Apparatus for use in loading and unloading cartridge, including restriction portion for restricting a loading operation of a cartridge or restricting engagement with cartridge during a loading operation
AssigneeCanon Kabushiki Kaisha
InventorShosuke Haraguchi
Life of this patent
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Abstract
An apparatus adapted for use with a cartridge, e.g., in loading a cartridge in a camera, includes an engagement portion settable in either a first state or second state and engageable with a film cartridge loaded in a cartridge chamber, and a restriction device that either (1) restricts a loading operation of a cartridge into the cartridge chamber when the engagement portion is in the second state, or (2) restricts engagement of the cartridge with the engagement portion where the engagement portion is in the second state.
Claims17
An apparatus for use with a cartridge, comprising:
- an engagement portion settable in either a first state or a second state and engageable with a cartridge loaded in a cartridge chamber;
- a cartridge discharge portion, movable within the cartridge chamber, for moving a cartridge loaded in the cartridge chamber to discharge the cartridge from the cartridge chamber;
- and
- a device mechanically interlocked with said engagement portion that prevents movement of said cartridge discharge portion in the cartridge chamber when said engagement portion is in the second state, thereby preventing a loading operation of a cartridge into the cartridge chamber when said engagement portion is in the second state.
An apparatus adapted for use with a cartridge, comprising:
- an engagement portion settable in either a first state or a second state and engageable with a cartridge loaded in a cartridge chamber;
- a cartridge discharge portion, movable within the cartridge chamber, for moving a cartridge loaded in the cartridge chamber to discharge the cartridge from the cartridge chamber;
- and
- a device mechanically interlocked with the engaging portion that prevents engagement of said engagement portion with a cartridge during a cartridge loading operation when said engagement portion is in the second state.
A camera for use with a film cartridge, comprising:
- an engagement portion settable in either a first state or a second state and engageable with a film cartridge loaded in a cartridge chamber,
- a cartridge discharge portion, movable within the cartridge chamber, for moving a film cartridge loaded in the cartridge chamber to discharge the film cartridge from the cartridge chamber;
- and
- a prohibiting member for prohibiting engagement of said engagement portion with the film cartridge when said engagement portion is set in the second state, said prohibiting member prohibiting a charging operation of said cartridge discharge portion effected by a loading operation of the film cartridge when said engagement portion is in the second state.
Dependencies are inferred from the claim text.