Cartridge accommodating device of camera, and cartridge chamber lid of camera
AssigneeCanon Kabushiki Kaisha
InventorKenichi Katano
Life of this patent
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Abstract
A cartridge accommodating device of a camera includes a fork arranged to fit into a spool shaft of a film cartridge, a key member arranged to be movable back and forth with respect to a key way provided in the spool shaft and to transmit a film transport driving force to the spool shaft by engaging the key way, a first urging member arranged to urge the key member to engage the key way, a shaft keep member arranged to abut on the spool shaft when the fork fits into the spool shaft, and a second urging member arranged to urge the shaft keep member to move in an axial direction of the spool shaft. Accordingly, the key member can be caused to smoothly engage the key way and the film can be smoothly transported while the film cartridge is stably held in a predetermined position.
Claims20
A cartridge accommodating device of a camera, comprising:
- a) a fork arranged to fit into a spool shaft of a film cartridge;
- b) a key member arranged to be movable back and forth with respect to a key way provided in said spool shaft and to transmit a film transport driving force to said spool shaft by engaging said key way;
- c) a first urging member arranged to urge said key member to engage said key way;
- d) a shaft keep member arranged to abut on said spool shaft when said fork fits into said spool shaft;
- and
- e) a second urging member arranged to urge said shaft keep member to move in an axial direction of said spool shaft.
A cartridge chamber lid of a camera, comprising:
- a) a fork arranged to fit into a spool shaft of a film cartridge;
- b) a key member arranged to be movable back and forth with respect to a key way provided in said spool shaft and to transmit a film transport driving force to said spool shaft by engaging said key way;
- c) a first urging member arranged to urge said key member to engage said key way;
- d) a shaft keep member arranged to abut on said spool shaft when said fork fits into said spool shaft;
- and
- e) a second urging member arranged to urge said shaft keep member to move in an axial direction of said spool shaft.
Dependencies are inferred from the claim text.