Hi. I want to know the way the fabric of projector screens are locked and released. I know that there is a dig installed on the roller but I don't know how the dog works and what is the mechanisim....

Chuck (engineering)

Posts 1 - 1 of 1

amirhessam

Hi. I want to know the way the fabric of projector screens are locked and released. I know that there is a dig installed on the roller but I don't know how the dog works and what is the mechanisim.

Save

Cancel