US PATENT SUBCLASS 83 / 581.1
.~ With tool tensioning means

Current as of: June, 1999
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83 /   HD   CUTTING

523  DF  MEANS TO DRIVE OR TO GUIDE TOOL {35}
581.1.~ With tool tensioning means

DEFINITION

Classification: 83/581.1

(under subclass 523) Device wherein the tool is subjected to two balancing forces causing or tending to cause extension of the tool.

SEE OR SEARCH THIS CLASS, SUBCLASS:

752, for a reciprocable-type tool (e.g., jigsaw) wherein stored energy (e.g., spring means) furnishes drive power in one direction.