Measuring apparatus

Details Measuring apparatus Measuring apparatus

1974-12-18

1976-08-24

Phillips, Charles E.

Geometrical instruments

Scriber

Curved line

33138, B43L 700

Patent

active

039758273

ABSTRACT:
Apparatus for use with graphic material supported on a planar surface. Two identical clamps, upon which a reeling means is mounted, are connected by a tape and mounted on the edge of the planar surface. The clamps are U-shaped and have a longitudinal slit in one leg. On the other leg a spool means supported by a housing is attached by a bracket. Each end of the tape is threaded through the slit, around the clamp and connected to the spool means.

REFERENCES:
patent: 1106152 (1914-08-01), McIntosh et al.
patent: 1351534 (1920-08-01), Perdue et al.
patent: 1849295 (1932-03-01), Hall
patent: 2237737 (1941-04-01), Houston
patent: 2380073 (1945-07-01), Robinson
patent: 2696965 (1954-12-01), Maxwell
patent: 3144717 (1964-08-01), Gumaelius
patent: 3662969 (1972-05-01), King
patent: 3665612 (1972-05-01), Albright
patent: 3716201 (1973-02-01), West

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