MECANISME DE TRANSMISSION D'UNE FORCE MOTRICE (

摘要

1303277 Cine cameras; zoom lenses BELL & HOWELL CO 17 Aug 1970 [2 Sept 1969] 39525/70 Headings G2E and G2J [Also in Division F2] The power transmission mechanism disclosed in Specification 1268998 for use with a cine camera zoom lens is improved by providing a resilient coupling member 92 between the intermittently rotatable wheel 16 and the zoom ring 20, to give smooth rotation of the ring. The coupling has legs 102, 106 which deflect as wheel 16 intermittently rotates, the deflection being limited by stop 112.