Marking gauge for use in mounting hinges

Details Marking gauge for use in mounting hinges Marking gauge for use in mounting hinges

1986-06-24

1987-08-18

Haroian, Harry N.

Geometrical instruments

Gauge

Mortise

33562, 33613, 33574, B27G 1708

Patent

active

046867694

ABSTRACT:
A marking gauge the allows exact drilling of the fastening holes for a mounting plate of a hinge and for a hinge casing. The marking gauge has an open slot at its rear and a screw in its center. The marking gauge is thus engageable on the mounting plate, and a bore for the hinge casing can be marked at a recess. When reversed, the marking gauge is insertable into a bore for the hinge casing so that the bores for the mounting plate can be marked.

REFERENCES:
patent: 2634507 (1953-04-01), Boatwright
patent: 3406460 (1968-10-01), Colwell
patent: 4033044 (1977-07-01), Michaels

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