Cotter device for lawn mower

Details Cotter device for lawn mower Cotter device for lawn mower

1992-02-24

1993-11-09

Melius, Terry Lee

Harvesters

Cutting

Rotating-cutting-disk type

56295, 56DIG20, A01D 3468

Patent

active

052591760

ABSTRACT:
A lawn mower has a cutter device which includes lower and upper cutter blades coupled to a rotatable shaft drivable by an engine and substantially horizontally rotatable in a direction. The lower cutter blade has a distal end region including a cutting edge facing in the direction of rotation. The upper cutter blade extends substantially parallel to the lower cutter blade, and has a distal end region including a cutting edge facing in the direction of rotation and positioned forwardly of the cutting edge of the lower cutter blade. The width of the distal end region of the lower cutter blade is larger than the width of the distal end region of the upper cutter blade. The distal end regions of the lower and upper cutter blades extend substantially parallel to each other and are vertically spaced from each other, with an air passage defined therebetween. The lower cutter blade has a substantially upwardly raised portion disposed behind the cutting edge thereof in the direction of rotation for directing an air flow upwardly in the air passage.

REFERENCES:
patent: 2760327 (1956-08-01), Bovee
patent: 4161096 (1979-07-01), Biberger
patent: 4426831 (1984-01-01), Khas et al.
patent: 4736576 (1988-04-01), Mallaney et al.
patent: 4922698 (1990-05-01), Taylor
patent: 4977735 (1990-12-01), Davis
patent: 5019113 (1991-05-01), Burnell
patent: 5109656 (1992-05-01), Zimmer

Affiliated with

Also associated with

Rating

Cotter device for lawn mower does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cotter device for lawn mower, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cotter device for lawn mower will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1134878