Triangular ruler
OwnerLongjin Jininventor
Life of this patent
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Abstract
A triangular ruler includes a triangular ruler body; a right-angle edge of the triangle ruler body is provided with an extended ruler, and the outer side of the extended ruler is provided with the angle scale line, the interior of the triangle ruler body and the extended ruler are both provided with matching rotating holes, and the adjustment part is provided at the connection between the triangle ruler body and the extended ruler. When measuring long distances, by rotating the extended ruler until coincides with the right-angle edge of triangle ruler body, the extended ruler and the triangle ruler body are combined for long-distance measurement.
Claims6
A triangular ruler comprising a triangular ruler body (1), wherein an extended ruler (2) is provided on the right-angle edge of the triangle ruler body (1), and the outer side of the extended ruler (2) is provided with the angle scale line, the interior of the triangle ruler body (1) and the extended ruler (2) are both provided with matching rotating holes (3), and an adjustment part is provided at the connection between the triangle ruler body (1) and the extended ruler (2), which is used for limiting the connection angle between the triangle ruler body (1) and the extended ruler (2);
- wherein the adjustment part includes a circular groove (8) opened on one side of an extended ruler (2), a limiting hole (5) corresponding to the circular groove (8) is opened inside the triangular ruler body (1), a hollow sleeve (6) is provided inside the limiting hole (5) on the triangular ruler body (1), and a clamping column (7) penetrates through the interior of the hollow sleeve (6), one end of the clamping column (7) is in contact with the circular groove (8) on the extended ruler (2).
Dependencies are inferred from the claim text.