Geometrical instruments – Indicator of direction of force traversing natural media – Structurally installed including relation to feature thereof
Patent
1975-03-24
1976-08-31
Aegerter, Richard E.
Geometrical instruments
Indicator of direction of force traversing natural media
Structurally installed including relation to feature thereof
33180R, 33393, 227156, B25C 700, B25B 2900
Patent
active
039770885
ABSTRACT:
A device adapted for use in the building construction industry for shooting a stud or other fastener into a ceiling in predetermined relation to a known point on a floor below. The device comprises an adjustable telescopic pole with a hanger arm extending laterally from its top. A plumb line, having a plumb bob attached to its lower end, hangs from the outer end of the hanger arm for alignment of the stud gun with the point on the floor and the muzzle of the stud gun may be mounted in direct or offset alignment with the plumb line to facilitate rapid and accurate positioning of the stud gun. Means are provided for vertically aligning the telescopic pole such that the muzzle of the stud gun is in vertical alignment with the plumb line.
REFERENCES:
patent: 1080448 (1913-12-01), Honey
patent: 2245646 (1941-06-01), Bullivant
patent: 2545321 (1951-03-01), Tumminello
patent: 3162957 (1964-12-01), O'Connell et al.
patent: 3310215 (1967-03-01), Bostick
patent: 3715808 (1973-02-01), Petrik
patent: 3805472 (1974-04-01), Helderman
Aegerter Richard E.
Stearns Richard R.
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