1. A method of forming a steering yoke body comprising:
rolling a metal sheet into a cylinder having adjoining axial edges;
affixing the adjoining axial edges of the metal sheet to each other; and
forming a separate concave arcuate bearing surface;
attaching the concave arcuate bearing surface to one end of the cylinder, the bearing surface constructed and arranged to receive a steering rack shaft.
2. The method of claim 1, wherein the metal sheet includes a polymeric layer.
3. The method of claim 2, wherein the polymeric layer comprises a fluoropolymer, an acetal resin, or a combination thereof.
4. The method of claim 1, wherein the arcuate bearing surface includes a polymeric layer.
5. The method of claim 1, further comprising affixing a polymeric layer to the concave arcuate bearing surface using an adhesive.
6. The method of claim 1, further comprising:
inwardly folding a portion of the cylinder at a location opposite the bearing surface to form an integral spring pocket adapted to support a spring.
7. The method of claim 1, further comprising:
forming a spring perch adapted to support a spring.
8. The method of claim 7, further comprising:
attaching the spring perch to the cylinder opposite the concave arcuate bearing surface to form a spring platform.
9. The method of claim 1, wherein the concave arcuate bearing surface is formed by:
cutting a section from a planar sheet; and
shaping the section to have a generally same radius of curvature as a rack shaft.
10. The method of claim 1, wherein the entire bearing surface is arcuate.
11. The method of claim 1, wherein affixing the adjoining axial edges is performed by welding.
12. The method of claim 1, wherein the cylinder is devoid of a polymeric layer.
13. The method of claim 1, wherein the bearing surface comprises a receiving hole extending through at least a portion of a thickness of the bearing surface.
14. A method of forming a steering yoke body comprising:
rolling a metal sheet into a cylinder having adjoining axial edges;
affixing the adjoining axial edges of the metal sheet to each other;
attaching a concave arcuate bearing surface to one end of the cylinder, the bearing surface constructed and arranged to receive a steering rack shaft, and wherein the bearing surface comprises a polymeric layer; and
inwardly folding a portion of the cylinder at a location opposite the bearing surface to form an integral spring pocket adapted to support a spring.
15. The method of claim 14, wherein the cylinder is devoid of a polymeric layer.
16. The method of claim 14, wherein affixing the adjoining axial edges is performed by welding.
17. The method of claim 14, wherein the bearing surface comprises a receiving hole extending through a thickness of the concave arcuate bearing surface.
18. The method of claim 14, wherein the cylinder is hollow.
19. A method of forming a steering yoke body comprising:
rolling a metal sheet into a cylinder having adjoining axial edges;
welding the adjoining axial edges of the metal sheet to each other;
forming a separate concave arcuate bearing surface;
attaching the concave arcuate bearing surface to one end of the cylinder, the bearing surface constructed and arranged to receive a steering rack shaft, comprising a polymeric layer and a receiving hole; and
forming a spring pocket in the cylinder at a location opposite the bearing surface, the spring pocket adapted to support a spring.
20. The method of claim 19, wherein the cylinder is devoid of a polymeric layer.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A multiplexerde-multiplexer memristive device comprising:
a memristive matrix, said memristive matrix containing mobile dopants;
programming electrodes, said programming electrodes being configured to apply an electrical field across said memristive matrix such that said mobile dopants form a conductive band, said conductive band remaining stable after removal of said electrical field;
a base electrode, said base electrode being disposed along a first side of said memristive matrix; and
a plurality of inputoutput electrodes disposed on a second side of said memristive matrix, said programming electrodes selectively applying said electrical field such that said conductive band selectively forms an electrical connection between said base electrode and one of said plurality of inputoutput electrodes.
2. The device of claim 1, wherein said single conductive band connects said base electrode to more than one of said plurality of inputoutput electrodes.
3. The device of claim 2, wherein said single conductive band connects said base electrode to one of said inputoutput electrodes with a first electrical resistance and connects said base electrode to another of said inputoutput electrodes with a second higher electrical resistance.
4. The device of claim 1, wherein said programming electrodes are electrically insulated from said memristive matrix.
5. The device of claim 1, wherein said memristive matrix is generally rectangular in shape; said memristive matrix having a first short side and an opposing second short side and a first long side and an opposing second long side; a first programming electrode being disposed on said first short side and a second programming electrode being disposed on said second short side; said base electrode contacting a substantial portion of said first long side and said plurality of inputoutput electrodes being separately disposed along said second long side.
6. The device of claim 1, wherein said multiplexing memristive device is configured to switch electrical signals, said electrical signals representing one or more data streams.
7. The device of claim 1, wherein said multiplexing memristive device is configured to act as a multiplexer and a de-multiplexer.
8. The device of claim 1, wherein said multiplexingde-multiplexing memristive device is configured to selectively make electrical contact with external electrical components to tune or repair an electrical circuit.
9. The device of claim 8, wherein said external electrical components comprise one or more of: a resistor, a capacitor, and an inductor.
10. The device of claim 8, further comprising a resistor network comprising resistors of different electrical resistance, wherein said multiplexingde-multiplexing memristive device makes selective contact with said resistor network to tune a circuit.
11. The device of claim 8, further comprising a coil, wherein said multiplexingde-multiplexing memristive device is further configured to selectively contact turns within said coil.
12. The device of claim 11, wherein said multiplexingde-multiplexing memristive device is further configured to act as an autotransformer.
13. The device of claim 8, wherein said multiplexingde-multiplexing memristive device is further configured selectively contact one or more capacitive plates to produce a variable capacitance.
14. The device of claim 1, wherein said memristive matrix is made of any of TiO2, ZrO2, HfO2, SrTiO3, GaN, CuCl and GaN.
15. A method for operating a multiplexingde-multiplexing memristive device, comprising:
applying a electrical field to achieve a first dopant configuration in a memristive matrix, said first dopant configuration connecting a base electrode to an first inputoutput electrode;
removing said electrical field; and
conducting an electrical current from between said base electrode and said first inputoutput electrode;
applying a second electrical field to achieve a second dopant configuration, said second dopant configuration connecting said base electrode to a second inputoutput electrode;
removing said second electrical field; and
conducting an electrical current from said base electrode to said second inputoutput electrode.
16. The method of claim 15, further comprising:
sensing a circuit characteristic; and
calculating said programming electrical field such that a desired change is made to said circuit characteristic.
17. A method of operating a multiplexerde-multiplexer memristive device, said device comprising:
a memristive matrix, said memristive matrix containing mobile dopants;
programming electrodes;
a base electrode, said base electrode being disposed along a first side of said memristive matrix; and
a plurality of inputoutput electrodes disposed on a second side of said memristive matrix,
said method comprising:
with said programming electrodes, selectively applying an electrical field such that a conductive band of said mobile dopants selectively forms an electrical connection in said memristive matrix between said base electrode and a selected one of said plurality of inputoutput electrodes, said conductive band remaining stable after removal of said electrical field; and
after removal of said electrical field, conducting current through said conductive band of mobile dopants between said base electrode and the selected one of said plurality of inputoutput electrodes.
18. The method of claim 17, further comprising, with a single conductive band, connecting said base electrode to more than one of said plurality of inputoutput electrodes.
19. The method of claim 17, further comprising, with said conductive band, making selective contact with a resistor network to tune a circuit.
20. The method of claim 17, further comprising, with said conductive band, selectively making electrical contact with a turn within a coil of an autotransformer.