Occupancy indicator

The "occupancy indicator" is device used to indicate whether a room or bed is currently occupied or not.

Indicators for rooms

• indicator states
• 
  "free" outside
• 
  "free" inside
• 
  "occupied" outside
• 
  "occupied" inside

This indicator is used to show whether a privatisable room is occupied or not. Pulling down the toggle attached to the inside of the door hides the "free" state and reveals the "occupied" state on the sign outside. When the toggle is pulled down and the door then closed, the cloth is clamped in the door frame, preserving the "occupied" state. When the door is opened, gravity pulls the block of wood down, returning the sign to the "free" state.

The current design is a 3rd iteration:

• Old bike gear cable is used. It is freely available anywhere bikes are repaired and very durable. (Brake cable can be used, but much stiffer)
• forming tensioner
• 
• 

• Small wire clamps are used at end junction and to limit the toggle distance for the "occupied" state.
• The cloth is a strip of denim. Made by getting an old pair of large jeans, cutting off one leg, opening up one of the seams, sewing it back together as a straight "tube", cutting off slices and punching a hole at opposite sides of the slice.
• The cloth is tensioned with a a formed metal rod at each end. Made by pressing old spokes against an improvised form (i.e. large nut cut in half + fitting metal rod) in a vice.