duna6430@gmail.com <duna6430@gmail.com> dixit:

>Agreed on the L-brackets/straps always worked for us.  I've also seen
>the adjustable 1/4" bolt thing (kind of like a "t" nut in reverse -
>mounts to the top of the cabinet or shelf post, and backs out,towards
>the overheard to secure the fixture/post.

I had something like that in my apartment in Tokyo. Sort-of
miniature car jacks on top of cupboards, etc. which extended up to
the ceiling and held them in place. 

-- 
Jim Breen        http://www.csse.monash.edu.au/~jwb/
Clayton School of Information Technology,
Monash University, VIC 3800, Australia 
ジム・ブリーン@モナシュ大学