A key assembly is disclosed. The key assembly may have a blade, and a head configured to receive the blade. The key assembly may also have a locking feature separate from the blade and the head. The locking feature may be received by the head and configured to inhibit removal of the blade from the h
A key assembly is disclosed. The key assembly may have a blade, and a head configured to receive the blade. The key assembly may also have a locking feature separate from the blade and the head. The locking feature may be received by the head and configured to inhibit removal of the blade from the head via interference. The locking feature may deform during connection to the blade.
대표청구항▼
1. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being received by the head, the locking feature configured to inhibit removal of the blade from the head via interference, wherein: the locking feature deforms
1. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being received by the head, the locking feature configured to inhibit removal of the blade from the head via interference, wherein: the locking feature deforms during connection to the blade;the locking feature includes at least one tang that flexes out of the way of the blade during assembly and returns back into a recess of the blade to prevent disengagement; anddisengagement of the blade causes destruction of the locking feature. 2. The key assembly of claim 1, wherein the locking feature also deforms during connection to the head. 3. The key assembly of claim 1, wherein the locking feature is also configured to engage an accessory to connect the accessory to the key assembly. 4. The key assembly of claim 1, wherein the at least one tang is configured to engage a center opening in a head portion of the blade. 5. The key assembly of claim 1, wherein the at least one tang is configured to engage a side recess in a head portion of the blade. 6. The key assembly of claim 1, wherein the locking feature is generally U-shaped and configured to receive a head portion of the blade. 7. The key assembly of claim 6, wherein the U-shape of the locking feature includes legs separately received within two different openings in the head. 8. The key assembly of claim 1, wherein the head includes steps that engage shoulders of the blade to limit an insertion depth. 9. The key assembly of claim 1, wherein the locking feature further includes geometry that engage shoulders of the blade, which extend outward past edges of the blade and the head, to limit an insertion depth of the blade into the head. 10. The key assembly of claim 9, wherein the geometry includes at least one additional tang. 11. The key assembly of claim 1, wherein the locking feature is generally W-shaped. 12. The key assembly of claim 11, wherein the locking feature is configured to engage an opening formed in a sidewall of central cavity in the head and a recess in a side of the blade. 13. The key assembly of claim 1, wherein: the blade is fabricated from a first metal;the head is fabricated from plastic; andthe locking feature is fabricated from a second metal different from the first metal. 14. The key assembly of claim 13, wherein: the first metal is one of aluminum, brass, or bronze; andthe second metal is spring steel. 15. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being received by the head, the locking feature configured to inhibit removal of the blade from the head via interference, wherein:the locking feature deforms during connection to the blade;the locking feature includes at least one tang that flexes out of the way of the blade during assembly and returns back into a recess of the blade to prevent disengagement; andthe at least one tang includes two tangs that separately engage two different recesses in a head portion of the blade. 16. The key assembly of claim 15, further including at least one additional tang configured to exert continuous pressure on the head portion of the blade urging the head portion of the blade into further engagement with the two tangs. 17. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being received by the head, the locking feature configured to inhibit removal of the blade from the head via interference, wherein:the locking feature deforms during connection to the blade;the locking feature includes at least one tang that flexes out of the way of the blade during assembly and returns back into a recess of the to prevent disengagement;the at least one tang includes at least a first tang configured to engage a head portion of the blade; andthe locking feature further includes at least a second tang configured to engage the head. 18. The key assembly of claim 17, wherein: the head includes an internal cavity; andthe at least a second tang is configured to engage an opening formed in a side wall of the internal cavity. 19. The key assembly of claim 17, wherein: the head includes an internal cavity; andthe at least a second tang is configured to only frictionally engage a side wall of the internal cavity after assembly of the blade into the head. 20. The key assembly of claim 17, wherein the at least a second tang includes a plurality of second tangs. 21. The key assembly of claim 17, wherein the at least a first tang includes a plurality of first tangs. 22. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being received by the head, the locking feature configured to inhibit removal of the blade from the head via interference, wherein the locking feature deforms during connection to the blade, wherein: the locking feature is generally U-shaped and configured to receive a head portion of the blade;the locking feature includes legs separately received within two different openings in the head; andthe locking feature includes a single tang located at a distal tip end of one of the legs, the single tang configured to engage a recess in the head. 23. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being received by the head, the locking feature configured to inhibit removal of the blade from the head via interference, wherein: the locking feature includes first and second tangs that deform during connection to the blade;the head includes an opening that receives the blade; andthe locking feature is received in the head through the opening. 24. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being received by the head, the locking feature configured to inhibit removal of the blade from the head via interference, wherein: the locking feature deforms during connection to the blade;the locking feature includes at least one tang that flexes out of the way of the blade during assembly and returns back into a recess of the blade to prevent disengagement;the head includes a first opening that receives the blade, and a second opening located at an end of the head opposite the first opening; andthe locking feature is received into the head through the second opening. 