Patent ID: 6877830

Claim:
A lifting apparatus for a two-leaf folding flap having an upper leaf ( 3 ) structured and arranged to be hinged to a top or partition wall ( 1 ) of a cupboard around a horizontal first axle ( 2 ) and a lower leaf ( 5 ) structured and arranged to be pivotally connected to the upper leaf ( 3 ) around a second axle ( 4 ) parallel to the first axle ( 2 ), comprising at least one two-armed lever ( 13 , 30 , 56 ) which is structured and arranged to be pivotally mounted to a side body part ( 8 ) around a horizontal pivot axle ( 12 ) and having a longer arm ( 15 ) structured and arranged to be linked to the lower leaf ( 5 ); and a compression spring element ( 20 ) having one end structured and arranged to be pivotally connected to said body part ( 8 ) and an opposite end structured and arranged to be pivotally connected to said lever ( 13 , 30 , 56 ); wherein said lever ( 13 , 30 , 56 ) is structured and arranged to be guided in a longitudinally displaceable manner on said pivot axle ( 12 ) and has a shorter arm ( 16 ) structured and arranged to be guided in a cam guide ( 9 ) fixed to said body part ( 8 ) via a slide block or a roller ( 17 ).