Tape rule and end hook therefor
First Claim
1. A rule assembly comprising:
- a housing;
a reel rotatably mounted in the housing;
an elongated blade arranged to be wound on the reel and to be extendable through an opening in the housing, the elongated blade having an end hook member on a free end thereof;
the end hook member including a mounting portion and a generally U-shaped hook portion extending from an end of the mounting portion,the mounting portion having a length dimension, and the hook portion having a width dimension;
wherein 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.
1 Assignment
0 Petitions
Accused Products
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.
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Citations
25 Claims
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1. A rule assembly comprising:
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a housing; a reel rotatably mounted in the housing; an elongated blade arranged to be wound on the reel and to be extendable through an opening in the housing, the elongated blade having an end hook member on a free end thereof; the end hook member including a mounting portion and a generally U-shaped hook portion extending from an end of the mounting portion, the mounting portion having a length dimension, and the hook portion having a width dimension; wherein 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. - View Dependent Claims (2, 3)
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4. A rule assembly comprising:
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a housing; a reel rotatably mounted in the housing; an elongated blade arranged to be wound on the reel and to be extendable through an opening in the housing, the elongated blade having an end hook member on a free end thereof; the end hook member including a mounting portion and a generally U-shaped hook portion extending from an end of the mounting portion, the mounting portion having a top surface area, and the hook portion having a front surface area; wherein 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. - View Dependent Claims (5, 6, 7)
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8. A rule assembly comprising:
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a housing; a reel rotatably mounted in the housing; an elongated blade arranged to be wound on the reel and to be extendable through an opening in the housing, the elongated blade having an end hook member on a free end thereof; the end hook member including a mounting portion and a hook portion extending from an end of the mounting portion, wherein at least two-thirds of the mass of the hook portion lies outside a center section that comprises one third of the hook portion'"'"'s width. - View Dependent Claims (9, 10, 11, 12)
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13. A rule assembly comprising:
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a housing; a reel mounted in the housing for rotation about an axis; an elongated blade arranged to be wound on the reel and to be extendable through an opening in the housing, the elongated blade having an end hook member on a free end thereof; the end hook member including a mounting portion and a hook portion extending from an end of the mounting portion, wherein the housing has a width dimension along the axis that is larger than a width dimension of the housing near the opening in the housing from where the elongated blade extends, and wherein a width dimension of the hook portion of the end hook is greater than the width dimension of the housing near the opening in the housing from where the elongated blade extends. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A rule assembly comprising:
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a housing; a reel rotatably mounted in the housing; an elongated blade arranged to be wound on the reel and to be extendable through an opening in the housing, the elongated blade having an end hook member on a free end thereof; the end hook member including a mounting portion and a hook portion extending from an end of the mounting portion, wherein at least half of the mass of the hook portion lies above the mounting portion of the end hook member. - View Dependent Claims (22, 23, 24, 25)
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Specification