US 6,499,223 B2
Corner ruler
Mitsukazu Momosaki,
Fukuoka (Japan)
Assigned to Alpha Professional Tools,
Wyckoff, N.J. (US)
Filed on 23-Jan-2001, as Appl. No. Alpha Professional Tools,
Wyckoff, N.J. (US)
Int. Cl.7G01B 3/14
US 6,499,223 B2
Corner ruler
Mitsukazu Momosaki,
Fukuoka (Japan)
Assigned to Alpha Professional Tools,
Wyckoff, N.J. (US)
Filed on Jan. 23, 2001, as Appl. No. 9/768,017.
Prior Publication US 2002/0095809 A1, Jul. 25, 2002
Int. Cl.7G01B 3/14
U.S. Cl. 338212;562
9 Claims
1. A corner ruler comprising a ruler main body, including a center plate, a pair of interlayer plates secured on opposite
surfaces of said center plate, a pair of ruler sections formed at opposite corner sections of said ruler main body, a pair
of position determining plates extending from said center plate along opposite sides of said ruler main body which the ruler
section lies between, the position determining plates having edges projecting beyond said ruler main body, and position determination
being determined by the position determining plates abutting the edges of the two sides which the corner of an object to be
cut lies between.