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Class Information
Number: 56/17.5
Name: Harvesters > Motorized harvester > Having motor on ground-supported carrier > And rotatable blade on motor shaft
Description: Machine wherein the motor or engine includes an element that is turned thereby about an axis, and the operating assemblage includes a cutting knife mounted on said element for turning therewith.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610740 |
Holder for lawnmower blades |
Nov. 3, 2009 |
| 7543431 |
Mower blade locking joint |
Jun. 9, 2009 |
| 7543432 |
Retractable blade cutting apparatuses and methods for mowing machines |
Jun. 9, 2009 |
| 7506494 |
Pivot-blade cutting and retaining means for rotary mowers |
Mar. 24, 2009 |
| 7458161 |
Rotary cutting device |
Dec. 2, 2008 |
| 7392643 |
Mulching system for a lawn mower |
Jul. 1, 2008 |
| 7360312 |
Bush cutter |
Apr. 22, 2008 |
| 7337602 |
Mulch plate apparatus with adjustable handle mechanism |
Mar. 4, 2008 |
| 7325755 |
Rotary tool for spreading particulate materials and method of using the same |
Feb. 5, 2008 |
| 7225713 |
Cutting blade for a motor-driven, manually-guided implement |
Jun. 5, 2007 |
| 7200982 |
Blade slippage apparatus |
Apr. 10, 2007 |
| 7114316 |
Rolling lawn trimmer carriage |
Oct. 3, 2006 |
| 6986239 |
Lawn mower cutting implement |
Jan. 17, 2006 |
| 6935095 |
Rotary lawnmower blade with reversible replaceable blades |
Aug. 30, 2005 |
| 6928801 |
Lawn mower blade stop |
Aug. 16, 2005 |
| 6926090 |
Hinged edger housing having improved internal debris guard and labyrinth perimeter seal |
Aug. 9, 2005 |
| 6895735 |
Instant mount wheels for portable appliance |
May. 24, 2005 |
| 6874306 |
Hand-pushed mower |
Apr. 5, 2005 |
| 6826896 |
Lawn mower with grass-shredding device |
Dec. 7, 2004 |
| 6796111 |
Blade holding assembly for rotary cutting machine |
Sep. 28, 2004 |
| 6735932 |
Variable mulching system for a lawnmower |
May. 18, 2004 |
| 6722114 |
Safe lawn mower blade alternative system |
Apr. 20, 2004 |
| 6688095 |
Blade coupler assembly for use with a self-propelled, walk-behind rotary lawn mower |
Feb. 10, 2004 |
| 6688091 |
Riding lawn mower |
Feb. 10, 2004 |
| 6681553 |
Mower cutting chamber |
Jan. 27, 2004 |
| 6681865 |
Rotary cutting device with quick-release blades |
Jan. 27, 2004 |
| 6634161 |
Blade changing system for rotary cutting machine |
Oct. 21, 2003 |
| 6523337 |
SG pruning machine |
Feb. 25, 2003 |
| 6470661 |
Mowing blade with star |
Oct. 29, 2002 |
| 6389786 |
Belt drive system having a single drive motor for multi-bladed rotary cutting unit for mower |
May. 21, 2002 |
| 6367235 |
Blade-mounting system for a rotary mower |
Apr. 9, 2002 |
| 6286293 |
Lawn mower cutting blade spindle assembly |
Sep. 11, 2001 |
| 6282874 |
Ducted fan mower deck |
Sep. 4, 2001 |
| 6205755 |
Quick change blade assembly for a rotary mower |
Mar. 27, 2001 |
| 6195970 |
Tool with an electric motor as the drive |
Mar. 6, 2001 |
| 6192666 |
Lawn mower |
Feb. 27, 2001 |
| 6185916 |
Double-headed vegetation trimmer |
Feb. 13, 2001 |
| 6182430 |
Lawnmower blade |
Feb. 6, 2001 |
| 6178729 |
Lawn mower with a deck formed with a trap door |
Jan. 30, 2001 |
| 6145290 |
Combination mulching and discharging lawn mower blade |
Nov. 14, 2000 |
| 6085506 |
Quiet external combustion lawn mower |
Jul. 11, 2000 |
| 6052979 |
Blade for a rotary mower and rotary mower |
Apr. 25, 2000 |
| 6038842 |
Rotary mower apparatus |
Mar. 21, 2000 |
| 5970694 |
Quick mount leveling, adjustable and retractable roller stabilizer for string trimmers |
Oct. 26, 1999 |
| 5960619 |
Mulching disc for a lawn mower |
Oct. 5, 1999 |
| 5960617 |
Lawn mower cutting blade spindle assembly including quick change characteristics |
Oct. 5, 1999 |
| 5960616 |
Ducted fan mower deck |
Oct. 5, 1999 |
| 5946895 |
Adapter for mowing blade with star |
Sep. 7, 1999 |
| 5921072 |
Mulching lawn mower with vertical cutting and improved discharge action and clipping deposit |
Jul. 13, 1999 |
| 5916111 |
Self cleaning cutting head for mowers |
Jun. 29, 1999 |
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