Patent attributes
An adjustable button apparatus of a lock includes an adjusting sleeve, a transmission rod, a driving plate and a positioning pin, the adjusting sleeve is movable between a positioning position and an adjusting position. When the adjusting sleeve is located at the positioning position, the adjusting sleeve presses the positioning pin and makes the positioning pin engaged with the transmission rod and the driving plate, when the adjusting sleeve is located at the adjusting position, the positioning pin separates apart from the driving plate to make the driving plate transversely movable in the transmission rod. Via the positioning pin inserted at various positions of the driving plate for adjusting a joint length formed by jointing the transmission rod and the driving plate, the lock is applicable for installation in doors of various door thicknesses.
