escapement

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Related to escapements: Lever escapement, Deadbeat escapement

escapement

1. any similar mechanism that regulates movement, usually consisting of toothed wheels engaged by rocking levers
2. (in a piano) the mechanism that allows the hammer to clear the string after striking, so that the string can vibrate
3. an overflow channel

escapement

[ə′skāp·mənt]
(horology)
A device in a timepiece consisting of a toothed wheel which engages alternate pallets attached to an oscillating member.
(mechanical engineering)
A ratchet device that permits motion in one direction slowly.
References in periodicals archive ?
There was reasonable escapement data on only 25 of the 70 recorded Skeena sockeye stocks.
Before the SWC fishing plan, DFO had based harvesting decisions partly on the goal of achieving a fixed escapement of one million sockeye.
Linderman said it's likely Fish and Game will shift back to a more conservative approach to management in the area, to ensure treaty obligations and escapement on both sides of the border are being satisfied.
A scallop is a type of escapement which utilises the centre of gravity of the parts (which need to be oriented) to orient them.
A Bayesian meta-analysis of the available food habits data was performed to estimate the number of salmon that striped bass eat per day, and the number of juvenile salmon passing through the Sacramento River system was estimated from ocean catches, spawning escapements, and considerations of smolt-to-adult survival rates.
During this period, winter-run chinook salmon spawning escapement (spawning population size) has been estimated by expanding fish ladder counts made when the flashboards are in place.
Harvest is only permitted if escapement goals are being met.
The team also found some areas for improvement, most significantly in bycatch monitoring and some aspects of the stock assessments and setting of escapement targets.
Crafted from titanium, the unique timepiece features a transparent sapphire disk revealing the skeletonized four tourbillon escapements and four time zone apertures.
In instances in which space or access around the assembly machine is limited, vacuum-operated escapements can be supplied to deliver the parts to the assembly machine while maintaining the required pitch.
According to Charlie Lean, NSEDC biologist, annual escapements have exceeded 42,000 fish since 2003, from 5,000 to 10,000 fish.
A successful fishery maintains the resource by meeting escapement goals, while balancing the needs of harvesters.