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US 11,970,197 B2Granted
Elevated pivot bracket for a wheelbarrow
OwnerDouglas Van Zandtinventor
Life of this patent
Estimating the term…
Abstract
A pivot bracket for a wheelbarrow having a bight with a ground-engaging portion positioned so as to enable a large pivoting angle of the wheelbarrow. In some preferred embodiments, the ground engaging portion is positioned forward of the wheel of the wheelbarrow and above the axis of rotation of the wheel.
Claims34
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, at least one wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second support legs, each of the first and second support legs having a forward end portion and a back end portion, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles;
- the pivot bracket further including a bight, wherein at least a portion of the bight is located between the forward end portions of the first and second support legs;
- wherein the bight is designed and configured to be located forward and above the rotational axis of the wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward;
- and
- wherein said first and second support legs each have a forward section and a rearward section with the rearward section being the section designed and configured to be attached to the forward end section of the handles and the forward section being inclined upward from a transition section joining with the rearward section, and wherein said transition section is positioned to lie inside the radius of the wheelbarrow wheel when mounted to the wheelbarrow.
2 more elements
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, a wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second support legs, each of the first and second support legs having a forward end portion and a back end portion, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles;
- the pivot bracket further including a bight, wherein at least a portion of the bight is located between the forward end portions of the first and second support legs;
- wherein the bight is designed and configured to be located forward and above the rotational axis of the wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles in handle/leg coupling sections of the handles that are each located between a position forward of the rotational axis of the wheel and a position behind the rotational axis of the wheel.
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, a wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second support legs, each of the first and second support legs having a forward end portion and a back end portion, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles;
- the pivot bracket further including a bight, wherein at least a portion of the bight is located between the forward end portions of the first and second support legs;
- wherein the bight is designed and configured to be located forward and above the rotational axis of the wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward, wherein the pivot bracket is designed and configured to be installed on a wheelbarrow with handles that extend forward of the rotational axis by a distance less than approximately 12 cm along central longitudinal axes of the handles.
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, a wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second support legs, each of the first and second support legs having a forward end portion and a back end portion, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles;
- the pivot bracket further including a bight, wherein at least a portion of the bight is located between the forward end portions of the first and second support legs;
- wherein the bight is designed and configured to be located forward and above the rotational axis of the wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles in handle/leg coupling sections that are each located between approximately 12 cm, along central longitudinal axes of the handles, forward of the rotational axis and approximately 20 cm, along the central longitudinal axes of the handles, behind the rotational axis of the wheel.
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, a wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second support legs, each of the first and second support legs having a forward end portion and a back end portion, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles;
- the pivot bracket further including a bight, wherein at least a portion of the bight is located between the forward end portions of the first and second support legs;
- wherein the bight is designed and configured to be located forward and above the rotational axis of the wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward, wherein the forward end sections of the handles of the wheelbarrow the pivot bracket is designed and configured to be installed on do not extend forward of the rotational axis of the wheel by more than approximately 12 cm along central longitudinal axes of the handles.
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, a wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second support legs, each of the first and second support legs having a forward end portion and a back end portion, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles;
- the pivot bracket further including a bight, wherein at least a portion of the bight is located between the forward end portions of the first and second support legs;
- wherein the bight is designed and configured to be located forward and above the rotational axis of the wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward, wherein the pivot bracket is designed and configured to connect to the handles at a location that is no more forward than a point that is approximately 12 cm, along central longitudinal axes of the handles, forward of the rotational axis of the wheel.
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, a wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second support legs, each of the first and second support legs having a forward end portion and a back end portion, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles;
- the pivot bracket further including a bight, wherein at least a portion of the bight is located between the forward end portions of the first and second support legs;
- wherein the bight is designed and configured to be located forward and above the rotational axis of the wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward, wherein the pivot bracket is designed and configured to connect to the handles at a location that is no more than approximately 20 cm, along central longitudinal axes of the handles, behind the rotational axis of the wheel.
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, a wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second support legs, each of the first and second support legs having a forward end portion and a back end portion, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles;
- the pivot bracket further including a bight, wherein at least a portion of the bight is located between the forward end portions of the first and second support legs;
- wherein the bight is designed and configured to be located forward and above the rotational axis of the wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward, further comprising first and second connection struts, the first connection strut designed and configured to be coupled to and extend between the first support leg and the cargo carrying bin and the second connection strut designed and configured to be coupled to and extend between the second support leg and the cargo carrying bin.
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, a wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second support legs, each of the first and second support legs having a forward end portion and a back end portion, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles;
- the pivot bracket further including a bight, wherein at least a portion of the bight is located between the forward end portions of the first and second support legs;
- wherein the bight is designed and configured to be located forward and above the rotational axis of the wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward, wherein the bight is designed and configured to be located within a range of location rectangle when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on the flat level surface without being tilted forward, wherein the range of location rectangle is defined by opposed forward and back range of location boundaries that are each perpendicular to the flat level surface and opposed lower and upper range of location boundaries that are each parallel to the flat level surface;
- wherein the back range of location boundary is spaced forward of the rotational axis by a distance equal to a radius of the wheel plus 1.2 cm and the lower range of location boundary is spaced from the flat level surface by a distance equal to the radius of the wheel.
1 more element
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, a wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second pivot bracket legs, each of the first and second pivot bracket legs having an upper end portion and a back end portion;
- wherein the back end portions of the first and second pivot bracket legs are designed and configured to be attached to the forward end sections of the handles;
- wherein the upper end portions of the first and second pivot bracket legs are designed and configured to be attached to the cargo carrying bin;
- the pivot bracket further including a bight coupled to and extending between the first and second pivot bracket legs, wherein the bight is designed and configured to be located forward and above the rotational axis of the wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward;
- and
- wherein the pivot bracket is designed and configured to be installed on a wheelbarrow with handles that extend forward of the rotational axis by a distance less than approximately 12 cm along central longitudinal axes of the handles.
3 more elements
A pivot bracket for a wheelbarrow having two handles with corresponding forward end sections, at least one wheel rotatable around a rotational axis, and a cargo carrying bin, the pivot bracket comprising:
- spaced first and second support legs, each of the first and second support legs having a forward end portion and a back end portion, wherein the back end portions of the first and second support legs are designed and configured to be attached to the forward end sections of the handles;
- the pivot bracket further including a bight, wherein at least a portion of the bight is located between the forward end portions of the first and second support legs;
- wherein the bight is designed and configured to be located forward and above the rotational axis of the at least one wheel when the pivot bracket is installed on the wheelbarrow and the wheelbarrow is resting on a flat level surface without being tilted forward;
- and
- wherein the pivot bracket is designed and configured to be installed on a wheelbarrow with handles that extend forward of the rotational axis by a distance less than approximately 12 cm along central longitudinal axes of the handles.
2 more elements
Dependencies are inferred from the claim text.