Invention Grant
US08973233B2 Propellant actuated hinge remover 有权
推进剂驱动铰链拆卸器

Propellant actuated hinge remover
Abstract:
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.
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