公开(公告)号：US3559918A

公开(公告)日：1971-02-02

申请号：US3559918D

申请日：1968-09-26

Applicant: BRAUN CAMERA WERK

Inventor： BRAUN CARL

IPC: G03B21/32 ,  G03B21/50 ,  G03B1/04 ,  G11B15/32 ,  G11B23/04

CPC classification number: G03B21/323 ,  G03B21/50

Abstract: A boxlike film cartridge for use in projectors and having a tangentially arranged film exit opening. The cartridge is arranged to be carried on a pivoting door of the projector housing and carries a film clamping means which is arranged to clamp the film when the motor is automatically switched off by the end of the film passing through the picture gate at the end of rewind, in advance of cessation of rotation of the motor, so as to prevent the film being withdrawn entirely into the cartridge.