I wish to restrict an internal door from opening into a kitchen unit. I saw a device installed on a TV program that consisted of 2 blocks one recessed on the door the other in the jam joined by a chain which restricted the opening. It looked very neat but a Google has failed me, all I can find are security devices. All suggestions welcomed.
I think you'll find that that device is a closer rather than a restricter. Mounted in the hinge jam the forces excerted by even gentle pushing on the open edge of the door will be considerable.
Mechanical advantage between a push 32" away from the hinge and 1/2" away is 64 times...
Door stops are best placed at the outer edge of the door. Block or rubber stop on the floor is common or a door stop fixed to the wall/skirting out of the way at high or low level.
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