Tape rule having reoriented measuring blade

Details Tape rule having reoriented measuring blade Tape rule having reoriented measuring blade

2007-08-07

2007-08-07

Guadalupe-McCall, Yaritza (Department: 2859)

Geometrical instruments

Distance measuring

By flexible tape

C033S755000

Reexamination Certificate

active

11522040

ABSTRACT:
A coilable tape rule includes a pair of rollers that are convexly rounded in both axial and transaxial planes, about which rollers the measuring blade moves during passage through the casing and which cause the blade to turn on its longitudinal axis so as to reorient its width dimension to a perpendicular relationship to the axis of coiling. The blade is of concavo-convex cross section and cooperates with the rollers for tracking control and to enhance the smoothness and reliability of extension and retraction.

REFERENCES:
patent: 1402589 (1922-01-01), Farrand
patent: 1983503 (1934-12-01), Volz
patent: 4155168 (1979-05-01), DuBois
patent: 4200983 (1980-05-01), West et al.
patent: 2002131003 (2002-05-01), None

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