A hand-held symbology reader having a handle for grasping by a user and a head attached to the handle for adjustable angular movement of the head relative to the handle between the plurality of angular orientations. The head is selectively retained in a selected one of a plurality of angular orientations....http://www.google.de/patents/US5477044?utm_source=gb-gplus-sharePatent US5477044 - Symbology reader with a variable orientation head
