LOCKING-SEALING DEVICE Russian patent published in 2009 - IPC F16G11/10 G09F3/03 E05B39/02 

FIELD: mechanics.

SUBSTANCE: proposed device comprises cable section (1) and casing (2) with locking assembly consisting of, at least, locking screw (4) furnished with detachable handle (6) and fitted in threaded hole (5) that communicates with the space of additional channel (8), coaxial with the said threaded hole. The said channel space houses locking ring handle with support section located nearby the additional channel inlet hole. The said support section diameter is smaller that that of the additional channel only by the size of pilot gap. The device casing has auxiliary chamber (12) communicating with the additional channel and accommodating safety element (13) acting on the handle side surface, and, with the handle detached from the locking screw, moving only along the additional channel lengthwise axis. Note here that the said safety element shuts off the channel flow section to rule out unauthorised access into its space.

EFFECT: ruling out abnormal detachment of handle from locking screw, as well as acting on its end face by drill or any other tool.

3 cl, 2 dwg