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us patent for blade assembly for a lawn mower patent

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Mower blade assembly for a lawn mower - Patent - Europe

A mower blade assembly for a lawn mower, the assembly comprising a blade bar adapted to be rotated by the output shaft of the lawn mower, and a cutter blade subassembly secured to each of the opposite ends of the blade bar.

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Mower blade assembly for a lawn mower - Allis-Chalmers ...

A mower blade assembly comprising a blade bar adapted to be rotated by the output shaft of a lawn mower, and a cutter blade subassembly secured to each of the opposite ends of said blade bar, each subassembly comprising a detachable thin metal cutter blade member made of a metal having a thickness no greater than about 0.0625 inch, said cutter ...

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US7775026B2 - Lawn mower blade assembly for quick

A lawn mower blade assembly for a rotatable driveshaft includes a blade mount to be secured to the rotatable driveshaft and a cutting blade removably coupled to the blade mount and defining therewith a blade base unit having at least one wedge surface thereon. At least one sliding retainer removably couples the cutting blade to the blade mount and is slidably movable

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Mower blade support assembly - C. L. FROST SON, INC.

Mower blade support assembly - C. L. FROST SON, INC. Title: Mower blade support assembly. United States Patent 3890773. Abstract: An improved support assembly for the spindle housing in a rotary lawn mower includes a cone-shaped annular support member secured to the spindle housing. The support member is frusto-conical in configuration having ...

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US5619846A - Lawn mower blade - Google Patents

A lawn mower blade, particularly suited for a rotary lawn mower is provided with at least two end tines at opposite ends. Each tine has a forward bevelled cutting surface. The rear most and lowest most end tines are in a common (lowest) plane while all other tines are respectively forward thereof and in planes above the common plane.

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Lawn Mower Patents and Patent Applications (Class

1995-9-11  Filed: September 11, 1995. Date of Patent: October 7, 1997. Inventor: Tim Krohn. Lawn mower cleaning method and attachment. Patent number: 5499492. Abstract: A pulsating cleaning attachment is added to an existing rotary lawn mower, and is adapted to receive a hose for cleaning the mower blade and underside surface of the lawn mower carriage.

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Cutting and mulching blade assembly - CARROLL;

1991-7-11  I claim: 1. A cutting and mulching blade assembly for use with a rotary lawn mower having a motor and a depending drive shaft comprising: (A) a first cutter blade member having a sharpened cutting edge on each leading edge thereof and an airlift on each trailing edge thereof, each said sharpened cutting edge extending upwardly and inwardly from the ends of said first

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Patents Assigned to Great Dane Power Equipment, Inc ...

Date of Patent: October 30, 2001. Assignee: Great Dane Power Equipment, Inc. Inventors: Dane T. Scag, Mark C. Bland. Lawn mower cutting blade spindle assembly. Patent number: 6286293. Abstract: A lawn mower cutting blade spindle assembly having an elongate spindle shaft and a spindle shoulder projecting radially outward from the lower end thereof.

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Blade attachment assembly (Patent) DOE Patents

2016-5-3  DOE Patents Patent: Blade attachment assembly. Blade attachment assembly. Full Record; Other Related Research; Abstract. An assembly and method for affixing a turbomachine rotor blade to a rotor wheel are disclosed. In an embodiment, an adaptor member is provided disposed between the blade and the rotor wheel, the adaptor member including an ...

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US4455816A - Pedal operated mower - Google Patents

The present invention relates to a pedal operated mower mounted on a tricycle frame as a basic support structure for the mower, and more particularly, the invention relates to a pedal and sprocket arrangement driven by the operator of the tricycle for driving a rear sprocket which turns a cutter blade assembly mounted on a shaft or axle, the rear wheels of the tricycle frame being

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Mower blade assembly for a lawn mower - Allis-Chalmers ...

A mower blade assembly comprising a blade bar adapted to be rotated by the output shaft of a lawn mower, and a cutter blade subassembly secured to each of the opposite ends of said blade bar, each subassembly comprising a detachable thin metal cutter blade member made of a metal having a thickness no greater than about 0.0625 inch, said cutter ...

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Rotary lawn mower blade assembly - BURNELL; JOHN F.

A rotatable blade assembly suitable for use on a rotary power lawn mower is provided having an elongated bar member adapted to rotate in a substantially horizontal plane within the housing of a rotary lawn mower to which is detachably secured at diametrically opposed ends thereof cutting blade elements having cutting edges formed at oppositely facing edges which can be secured

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Mower blade support assembly - C. L. FROST SON, INC.

Mower blade support assembly - C. L. FROST SON, INC. Title: Mower blade support assembly. United States Patent 3890773. Abstract: An improved support assembly for the spindle housing in a rotary lawn mower includes a cone-shaped annular support member secured to the spindle housing. The support member is frusto-conical in configuration having ...

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Blade coupler assembly for use with a self-propelled, walk ...

2002-3-28  A blade coupler assembly operable to couple a cutting blade and a drive belt to a lawn mower engine crankshaft. The blade coupler assembly may include a blade/belt driver assembly having a tube portion with a first bore defined by a first diameter, wherein the first bore spans between a first longitudinal end and a second longitudinal end of the tube portion.

