Invention Grant
US08851784B2 System of an extension pole 有权
延伸杆系统

System of an extension pole
Abstract:
An extension pole. At least some of the illustrative embodiments include a first tubular member telescoped within a second tubular member. A first locking system is disposed within the internal volume of the first tubular member, and a second locking system is disposed at least partially on an outside diameter of the second tubular member.
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