| 摘要 |
A chainsaw guard for enhancing safe operation of a chain saw. The guard includes a housing providing a physical barrier that limits access to the cutter chain of the chain saw. The housing has an opening for exposing a selected portion of the cutter chain for cutting a target object such as the roof of a burning building or the exterior surface of a tree. A coupler adjustably connects the housing to the chain saw. To improve flexibility, the housing includes two sections that can move relative to each other. The housing alone or in cooperation with the object being cut succeeds in enclosing substantially all of the cutter chain at all times to prevent human injury by the cutter chain, and in keeping the cutting edge facing away from the user. The housing further reduces risk of injury by limiting the depth of the cut made by the chainsaw.
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