Self-centering alignment ring
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FIG. 1 is a perspective view of the self-centering alignment ring in its assembled configuration.
FIG. 2 is a side elevation view of the self-centering alignment ring, taken at the edge where the movable guide member fits onto the alignment ring.
FIG. 3 is a side elevation view of the self-centering alignment ring, taken at an edge rotated 90 degrees from the edge shown in FIG. 2.
FIG. 4 is a side elevation view of the self-centering alignment ring, taken at an edge rotated 180 degrees from the edge shown in FIG. 2.
FIG. 5 is a top plan view of the self-centering alignment ring.
FIG. 6 is a bottom plan view of the self-centering alignment ring.
FIG. 7 is an exploded perspective view taken at an upper side of the self-centering alignment ring; and,
FIG. 8 is an exploded perspective view taken at a lower side of the self-centering alignment ring.
| RE7440 | December 1876 | Jarecki |
| 429733 | June 1890 | Morgan |
| 820616 | May 1906 | Batt |
| 5316040 | May 31, 1994 | Townsend et al. |
Type: Grant
Filed: Apr 6, 1998
Date of Patent: Oct 12, 1999
Assignee: American Cast Iron Pipe Company (Birmingham, AL)
Inventors: Jerry T. Mann (Birmingham, AL), Terry L. Dougherty (Birmingham, AL)
Primary Examiner: Antoine Duval Davis
Attorney: Kerkam, Stowell, Kondracki & Clarke, P.C.
Application Number: 0/86,090
International Classification: 1004;
