TELESCOPIC MAST Russian patent published in 2020 - IPC B66F1/02 E04H12/18 H01Q1/10 B66F3/00 

FIELD: antenna.

SUBSTANCE: invention relates to antenna engineering and can be used in telescopic masts attached to chassis or car body, or installed independently, and intended for lifting of payload, for example, antenna devices, video surveillance equipment, lighting, etc., at a given height. Telescopic mast comprises fixed section (1), movable sections 2, 3 inserted one into another and inside fixed section 1, lock for fixation of sections, parts of which are arranged in upper part of fixed section (1), each movable section (2, 3) and lower part of each movable section (2, 3). Each lock for fixation of sections consists of upper plates made with slots in the form of hook, lower plates, axis (9), spring-loaded pawls (10). Lower part of lower plates is made in form of hook (11). Upper plates are attached, for example, by means of fasteners parallel to each other to upper part of fixed section 1 and each movable section (2, 3). Lower plates have holes in which axis (9) is arranged and are attached parallel to each other to lower part of each movable section (2, 3). Spring-loaded pawls (10) are attached to the lower plates. In upper section carriage (13) is attached, lower part of which is also made in form of hook (11).

EFFECT: technical result is improved reliability of sections in assembled and in extended position of mast, including when using mast in unfavorable external conditions.

1 cl, 5 dwg