Animal ear tag mounting mechanism

Details Animal ear tag mounting mechanism Animal ear tag mounting mechanism

1994-12-28

1997-07-01

Hafer, Robert A.

Surgery

Instruments

Means for applying animal identification device

40301, A61B 1700, G09F 300

Patent

active

056432844

ABSTRACT:
A snug fitting two-piece tagging system which employs a low-grade spring function therein. The present invention provides a piercing stud coupled to a domed shaped member. The compressible domed shaped member may have an outer surface which is domed away from the piercing stud and is concavely rounded on the inner surface from which the stud emanates. Further, the compressible domed shaped piercing stud may be formed from a flexible material. In this configuration, the compressible domed shape piercing stud functions as a low-grade spring which may be slightly compressed upon installation. That is, the piercing stud base may be snug against the tagged material around the contacting perimeter, leaving no gap to snag a foreign object.
Another embodiment of the present invention allows for interruption of contact around the contacting perimeter of the compressible domed shaped member to prevent the entrapment of moisture or the like in and around the compressible domed shaped member. This embodiment may prevent necrosis under the tag element while providing the attendant advantages of the spring action discussed above.

REFERENCES:
patent: 495270 (1893-04-01), Rozell
patent: 1159593 (1915-11-01), Lindeberg
patent: 1347868 (1920-07-01), Nichols
patent: 2940199 (1960-06-01), Goldberg
patent: 4696119 (1987-09-01), Howe et al.
patent: 5024013 (1991-06-01), Hayes et al.
patent: 5152249 (1992-10-01), Howe

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