A flashlight includes a flexible housing of mating halves. A lamp and two batteries are arranged such that the lamp terminals are in contact with the battery terminals. The lamp is operated by squeezing the housing which in turn bends a switch member that completes the circuit between the batteries and...http://www.google.fr/patents/US4731712?utm_source=gb-gplus-shareBrevet US4731712 - Squeezable flashlight
