Lawnmower mulch plug fixing method

Patent metadata

Field	Value
Publication number	US-11089726-B2
Application number	US-201815935891-A
Country	US
Kind code	B2
Filing date	Mar 26, 2018
Priority date	Mar 26, 2018
Publication date	Aug 17, 2021
Grant date	Aug 17, 2021

Abstract

The present disclosure is directed to a mulch plug configured to attach to a lawnmower by one or more attachment points, including a snap-fit attachment point. The snap-fit provides a more secure attachment to the lawnmower than attachment mechanisms on existing mulch plugs, in turn providing more even distribution of mulch and less clogging and locking of mower wheels.

First claim

What is claimed is:

1. A mulch plug for a lawnmower, the mulch plug comprising:
a plug body configured to fit within a collector opening of a lawnmower, the plug body comprising
a first attachment configured to snap-fit to a lower dome of the lawnmower;
a second attachment configured to interference-fit to an upper dome of the lawnmower;
a mating surface dimensioned to press fit over a rear axle of the lawnmower; and
one or more tabs, extending from the body and positioned to engage with an edge of a deflector of the lawnmower.

2. The mulch plug of claim 1 , wherein the plug body has two tabs, wherein the tabs engage with an edge of the deflector when the deflector is in a closed position.

3. The mulch plug of claim 1 , wherein the deflector is a rear deflector and wherein the tabs are located rearward of the mating surface when the mulch plug is installed into a collector opening of the lawnmower.

4. The mulch plug of claim 1 , wherein the deflector is a side deflector.

5. The mulch plug of claim 1 , wherein the plug body comprises a plastic plug body.

6. The mulch plug of claim 5 , wherein the plastic plug body comprises a plastic that is polypropylene, polypropylene high impact copolymers, high-density polyethylene (HDPE), low-density polyethylene (LDPE), acrylonitrile butadiene styrene (ABS), ultra high molecular weight polyethylene (UHMWPE), polycarbonate (PC), polyoxymethylene (POM), Nylon, or a combination thereof.

7. The mulch plug of claim 6 , wherein the plastic is a polypropylene high impact copolymer.

8. The mulch plug of claim 1 , wherein the second attachment is at the end of a lip protruding from the plug body at an angle of 65°.

9. A mulch plug for a lawnmower, the mulch plug comprising:
a plug body configured to fit within a collector opening of a lawnmower, the plug body comprising
a first attachment configured to snap-fit to a lower dome of the lawnmower, and
a second attachment configured to interference-fit to an upper dome of the lawnmower, and
a mating surface to press fit over a rear axle of the lawnmower.

10. The mulch plug of claim 9 , wherein the plug body comprises a plastic plug body.

11. The mulch plug of claim 10 , wherein the plastic plug body comprises a plastic that is polypropylene, polypropylene high impact copolymers, high-density polyethylene (HDPE), low-density polyethylene (LDPE), acrylonitrile butadiene styrene (ABS), ultra high molecular weight polyethylene (UHMWPE), polycarbonate (PC), polyoxymethylene (POM), Nylon, or a combination thereof.

12. The mulch plug of claim 11 , wherein the plastic is a polypropylene high impact copolymer.

13. The mulch plug of claim 9 , wherein the second attachment is at the end of a lip protruding from the plug body at an angle of 65°.

14. A mulch plug for a lawnmower, the mulch plug comprising:
a plug body configured to fit within a collector opening of a lawnmower, the plug body comprising
one or more tabs, extending from the body and positioned to engage with an edge of a deflector of the lawnmower and
a mating surface configured to press fit over a rear axle of the lawnmower; and.

15. The mulch plug of claim 14 wherein the plug body has two tabs, wherein the tabs engage with the edge of the deflector when the deflector is in a closed position.

16. The mulch plug of claim 14 , wherein the deflector is a rear deflector and wherein the tabs are located rearward of the mating surface when the mulch plug is installed into the collector opening of a lawnmower.

17. The mulch plug of claim 14 , wherein the deflector is a side deflector.

18. The mulch plug of claim 14 , wherein the plug body comprises a plastic plug body.

19. The mulch plug of claim 18 , wherein the plastic plug body comprises a plastic that is polypropylene, polypropylene high impact copolymers, high-density polyethylene (HDPE), low-density polyethylene (LDPE), acrylonitrile butadiene styrene (ABS), ultra high molecular weight polyethylene (UHMWPE), polycarbonate (PC), polyoxymethylene (POM), Nylon, or a combination thereof.

20. The mulch plug of claim 19 , wherein the plastic is a polypropylene high impact copolymer.

Assignees

• Honda Motor Co Ltd

Inventors

• Meeks Christopher D
• Busjahn Steven J

Classifications

• A01D34/81 Primary

  Casings; Housings (A01D34/71 takes precedence) · CPC title

• F16B4/004

  Press fits, force fits, interference fits, i.e. fits without heat or chemical treatment (F16B4/002 takes precedence) · CPC title

• A01D42/005

  Mulching (shredders or like cutting implements for comminuting plant waste per se A01G3/002) · CPC title

• A01D2101/00

  Lawn-mowers · CPC title

• A01D34/005

  Mulching means · CPC title