IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0416005
(2012-03-09)
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등록번호 |
US-8297451
(2012-10-30)
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발명자
/ 주소 |
- Dewberry, Jeff
- Calhoun, Frank
- Creed, Robert
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
15 |
초록
▼
A stem may comprise a circular base, a plurality of outer ears, and a plurality of outer uprights. The circular base may have a circular outer perimeter centered on a center point of the circular base. The plurality of outer ears may protrude outwardly from the circular outer perimeter. The pluralit
A stem may comprise a circular base, a plurality of outer ears, and a plurality of outer uprights. The circular base may have a circular outer perimeter centered on a center point of the circular base. The plurality of outer ears may protrude outwardly from the circular outer perimeter. The plurality of outer uprights may be respectively connected to each of the plurality of outer ears at a bottom end of each of the plurality of outer uprights. The plurality of outer uprights may be substantially parallel with each other and may be substantially perpendicular to the circular base. The stem may be configured to allow an additional stem to mateable stack inside the stem. The additional stem may be rotated (with respect to the stem) an incremental amount such that sides of outer ears of the additional stem may respectively contact sides of the outer uprights of the stem.
대표청구항
▼
1. A system of stackable stems, the system comprising: a first stem comprising: a first circular base having a first circular outer perimeter centered on a first center point of the first circular base,a first set of a plurality of outer ears protruding outwardly from the first circular outer perime
1. A system of stackable stems, the system comprising: a first stem comprising: a first circular base having a first circular outer perimeter centered on a first center point of the first circular base,a first set of a plurality of outer ears protruding outwardly from the first circular outer perimeter, anda first set of a plurality of outer uprights being respectively connected to each of the first set of the plurality of outer ears at a bottom end of each of the first set of the plurality of outer uprights, the first set of the plurality of outer uprights being substantially parallel with each other and being substantially perpendicular to the first circular base; anda second stem comprising: a second circular base having a second circular outer perimeter centered on a second center point of the second circular base,a second set of a plurality of outer ears protruding outwardly from the second circular outer perimeter, anda second set of a plurality of outer uprights being respectively connected to each of the second set of the plurality of outer ears at a bottom end of each of the second set of the plurality of outer uprights, the second set of the plurality of outer uprights being substantially parallel with each other and being substantially perpendicular to the second circular base, the second stem being mateably stacked inside the first stem causing the first set of the plurality of outer uprights to be substantially parallel with the second set of the plurality of outer uprights, wherein the first circular base further comprises a plurality of notches configured to allow the second set of the plurality outer uprights to pass through the plurality of notches. 2. The system of claim 1, wherein the first set of the plurality of outer ears are configured to index with the second set of the plurality of outer uprights. 3. The system of claim 1, wherein the plurality of outer ears in the first set of the plurality of outer ears are spaced a distance apart, the distance being defined as: D=(d)(x),whereD is the distance between the first set of the plurality of outer ears,d is a largest cross-sectional dimension of one of the second set of the plurality of outer uprights, andx is an integer. 4. The system of claim 1, wherein the first stem further comprises: a first base plate; anda first spacer located between the first base plate and the circular base. 5. The system of claim 1, wherein: the first stem further comprises: a first circular inner perimeter on the first circular base, the first circular inner perimeter being centered on the first center point of the first circular base;a first set of a plurality of inner ears protruding inwardly from the first circular inner perimeter, the first circular inner perimeter and first set of the plurality of inner ears defining an opening in the first circular base; anda first set of a plurality of inner uprights being respectively connected to each of the first set of the plurality of inner ears at a bottom end of each of the first set of the plurality of inner uprights, the first set of the plurality of inner uprights being substantially parallel with each other and being substantially perpendicular to the first circular base; andthe second stem further comprises: a second circular inner perimeter on the second circular base, the second circular inner perimeter being centered on the second center point of the second circular base;a second set of a plurality of inner ears protruding inwardly from the second circular inner perimeter, the second circular inner perimeter and the second set of the plurality of inner ears defining an opening in the second circular base; anda second set of a plurality of inner uprights being respectively connected to each of the set of the plurality of inner ears at a bottom end of each of the set of the plurality of inner uprights, the second set of the plurality of inner uprights being substantially parallel with each other and being substantially perpendicular to the second circular base. 6. A system comprising: a first stem comprising: a first circular base having a first circular outer perimeter centered on a first center point of the first circular base,a first plurality of outer ears protruding outwardly from the first circular outer perimeter,a first plurality of outer uprights being respectively connected to each of the first plurality of outer ears at a first bottom end of each of the first plurality of outer uprights, the first plurality of outer uprights being substantially parallel with each other,a circular inner perimeter on the first circular base, the circular inner perimeter being centered on the center point of the first circular base,a plurality of inner ears protruding inwardly from the circular inner perimeter, the circular inner perimeter and the plurality of inner ears defining an opening in the first circular base, anda plurality of inner uprights being respectively connected to each of the plurality of inner ears at a bottom end of each of the plurality of inner uprights, the plurality of inner uprights being substantially parallel with each other and being substantially perpendicular to the first circular base; anda second stem comprising: a second circular base having a second circular outer perimeter centered on a second center point of the second circular base,a second plurality of outer ears protruding outwardly from the second circular outer perimeter, anda second plurality of outer uprights being respectively connected to each of the second plurality of outer ears at a second bottom end of each of the second plurality of outer uprights, the second plurality of outer uprights being substantially parallel with each other. 7. The system of claim 6, wherein the plurality of inner ears are located symmetrically to one another around the circular inner perimeter. 8. The system of claim 6, wherein the plurality of inner uprights are substantially parallel with the first plurality of outer uprights. 