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action mechanism

DEFINITIONS OF: action mechanism

1

n the operating part that transmits power to a mechanism

Synonyms:
action
Types:
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firing mechanism, gunlock
the action that ignites the charge in a firearm
movement
the driving and regulating parts of a mechanism (as of a watch or clock)
piano action
action consisting of a system of levers that move a felt hammer to strike the strings when a key is depressed
pump action, slide action
action mechanism in a modern rifle or shotgun; a back and forward motion of a sliding lever ejects the empty shell case and cocks the firearm and loads a new round
flintlock
an obsolete gunlock that has flint embedded in the hammer; the flint makes a spark that ignites the charge
wheel lock
an obsolete gunlock using flint and a revolving wheel
Type of:
mechanism
device consisting of a piece of machinery; has moving parts that perform some function
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