Task: Translation
Input (Czech): Zaji  ovac  prost°edek (1) pro ji t n  proti ot  en  pro elektrickou p° pojnou svorku (2) obsahuje z kladnovou   st (3), jednak opat°enou otvorem (7) pro pr chod  roubu (8), a jednak obsahuj c  na sv m obvod  zuby (4), vystupuj c  z jedn  z jej ch ploch²ch stran (10), p°i em  zuby  (4) mezi sebou vymezuj  tolik v²°ez  (5), kolik je odpov daj c ch ·hlov²ch poloh pro svorku (2). Ploch  strana (20) z kladnov    sti (3), opa n  v  i ploch  stran  (10) nesouc  zuby (4), je opat°ena jednak dut²m d° kov²m  lenem (6), uvnit° hladk²m a opat°iteln²m vnit°n m z vitem pomoc   roubu  (8) a le  c m proti uveden mu otvoru (7), a jednak nejm n  dv ma v²stupky (11) nebo analogick²mi ·tvary, umo  uj c mi p°iva°en  z kladnov    sti (3) na jin m prvku (12), opat°en m otvorem (13), do n ho  je zasunut d° kov²  len (6).\
Output (English): The locking means (1) for the counter connection for the electrical connection terminal (2) comprises a positive-side (3) and an opening (7) for the movement of the screw (8). c on its circumference teeth (4), exiting one of its flat sides (10), defining teeth (4) as much as possible (5) between each other, what are the corresponding positions for terminal (2). The surface (20) of the shafts (3), the surfaces of the sides (10) bearing the teeth (4), is provided with a hollow flange (6), an inner surface with an inside diameter. by means of a screw (8) and le cm against said opening (7), and on the other hand with at least two projections (11) or analogous shapes, which allow the connection to be made from the elements (3) to another element (12), provided with a hole (13), only one (6) is inserted into it. \ T