1. An escape wheel and oscillating pallet fork of a watch

2. The result indicates that the diameter of escape wheel addendum, center distance of escape wheel and pendulum have their significant influence on the timing of clock mechanism.

3. Meronyms (parts of "Cogwheel"): cog; sprocket (tooth on the rim of gear wheel) tooth (one of a number of uniform projections on a gear) Hyponyms (each of the following is a kind of "Cogwheel"): bevel gear; pinion and crown wheel; pinion and ring gear (gears that mesh at an angle) escape wheel (gear that engages a rocking lever)