Rotational element position detector for door latch assembly
First Claim
Patent Images
1. 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; and
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.
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Abstract
To prevent an erroneous installation of a rotational detection lever and a rotational element, one of a plurality of toothed portions of a rotational element is made into a larger toothed portion which is larger in pitch and/or tooth height, and one of a plurality of tooth grooves of a rotation detection lever is made into a larger tooth groove which can mesh with the larger toothed portion when the rotational element and the rotation detection lever are positioned so as to correspond to each other.
10 Citations
6 Claims
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1. A rotational element position detector for a door latch assembly comprising:
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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; and
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. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification