Vehicle suspension systems for seperated acceleration responses
DC CAFC
First Claim
Patent Images
1. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a control link fixed pivot, a brake link, a shock absorber, and a thru axle;
- wherein said thru axle is selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt, such that a rear hub is mounted concentric to the wheel link floating pivot;
wherein said rear hub is positioned between components selected from the group consisting of the wheel link, the brake link and a pivot axle, such that said rear hub is removable;
wherein said wheel link floating pivot is concentric with said wheel rotation axis;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
wherein said shock absorber is mounted to a link selected from the group consisting of the brake link and the control link, such that said shock absorber is able to respond to movement of a rear wheel;
wherein said brake link is pivotally connected to a control link; and
wherein as the suspension is compressed or extended, said shock absorber is compressed or extended, so that force that compresses or extends said shock absorber is transmitted through said brake link and said wheel link floating pivot; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third).
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Abstract
The invention relates to suspension systems comprising, in certain embodiments, a pivoting means concentric to a wheel rotation axis so that braking forces can be controlled by placement of an instant force center, and so that acceleration forces can be controlled by a swinging wheel link.
67 Citations
97 Claims
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1. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a control link fixed pivot, a brake link, a shock absorber, and a thru axle;
- wherein said thru axle is selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt, such that a rear hub is mounted concentric to the wheel link floating pivot;
wherein said rear hub is positioned between components selected from the group consisting of the wheel link, the brake link and a pivot axle, such that said rear hub is removable;
wherein said wheel link floating pivot is concentric with said wheel rotation axis;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
wherein said shock absorber is mounted to a link selected from the group consisting of the brake link and the control link, such that said shock absorber is able to respond to movement of a rear wheel;
wherein said brake link is pivotally connected to a control link; and
wherein as the suspension is compressed or extended, said shock absorber is compressed or extended, so that force that compresses or extends said shock absorber is transmitted through said brake link and said wheel link floating pivot; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- wherein said thru axle is selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt, such that a rear hub is mounted concentric to the wheel link floating pivot;
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11. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a control link fixed pivot, a brake link, and a shock absorber;
- wherein said wheel link floating pivot is concentric with said wheel rotation axis;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid; and
wherein said shock absorber is mounted to a link selected from the group consisting of the brake link and the control link, such that said shock absorber is able to respond to movement of a rear wheel;
wherein said brake link is pivotally connected to said control link;
wherein as the suspension is compressed or extended, said shock absorber is compressed or extended, so that force that compresses or extends said shock absorber is transmitted through said brake link and said wheel link floating pivot;
wherein said suspension system comprises a compressible wheel suspension travel distance that features a beginning travel point where the suspension is completely uncompressed to a point where no further suspension extension can take place, and an end travel point where a suspension is completely compressed to a point where no further suspension compression can take place; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
- wherein said wheel link floating pivot is concentric with said wheel rotation axis;
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21. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a brake link, a control link floating pivot, a control link fixed pivot, a shock absorber, and a removable pivot axle;
- wherein the distance between said wheel link floating pivot and control link floating pivot is greater than the distance between said control link fixed pivot and control link floating pivot;
wherein said wheel link floating pivot is concentric with said wheel rotation axis;
wherein said wheel link is pivotally connected to said brake link;
wherein said brake link is pivotally connected to said control link;
wherein said removable pivot axle has a feature for positioning a rear hub in relation to said wheel rotation axis;
wherein said removable pivot axle can receive a thru axle selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
wherein force is transmitted to said shock absorber through an element selected from the group consisting of a brake link, a control link, a wheel link fixed pivot, a control link floating pivot and a control link fixed pivot; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
- wherein the distance between said wheel link floating pivot and control link floating pivot is greater than the distance between said control link fixed pivot and control link floating pivot;
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29. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a brake link, a control link floating pivot, a control link fixed pivot, and a shock absorber;
- wherein the distance between said wheel link floating pivot and control link floating pivot is greater than the distance between said control link fixed pivot and control link floating pivot;
wherein said wheel link is pivotally connected to said brake link;
wherein said brake link is pivotally connected to said control link;
wherein said wheel link floating pivot is concentric with said wheel rotation axis;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
wherein force is transmitted to said shock absorber through an element selected from the group consisting of the brake link, the control link, a wheel link fixed pivot, the control link floating pivot and the control link fixed pivot;
wherein said suspension system further comprises a compressible wheel suspension travel distance that features a beginning travel point where the suspension is completely uncompressed to a point where no further suspension extension can take place, and an end travel point where a suspension is completely compressed to a point where no further suspension compression can take place; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (30, 31, 32, 33, 34, 35, 36)
- wherein the distance between said wheel link floating pivot and control link floating pivot is greater than the distance between said control link fixed pivot and control link floating pivot;
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37. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a control link fixed pivot, a brake link, a shock absorber, and a removable pivot axle;
- wherein said wheel link floating pivot is concentric with said wheel rotation axis;
wherein said brake link is pivotally connected to said control link;
wherein said removable pivot axle has a feature for positioning a rear hub in relation to said wheel rotation axis;
wherein said removable pivot axle can receive a thru axle selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
wherein force is transmitted to said shock absorber through said brake link; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45)
- wherein said wheel link floating pivot is concentric with said wheel rotation axis;
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46. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a control link fixed pivot, a control link floating pivot, a brake link, and a shock absorber;
- wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
wherein said wheel link is connected to said brake link through said wheel link floating pivot;
wherein said control link is connected to said brake link through said control link floating pivot;
wherein said wheel link floating pivot is concentric with said wheel rotation axis;
wherein force is transmitted to said shock absorber through said brake link; and
said suspension system further comprising a compressible wheel suspension travel distance that features a beginning travel point where the suspension is completely uncompressed to a point where no further suspension extension can take place, and an end travel point where a suspension is completely compressed to a point where no further suspension compression can take place; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54, 55)
- wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
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56. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a control link fixed pivot, a brake link, a shock absorber, and a thru axle;
- wherein said thru axle is selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt, such that a rear hub is mounted concentric to the wheel link floating pivot;
wherein said rear hub is positioned between components selected from the group consisting of the wheel link, the brake link and a pivot axle, such that said rear hub is removable;
wherein said wheel link floating pivot is concentric with said wheel rotation axis or within 2 cm thereof;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
wherein said shock absorber is mounted to a link selected from the group consisting of the brake link and the control link, such that said shock absorber is able to respond to movement of a rear wheel;
wherein said brake link is pivotally connected to said control link;
wherein as the suspension is compressed or extended, said shock absorber is compressed or extended, so that force that compresses or extends said shock absorber is transmitted through said brake link and said wheel link floating pivot; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (57, 58, 59, 60, 61, 62, 63, 64, 65)
- wherein said thru axle is selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt, such that a rear hub is mounted concentric to the wheel link floating pivot;
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66. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a control link fixed pivot, a brake link, a shock absorber, and a removable pivot axle;
- wherein said wheel link floating pivot is concentric with said wheel rotation axis or within 2 cm thereof;
wherein said brake link is pivotally connected to said control link;
wherein said removable pivot axle has a feature for positioning a rear hub in relation to said wheel rotation axis;
wherein said removable pivot axle can receive a thru axle selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
wherein force is transmitted to said shock absorber through said brake link; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (67, 68, 69, 70, 71, 72, 73, 74)
- wherein said wheel link floating pivot is concentric with said wheel rotation axis or within 2 cm thereof;
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75. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a control link fixed pivot, a brake link, a shock absorber, and a thru axle;
- wherein said thru axle is selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt, such that a rear hub is mounted concentric to the wheel link floating pivot;
wherein said rear hub is positioned between components selected from the group consisting of the wheel link, the brake link and a pivot axle, such that said rear hub is removable;
wherein said wheel link floating pivot is concentric with said wheel rotation axis;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
wherein said shock absorber is mounted to a link selected from the group consisting of the brake link and the control link, such that said shock absorber is able to respond to movement of a rear wheel;
wherein said brake link is pivotally connected to said control link;
wherein said control link fixed pivot is located below a shock pivot, wherein as the suspension is compressed or extended, said shock absorber is compressed or extended, so that force that compresses or extends said shock absorber is transmitted through said brake link and said wheel link floating pivot; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (76, 77, 78, 79, 80, 81, 82, 83)
- wherein said thru axle is selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt, such that a rear hub is mounted concentric to the wheel link floating pivot;
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84. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a control link fixed pivot, a brake link, a shock absorber, and a thru axle;
- wherein said thru axle is selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt, such that a rear hub is mounted concentric to the wheel link floating pivot;
wherein said rear hub is positioned between components selected from the group consisting of the wheel link, the brake link and a pivot axle, such that said rear hub is removable;
wherein said wheel link floating pivot is concentric with said wheel rotation axis;
wherein movement of said control link about said control link fixed pivot consists of one degree of freedom;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid;
wherein said shock absorber is mounted to a link selected from the group consisting of the brake link and the control link, such that said shock absorber is able to respond to movement of a rear wheel;
wherein said brake link is pivotally connected to said control link;
wherein as the suspension is compressed or extended, said shock absorber is compressed or extended, so that force that compresses or extends said shock absorber is transmitted through said brake link and said wheel link floating pivot; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (85, 86, 87, 88, 89, 90)
- wherein said thru axle is selected from the group consisting of a solid axle, a thru axle, a hollow axle, a quick release, a skewer, a quick release skewer, and a through bolt, such that a rear hub is mounted concentric to the wheel link floating pivot;
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91. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link, a control link fixed pivot, a brake link, and a shock absorber;
- wherein said wheel link floating pivot is concentric with said wheel rotation axis;
wherein said shock absorber is selected from the group consisting of a damper, a compression gas spring, a leaf spring, a coil spring, and a fluid; and
wherein said shock absorber is mounted to a link selected from the group consisting of the brake link and the control link, such that said shock absorber is able to respond to movement of a rear wheel;
wherein said brake link is pivotally connected to said control link;
wherein movement of said control link about said control link fixed pivot consists of one degree of freedom;
wherein as the suspension is compressed or extended, said shock absorber is compressed or extended, so that force that compresses or extends said shock absorber is transmitted through said brake link and said wheel link floating pivot;
wherein said suspension system comprises a compressible wheel suspension travel distance that features a beginning travel point where the suspension is completely uncompressed to a point where no further suspension extension can take place, and an end travel point where a suspension is completely compressed to a point where no further suspension compression can take place; and
wherein a leverage ratio curve of said suspension system has a negative or a positive slope in the beginning ⅓
(third) and in the end ⅓
(third), and a change in slope value in the middle ⅓
(third). - View Dependent Claims (92, 93, 94, 95, 96, 97)
- wherein said wheel link floating pivot is concentric with said wheel rotation axis;
Specification
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Litigation Data
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Current AssigneeSplit Pivot Incorporated
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Original AssigneeSplit Pivot Incorporated
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InventorsWeagle, David
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Primary Examiner(s)Boehler; Anne Marie
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Assistant Examiner(s)WILLIAMS, MAURICE L
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Application NumberUS11/895,269Publication NumberTime in Patent Office1,461 DaysField of Search280283-288, 180/277US Class Current280/284CPC Class CodesB60G 2204/421 Pivoted lever mechanisms fo...B60G 2300/12 Cycles; MotorcyclesB62K 25/286 the shock absorber being co...