9. The system of claim 6, further comprising a top end of each of the plurality of inner uprights being connected to each other. 10. The system of claim 6, wherein the first plurality of outer uprights are greater in number than the plurality of inner uprights. 11. The system of claim 6, wherein each of the plurality of inner uprights has a cross-sectional shape comprising one of the following: circular, triangular, rectangular, pentagonal, hexagonal, heptagonal, and octagonal. 12. The system of claim 6, wherein a distance between the plurality of inner ears is defined as: D=(d)(x),whereD is the distance between the plurality of inner ears,d is a largest cross-sectional dimension of one of the plurality of inner uprights, andx is an integer. 13. The system of claim 6, further comprising an outer ring connected to a top end of each of the first plurality of outer uprights. 14. The system of claim 6, wherein the first plurality of outer ears are located symmetrically to one another around the circular outer perimeter. 15. The system of claim 6, further comprising: a base plate; anda spacer between the base plate and the circular base. 16. The system of claim 6, wherein each of the first plurality of outer uprights has a cross-sectional shape comprising one of the following: circular, triangular, rectangular, pentagonal, hexagonal, heptagonal, and octagonal. 17. The system of claim 6, wherein a distance between the first plurality of outer ears is defined as: D=(d)(x),whereD is the distance between the first plurality of outer ears,d is a largest cross-sectional dimension of one of the first plurality of outer uprights, andx is an integer. 18. A system comprising: a first stem comprising: a first circular base having a first circular outer perimeter centered on a first center point of the first circular base,a first set of a plurality of outer ears protruding outwardly from the first circular outer perimeter, wherein the first set of the plurality of outer ears are configured to index with the second set of the plurality of outer uprights, anda first set of a plurality of outer uprights being respectively connected to each of the first set of the plurality of outer ears at a bottom end of each of the first set of the plurality of outer uprights, the first set of the plurality of outer uprights being substantially parallel with each other and being substantially perpendicular to the first circular base; anda second stem comprising: a second circular base having a second circular outer perimeter centered on a second center point of the second circular base,a second set of a plurality of outer ears protruding outwardly from the second circular outer perimeter, anda second set of a plurality of outer uprights being respectively connected to each of the second set of the plurality of outer ears at a bottom end of each of the second set of the plurality of outer uprights, the second set of the plurality of outer uprights being substantially parallel with each other and being substantially perpendicular to the second circular base, the second stem being mateably stacked inside the first stem causing the first set of the plurality of outer uprights to be substantially parallel with the second set of the plurality of outer uprights,wherein the first circular base further comprises a plurality of notches configured to allow the second set of the plurality outer uprights to pass through the plurality of notches,wherein the plurality of outer ears in the first set of the plurality of outer ears are spaced a distance apart, the distance being defined as: D=(d)(x),whereD is the distance between the first set of the plurality of outer ears,d is a largest cross-sectional dimension of one of the second set of the plurality of outer uprights, andx is an integer. 19. A system of stackable stems, the system comprising: a first stem comprising: a first circular base having a first circular outer perimeter centered on a first center point of the first circular base,a first set of a plurality of outer ears protruding outwardly from the first circular outer perimeter,a first set of a plurality of outer uprights being respectively connected to each of the first set of the plurality of outer ears at a bottom end of each of the first set of the plurality of outer uprights, the first set of the plurality of outer uprights being substantially parallel with each other and being substantially perpendicular to the first circular base,a first circular inner perimeter on the first circular base, the first circular inner perimeter being centered on the first center point of the first circular base,a first set of a plurality of inner ears protruding inwardly from the first circular inner perimeter, the first circular inner perimeter and first set of the plurality of inner ears defining an opening in the first circular base, anda first set of a plurality of inner uprights being respectively connected to each of the first set of the plurality of inner ears at a bottom end of each of the first set of the plurality of inner uprights, the first set of the plurality of inner uprights being substantially parallel with each other and being substantially perpendicular to the first circular base; anda second stem comprising: a second circular base having a second circular outer perimeter centered on a second center point of the second circular base,a second set of a plurality of outer ears protruding outwardly from the second circular outer perimeter,a second set of a plurality of outer uprights being respectively connected to each of the second set of the plurality of outer ears at a bottom end of each of the second set of the plurality of outer uprights, the second set of the plurality of outer uprights being substantially parallel with each other and being substantially perpendicular to the second circular base, the second stem being mateably stacked inside the first stem causing the first set of the plurality of outer uprights to be substantially parallel with the second set of the plurality of outer uprights,a second circular inner perimeter on the second circular base, the second circular inner perimeter being centered on the second center point of the second circular base,a second set of a plurality of inner ears protruding inwardly from the second circular inner perimeter, the second circular inner perimeter and the second set of the plurality of inner ears defining an opening in the second circular base, anda second set of a plurality of inner uprights being respectively connected to each of the set of the plurality of inner ears at a bottom end of each of the set of the plurality of inner uprights, the second set of the plurality of inner uprights being substantially parallel with each other and being substantially perpendicular to the second circular base. 20. The system of claim 19, wherein the first set of the plurality of outer ears are configured to index with the second set of the plurality of outer uprights. 21. The system of claim 19, wherein the first circular base further comprises a plurality of notches configured to allow the second set of the plurality outer uprights and the second set of the plurality of inner upright to pass through the plurality of notches. 22. The system of claim 19, wherein the plurality of outer ears in the first set of the plurality of outer ears are spaced a distance apart, the distance being defined as: D=(d)(x),whereD is the distance between the first set of the plurality of outer ears,d is a largest cross-sectional dimension of one of the second set of the plurality of outer uprights, andx is an integer. 23. The system of claim 19, wherein the first stem further comprises: a first base plate; anda first spacer located between the first base plate and the circular base.
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