ATTACHMENT AND RETENTION ELEMENT Russian patent published in 2019 - IPC G06F1/16 H01H13/86 H04M1/02 

FIELD: calculating; counting.

SUBSTANCE: invention relates to an element of mechanical attachment and retention. Device may contain a covering part adapted for covering at least a part of a display device of a computer device having a mobile form factor which is adapted so that the user can hold it with one or two hands. Device comprises a first median spine, which is rotationally connected to the covering portion, a second median spine, which is rotatably connected to the first median spine, and connecting part, which is rotationally connected to second median rootlet. Connecting part is adapted to form detachable physical connection with computer device using protruding part, which is arranged to be located inside channel formed in computer device housing, and protrusion located on protruding part, projection is arranged to fit in recess formed as part of channel.

EFFECT: technical result consists in providing reliability and ease of mechanical connection and disconnection.

20 cl, 12 dwg