Woodworking – Boring machine – Hand held portable
Patent
1984-07-02
1986-04-15
Bray, W. D.
Woodworking
Boring machine
Hand held portable
144 1F, 408 90, 408135, 408172, 408712, B27C 300
Patent
active
045821054
ABSTRACT:
A work stand for power operated tools such as, for example, an electrically powered hand drill, with the work stand including a supporting bracket adjustable along a guide column, a guide plate pivotable about a horizontal axis at the supporting bracket, a slide displaceable in a prismatic guide of the guideway, and a machine support carried by the slide. The machine support is adapted to be pivoted around the horizontal axis and is steplessly adjustable around both axes up to a full rotational angle so as to accommodate large rotational moments in a fixed condition. The guide plate and the machine support are each provided with a truncated conically-shaped axle journal accommodated in an associated conical pivot bearing respectively provided at the supporting bracket and the slide.
REFERENCES:
patent: 2820377 (1958-01-01), Buck
patent: 2876663 (1959-03-01), Buck
patent: 3119286 (1964-01-01), Forman et al.
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