IP Library Patent Application 10838862
Patent Application
App. No. 10/838,862

Bed knife and method of forming

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Quick Facts
Patent No.
US None
App. No.
10/838,862
Abstract

A method of manufacturing a bed knife for a reel mower. The method includes cold roll forming spring steel, flattening and straightening the spring steel, shaping the spring steel through a plurality of rollers to impart a bending force upon the spring steel to define a mounting portion and an upturned portion, and grinding a portion of the upturned portion to form a cutting edge.

Claims (13)

1 . A method of manufacturing a bed knife for a reel mower, said method comprising:

providing a generally planar spring steel member which defines a blank for the bed knife;

shaping said spring steel member through a plurality of rollers to impart a bending force upon said spring steel member to define a mounting portion and an upturned portion of the bed knife; and

grinding a portion of said upturned portion to form a cutting edge of the bed knife.

2 . The method according to claim 1 , further comprising:

stamping cutting said spring steel member to a desired length following said shaping of said spring steel member.

3 . The method according to claim 1 , further comprising:

cold roll forming said spring steel member prior to shaping said spring steel.

4 . A method of manufacturing a bed knife for a reel mower, said method comprising:

cold roll forming spring steel to initially shape the bed knife;

flattening and straightening said spring steel;

shaping said spring steel through a plurality of rollers to impart a bending force upon said spring steel to define a mounting portion and an upturned portion of the bed knife; and

grinding a portion of said upturned portion to form a cutting edge of the bed knife.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 11, 2008
From: TEXTRON INC.; TEXTRON RHODE ISLAND INC.
To: TEXTRON INNOVATIONS INC.
Reel/Frame 021813/0328 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 10, 2008
From: TEXTRON INC.; TEXTRON RHODE ISLAND
To: TEXTRON INNOVATIONS INC.
Reel/Frame 021506/0467 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 13, 2004
From: MAHAN, JONATHAN DOHME F.; BERKELEY, JAMES
To: TEXTRON INC.
Reel/Frame 015137/0369 →