Patent ID: 6079109
Filing Date: 2000-06-27
Classification: B23D

Abstract:
A frame for a metal-cutting saw comprising:a bow, wherein the bow is extended at a rear end by a pistol grip and a protective branch, and wherein the bow is extended at a front end by a branch having an end which includes an attachment stud for receiving a first end of a blade; anda blade-tensioning device having a blade-tension adjustment assembly, wherein the blade-tensioning device includes a lever fixed by a first articulation pin to an articulation stirrup piece which extends into a rear part of the protective branch, wherein the first articulation pin defines an axis about which the lever can rotate, and wherein the blade-tension adjustment assembly includes a blade support for receiving a second end of the blade, an opening for receiving the first articulation pin therein, a threaded rod connected to the blade support and connected for articulation relative to the lever by a second articulation pin which includes a hole for receiving the threaded rod, and a thumbwheel threadingly engaging the threaded rod and bearing against the second articulation pin.