Half a croissant, on a plate, with a sign in front of it saying '50c'
h a l f b a k e r y
This is what happens when one confuses "random" with "profound."

idea: add, search, annotate, link, view, overview, recent, by name, random

meta: news, help, about, links, report a problem

account: browse anonymously, or get an account and write.

user:
pass:
register,


                     

Circular Rolling Door

Do I need a summary?
 
(+1, -1)
  [vote for,
against]

For reasons beyond my comprehension, nearly every circular door in existence uses hinges. This idea is to put the door on/in a track, and roll it out of the way of the doorway.

Making such a door easy to open and close is a bit tricky, but this *is* the halfbakery.

I say "nearly every," because google found precisely one rolling door, [link], but it's not precisely a widely known to exist architectural feature.

goldbb, Oct 28 2015

Bank with rolling door. https://www.google....e89b98981b1!6m1!1e1
[goldbb, Oct 28 2015]

Old idea! http://biblehub.com/luke/24-2.htm
This Idea may not be original enough. [Vernon, Oct 28 2015]

The rolling rock (Even Gollal) https://he.wikipedi...2%D7%95%D7%9C%D7%9C
[pashute, Nov 01 2015]

Please log in.
If you're not logged in, you can see what this page looks like, but you will not be able to add anything.
Short name, e.g., Bob's Coffee
Destination URL. E.g., https://www.coffee.com/
Description (displayed with the short name and URL.)






       bigsleep, you mean that if I posted an idea about an dilating door, it wouldn't get marked as WTCTTISITMWIBNIIWR, or something similar?
goldbb, Oct 28 2015
  

       For a halfbaked version, the door you seek is used in airlocks on Deep Space 9.
lurch, Oct 29 2015
  

       too much like a revolving door?
travbm, Oct 29 2015
  

       Not anything at all like a revolving door, [travbm]. Try reading for comprehension this time.
lurch, Nov 01 2015
  

       You may look into ultrasonic levetation and magnetic levitation. The circular door has a hole that seals up one way and closes another as it rotates.
travbm, Nov 01 2015
  

       [pash], for some reason your Wikipedia linked page comes out upside-down and back-to-front on my screen.
MaxwellBuchanan, Nov 01 2015
  

       Must be the Australian localisation.
pocmloc, Nov 01 2015
  


 

back: main index

business  computer  culture  fashion  food  halfbakery  home  other  product  public  science  sport  vehicle