DEVICE FOR FIXATION OF DETACHABLE PARTS OF PRODUCT FROM BODY DURING OPERATION Russian patent published in 2019 - IPC F16B1/00 F16B2/06 B64G1/64 

FIELD: machine building.

SUBSTANCE: device for fixation of detachable parts of the product from the body includes an annular stop rigidly connected to the cylindrical housing of the device, located on the inner surface of said housing opposite to its annular flange, and an additional pressure source, the cylindrical rod of the device is made in the form of a stepped cylinder, in which a cylindrical surface of a larger diameter is in contact with the inner surface of the cylindrical housing of the device, and cylindrical surface of smaller diameter is in contact with inner surface of said annular stop, wherein said annular stop and end surface of step rod form annular chamber connected by gas ducts made in cylindrical rod of device, with an axial threaded socket for an additional pyrotechnical pressure source made in said rod on the side opposite to its shaped socket, and the cylindrical rod of the device is rigidly connected to the device housing, wherein available and additional pyrotechnical pressure sources are functionally connected to independent current sources synchronized in time of command issuing to said pyrotechnical pressure sources.

EFFECT: invention can be used in designing, for example, spacecraft equipped with detachable elements, and is aimed at improvement of operational characteristics of device due to higher reliability of device operation.

1 cl, 3 dwg