Patent ID: 7730575

Claim:
A structure for a hand trowel handle comprising: a grasping section with a surface made of soft and slip-proof material and matches the shape of a human hand and having an adjustable rotational angle; a front end with a toothed ring and a rear end that has an accommodating hole; a through-hole that runs through the grasping section, toothed ring, and the accommodating hole; a spring that is set and worn on the shaft in the accommodating hole; an adjustment knob inserted into the accommodating hole after the spring; a connecting section having a base to connect with a tongue and a blade forming one integrated body; a supporting end of the connecting section having a toothed ring and a shaft with a screw section at the end protruding from the center of the toothed ring, wherein the adjustment knob connects to the screw section, and wherein the adjustment knob can be tightened to change the angle between the grasping sections and the blade.