Abstract: A seat for vehicles is provided with a pivotable seat back and a seat belt system including a seat belt, a belt roll-up device, and a belt deflector mounted on the seat back. A locking device triggerable in the event of a collision is provided for securing the seat back to the vehicle body. To create a highly stable locking device without having parts projecting therefrom when the seat back is folded, the locking device has a locking pin that is displaceable crosswise with respect to the vehicle, the pin cooperating with a hole located in the side wall of the body and urged by a tensioned drive spring in the direction of the hole, and a locking unit which secures the locking pin in its basic position against axial displacement. The locking unit is coupled to a section of the seat belt located between the belt roll-up device and the belt deflector in such fashion that it releases the locking pin as a result of a pull that acts when the belt pull-out lock on the seat belt is active.

Abstract: An apparatus for automatic exposure control in a single lens reflex camera including an objective lens having a diaphragm regulating ring and a preselection ring forming part of a preselectable diaphragm means.A photo-electric receiver controls the exposure.A light regulating element having an adjusting device for varying the transparency thereof is provided in the light path from the lens and is positioned in front of the photo-electric receiver.A coupling arrangement is provided in which a receiver diaphragm ring engages the lens diaphragm preselection ring.First and second lugs are provided on the adjusting device of which the first lug can be coupled with the receiver diaphragm ring.A spring loaded lug is provided on the diaphragm regulating ring.