Tape measure

A technology of tape measure and ruler box, applied in the direction of bendable ruler, etc., can solve the problems of tape twisting, tape measure accuracy, service life and convenience, etc., and achieve the effect of high precision level and easy manufacture
CN101093157AInactive Publication Date: 2007-12-26胡维朗
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
胡维朗
Publication Date
2007-12-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

A flexible tape is prepared for setting a contact roller and counting unit of contact roller as well as counting display unit in tape box, fitting tap belt closely on contact roller, making surface of contact roller move in the same linear speed when tape belt is moved, using contact roller counting-unit to record movement of contact roller and presenting recorded movement to user by counting display unit.
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Description

technical field

[0001] The invention belongs to measuring tools, in particular to measuring tapes. Background technique

[0002] A tape measure is a measuring tool widely used in various occasions, mainly used to measure various length parameters. As far as tape measures are concerned, the two most important indicators should be measurement accuracy and ease of use.

[0003] The tape measure in the prior art usually includes a ruler box and a ruler tape. The ruler tape is marked with a scale, which is coiled into a roll and placed in the ruler case. When in use, the ruler tape is pulled out and the length is measured with the scale on the ruler tape. Generally, the material of the ruler tape is iron or organic material. The stability of the iron ruler tape is better. Although it is used for a long time and in various environments, it will not produce large deformation, but its disadvantage is its quality. Larger, when the tape needs to be made very long, such as more than ...

Claims

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