a narrow wheel geared to a striking train or other mechanism and having a notched rim engaging with another mechanism permitting it to rotate through a specific arc.
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- lockhart, john gibson,
- locking piece,
- locking pliers,
- lockout box
Origin of locking plate
First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for locking plate
The chief forms are Rack, and Locking-plate, or Count-wheel.
Wheel, CountThe wheel carrying the locking-plate in a striking mechanism.