The bi-directional rotation offset pivot thrust bearing includes a carrier and an array of longitudinal protrusions thereon that run through the center axis of the carrier. An array of pads are in slidable engagement with the longitudinal protrusions to permit the thrusts pads to move between first
The bi-directional rotation offset pivot thrust bearing includes a carrier and an array of longitudinal protrusions thereon that run through the center axis of the carrier. An array of pads are in slidable engagement with the longitudinal protrusions to permit the thrusts pads to move between first and second rotational positions. The thrust pads are automatically offset pivoted in a first direction when in a the first rotational position and automatically offset pivoted in a second direction when in the second rotational position. The thrust pads are offset pivoted in an approximate 60 percent to 40 percent ratio with the leading side of the thrust pad being 60 percent in both the first rotational position and the second rotational position. A retainer is also provided to maintain the thrust pads in slidable communication with the protrusions.
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1. A bi-directional rotation offset pivot thrust bearing, comprising: a. a carrier having a first side and a second side and an outer peripheral wall; the carrier being circular and having a center axis;b. an array of longitudinal protrusions, each having a longitudinal axis, being positioned on the
1. A bi-directional rotation offset pivot thrust bearing, comprising: a. a carrier having a first side and a second side and an outer peripheral wall; the carrier being circular and having a center axis;b. an array of longitudinal protrusions, each having a longitudinal axis, being positioned on the first side of the circular carrier and oriented with each longitudinal axis running through the center axis of the circular carrier, wherein each protrusion is rigidly affixed to the carrier; andc. a plurality of thrust pads in a circular array, having a front side and a rear side; the respective rear sides of the plurality of thrust pads being in slidable engagement with the longitudinal protrusions; the plurality of thrust pads being movable, relative to the carrier, between a first rotational position about the center axis of the carrier and a second rotational position about the center axis of the carrier; the thrust pads being offset pivoted in a first direction when in a the first rotational position and offset pivoted in a second direction when in the second rotational position. 2. The thrust bearing of claim 1, further comprising: a retainer, having a plurality of seats corresponding to each of the thrust pads; the thrust pads respectively residing in the plurality of seats; the retainer having a side wall and maintaining the thrust pads in a circular array. 3. The thrust bearing of claim 2, wherein the retainer in includes a slot in the side wall and the carrier includes a pin outwardly emanating from the side wall that travels within the slot in the retainer from a first end location to a second end location; the first end location defining the first rotational position and the second end location defining the second rotational position of the thrust pads. 4. The thrust bearing of claim 2, wherein the thrust pads each respectively include a plurality of outwardly emanating tabs that engage with the retainer. 5. The thrust bearing of claim 1, wherein the thrust pads are offset pivoted in an approximate 60 percent to 40 percent ratio with the leading side of the thrust pad being 60 percent in both the first rotational position and the second rotational position; the front sides of the thrust pads thereby providing an optimized bearing surface. 6. The thrust being of claim 1, wherein the thrust pads are automatically moved to the first rotational position when the carrier is rotated in a counterclockwise direction and the thrust pads are automatically moved to a second rotational position when the carrier is rotated in a clockwise direction. 7. The thrust bearing of claim 1, wherein each of the plurality of thrust pads, respectively, travel from one protrusion to an adjacent protrusion when moving between the first rotational position to the second rotational position and from the second rotational position to the first rotational position. 8. A bi-directional rotation offset pivot thrust bearing, comprising: a. a carrier having a first side and a second side and an outer peripheral wall;b. an array of protrusions positioned on the first side of the carrier, wherein each protrusion is rigidly affixed to the carrier; andc. a plurality of thrust pads, having a front side and a rear side; the respective rear sides of the plurality of thrust pads being in slidable engagement with the protrusions; the plurality of thrust pads being movable, relative to the carrier, between a first position and a second position; the thrust pads being offset pivoted in a first direction when in a the first position and offset pivoted in a second direction when in the second position. 9. The thrust bearing of claim 8, further comprising: a retainer, having a plurality of seats corresponding to each of the thrust pads; the thrust pads respectively residing in the plurality of seats; the retainer having a side wall and maintaining the thrust pads in an array. 10. The thrust bearing of claim 9, wherein the retainer in includes a slot in the side wall and the carrier includes a pin outwardly emanating from the side wall that travels within the slot in the retainer from a first end location to a second end location; the first end location defining the first position and the second end location defining the second position of the thrust pads. 11. The thrust bearing of claim 9, wherein the thrust pads each respectively include a plurality of outwardly emanating tabs that engage with the retainer. 12. The thrust bearing of claim 8, wherein the thrust pads are offset pivoted in an approximate 60 percent to 40 percent ratio with the leading side of the thrust pad being 60 percent in both the first rotational position and the second rotational position; the front sides of the thrust pads thereby providing an optimized bearing surface. 13. The thrust being of claim 8, wherein the thrust pads are automatically moved to the first rotational position when the carrier is moved in a first direction and the thrust pads are automatically moved to a second position when the carrier is moved in a second direction. 14. The thrust bearing of claim 8, wherein each of the plurality of thrust pads, respectively, travel from one protrusion to an adjacent protrusion when moving between the first position to the second position and from the second position to the first position. 15. A bi-directional rotation offset pivot thrust bearing, comprising: a. a carrier having a first side and a second side and an outer peripheral wall, wherein said carrier is circular in shape and has a central axis;b. a plurality of protrusions affixed to said first side of said carrier, wherein each said protrusion includes a longitudinal axis, wherein each said protrusion is oriented such that each said longitudinal axis intersects said center axis of said circular carrier; andc. a plurality of thrust pads having an interface surface and a front surface, wherein said interface surface of a first said thrust pad is positioned adjacent a first said protrusion such that said first thrust pad is offset pivoted in a first direction, wherein said interface surface of said first thrust pad is slideable with respect to said first protrusion such that said interface surface of said first thrust pad may be positioned adjacent a second said protrusion such that said first thrust pad is offset pivoted in a second direction.
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