Patent AT-E39991-T1: [Translated] SAFETY LOCKING DEVICE ON GUARDS TO PREVENT INTERVENTION IN HAZARDOUS SPACES.

1. Device for safety interlocking in protection equipment for preventing reaching into spaces which are dangerous, particularly in the came of machines with dangerous movements or with current-carrying equipment in housings, whereby a toggle lever (14, 15) is provided with a pivoted locking lever (8), which is provided with two dead centre positions and which interacts with an actuating part (9) being mounted stationary on the protection device (5) and being provided with a locking cam, in such a way that in the one dead centre position of the toggle lever (14, 15) the locking lever (8) and the actuating part (9) interlock with each other and the dangerous operating condition may be switched on, and that in the other dead centre position the dangerous operating condition is switched off and the actuating part (9) with the protection device (5) is released, characterised in that a pull lever (19) is linked to the centre joint (14a) of the toggle lever (14, 15), said pull lever being connected to the anchor (18a) of a holding magnet (18) by means of a joint (18b).

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  "009:25"
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  "009:066"
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  "NIH"
]