Protective device for electrically operated windows, especially of motor vehicles

Claim 2

An installation for the protection against squeezing-in by movable structural parts actuatable by an electric motor means with switch means at the required places, characterized in that an electronic control circuit means together with an energizing circuit means for the driving motor means of the movable structural part are adapted to be supplied with current by way of the respective switch means thereof, in that the electronic control circuit means is controlled upon contact of a sensing means with simultaneous interaction on further means for at least stopping the driving motor means upon response of the control circuit means, and in that in addition to the switch means for the driving motor means a first relay means is connected in parallel to the driving motor means, a switch for the electronic control circuit means being controllable by said first relay means, that a second relay means with a second switch for the current supply of a third relay means is adapted to be energized by the electronic control circuit means and that at least one switch in the motor energizing circuit means is controllable by thE third relay means.

Claim 3

An installation according to claim 1, characterized in that the structural part is a movable windowpane.

Claim 4

An installation according to claim 1, characterized in that the structural parts are pivotal structural parts.

Claim 5

An installation according to claim 1, characterized in that the structural parts are displaceable structural parts.

Claim 6

An installation according to claim 4, characterized in that the sensing means is arranged at the upper edge of the windowpane.

Claim 7

An installation according to claim 1, characterized in that the sensing means is arranged at the upper edge of the movable structural part.

Claim 8

An installation according to claim 1, characterized in that the sensing means is arranged at the upper edge of the fixed opening frame.

Claim 9

An installation according to claim 1, characterized in that the sensing means is constructed as switching wire having a capacity that changes upon contact with a body part.

Claim 10

An installation with a power supply for the protection against squeezing-in by movable structural parts actuatable by an electric motor means with switch means at the required places, characterized in that an electronic control circuit means together with an energizing circuit means for the driving motor means of the movable structural part are adapted to be supplied with current by way of the respective switch means thereof, in that the electronic control circuit means is controlled upon contact of a sensing means with simultaneous interaction on further means for at least stopping the driving motor means upon response of the control circuit means and in that the switch means in the motor energizing circuit means is connected to a reversing switch means, that the motor energizing circuit means is adapted to be supplied with current directly from the power supply by way of the reversing switch means and the first-mentioned switch means, first relay means adapted to be supplied with current from the power supply by said first-mentioned switch means, the electronic control circuit means being directly connected with the power supply, a second relay means controlled by the electronic control circuit means which includes a switch controlling a third relay means controlling the reversing switch means of the motor energizing circuit means and a fourth relay means adapted to be supplied with current by the switch of the second relay means, and in that a switch of the fourth relay means is connected in a branch line forming a holding circuit to the power supply from the fourth relay means.

Claim 11

An installation with a power supply for the protection against squeezing-in by movable structural parts actuatable by an electric motor means with switch means at the required places, characterized in that an electronic control circuit means together with an energizing circuit means for the driving motor means of the movable structural part are adapted to be supplied with current by way of the respective switch means thereof, in that the electronic control circuit means is controlled upon contact of a sensing means with simultaneous interaction on further means for at least stopping the driving motor means upon response of the control circuit means and in that the switch means in the motor energizing circuit means is connected to a reversing switch means, that the motor energizing circuit means is adapted to be supplied with current directly from the power supply by way of the reversing switch means and the first-mentioned switch means, first relay means adapted to be supplied with current from the power supply by said first-mentioned switch means, the electronic control circuit means being directly connected with the power supply, a second relay means controlled by the electronic control circuit means which includes a switch controlling a third relay means controlling the reversing switch means of the motor energizing circuit means and a fourth relay means adapted to be supplied with current by the switch of the second relay means, and in that a switch of the fourth relay means is connected in a branch line forming a holding circuit to the power supply from the fourth relay means.

Claim 12

An installation according to claim 9, characterized in that the sensing means is constructed as switching wire having a capacity that changes upon contact with a body part.