DUST AND WATERPROOF SWITCH

摘要

A dustproof and waterproof switch, in particular for a seat belt buckle of restraint systems of motor vehicles for indicating that the latch plate has been inserted into the seat belt buckle and properly locked, includes two contact plates, composed of a fixed contact plate and a contact spring plate, wherein the contacting regions of the contact plates are disposed in a housing-interior of the switch housing which is protected from foreign matter, and the switch can be activated by moving a slide in a channel disposed lateral to the housing-interior, whereby the spring contact plate is deflected by way of an actuating bracket which is pivotably mounted in the switch housing at one end and penetrates the side of the housing-interior facing the channel at the other end by means of an angled section.

主权项

1. A dustproof and waterproof switch for a seat belt buckle of restraint systems of motor vehicles, for indicating that a latch plate has been inserted into the seat belt buckle and properly locked, the dustproof and waterproof switch comprising
two contact plates having contracting regions disposed in a housing-interior of a housing of the switch, the housing-interior being closed off from foreign matter, and a slide movable in a channel disposed lateral to the housing-interior, the contact plates comprise a fixed contact plate and a contact spring plate, an actuating bracket extends into the channel and is pivotably mounted at a section thereof at one end of the actuating bracket, the actuating bracket has, at an end thereof opposite said one end, an angled section which angles toward the housing-interior and penetrates a wall of the housing-interior which faces the channel, and the contact spring plate is engageable by the slide and is urged by the slide into contact with fixed contact spring as the slide is moved along the channel in a direction from the pivotably mounted end section of the actuating bracket toward the angled section end of the actuating bracket.