shaft that projects upwardly from the support member and carries a roller at its upper end. Upon rotation of the rotor, the support members swing outwardly under centrifugal force until the rollers come into contact with a ring mounted on the underside of the housing top wall. This contact drives the roller, its shaft and the associated blade. The other blade has a shaft that is biased with an appropriate spring to bring the two blades into overlapping contact. Thus, rotation of the one roller causes counter-rotation of the other.

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