Holec Holland N.v.

Soedjiemat Fransesco Darmohoetomo

Albert Jozef Peter Postmus

A switch includes two interacting contacts ( ) and a closing spring ( ) for moving the contacts into the closed position, an operating button which can be used to initiate a prestressing phase of the closing spring ( ), and a locking device ( ) for locking the contacts ( ) until a predetermined moment at which the influence of the prestressed closing spring ( ) is to be released onto the contacts. The locking device ( ) is designated to lock the interacting contacts ( ), during the prestressing phase, at a contact distance. The contact distance to be locked being less than the contact distance in the open position of the contacts ( ).

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Halle, Netherlands

Soedjiemat Fransesco Darmohoetomo