Coilable tape rule

Details Coilable tape rule Coilable tape rule

G - Physics

01

B

33/153

G01B 3/10 (2006.01)

Patent

CA 1062001

ABSTRACT OF THE DISCLOSURE A coilable tape rule having a slotted casing and a removable tape blade adapted to be coiled therein. A resiliently mounted, longitudinally slidable arcuate shoe is mounted within the casing to guide the inner end of the measuring tape for coiling on itself to form a plurality of stacked convolutions of generally elliptical shape having its major axis in a direction which is generally perpendi- cular to the extending portion of the tape blade when the coiling begins. As successive convolutions are formed, the shape of the stacked convolutions will gradually change to a circle and finally change back to an elliptical shape with its major axis parallel to the previously extended tape.

271872

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