Patent ID: 7797787

Claim:
An apparatus for the detachable connection of a wiper blade ( 12 ) on a swivelable wiper arm ( 10 ) of a wiper for windows of motor vehicles, the apparatus comprising a bushing ( 18 ) one of connectable to the wiper blade and arranged on the wiper blade for accommodating a plug-in axis ( 16 ) of the wiper arm to define a pivot axis of the wiper arm and the wiper blade, and the apparatus comprising a device to lock the plug-in axis in the bushing at least in an operating position of the wiper blade, in which the directions of the longitudinal extension of the wiper blade and the wiper arm are aligned approximately parallel to one another, wherein the plug-in axis ( 16 ) extends transverse to the longitudinal extension of the wiper arm, wherein the device for locking includes a catch hook ( 20 ) arranged on the wiper blade ( 12 ), which in the operating position partially grips around the wiper arm ( 10 ) near the plug-in axis ( 16 ) and forms an angular limit stop for the wiper blade ( 12 ), the catch hook ( 20 ) being longitudinally spaced from the bushing on the wiper blade, the catch hook ( 20 ) having a first wall extending parallel to the pivot axis, the first wall being engageable with a portion of the wiper arm to provide the angular limit stop, the catch hook ( 20 ) having a second wall extending transverse to the pivot axis and to the first wall, wherein, in the operating position, the second wall is engageable with a portion of the wiper arm to limit axial movement of the wiper arm away from the wiper blade, the catch hook ( 20 ) having a third wall extending transverse to the pivot axis and to the first wall, the second wall and the third wall being on opposite ends of the first wall, wherein the wiper blade includes a connector ( 14 ), the connector ( 14 ) supporting the bushing ( 18 ) and the catch hook ( 20 ).