“The saw assembly is pivotably mounted on a saw table such that the saw assembly can be lowered towards the table to cut a workpiece resting on the table.”
“An expandable arm is pivotably disposed on the distal end of the tube.”
“The pins are insertable into the holes of the base so that the support is pivotally turnable with respect to the base.”
“A presser foot, for a sewing machine for use in sewing slide fasteners to garments, has a foot portion pivotally mounted on a vertically movable presser bar.”
“A silent chain is essentially an assemblage of gear racks, each with two teeth, pivotally connected to form a closed chain.”