Granted Patent B1

US 7,331,587 · App. 11/493,417 · Granted Feb 19, 2008

Abstract

Claims (74)

1. A wheel guard for a standard wheelbarrow frame assembly, said standard wheelbarrow frame assembly having an elongated first hopper support portion and an elongated second hopper support portion, said first hopper support portion and said second hopper support portion each having a forward end and a back end, said first hopper support portion and said second hopper support portion maintained in a non-parallel spaced relation wherein said first hopper support portion forward end and said second hopper support portion forward end are disposed closer to each other than said first hopper support portion back end and said second hopper support portion back end, said first hopper support portion forward end and said second hopper support portion forward end defining a wheel yoke, wherein said wheel guard comprises:

at least one member defining a U-shaped body having an elongated first tine, an elongated bight, and an elongated second tine;

said first tine having a distal end and a proximal end, said proximal end structured to be coupled to said bight and said distal end structured to be coupled to said first hopper support portion;

said second tine having a distal end and a proximal end, said proximal end structured to be coupled to said bight and said distal end structured to be coupled to said second hopper support portion;

said bight having a first end and a second end;

said first tine proximal end coupled to said bight first end;

said second tine proximal end coupled to said bight second end;

wherein the longitudinal axis of said first tine is structured to be generally aligned with the longitudinal axis of said first hopper support portion;

wherein the longitudinal axis of said second tine is structured to be generally aligned with the longitudinal axis of said second hopper support portion; and

wherein said first tine distal end has a first lateral thickness and said first tine proximal end has a second lateral thickness, said first tine distal end first lateral thickness being greater than said first tine proximal end second lateral thickness; and

wherein said second tine distal end has a first lateral thickness and said second tine proximal end has a second lateral thickness, said second tine distal end first lateral thickness being grater than said second tine proximal end second lateral thickness.

2. The wheel guard of claim 1 wherein:

said first tine tapers between said first tine distal end first lateral thickness and said first tine proximal end second lateral thickness; and

said second tine tapers between said second tine distal end first lateral thickness and said second tine proximal end second lateral thickness.

3. The wheel guard of claim 1 wherein:

said first tine steps between said first tine distal end first lateral thickness and said first tine proximal end second lateral thickness; and

said second tine steps between said second tine distal end first lateral thickness and said second tine proximal end second lateral thickness.

4. The wheel guard of claim 3 wherein said first hopper support portion has a lateral thickness and said second hopper support portion has a lateral thickness, and wherein:

said first tine distal end is structured to conform to said first hopper support portion lateral thickness; and

said second tine distal end is structured to conform to said second hopper support portion lateral thickness.

5. The wheel guard of claim 4 wherein the inner side of the said first hopper support portion forward end and the inner side of said second hopper support portion forward end are disposed about 6.5 inches apart and wherein:

said first tine distal end first lateral thickness is between about 1 and 2 inches and said first tine proximal end second lateral thickness is between about ⅜ and ⅝ inch; and

said second tine distal end first lateral thickness is between about 1 and 2 inches and said second tine proximal end second lateral thickness is between about ⅜ and ⅝ inch.

6. The wheel guard of claim 5 wherein:

said first tine distal end first lateral thickness is about 1⅞ inches and said first tine proximal end second lateral thickness is about ½ inch; and

said second tine distal end first lateral thickness is about 1⅞ inches and said second tine proximal end second lateral thickness is about ½ inch.

7. A wheelbarrow comprising:

a frame assembly having a first elongated handle assembly and a second elongated handle assembly;

said first elongated handle assembly having an elongated first handle portion and a first hopper support portion, said first handle portion coupled to said first hopper support portion, wherein the longitudinal axis of said first handle portion and the longitudinal axis of said first hopper support portion are generally aligned;

said second elongated handle assembly having an elongated second handle portion and a second hopper support portion, said second handle portion coupled to said second hopper support portion, wherein the longitudinal axis of said second handle portion and the longitudinal axis of said second hopper support portion are generally aligned;

a hopper, said hopper coupled to said first hopper support portion and to said second hopper support portion;

said first hopper support portion and said second hopper support portion each having a forward end and a back end;

