| 摘要 |
An end cap assembly for a thin wall tubular ball bat includes an insert sleeve which is closely received inside the barrel end of the bat and defines, with the barrel, a glue chamber into which adhesive is injected to affix the sleeve to the barrel without a mechanical interlock. The end cap is mechanically locked into the sleeve and held in place by a radially projecting locking collar on an axially depending skirt portion of the end cap which is received in an annular recess in the internal cylindrical surface of the sleeve. Abutting shoulders on the end cap and sleeve prevent axial movement of the end cap relative to the sleeve.
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