Tape measure

Geometrical instruments – Distance measuring – By flexible tape

Patent

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Details

G01B 310

Patent

active

054025834

ABSTRACT:
A tape measure having an end hook capable of easily holding an object to be measured is proposed. A measuring strip is a self-sustaining metal strip formed with a convex section which has scale marks put thereon and painted. The end hook is a metal plate bent at a right angle and secured with rivets to the end of the measuring strip. A friction plate is a metal plate having an unevenly etched surface which is attached to the inside surface of the end hook by the use of an adhesive, double-coated tape. The uneven surface of the end hook is effective for holding the object to be measured.

REFERENCES:
patent: 1303756 (1919-05-01), Ballon
patent: 1542990 (1925-06-01), Tonasso
patent: 1798476 (1931-03-01), Langsner
patent: 2619438 (1952-11-01), Varian et al.
patent: 2686366 (1954-08-01), Berkovic
patent: 4587199 (1986-05-01), Bennett
patent: 4930227 (1990-06-01), Ketchpel
patent: 5246530 (1993-09-01), Bugle et al.

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