Watch straps length adjusting device, has link with two push buttons whose free ends comprise small dimension turning to slide in narrow part of slot and large dimension turning to cooperate with larger parts of slot

摘要

The device has a link (6) with two push buttons (9) mounted sliding in a transversal passage of the link and subjected to an action of a spring tending to space the push buttons from each other. Free ends of the push buttons comprise a small dimension turning (12) apt to slide in a narrow part of a slot (5) and a large dimension turning (11) apt to cooperate with larger parts of the slot.