Rotary lawn mower

Details Rotary lawn mower Rotary lawn mower

1996-07-19

1998-07-07

Melius, Terry Lee

Harvesters

Cutting

Rotating-cutting-disk type

56 175, 56295, A01D 5518

Patent

active

057750785

ABSTRACT:
A rotary mower (42) suitable for mowing ground vegetation including a cutting system (76) having a cutting deck (105). Mounted beneath the cutting deck (105) is a plurality of rotatable cutting blades (16), wherein each cutting blade (16) comprises a central portion (60) and first and second spaced apart tip portions (62a, b), wherein each tip portion (62) comprises a leading edge (56 ) having a sharpened cutting surface (64) for cutting the vegetation, a trailing edge (58), and an extending surface or "sail" (70) generally extending from the tip portion (62), whereby the sail (70a) of the first tip portion (62a) is different from than the sail (70b) of the second tip portion (62b).

REFERENCES:
patent: 3014330 (1961-12-01), Oberdick
patent: 3109275 (1963-11-01), Dunlap et al.
patent: 4214426 (1980-07-01), Lindblad
patent: 4257214 (1981-03-01), Ferguson et al.
patent: 4578938 (1986-04-01), Genesco
patent: 4922697 (1990-05-01), Paiva et al.
patent: 4951449 (1990-08-01), Thorud
patent: 4977735 (1990-12-01), Davis
patent: 5094066 (1992-03-01), McBride et al.
patent: 5109656 (1992-05-01), Zimmer
Toro Parts Calatog--Guardian.RTM. 72" Recycler.RTM.--p. 7, Form No. 3315-602A, Copyright 1992, Rev. 1993.
Toro Parts Catalog--Groundsmaster.RTM. 455D--pp. 78-80, Form No. 3316-247 Rev. A, Copyright 1994.

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