Geometrical instruments – Distance measuring – By flexible tape
Patent
1993-09-07
1995-06-20
Wirthlin, Alvin
Geometrical instruments
Distance measuring
By flexible tape
33759, G01B 310
Patent
active
054251818
ABSTRACT:
This invention pertains to a tape measure deployment aid for measuring roof surfaces. The deployment device described by this invention consists of a roller that rotates freely on an axle which is connected to a yoke and then attached with linkage fasteners to a tape measure. This invention also includes two methods of using the tape measure deployment aid.
REFERENCES:
patent: 475470 (1892-05-01), Roe
patent: 3204339 (1965-09-01), Jorde
patent: 3276490 (1966-10-01), Johansson
patent: 3824695 (1974-07-01), McClay, Jr.
patent: 4970802 (1990-11-01), Nosek
patent: 5038493 (1991-08-01), Stabs
patent: 5056234 (1991-10-01), Han
patent: 5167165 (1992-12-01), Brucher et al.
patent: 5231769 (1993-08-01), Mahan
Lietz Catalog 109, 1993 pp. 119, 123.
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