Patent ID: 7343851

Claim:
A knotting hook ( 9 ) for a twine knotter ( 10 ) for bale compactors, comprising: a knotting frame ( 11 ); a knotting hook shaft ( 40 ), which forms a swivel pin in the knotting frame ( 11 ) and rotatably supports the hook; a hook part ( 41 ), projecting laterally from the knotting hook shaft ( 40 ), said hook part has a continuous through-opening ( 52 ) with an approximate rectangular cross section, said opening extending in a plane formed by the knotting hook shaft ( 40 ) and the hook part ( 41 ), side boundaries of the opening being formed by cheeks ( 63 , 64 ); and a knotting tongue ( 44 ), passing through the opening ( 52 ), said tongue is supported on the knotting hook ( 9 ) and pivots around a pivot pin ( 43 ), which is perpendicular to the plane formed by the knotting hook shaft ( 40 ) and the hook part ( 41 ) and which passes transversely through cooperating bores ( 65 , 66 , 67 ) in the cheeks ( 63 , 64 ) and the knotting tongue ( 44 ), wherein an internal projection, which extends radially inward in front of an end surface ( 43 ′) of the pivot pin ( 43 ), is provided in the cooperating bore ( 66 ) passing through the cheek ( 64 ) of the opening ( 52 ), and in that an outer edge of the cooperating bore ( 65 ) passing through the other cheek ( 63 ) is peened over in front of another end surface ( 43 ″) of the pivot pin ( 43 ).