Patent ID: 8116497
Filing Date: 2012-02-14
Classification: A45B

Abstract:
1. A portable speaker system for an outdoor umbrella having a shaft, comprising: a portable housing which comprises a first housing body and a second housing body defining a mounting slot when said first and second housing bodies are coupled with each other, wherein said mounting slot has a size for said shaft of said outdoor umbrella fitting therewithin; a detachable locker comprising a first locker provided at said first housing body and a second locker which is provided at said second housing body and is releasably locked with said first locker to detachably lock up said second housing body with said first housing body for securely mounting said portable housing around said shaft of said outdoor umbrella; an audio device which comprises two or more speakers supported in said first and second housing bodies of said portable housing respectively and an audio input operatively coupling with said speaker such that when said audio input sends an audio signal to said speakers, said speakers are adapted for producing audio sound as an additional function for said outdoor umbrella; and an adjustable retainer for adjusting the size of said mounting slot for said shaft of said outdoor umbrella, wherein said adjustable retainer comprises a retention arm, having a pusher surface facing towards said mounting slot, slidably mounted said first housing body and an adjustable locker controllably driving said retention arm at a position that when said retention arm is driven towards mounting slot, said pusher surface is arranged for biasing against an outer surface of said shaft of said outdoor umbrella until said shaft thereof being fitted at said mounting slot so as to substantially mount said portable housing at said outdoor umbrella, wherein said adjustable locker comprises a compression spring supported in said first housing body for applying a pushing force against said retention arm so as to normally push said pusher surface towards said mounting slot.