Driver, fastener and forming tool
A device for use in a torque transmitting system including a driver having a specially configured driver end and a fastener having a specially configured recess for receiving the end of the driver, wherein the respective externally configured and internally configured components include a body having an axis in which the body has an outer polygonal cross section defined by a perimeter wall, an inner polygonal central portion positioned within the perimeter wall and having an area less than the area of the outer polygonal cross section; a drive wall which forms a portion of the perimeter wall and extends on a plane from a proximal end outwardly from the polygonal central portion to a distal end; a first outer wall forming another portion of the perimeter wall has a proximal end joining the distal end of the drive wall at an angle which may be less than 90° and a distal end terminating on the perimeter wall. The system includes a fastener driver, a threaded fastener having a recess for receiving the end of the fastener driver and a forming tool for forming a recess in the head of the fastener.
1. A device for use in a torque transmitting system or the fabrication of components for such a system comprising:
a. a body including an axis;
b. said body having a modified cross section, said modified cross section being polygonal, defined by a perimeter wall;
c. a polygonal central portion positioned within said perimeter wall and having an area less than the area of said modified polygonal cross section;
d. a drive wall forming a portion of said perimeter wall extending on a plane from a proximal end outwardly from said polygonal central portion to a distal end; and
e. a first outer wall forming another portion of said perimeter wall and having a proximal end joining the distal end of said drive wall at an angle and a distal end terminating on said perimeter wall; wherein:
f. said drive wall is one of a plurality of drive walls, said first outer wall is one of a plurality of first outer walls, and said perimeter wall additionally comprises a plurality of second outer walls having proximal ends respectively joined angularly to each of said distal ends of said first outer walls and having distal ends respectively joined to the proximal ends of each of said successive drive walls; and
g. said first outer wall is longer than said drive wall.
2. A device according to claim 1 wherein:
a. said proximal end of said first outer wall joins said distal end of said drive wall at a substantially right angle.
3. A device according to claim 1 wherein:
a. said drive walls and said first and second outer walls are substantially planar.
4. A device according to claim 1 wherein:
a. said proximal end of said second outer wall joins said distal end of said first outer wall at a substantially obtuse angle.
5. A device according to claim 1 wherein:
a. said drive wall is on a plane generally on a radial axis of said axis of said body.
6. A device according to claim 1 wherein:
a. said perimeter wall forms an asymmetrical geometric configuration.
7. A device according to claim 1 wherein:
a. at least a portion of said perimeter wall tapers inwardly in an axial direction.
8. A device according to claim 7 wherein:
a. said portion of said perimeter wall which tapers is a wall other than said drive wall; and
b. said drive wall is on a plane substantially parallel to said axis of said fastener.
9. A device according to claim 1 wherein:
a. all portions of said perimeter wall are tapered except said drive walls which are on a plane vertical to said axis of said fastener.
10. A device according to claim 1 wherein:
a. said first and second outer walls of said device have an area substantially greater than said drive walls of said device.
11. A device according to claim 1 wherein:
a. said first outer wall is longer than said second outer wall.
12. A device for use in a torque transmitting system or the fabrication of components for such a system comprising:
a. a body including an axis;
b. said body having a modified cross section, said modified cross section being polygonal, defined by a perimeter wall;
c. a polygonal central portion positioned within said perimeter wall and having an area less than the area of said modified polygonal cross section;
d. a drive wall forming a portion of said perimeter wall extending on a plane from a proximal end outwardly from said polygonal central portion to a distal end; and
e. a first outer wall forming another portion of said perimeter wall and having a proximal end joining the distal end of said drive wall at an angle and a distal end terminating on said perimeter wall; wherein:
f. said drive wall is one of a plurality of drive walls, said first outer wall is one of a plurality of first outer walls, and said perimeter wall additionally comprises a plurality of second outer walls having proximal ends respectively joined angularly to each of said distal ends of said first outer walls and having distal ends respectively joined to the proximal ends of each of said successive drive walls; and
g. said polygonal central portion is a square.
13. A device according to claim 12 wherein:
a. said proximal end of said first outer wall joins said distal end of said drive wall at a substantially right angle.
14. A device according to claim 12 wherein:
a. said drive walls and said first and second outer walls are substantially planar.
15. A device according to claim 12 wherein:
a. said proximal end of said second outer wall joins said distal end of said first outer wall at a substantially obtuse angle.
16. A device according to claim 12 wherein:
a. said drive wall is on a plane generally on a radial axis of said axis of said body.
17. A device according to claim 12 wherein:
a. said perimeter wall forms an asymmetrical geometric configuration.
