Importance

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Abstract

A plummet level for checking the horizontal state of a surface and locating two vertically spaced points generally required by wood working in most interior decorative works. The plummet level includes a rectangular main body divided into front and rear compartments for balance beam and weight-loaded swing link, respectively, to mount therein on a central pivot shaft. Two long clear windows are separately provided on walls of the main body facing the balance beam and the swing link. A plurality of spaced and parallel check lines horizontally extend a full length of the windows. A user may visually overlap one of the check lines on the windows and a reference level/vertical line on the balance beam/swing link to check a working surface for its horizontal or vertical state. Two extensible links are connected to two ends of the main body with four right-angled corners defined by an end plate of each extensible link always in alignment with four side walls of the main body, so that the plummet level may be easily extended to conveniently locate and mark a horizontally or vertically corresponding point at a distance longer than the main body of the plummet level.

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First Claim