Adjustable locking drink holder

A beverage container holder apparatus comprising:

• a holder body including a top wall and a bottom wall with side walls therebetween cooperatively defining an open-top well configured for supporting and retaining a beverage container therein, said well presenting a span thereacross;
• an adjusting wall;
• and
• coupling means for coupling said adjusting wall with said holder body in spanning relationship with said well and for selectively shifting said adjusting wall relative to said side walls for selectively adjusting said span of said well in order to support and retain therein a selected one of a plurality of differently sized beverage containers,
• said holder body presenting a rearward side, said apparatus further including an adjustable length support strap coupled with said rearward side of said holder body and having means for attaching to a generally upright support surface,
• said apparatus further including a spacer element coupled with said holder and configured for spacing said holder body from the support surface, said spacer element being rotatable and eccentrically coupled with said bottom wall for selectively changing said spacing upon rotation of said element,
• said spacer element being rotatable between a minimum spacing position in which said element is substantially within the confines of the area of said bottom wall and a maximum spacing position in which said spacer element is positioned at its maximum extent from said rearward side with a plurality of intermediate positions therebetween.