| 摘要 |
A hinge remover has a thick cylindrical base with a central opening and a flange, a hollow cylindrical wall upon a yoke, and two spaced apart shoulders upon the yoke. The shoulders receive a door pin. The wall receives a head upon a spring and has two diametrically opposed recesses for ball bearings. The central opening admits the head extending opposite the yoke. The central opening narrows and forms a chamber for a propellant. The base has a radial aperture that opens for an igniter that contacts the propellant. During assembly, the head compresses upon the spring against the yoke revealing the recesses to receive the ball bearings as the head eases inwardly. Upon combustion of the propellant, the head retreats towards the yoke, the ball bearings fall, and the yoke separates from the base. |
| 主权项 |
1. A device that rapidly separates a hinge of a door from a frame, the hinge pivoting upon a pin, said device comprising:
a yoke adapted to connect to the door; a base adapted to connect to the frame, said base receiving said yoke; a propellant placed within said base inwardly of said yoke; and, an igniter in contact with said propellant; wherein said igniter causes combustion of said propellant producing expansive forces upon said yoke rapidly ejecting said yoke from said base thus separating the hinge; said yoke having an elongated shape, a thickness, a length, and two spaced apart shoulders, and a cylindrical wall opposite said shoulders; said shoulders having a greater thickness than said yoke and collinear holes there through adapted to admit the pin of a door, said holes being generally parallel to the length of said yoke; and, said cylindrical wall being hollow, round with a diameter, having a length generally perpendicular to said yoke, and receiving means to connect said yoke to said base. |
