The wheels are lowered with a simple cam and there is no need for a lock because in the down position the cam is past center and it stays down on it's own.
I attached a PDF which should make the drawing easier to read if you print it out.
The wheels are lowered with a simple cam and there is no need for a lock because in the down position the cam is past center and it stays down on it's own.
I attached a PDF which should make the drawing easier to read if you print it out.