Tape measure with post reinforcing collar

G - Physics – 01 – B

Patent

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Details

G01B 3/10 (2006.01)

Patent

CA 2609535

A tape measure includes a post with at least first and second arms spaced from one another to form a longitudinal slot having an end aperture for coupling with a tape blade retraction spring. The post distal end anchors to a housing sidewall via a fastener, and a fastener engagement region of the post extends from the aperture to the fastener's terminus. A distinct reinforcing collar is disposed about the post's distal portion and acts to limit movement of the arms away from one another. The collar may overly the post for at least half of the fastener engagement region and/or may abut a shoulder on the post. The fastener may have a first pullout resistance level without the collar present and a second higher pullout resistance level, advantageously double or more, with the collar present. Also, methods of assembly are described.

L'invention porte sur un mètre ruban dont l'axe fendu comporte deux bras espacés l'un de l'autre et formant une fente longitudinale présentant une ouverture d'extrémité où s'engage le ressort de rappel de la lame du ruban. L'extrémité distale de l'axe se fixe à une paroi du boîtier par une fixation où s'engage l'axe depuis l'ouverture de la fixation jusqu'à son extrémité. Un collier de renfort distinct entourant l'extrémité distale de l'axe empêche ses bras de s'écarter l'un de l'autre. Le collier peut entourer l'axe sur au moins la moitié de la zone d'engagement de la fixation et/ou buter sur un épaulement de l'axe. La fixation peut présenter un premier niveau de résistance à l'écartement sans le collier, et un niveau de résistance plus élevé normalement du double ou plus avec le collier en place. L'invention porte également sur le procédé de montage associé.

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