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Cutting and mulching blade assembly - CARROLL;

1991-7-11  I claim: 1. A cutting and mulching blade assembly for use with a rotary lawn mower having a motor and a depending drive shaft comprising: (A) a first cutter blade member having a sharpened cutting edge on each leading edge thereof and an airlift on each trailing edge thereof, each said sharpened cutting edge extending upwardly and inwardly from the ends of said first

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Lawn Mower Patents and Patent Applications (Class

1995-9-11  Filed: September 11, 1995. Date of Patent: October 7, 1997. Inventor: Tim Krohn. Lawn mower cleaning method and attachment. Patent number: 5499492. Abstract: A pulsating cleaning attachment is added to an existing rotary lawn mower, and is adapted to receive a hose for cleaning the mower blade and underside surface of the lawn mower carriage.

View More

Patents Assigned to Great Dane Power Equipment, Inc ...

Date of Patent: October 30, 2001. Assignee: Great Dane Power Equipment, Inc. Inventors: Dane T. Scag, Mark C. Bland. Lawn mower cutting blade spindle assembly. Patent number: 6286293. Abstract: A lawn mower cutting blade spindle assembly having an elongate spindle shaft and a spindle shoulder projecting radially outward from the lower end thereof.

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US Patent for Lawn mowers including push handles Patent ...

1992-4-22  A rotary lawn mower adapted to be moved over a surface to mow vegetation; said lawn mower includes a mower deck, a motor, rotary cutting means and a push handle assembly; said mower deck including a top portion adapted to support said motor and downwardly extending edge portions; said motor being affixed to the central portion of said mower deck and coupled

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Blade attachment assembly (Patent) DOE Patents

2016-5-3  DOE Patents Patent: Blade attachment assembly. Blade attachment assembly. Full Record; Other Related Research; Abstract. An assembly and method for affixing a turbomachine rotor blade to a rotor wheel are disclosed. In an embodiment, an adaptor member is provided disposed between the blade and the rotor wheel, the adaptor member including an ...

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Motor Used For Plural Devices Or Functions Patents and ...

2019-8-15  Abstract: A mower deck discharge chute includes a flexible member attached with a hinge to a multi-blade mower deck, and a drive belt tunnel through the flexible member that an attachment drive belt passes through when the flexible member is pivoted up to a generally vertical position. The attachment drive belt may be on a single plane to engage a drive sheave

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Blade attachment assembly (Patent) DOE Patents

2016-5-3  DOE Patents Patent: Blade attachment assembly. Blade attachment assembly. Full Record; Other Related Research; Abstract. An assembly and method for affixing a turbomachine rotor blade to a rotor wheel are disclosed. In an embodiment, an adaptor member is provided disposed between the blade and the rotor wheel, the adaptor member including an ...

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US Patent for Rotary cutting blade assembly Patent (Patent ...

A rotary cutting blade assembly for removing rubber tread material from a pneumatic tire carcass prior to texturizing and finishing the tire carcass for retreading includes a cutting wheel rotatably mounted on an arbor. The cutting wheel includes a plurality of pockets adapted to receive and mount a plurality of cutting blades, which blades present an angular cutting edge which

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"Blade guard for rotary lawn mowers" by Wesley F. Buchele

A blade guard for rotary lawn mowers comprising a plurality of spaced apart elongated members which extend longitudinally in the intended direction of travel of the mower device. The space between the forward ends of the elongated members and the forward end of the mower cowling is open and free from obstructions to permit the grass to be sucked upwardly for cutting by the

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Blade guard for rotary lawn mowers - lib.dr.iastate

2018-4-18  BLADE GUARD FOR ROTARY LAWN MOWERS BACKGROUND OF THE INVENTION 2 a substantially horizontally. disposed lower edge 14. A horizontally • diposed blade 16 is • suitably rotatably mounted on the lawn mower and is driven by any con­ ventional power means such as an engine or the like.

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"Blade guard for rotary lawn mowers" by Wesley F.

A blade guard for rotary lawn mowers comprising a support means secured to the mower cowling and having a plurality of spaced apart elongated members secured thereto which extend longitudinally in the intended direction of travel of the mower device. A guard ring is mounted on the support and extends upwardly therefrom adapted to engage the unsharpened portion of

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Snubber assembly for turbine blades (Patent) DOE Patents

2013-9-3  The first snubber structure extends outwardly from a sidewall of the turbine blade and includes a hollow interior portion that receives cooling air from the internal cooling passage of the turbine blade. Full Text Available. Adaptor assembly for coupling turbine blades to rotor disks. Patent Garcia-Crespo, Andres Jose; Delvaux, John McConnell.

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Patent Report: US10066599 Spar cap assembly for a

2019-6-13  A spar cap assembly is for a wind turbine rotor blade. The spar cap assembly has a spar cap reinforced with carbon fibers, comprising a lightning conductor, which is arranged so as to run along the spar cap, and at least one potential-equalizing element, which establishes an electrical connection between the spar cap and the lightning conductor.

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The Story of the First Lawn Mower - ThoughtCo

2019-3-1  "Machine for Mowing Lawns" The first patent for a mechanical lawn mower described as a "Machine for mowing lawns, etc." was granted on August 31, 1830, to engineer, Edwin Beard Budding (1795-1846) from Stroud,

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United States Patent and Trademark Office

Patent Center. Try the beta replacement for EFS-Web, Private PAIR and Public PAIR. Check application status. Check patent application status with public PAIR and private PAIR. Fees and payment. Pay maintenance fees and learn more about filing fees and other payments. Patent Trial Appeal Board. Resolve disputes regarding patents with PTAB ...

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US Patent Full-Text Database Number

2021-10-5  US Patent Full-Text Database Number. Query [Help] Utility patents must have numbers entered as seven or eight characters in length, excluding commas, which are optional. Examples: 10,000,000 -- 100000000 -- 6923014 -- 6,923,014 -- 0000001. Note: Utility Patent 10,000,000 will issue in 2018.

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