The pin for this pivot may be a thick flat-head wire nail, screw, or even a screw eye.
There is to be a screw eye attached to the foot of the couch.
After three or four years you can't see the screw eye, it grows right into the tree.
The head of the horizontal bolt rests upon the screw eye which is immediately below the head of the suspended bolt.
This screw eye must have an opening large enough to permit an iron machine bolt (G) to pass through it easily.
The connection is made with a screw eye similar to the one used in the crossarm.
This stick is useful in lowering window shades that have a ring or screw eye attached to the lower part of the shade.
A stick was nailed across the end of each spoke and the bail of the pail was held by a screw eye threaded into this stick.
A screw eye is placed at the front end, as shown, to which is attached a string to pull it by.
It is best to bore the hole for the screw eye first, in order to prevent splitting the block.