Patent ID: 9731545
Date: 2017-08-15
CPC Classifications: B43L

Claim:
1. A pivoting construction square and multipurpose measuring tool, comprising: a first arm member including a first end and a second end; a second arm member including a first end and a second end; a pivot joint pivotably connecting the first end of the first arm member to the first end of the second arm member, such that the first end of the second arm member is concentrically positioned above the first end of the first arm member; a cross member having a first end and a second end, said first end being pivotably connected to said second arm member at a cross member pivot joint, and said second end being slidably disposed in an elongated channel extending along the linear length of said first arm member; a washer disposed between the second end of the cross member and the first arm member, the washer configured to facilitate free sliding of the second end of the cross member along the elongated channel; a tightening knob and a fastener disposed on the second end of the cross member, the fastener extending through the washer and the elongated channel, the fastener coupling the tightening knob to the second end of the cross member and the washer to the first arm member; said tightening knob adapted to lock said cross member second end in a static state within said channel when tightened, and allow free sliding therein when loosened; linear ruler indicia disposed on the first arm member; angular measurement indicia disposed on the first arm member; radius measurement indicia disposed on the first arm member; a bubble level disposed on each of said first arm member and said second arm member, each bubble level being in parallel orientation relative to the arm member on which it is disposed; a writing utensil aperture disposed on the second ends of said first arm member and said second arm member; roof pitch quick reference indicia comprising an angle-to-pitch conversion table disposed on said second arm member; and a notch positioned on the washer, the notch superimposed above the linear ruler indicia, such that the notch is configured to display the linear ruler indicia corresponding to the positioning of the second end of the cross member along the first arm member.