Cutlery – Cutting tools – Saw
Patent
1986-03-26
1988-03-15
Watts, Douglas D.
Cutlery
Cutting tools
Saw
30391, B23D 4702
Patent
active
047303964
ABSTRACT:
An aligning mechanism for power hand saws in the preferred structure of this disclosure is connected to a saw. The saw comprises a motor, a handle, a blade, a base, and a switch to activate the motor and the blade. The mechanism includes an aligning device for aligning the saw. The aligning device and the saw move forwardly together and in unison during cutting movements of the saw. Such aligning device has an operable position and an non-operable position, such operable position being for positioning at least a portion of the aligning device below a saw base for engaging a work piece and the non-operable position being for positioning the aligning device up and away from a work piece. In one embodiment of the invention, an electrical solenoid is employed to move the aligning device, such solenoid being connected to the saw switch. Another embodiment of the invention employs a manually activated aligning device. Still another embodiment employs the forward movement of the saw and an engagement of the aligning device to a work piece to activate the aligning device. The aligning device can be selectively positioned for angular alignment of the saw.
REFERENCES:
patent: 2942633 (1960-06-01), King
patent: 2973576 (1961-03-01), Hentke
patent: 3045724 (1962-07-01), Mitchell
patent: 3757628 (1973-09-01), Camacho
patent: 3903774 (1975-09-01), Stinson
patent: 4125942 (1978-11-01), Horner
patent: 4202233 (1980-05-01), Larson
patent: 4335512 (1982-06-01), Sheps
patent: 4453312 (1984-06-01), Nishioka
patent: 4483071 (1984-11-01), Tekolste
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