G - Physics
03
B
40/12
G03B 17/02 (2006.01)
Patent
CA 1250429
ABSTRACT OF THE DISCLOSURE A display unit including a frame formed at its front face with a display opening, a pair of windup drums supported in the frame and located parallel to each other, a display screen in scroll form bearing a multiplicity of inscriptions rolled and unrolled by the windup drums for movement therebetween, and a drive shaft turned by a manually operated handle to rotate a shaft of one of the windup drums through a transmission, wherein the display screen is moved past the display opening in a tensioned condition between the windup drums to display a desired inscription through the display opening. The windup drums are located vertically in the frame and the display screen is moved laterally in the frame. A braking device for suitably applying the brake to the shaft of the windup drum rotated by the drive shaft is provided.
447916
Nakajima Masaki
Takahashi Yoshiki
Kawasaki Jukogyo Kabushiki Kaisha
Morio Denki Co. Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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