Patent ID: 7448237

Claim:
A rotational element position detector for a door latch assembly comprising: a plurality of toothed portions provided on a rotational element being capable of moving between two different positions; and a plurality of toothed portions provided on a rotation detection lever of an electric switch, wherein one of the plurality of toothed portions of either of the rotational element and the rotation detection lever is made into a larger toothed portion which is larger in at least one of pitch or tooth height than the other toothed portions; wherein one of a plurality of tooth grooves of the other of the rotational element and the rotation detection lever is made into a larger tooth groove that can be brought into mesh engagement with the larger toothed portion when the rotational element and the rotation detection lever are positioned so as to correspond to each other; and wherein the larger toothed portion and the larger tooth groove are capable of meshing with each other when the rotational element is situated at one of the two positions and the rotation detection lever is situated at a position which corresponds to the one of the two positions on the rotational element.