Patent ID: 6442848
Filing Date: 2002-09-03
Classification: B23D

Abstract:
A mechanized hand-held saw having a continuous loop blade, comprising in combination:a housing having a first and second portions interconnected by a bridge defining at least one arc-shaped opening separating said first and second portions, said first and second portions and said bridge contained in a first plane of symmetry and containing a longitudinal axis for said housing; a motor disposed in said first portion of said housing, said motor having a shaft extending from at least one end thereof and having an axis contained in said first plane of symmetry; a drive pulley mounted in said first portion of said housing to said shaft extending from said at least one end of said motor and configured to receive a portion of the continuous loop blade, said drive pulley contained in a second plane of symmetry different from said first plane of symmetry; a carriage disposed in said second portion of said housing and translatable between a first and second positions along a line approximately parallel to said first plane of symmetry; and a driven pulley mounted on said carriage and generally aligned with said first pulley and configured to receive another portion of the continuous loop blade; wherein the continuous loop blade on said drive pulley and said driven pulley provides two sections of the blade which span said arc-shaped opening at two spaced-apart locations and move in opposite directions.