18. A device according to claim 12 wherein:
a. at least a portion of said perimeter wall tapers inwardly in an axial direction.
19. A device according to claim 18 wherein:
a. said portion of said perimeter wall which tapers is a wall other than said drive wall; and
b. said drive wall is on a plane substantially parallel to said axis of said fastener.
20. A device according to claim 12 wherein:
a. all portions of said perimeter wall are tapered except said drive walls which are on a plane vertical to said axis of said fastener.
21. A device according to claim 12 wherein:
a. said first and second outer walls of said device have an area substantially greater than said drive walls of said device.
22. A device according to claim 12 wherein:
a. said first outer wall is longer than said second outer wall.
23. A device for use in a torque transmitting system or the fabrication of components for such a system comprising:
a. a body including an axis;
b. said body having a modified cross section, said modified cross section being polygonal, defined by a perimeter wall;
c. a polygonal central portion positioned within said perimeter wall and having an area less than the area of said modified polygonal cross section and having facing sides;
d. a drive wall forming a portion of said perimeter wall extending on a plane from a proximal end outwardly from said polygonal central portion to a distal end; and
e. a first outer wall forming another portion of said perimeter wall and having a proximal end joining the distal end of said drive wall at an angle and a distal end terminating on said perimeter wall; wherein:
f. said drive wall is one of a plurality of drive walls, said first outer wall is one of a plurality of first outer walls, and said perimeter wall additionally comprises a plurality of second outer walls having proximal ends respectively joined angularly to each of said distal ends of said first outer walls and having distal ends respectively joined to the proximal ends of each of said successive drive walls; and
g. a first axial plane adjacent said drive wall bisects facing sides of said polygonal central portion, and said drive wall is positioned closer to said first axial plane than said second outer wall.
24. A device according to claim 23 wherein:
a. said proximal end of said first outer wall joins said distal end of said drive wall at a substantially right angle.
25. A device according to claim 23 wherein:
a. said drive walls and said first and second outer walls are substantially planar.
26. A device according to claim 23 wherein:
a. said proximal end of said second outer wall joins said distal end of said first outer wall at a substantially obtuse angle.
27. A device according to claim 23 wherein:
a. said drive wall is on a plane generally on a radial axis of said axis of said body.
28. A device according to claim 23 wherein:
a. at least a portion of said perimeter wall tapers inwardly in an axial direction.
29. A device according to claim 28 wherein:
a. said portion of said perimeter wall which tapers is a wall other than said drive wall; and
b. said drive wall is on a plane substantially parallel to said axis of said fastener.
30. A device according to claim 23 wherein:
a. all portions of said perimeter wall are tapered except said drive walls which are on a plane vertical to said axis of said fastener.
31. A device according to claim 23 wherein:
a. said first and second outer walls of said device have an area substantially greater than said drive walls of said device.
32. A device according to claim 23 wherein:
a. said first outer wall is longer than said second outer wall.
33. A device for use in a torque transmitting system or the fabrication of components for such a system comprising:
a. a body including an axis;
b. said body having a modified cross section, said modified cross section being polygonal, defined by a perimeter wall;
c. a polygonal central portion positioned within said perimeter wall and having an area less than the area of said modified polygonal cross section;
d. a drive wall forming a portion of said perimeter wall extending on a plane from a proximal end outwardly from said polygonal central portion to a distal end; and
e. a first outer wall forming another portion of said perimeter wall and having a proximal end joining the distal end of said drive wall at an angle and a distal end terminating on said perimeter wall; wherein:
g. at least a portion of said perimeter wall tapers inwardly in an axial direction; and
h. said modified cross section is formed with an asymmetrical configuration.
34. A device according to claim 33 further comprising:
a. a second outer wall forming another portion of said perimeter wall and having a proximal end joining the distal end of said first outer wall and a distal end terminating on said perimeter wall.
35. A device according to claim 34 wherein:
a. said proximal end of said first outer wall joins said distal end of said drive wall at a substantially right angle.
36. A device according to claim 34 wherein:
a. said drive walls and said first and second outer walls are substantially planar.
37. A device according to claim 34 wherein:
a. said proximal end of said second outer wall joins said distal end of said first outer wall at a substantially obtuse angle.
38. A device according to claim 34 wherein:
a. said drive wall is on a plane generally on a radial axis of said axis of said body.
39. A device according to claim 34 wherein:
a. all portions of said perimeter wall are tapered except said drive walls which are on a plane vertical to said axis of said fastener.
40. A device according to claim 34 wherein:
a. said first and second outer walls of said device have an area substantially greater than said drive walls of said device.
41. A device according to claim 34 wherein:
a. said first outer wall is longer than said second outer wall.