The idea is to use the combined weight of the chickens as they climb onto the roosting bar to sleep at night to pull the cables and pulleys and pop the door open.
Making a sliding chicken coop door.
As it shifts to a lighter weight the door closes.
Screw in two hinges per door one about four inches from the top of the door and the other about four inches from the bottom.
Build a cheap movable chicken coop.
The cord pulls the door up or lowers it.
The ones i ve seen on youtube are brilliant and.
There are no nails used in this chicken coop project.
Note that you may need a third hinge directly in the middle depending on how tall your chicken coop is.
You can also make a diy automatic chicken coop door and instead of using electricity or batteries use the chickens themselves.
Attach the front doors.
I ve designed what i believe to be a more simple method of creating a self locking chicken coop sliding door.
Bolts are also used for the assembly of the door parts.
The door slides along a channel made by screwing a 1x4 on each side of the door then attaching another piece of 1x4 that s offset one inch from the first piece.
Place where the sliding door of the chicken tractor is inserted.