25. A key assembly, comprising: a blade having: a head portion;a shank;a transition region connecting the head portion to the shank; andat least one protrusion located at the transition region and extending outward past side edges of the blade;a head configured to receive the head portion of the blade and having at least one shoulder configured to engage the at least one protrusion; anda locking feature separate from the blade and the head, the locking feature received by the head and configured to permanently inhibit removal of the blade from the head. 26. The key assembly of claim 25, wherein the locking feature includes at least one tang that flexes out of the way of the blade during assembly and returns back into a recess of the blade to prevent disengagement. 27. The key assembly of claim 26, wherein the at least one tang includes two tangs that separately engage two different recesses in the head portion of the blade. 28. The key assembly of claim 27, further including at least one additional tang configured to exert continuous pressure on the head portion of the blade urging the head portion of the blade into further engagement with the two tangs. 29. The key assembly of claim 26, wherein the at least one tang is configured to engage a center opening in a head portion of the blade. 30. The key assembly of claim 26 wherein the at least one tang is configured to engage a side recess in a head portion of the blade. 31. The key assembly of claim 26, wherein: the at least one tang includes at least a first tang configured to engage a head portion of the blade; andthe locking feature further includes at least a second tang configured to engage the head. 32. The key assembly of claim 31, wherein: the head includes an internal cavity; andthe at least a second tang is configured to engage an opening formed in a side wall of the internal cavity. 33. The key assembly of claim 31, Wherein: the head includes an internal cavity; andthe at least a second tang is configured to only frictionally engage a side wall of the internal cavity after assembly of the blade into the head. 34. The key assembly of claim 31, wherein the at least a second tang includes a plurality of second tangs. 35. The key assembly of claim 31, wherein the at least a first tang includes a plurality of first tangs. 36. The key assembly of claim 25, wherein the locking feature is generally U-shaped and configured to receive a head portion of the blade. 37. The key assembly of claim 36, wherein the U-shape of the locking feature includes legs separately received within two different openings in the head. 38. The key assembly of claim 37, wherein the locking feature includes a single tang located at a distal tip end of one of the legs, the single tang configured to engage a recess in the head. 39. The key assembly of claim 25, wherein: the head includes a first opening that receives the blade, and a second opening located at an end of the head opposite the first opening; andthe locking feature is received into the head through the second opening. 40. The key assembly of claim 25, wherein the locking feature is generally W-shaped. 41. The key assembly of claim 40, wherein the locking feature is configured to engage an opening formed in a sidewall of central cavity in the head and a recess in a side of the blade. 42. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being receivable by the head, the locking feature having: at least a first tang configured to engage the blade; andat least a second tang configured to engage the head,wherein the at least a first tang deflects away from the blade during assembly. 43. The key assembly of claim 42, wherein the at least a first and at least a second tangs flex out of the way during assembly and return back to prevent disengagement of the blade from the head. 44. The key assembly of claim 43, wherein the at least a first tang includes two first tangs that separately engage two different recesses in a head portion of the blade. 45. The key assembly of claim 44, further including at least one additional tang configured to exert continuous pressure on the head portion of the blade urging the head portion of the blade into further engagement with the two tangs. 46. The key assembly of claim 42, wherein the at least a first tang is configured to engage a center opening in a head portion of the blade. 47. The key assembly of claim 42, wherein the at least a first tang is configured to engage a side recess in a head portion of the blade. 48. The key assembly of claim 42, wherein: the head includes an internal cavity; andthe at least a second tang is configured to engage an opening formed in a side wall of the internal cavity. 49. The key assembly of claim 42, wherein: the head includes an internal cavity; andthe at least a second tang is configured to frictionally engage a side wall of the internal cavity. 50. The key assembly of claim 42, wherein the at least a second tang includes a plurality of second tangs. 51. The key assembly of claim 50, wherein the at least a first tang includes a plurality of first tangs. 52. The key assembly of claim 42, wherein the locking feature is generally U-shaped and configured to receive a head portion of the blade. 53. The key assembly of claim 42, wherein: the head includes a first opening that receives the blade, and a second opening located at an end opposite the first opening; andthe locking feature is received in the head through the second opening. 54. The key assembly of claim 42, wherein the locking feature is generally W-shaped. 55. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being receivable by the head, the locking feature having: at least a first tang configured to engage the blade; andat least a second tang configured to engage the head, wherein:the locking feature is generally U-shaped and configured to receive a head portion of the blade; andthe locking feature includes legs separately received within two different openings in the head. 56. The key assembly of claim 55, wherein the at least a second tang includes a single tang located at a distal tip end of one of the legs, the single tang configured to engage a recess in the head. 57. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being receivable by the head, the locking feature having: at least a first tang configured to engage the blade; andat least a second tang configured to engage the head, wherein:the head includes an opening that receives the blade; andthe locking feature is received in the head through the opening. 58. A key assembly, comprising: a blade;a head configured to receive the blade; anda locking feature separate from the blade and the head and being receivable by the head, the locking feature having: at least a first tang configured to engage the blade; andat least a second tang configured to engage the head, wherein the locking feature is flat and generally plate-like, and inserted into the head from a blade end of the head.
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