Geometrical instruments – Gauge – With point marker
Patent
1997-06-05
2000-02-29
Fulton, Christopher W.
Geometrical instruments
Gauge
With point marker
33485, 33483, 33613, B25H 704, B43L 700
Patent
active
060293624
ABSTRACT:
An article for aligning and establishing fastening points for attachment means, such as nails, pegs and hooks, for the arrangement and hanging of pictures and picture frames, as well as for marking fastening points at either selected horizontal or vertical distances from one another for wall plates and built-in units in building construction, is disclosed. The alignment article includes at least one bubble level mounted in a frame, with a cursor having a first borehole guided along the frame. The first borehole is guided along the frame, with such first borehole lying over a slit designed in the frame and running parallel to the longitudinal edges thereto, and with at least one, further, or second, borehole situated at one of the ends of the frame. The cursor is constructed for grabbing the frame in a C-shape. A plurality of steps is further provided for an exact guiding on the outerlying longitudinal edges of the frame, which cooperate with correspondingly designed surfaces on an internal contour of the cursor.
REFERENCES:
patent: 776897 (1904-12-01), Ferris
patent: 2594193 (1952-04-01), Mendes
patent: 4241510 (1980-12-01), Radecki
patent: 4443949 (1984-04-01), Newton
patent: 4648185 (1987-03-01), Brandimarte
patent: 5103573 (1992-04-01), Ehling et al.
patent: 5402585 (1995-04-01), Lund
patent: 5451027 (1995-09-01), McHenry
patent: 5509213 (1996-04-01), Kelly et al.
Doan Quyen
Fulton Christopher W.
Schindler Edwin D.
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