Cutting – Rotatable disc tool pair or tool and carrier – Carrier for rotatable tool movable during cutting
Patent
1997-04-03
1998-08-11
Jones, Eugenia
Cutting
Rotatable disc tool pair or tool and carrier
Carrier for rotatable tool movable during cutting
834713, 834861, 83490, 83581, B27B 520, B23D 4504, B26D 116
Patent
active
057912246
ABSTRACT:
A circular sawing machine comprises a base table, a main support link having one end swingably pivoted to the base table about a first pivotal point, a support arm pivoted to the main support link to be swingable about a second pivotal point formed to the other end of the main support link, a circular saw blade mounted to the support arm to be rotatable through a rotational shaft, and a swing motion limiting link disposed between a third pivotal point formed to the base table and a fourth pivotal point formed to the support arm. The fourth pivotal point is positioned on a line connecting the second pivotal point and the rotational shaft, and a distance between the first pivotal point and the second pivotal point, a distance between the third pivotal point and the fourth pivotal point and a distance between the second pivotal point and the rotational shaft are set substantially equal to each other. A distance between the first pivotal point and the third pivotal point is set to about two times a distance between the second pivotal point and the fourth pivotal point. A support frame member is provided for the base table to be detachable to support a workpiece. A turn table is mounted rotatably to the base table.
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patent: 4945799 (1990-08-01), Knetzer
patent: 5020406 (1991-06-01), Sasaki et al.
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patent: 5257570 (1993-11-01), Shiotani et al.
Miyamoto Kouichi
Suzuki Akira
Takahashi Shoji
Goodman Charles
Jones Eugenia
Ryobi Limited
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