Cutlery – Cutting tools – Saw
Patent
1993-10-08
1995-01-17
Seidel, Richard K.
Cutlery
Cutting tools
Saw
30375, B27B 902
Patent
active
053816021
ABSTRACT:
An electric motor operated hand circular saw has a base plate, a motor housing turnable relative to the base plate, an electric motor accommodated in the motor housing and having a drive shaft, a circular saw blade arranged on the drive shaft of the electric motor, and a pre-slitting abutment for adjusting a pre-slitting position of the saw blade in which the saw blade penetrates into a surface of a workpiece to be sawed by a limited pre-slitting depth. The pre-slitting abutment has two fixed abutment positions in which two different turning positions of the motor housing relative to the base plate are adjusted, so that in a first of the abutment positions during guiding the base plate over a guiding rail on a workpiece surface and in a second of the abutment positions during guiding the base plate along a strip clamped on the workpiece surface or with a parallel abutment held on the base plate on the workpiece edge on the workpiece surface, the saw blade penetrates correspondingly into the workpiece surface with a pro-slitting depth.
REFERENCES:
patent: 1623290 (1927-04-01), Wappat
patent: 1740074 (1929-12-01), Crowe
patent: 3262471 (1966-07-01), McCarty
patent: 4221051 (1980-09-01), Glass
patent: 4982501 (1991-01-01), Sauerwein et al.
patent: 5010651 (1991-04-01), Techter et al.
Gansel Eduard
Matzo David
Schramm Heribert
Payer Hwei-Siu
Robert & Bosch GmbH
Seidel Richard K.
Striker Michael J.
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