A lock for a bicycle or the like comprises a first fixed casing member which is adapted to be secured to the frame member of a bicycle or the like and a second casing member which is movable relative to the first casing member. The first casing member is cup-shaped and is provided with frame mounting...http://www.google.fr/patents/US5598727?utm_source=gb-gplus-shareBrevet US5598727 - Locks for bicycles and the like
