To provide a door lock changeable into multiple types of door locks having different spaces between a first engagement part with which a latch operation body for operating a latch bolt backward is engaged and a second engagement part with which a lock operation body for operating lock mechanism for locking a door is engaged.
A lock piece 40 positionally changeable to a lock position for restricting the backward movement of the latch bolt 6 and an unlock position for allowing the backward movement and a lock hub 42 for changing the position of the lock piece by the operating the lock piece are supported by an adjust member 43, and the adjust member is vertically adjustably supported on a lock case 4. A part 50 to be locked of an elastic piece 49 attached to the adjust member is selectively engaged with one of a plurality of locking parts 51 formed on a case body 11. Consequently, the adjust member is positioned, and the space between the first engagement part 36 formed on a lever hub and the second engagement part 62 formed on the lock hub can be adjusted.
SHIODA RYOJI
Mikio Yasuda
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