recursive chmod that only affects directories?

The man page for chmod doesn't list a way to recursively change permissions on directories only, without affecting the files themselves.

Let's say that I wanted to change the permissions on the current directory and all subdirectories. I know I can write a bash script that would do this using find . -type d and parsing through the results, but there are over 100 Linux servers where I work and I don't want to have to add the script to each one of them. Is there any more elegant way that this can be done? Would the following work?

chmod 755 `find . -type d`
find . -type d -exec chmod 755 {} \;