Cutting – Tool carrier or guide affixed to work during cutting – Entirely work supported
Patent
1994-01-27
1996-04-23
Rada, Rinaldi I.
Cutting
Tool carrier or guide affixed to work during cutting
Entirely work supported
8352215, 83574, 83581, B27B 904
Patent
active
055093388
ABSTRACT:
A guide for cutting a truss joist I-beam with a hand-held power saw such as a worm drive, hypoid drive, or circular saw is disclosed. The guide comprises a base positionable along a top surface and an inner edge of one chord of the I-beam, a mechanism mounted on the base for securely holding the base to the chord, and a cutting guide pivotally mounted on the base for guiding a hand-held power saw at a selected angle in cutting the I-beam. The holding mechanism includes a handle extending from the base and a pivot arm pivotally coupled to the base. The pivot arm has a gripping end for contacting the chord and a pivot handle for pulling upwardly toward the handle for causing the gripping end to pivot into contact with the chord. The cutting guide comprises a face plate having a flat bottom surface for bridging and resting upon the tops of the chords of the I-beam and a flat front surface generally perpendicular to the bottom surface of the face plate for guiding a side support edge of a hand-held power saw when cutting the I-beam, a shoe support mounted on and extending forwardly from the bridge plate having a flat top surface coplanar with the bottom surface of the bridge plate for guiding a lower support edge of the hand-held power saw, and a mechanism for setting the saw guide for cutting the I-beam at a selected angle.
REFERENCES:
patent: 257041 (1882-04-01), Meyers
patent: 1535042 (1925-04-01), Sadler
patent: 4726274 (1988-02-01), Pitoni et al.
patent: 4751865 (1988-06-01), Buckalew
patent: 5155918 (1992-10-01), Hummer
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