Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable
Patent
1995-02-27
1997-02-18
Fulton, Christopher W.
Geometrical instruments
Straightedge type
Plural straightedges, relatively moveable
33464, 83421, 8352218, 8352225, 269236, 269249, B43L 710
Patent
active
056031645
ABSTRACT:
An angle guide device is disclosed which includes a slotted base member pivoted at one end to one end of an angle guide member, an adjustment member pivoted at one end to the angle guide and carrying a slider element at the other end. The slider element is slidable in the slot but may be locked in any adjusted position. Numeric indicia indicate the angle between the base member and angle guide members in each position of the slides along the track. The base member is clamped to a workpiece by dual action clamps separately clamping to the workpiece and to the base member. Extension pieces may be attached to increase the length of the guide member.
REFERENCES:
patent: 830322 (1906-09-01), Hodge
patent: 1640604 (1927-08-01), Hauber
patent: 1906988 (1933-05-01), McFarland
patent: 2642905 (1953-06-01), Hewat
patent: 2724184 (1955-11-01), Spear, Jr.
patent: 4706963 (1987-11-01), Geuss
patent: 5414938 (1995-05-01), Meek
Benefiel John R.
Fulton Christopher W.
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