Cutting – Rotatable disc tool pair or tool and carrier – With means to support work relative to tool
Patent
1985-05-02
1986-05-13
Yost, Frank T.
Cutting
Rotatable disc tool pair or tool and carrier
With means to support work relative to tool
83473, 834861, 83522, 83574, 83582, B27B 520
Patent
active
045878757
ABSTRACT:
A portable sawing device having a frame attachable by clamping means against the underside of a workpiece support bench. A portable circular power saw is supported on and engaged by an adapter plate hinged to a bearing plate at the forward part of a supporting arm. The adapter plate with the saw is movable about the horizontal hinge axis, between a lowered cutting position and a raised, tilted-up, non-cutting position, and is spring biased upwardly. The supporting arm comprises two concentric telescoped cylinders: the inner, bearing the saw, is rotatable within the outer and lockable thereto for bevel cutting; the outer is cantilevered forwardly from a support column vertically disposed behind the bench. The column is carried by a horizontal cross member secured between the ends of two parallel rods horizontally and forwardly disposed beneath the frame and slidably mounted in sleeves which are secured to a plate rotatably and lockably attached to the frame. The saw and arm reciprocate as a unit and the arm may be rotated about a vertical axis and locked to align the saw along desired cutting angles. The adapter plate and saw may be rotated with the attached bearing plate about a vertical axis to a rip cutting position perpendicular to the saw supporting arm and by means provided restrained in the lowered cutting position.
REFERENCES:
patent: 1646589 (1927-10-01), Meek et al.
patent: 2559283 (1951-07-01), Dick, Jr.
patent: 2602474 (1952-07-01), Truchan
patent: 3680609 (1972-08-01), Menge
patent: 4163404 (1979-08-01), Lavis
patent: 4328728 (1982-05-01), Ferdinand et al.
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