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Les langues disponibles
BUCKING
The process of cross cutting a felled tree or log into lengths.
PRUNING SAW POWER HEAD
A pruning saw without the saw chain and guide bar.
DRIVE SPROCKET OR SPROCKET
The toothed part that drives the saw chain.
GUIDE BAR
A solid railed structure that supports and guides the saw chain.
FRONT CHAIN GUARD
Moveable chain guard designed to protect against injury due
to kickback and pivot to allow material to be cut.
KICKBACK
The backward or upward motion, or both, of the guide bar
occurring when the saw chain near the nose of the top
area of the guide bar contacts any object such as a log or
branch, or when the wood closes in and pinches the saw
chain in the cut.
KICKBACK (PINCH)
The rapid pushback of the saw which can occur when the
wood closes in and pinches the moving saw chain in the cut
along the top of the guide bar.
KICKBACK (ROTATIONAL)
The rapid upward and backward motion of the saw which
can occur when the moving saw chain near the upper por-
tion of the tip of the guide bar contacts an object, such as
a log or branch.
GLOSSARY OF TERMS
LOCK-OUT BUTTON
A movable stop that prevents the unintentional operation of
the switch until manually actuated.
LOW-KICKBACK CHAIN
A chain that complies with the kickback performance re-
quirements of ANSI B175.1 when tested on a representative
sample of chainsaws.
NORMAL CUTTING POSITION
Those positions assumed in performing the bucking and
pruning cuts.
REDUCED KICKBACK GUIDE BAR
A guide bar which has been demonstrated to reduce kick-
back significantly.
REPLACEMENT SAW CHAIN
A chain that complies with the kickback performance require-
ments of ANSI B175.1 when tested with specific chainsaws.
It may not meet the ANSI performance requirements when
used with other saws.
SAW CHAIN
A loop of chain having cutting teeth that cut the wood, and
that is driven by the motor and is supported by the guide bar.
SPRINGPOLE
A small tree (sapling) or limb that is bent or trapped under
tension. It may "spring back" rapidly when cut, causing a
dangerous situation.
SWITCH TRIGGER
A device that when operated will complete or interrupt an
electrical power circuit to the motor of the pruning saw.
8 - English
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