发明名称 Multi-functional doorstop tool
摘要 A tool includes a double wedge, a tongue, and a wedge. The double wedge has a top surface, a bottom surface, a front, a rear, a right side, and a left side. The tongue extends from the front of the double wedge and the wedge extends from the rear of the double wedge. Either the tongue or the wedge can be inserted between a door and another surface to hold the door open.
申请公布号 US8960739(B2) 申请公布日期 2015.02.24
申请号 US201113090408 申请日期 2011.04.20
申请人 发明人 Duff Robert O.;Duff Rosetta
分类号 E05C17/54;E05C17/00 主分类号 E05C17/54
代理机构 Kinney & Lange, P.A. 代理人 Kinney & Lange, P.A.
主权项 1. A tool comprising: a double wedge having a top surface, a bottom surface, a front, a rear, a right side, and a left side; a tongue extending forward from the front of the double wedge, the tongue having a top surface, a bottom surface, a rear attached to the front of the double wedge, and a front spaced from and forward of the front of the double wedge; a wedge extending rearward from the rear of the double wedge, the wedge having a top surface, a bottom surface, a front attached to the rear of the double wedge and a rear that is spaced from and rearward of the rear of the double wedge; wherein the right side and left side of the double wedge converge as they extend from the rear to the front of the double wedge; wherein the bottom surfaces of the double wedge, the tongue and the wedge are flat, continuous, and coplanar; wherein the top surfaces of the double wedge and the tongue are continuous, coplanar, and inclined upward at a first angle such that the inclination of the top surfaces of the double wedge and the tongue extend upwards from the front of the tongue towards the rear of the double wedge; wherein the top surface of the wedge is inclined upward at a second angle such that the inclination of the top surface of the wedge extends upwardly from the rear of the wedge towards the front of the wedge, wherein the second angle is different than the first angle; and wherein the double wedge has a width (Wdw) at the rear of the double wedge that is greater than a width (Ww) of the wedge and greater than a width (Wtg) of the tongue; wherein the double wedge has a height Hdw at the rear of the double wedge that is greater than a height (Hw) of the wedge adjacent the rear of the double wedge; and wherein the wedge has a length (Lw) that is greater than a length (Ldw) of the double wedge and greater than a length (Ltg) of the tongue; and wherein either the tongue or the wedge can be inserted between a door and another surface to hold the door open.
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