Geometrical instruments – Gauge – With point marker
Patent
1994-05-27
1995-11-14
Fulton, Christopher W.
Geometrical instruments
Gauge
With point marker
33677, 33670, B25H 704
Patent
active
054655005
ABSTRACT:
A magnetic point identifier to be used in the construction of structures wherein a hole is to be formed at a specific point in a surface of the structure, the identifier including a small magnetic element to be disposed to correspond the specific point, and including an indicator frame with a metallic, magnetically attractive pointer suspended therein. The indicator frame includes a base portion, an upstanding support member extending upwardly from the base portion, and a horizontal suspension arm which extends outwardly from the upstanding support member so as to overly the base portion which has a tapered free distal end to enable positioning of the indicator frame within a corner. Suspended from a second end of the horizontal suspension arm is the pointer which is disposed such that a pointed indicator end freely hangs beneath the horizontal suspension arm to point out the location of the magnetic element positioned to correspond the hole, the pointer further being disposed so as to be downwardly urged into the surface of the structure and form an indicating indentation in the surface of the structure wherein a drill or other hole making mechanism can be started for accurate making of the hole.
REFERENCES:
patent: 2526528 (1950-10-01), Zickler et al.
patent: 2734272 (1956-02-01), Brown
patent: 2844977 (1958-07-01), Morse
patent: 4597185 (1986-07-01), Ury
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