Arch door marking gauge

Details Arch door marking gauge Arch door marking gauge

1986-07-02

1987-08-11

Martin, Jr., William D.

Geometrical instruments

Area integrators

Electrical

33194, G01B 314

Patent

active

046852166

ABSTRACT:
A cabinet maker's arch door or crown door marking gauge has side members attachable to a work table of a table saw or shaper. A spring band is held on the side members so that opposite sides of the band are perpendicular to the sides of a panel to be marked which is positioned between the side members. The band forms a symmetrical arch between the sde members which is marked on the panel. One side of the band is adjustably held by one side member so the length of the band between the side members, and thus the height of the arch between the side members can be varied. The side member are adjustably held on the support so the distance between the side members can be changed to permit marking panels of different widths.

REFERENCES:
patent: 395875 (1889-01-01), Butler
patent: 923875 (1909-06-01), McDonald
patent: 1007992 (1911-11-01), Van Gilder
patent: 1234527 (1917-07-01), Berriman
patent: 1579702 (1926-04-01), Gottschalk
patent: 1664076 (1928-03-01), Humphrey

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