Safety system for a container door

Details Safety system for a container door Safety system for a container door

1999-01-13

2000-11-28

Adams, Russell

Photocopying

Projection printing and copying cameras

Detailed holder for photosensitive paper

396589, 396536, G03B 2758, G03B 1702, G03D 1700

Patent

active

061542717

ABSTRACT:
A safety system for preventing the exposure of photosensitive sheets wound on at least one core in a container. The container has a door moveable between opened and closed positions, a projection mounted spindle for supporting the at least one core, and a fixing device coupled to the projection mounted spindle for attaching the door to the container. The safety system comprises a member coupled to the door and having an opening, with the member being moveable between at least first and second positions; an indicator coupled to the member, and when visible, indicates to a user that there are photographic sheets wound on the at least one core in the container; and a mechanism for moving the member between the at least first and second positions, so that when the member is in one of the first and second positions, the fixing device is exposed through the opening so that the door can be opened, and when the member is in the other of the first and second positions, the fixing device is covered by the member to prevent the door from being opened and the indicator is visible to indicate to a user that there are photographic sheets in the container.

REFERENCES:
patent: 1866086 (1932-07-01), Creery

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