Patent ID: 7261654
Filing Date: 2007-08-28
Classification: A63B

Abstract:
1. An extendable bat comprising a covering member made of foam plastic material, having a front end and a rear end; a tubular core mounted inside the covering member and having a front end, a rear end, an inner wall with a toothed cross section and an annular slot defined in the tubular core near the rear end of the tubular core; a handle adjustably mounted in the tubular core and having a front end inserted into the rear end of the tubular core and a rear end extending out from the rear end of the tubular core; an adjusting device mounted between the handle and the tubular core and having a first locking member and a second locking member, wherein the first locking member has the second locking member has a resilient ring mounted around the clamps and held inside the curved slots in the clamps to combine the clamps together.