Replacing toilet seat on skirted Toto

[berkeley99]

I'm about to purchase a Toto Vespin; however, I'm not a fan of the Toto seat covers and was hoping to purchase a separate cover. I have to buy one of the skirted Toto's since I have a 10" rough-in. My question is: how does one replace a seat cover on a skirted toilet once it's installed? The skirt covers the entire pedestal including where the seat cover bolt come through. So, if you ever needed to replace it, it looks to me that you'd have to move the whole toilet assembly just to be able to reach underneath to screw in the washer and nut. I'm trying to see if there are seat covers that mount/lock from above, but haven't had any luck so far (my supplier is also looking and equally perplexed by the problem). This doesn't make sense to me; I can't imagine Toto would not have thought of this. Maybe I should just figure that it's not all that often one needs to replace a seat cover, so I should be ok so long as the seat goes on before the toilet is installed.
Any thoughts or suggestions appreciated.

[Terry]

http://www.terrylove.com/wc/toto/MS874114SG_zoom.jpg

On Toto's concealed bowls, Vespin, Carlyle, Aquia and others, they supply toggle bolts that drop down, and allow installation and removal from the top.

http://www.terrylove.com/wc/toto/toto_seat_toggle.jpg
Seat toggles for the skirted bowls

[jadnashua]

The Toto seats come with an expansion bolt that drops in from the top...no need to access a loose nut from below. They come with the seat, but may be available as a replacement part. Basically, there is a rubber covered bolt and cam mechanism...you drop it through the hole to anchor the seat, then screw it until it is tight. The threads move a cam that clamps it in the hole and holds it in place. To remove it, you just loosen and pull it out.

[berkeley99]

thanks terry and jadnashua for information about the toto-supplied expansion bolts. I figured there had to be a way to deal with this. I also stopped at another supplier's today and they told me the same thing. Thanks again.