Patent ID: 7219396

Claim:
A belt tightening device with a display comprising: a body having a seat; one end of the seat being installed with one fixing hook; a pull rod pivotally installed to the seat; a wheel rotatably installed to the pull rod; a belt winding around the wheel; wherein when the pull rod is pulled so that wheel rotates with the pull rod; the belt will be wound to tighten an object fixed by the fixing hook; a strain gauge installed at a connection between the fixing hook and the seat; an integrating unit installed at the seat and connected to the strain gauge; wherein when the fixing hook is tightened, the strain gauge will deform due to the tension of the belt so that the resistance also changes; the integrating unit connected to the strain gauge will determine the tension of the fixing hook through the resistance; and a display installed in the integrating unit for displaying the tension determined by the integrating unit; and wherein the integrating unit includes a display and a push button; and wherein the integrating unit further includes at least one battery as a power supply.