Patent · US Active

Tape rule and end hook therefor

US8117763B2 · kind B2 · utility

38Cited by

37References

25Claims

0Family size

Assignee

Stanley Black & Decker, Inc. · US

Inventors

John Delneo · Middletown, US
Vincent Cook · Milford, US
John C. Murray · Louisville, US

Key dates

Filing date	Oct 5, 2010
Grant date	Feb 21, 2012
Priority date	—
Expiry date	Oct 5, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG01B2003/1038
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A rule assembly includes a housing, a reel rotatably mounted in the housing, and an elongated blade having an end hook member on a free end thereof. The end hook member includes a mounting portion having a length dimension and a top surface area and a hook portion having a width dimension and a front surface area, where a ratio of the width dimension of the hook portion to the length dimension of the mounting portion is greater than or equal to 1, a ratio of the front surface area of the hook portion to the top surface area of the mounting portion is greater than or equal to 1.1, and at least two-thirds of the mass of the hook portion lies outside a center section that includes one third of the hook portion's width.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.