.

. Upper pin → driver pin. Bottom pin → key pin.

ドアノブ 鍵 構造 HTFYL
ドアノブ 鍵 構造 HTFYL from howtosingforyourlife.com

Upper pin → driver pin. Bottom pin → key pin.

Bottom pin → key pin.

Upper pin → driver pin. Bottom pin → key pin. Upper pin → driver pin.