said first hopper support portion and said second hopper support portion maintained in a non-parallel spaced relation wherein said first hopper support portion forward end and said second hopper support portion forward end are disposed closer to each other than said first hopper support portion back end and said second hopper support portion back end;

said first hopper support portion forward end and said second hopper support portion forward end defining a wheel yoke;

a wheel rotatably coupled to, and disposed within, said wheel yoke;

a wheel guard with at least one member defining a U-shaped body having an elongated first tine, an elongated bight, and an elongated second tine;

said first tine having a distal end and a proximal end, said proximal end structured to be coupled to said bight and said distal end structured to be coupled to said first hopper support portion at said wheel yoke;

said second tine having a distal end and a proximal end, said proximal end structured to be coupled to said bight and said distal end structured to be coupled to said second hopper support portion at said wheel yoke;

said bight having a first end and a second end;

said first tine proximal end coupled to said bight first end;

said second tine proximal end coupled to said bight second end;

wherein the longitudinal axis of said first tine is structured to be generally aligned with the longitudinal axis of said first hopper support portion;

wherein the longitudinal axis of said second tine is structured to be generally aligned with the longitudinal axis of said second hopper support portion; and

wherein said first tine distal end has a first lateral thickness and said first tine proximal end has a second lateral thickness, said first tine distal end first lateral thickness being grater than said first tine proximal end second lateral thickness; and

wherein said second tine distal end has a first lateral thickness and said second tine proximal end has a second lateral thickness, said second tine distal end first lateral thickness being greater than said second tine proximal end second lateral thickness.

8. The wheelbarrow of claim 7 wherein:

said first tine tapers between said first tine distal end first lateral thickness and said first tine proximal end second lateral thickness; and

said second tine tapers between said second tine distal end first lateral thickness and said second tine proximal end second lateral thickness.

9. The wheelbarrow of claim 7 wherein:

said first tine steps between said first tine distal end first lateral thickness and said first tine proximal end second lateral thickness; and

said second tine steps between said second tine distal end first lateral thickness and said second tine proximal end second lateral thickness.

10. The wheelbarrow of claim 9 wherein:

said first hopper support portion has a lateral thickness and said second hopper support portion has a lateral thickness;

said first tine distal end is structured to conform to said first hopper support portion lateral thickness; and

said second tine distal end is structured to conform to said second hopper support portion lateral thickness.

11. The wheelbarrow of claim 10 wherein:

said first hopper support portion is a square body having a lateral width of about 1⅞ inches;

said second hopper support portion is a square body having a lateral width of about 1⅞ inches;

said first hopper support portion forward end and said second hopper support portion forward end are disposed about 6.5 inches apart;

said first tine distal end first lateral thickness is between about 1 and 2 inches and said first tine proximal end second lateral thickness is between about ⅜ and ⅝ inch; and

said second tine distal end first lateral thickness is between about 1 and 2 inches and said second tine proximal end second lateral thickness is between about ⅜ and ⅝ inch.

12. The wheelbarrow of claim 11 wherein:

said first tine distal end first lateral thickness is about 1⅞ inches and said first tine proximal end second lateral thickness is about ½ inch; and

said second tine distal end first lateral thickness is about 1⅞ inches and said second tine proximal end second lateral thickness is about ½ inch.

13. The wheelbarrow of claim 11 wherein the angle between the longitudinal axes of said first hopper support portion and said second hopper support portion is between about 10 and 20 degrees.

14. The wheelbarrow of claim 13 wherein the angle between the longitudinal axes of said first hopper support portion and said second hopper support portion is about 14.4 degrees.

15. The wheelbarrow of claim 14 wherein:

said first handle assembly has a length of between about 55 inches and 65 inches;

said second handle assembly has a length of between about 55 inches and 65 inches; and

wherein the distal ends of said first handle assembly and said second handle assembly are spaced between about 18 inches and 24 inches apart.

16. The wheelbarrow of claim 15 wherein:

said first handle assembly has a length of about 60 inches;

said second handle assembly has a length of about 60 inches; and

wherein the distal ends of said first handle portion and said second handle portion are spaced about 21.5 inches apart.

Assignments (11)