1. An electrical conductor comprising a substantially planar areal conductor having a constricted current path region along a length thereof, and an accessory conductor bridging the constricted current path region along the length of the areal conductor such that a substantially uniform current density exists throughout the electrical conductor.
2. An electrical conductor according to claim 1 wherein the accessory conductor comprises a contoured edge opposing an edge defining the constricted current path region of the areal conductor.
3. An electrical conductor according to claim 2 wherein the contoured edge of the accessory conductor is circular or parabolic.
4. An electrical conductor according to claim 3 wherein the contoured edge of the accessory conductor, in the region of the current path constriction, is spaced outwardly from the edge defining the constricted current path region of the areal conductor.
5. An electrical conductor according to claim 2 wherein the contoured edge of the accessory conductor, in the region of the current path constriction, is spaced outwardly from the edge defining the constricted current path region of the areal conductor.
6. An electrical conductor according to claim 1 wherein the accessory conductor, in the region of the current path constriction, is spaced outwardly from at least one edge of the areal conductor.
7. An electrical conductor according to claim 1 wherein the areal conductor is a heating element.
8. An electrical conductor according to claim 7 wherein the accessory conductor is a heating element.
9. An electrical conductor comprising a generally flat areal conductor having a constricted currant path region along a length thereof between a first and second region each having a substantially equal current density, and an accessory conductor bridging the constricted current path region along the length of the areal conductor, the combined constricted current path region and accessory conductor having a current density substantially equal to the first and second regions.
10. An electrical conductor according to claim 9 wherein the constricted current path region is defined by an edge of the areal conductor and wherein the accessory conductor comprises a circular or parabolic contour opposing the edge of the areal conductor defining the constricted current path region.
11. An electrical conductor according to claim 10 wherein the contour of the accessory conductor is spaced outwardly from the edge of the areal conductor defining the constricted current path region.
12. An electrical conductor according to claim 9 wherein the constricted current path region is defined by two lengthwise edges of the areal conductor and wherein the accessory conductor comprises two circular or parabolic contours, each opposing a respective edge of the areal conductor defining the constricted current path region.
13. An electrical conductor according to claim 12 wherein each contour of the accessory conductor is spaced outwardly from the respective edge of the areal conductor defining the constricted current path region.
14. An electrical conductor according to claim 9 wherein the areal conductor and the accessory conductor comprise at least one of a metalized textile, a textile having carbon fibers, or a metalized film.
15. A conductor assembly comprising:
a generally planar areal conductor having a substantially uniform width along a length thereof and including a constricted region defined by a lengthwise edge of the areal conductor; and
an accessory conductor electrically coupled and attached to the areal conductor bridging the constricted region, the accessory conductor including a contoured edge spaced outwardly from and opposing the lengthwise edge of the areal conductor defining the constricted region, wherein the contoured edge is configured to provide a substantially uniform current density throughout the conductor assembly.
16. A conductor assembly according to claim 15 wherein the contoured edge is circular or parabolic in shape.
17. A conductor assembly according to claim 15 wherein two lengthwise edges of the areal conductor define the constricted region, and wherein the accessory conductor comprises two contoured edges each spaced apart from and opposing a respective edge of the areal conductor defining the constricted region.
18. A conductor assembly according to claim 15 wherein the areal conductor and the accessory conductor comprise at least one of a metalized textile, a textile having carbon fibers, or a metalized film.
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. In combination, a wrench and a wrench stop comprising:
an elongated shank having at least one gripping end having opposing sides, the gripping end being adapted for gripping a fastener, the shank being turned in order to apply torque for tightening and loosening the fastener;
a rigid circular plate removably attached to one of the opposing sides of the gripping end in order to prevent the gripping end from slipping past the fastener, said plate having a hole defined through the center of said plate adapted for extending around a shank of a bolt or stud; and
a toothed ring coupled to said rigid circular plate, said toothed ring having a diameter smaller than said circular plate and defining a hole aligned with the hole of said circular plate;
wherein said circular plate is magnetized.
2. The wrench and the wrench stop according to claim 1, wherein the gripping end comprises a U-shaped pair of jaws defining an open end wrench, said circular plate being attached to both jaws across the open end of the wrench, the diameter of the hole defined in the center of said plate being less than the width of the U-shaped opening defined by said jaws, whereby said jaws are prevented from sliding off lands defined on said fastener.
3. The wrench and the wrench stop according to claim 1, wherein the gripping end comprises a closed loop having internal gripping teeth defining a box end wrench, said circular plate being attached across the loop, the diameter of the hole defined in the center of said plate being less than the diameter of the loop, the circular plate and the loop being coaxially aligned, whereby the box end is prevented from sliding off said fastener, and said toothed ring being adapted for engaging the internal gripping teeth in the box end wrench in order to prevent rotation of the wrench stop with the gripping end of the wrench.
4. The wrench and the wrench stop according to claim 1, wherein the gripping end comprises a closed loop having a ratcheting gear with internal gripping teeth defining a ratcheting box end wrench, said circular plate being attached across the loop, the diameter of the hole defined in the center of said plate being less than the diameter of the loop, the circular plate and the loop being coaxially aligned, whereby the ratcheting box end is prevented from sliding off said fastener, and said toothed ring being adapted for engaging the internal gripping teeth in the ratcheting box end wrench in order to prevent rotation of the wrench stop with the gripping end of the wrench.
5. The wrench and the wrench stop according to claim 1, wherein said circular plate is made from metal.
6. The wrench and the wrench stop according to claim 1, wherein said circular plate is made from plastic.
7-12. (Canceled).
13. The wrench and the wrench stop according to claim 1,
wherein said at least one gripping end comprises a first gripping end having a U-shaped pair of jaws defining an open end and a second gripping end having a closed loop with internal gripping teeth defining a box end, whereby said shank defined a combination wrench, said rigid circular plate comprising a first circular plate selectively attached to said first end and a second circular plate selectively attached to said second end.
14. The wrench and the wrench stop according to claim 1, wherein said circular plate has a serrated edge.
15. The wrench and the wrench stop according claim 1, wherein said circular plate has a smooth edge.
16. The wrench and the wrench stop according to claim 1, wherein said circular plate has a thickness between about one-sixteenth and one-quarter inches.
17. A wrench stop, comprising:
a circular plate having a hole defined therein;
an annular magnet permanently affixed to the circular plate, the magnet defining a hole aligned with the hole in said circular plate, said circular plate having a serrated periphery for ease in grasping the wrench stop;
a toothed ring attached to said annular magnet;
whereby the plate being adapted for selective attachment across a gripping end of a wrench, the hole being adapted for extending around a shank of a bolt or stud in order to prevent the wrench from disengaging from the bolt or stud, and the wrench stop is adapted for attachment to the gripping end of the wrench by magnetic attraction.
18-19. (Canceled).
20. The wrench stop according to claim 17, wherein the toothed ring having a diameter smaller than said annular magnet, the toothed ring being adapted for engaging internal teeth in a box end wrench in order to prevent rotation of the wrench stop with the gripping end of the wrench.
21. The wrench and the wrench stop according to claim 1, further comprising an annular magnet permanently affixed between said circular plate and said toothed ring, the magnet defining a hole aligned with the hole in said circular plate and said toothed ring;
whereby the wrench stop is adapted for selective attachment to the gripping end of the wrench by magnetic attraction.