| 摘要 |
FIELD: electronic equipment.SUBSTANCE: invention relates to electrical engineering, in particular to removable mechanical interlock, and is used as device for preventing of unauthorised access to start-button of electric devices. In interlock start button of electric machine containing cover and lock according to first embodiment of invention, lid and lock are made separate, lock is part consisting of open in plane head with central opening for receiving release button of electric apparatus and extensions adjacent to edge portions of head made in one piece with it at acute angle to each other, in lower part of lid is through hole designed for extensions lock entry therein, upper part of cover provided with a projection covering end of trigger button. In extension body cylindrical half-openings can be made intended to contain additional switch off button.EFFECT: technical result for invention embodiments are: improving of device operating properties; simplification of its structure; decreasing of its manufacturing complexity; reducing cost of device manufacturing.12 cl, 13 dwg |
