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US 6,361,224 B1Granted
Film transport device and camera
AssigneeCanon Kabushiki Kaisha
InventorRyoji Okuno
Life of this patent
Estimating the term…
Abstract
A film transport device includes a spool arranged to take up and wind thereon a film pulled out from a film cartridge, a motor disposed within the spool, a spool gear arranged to have an output of the motor transmitted thereto and to drive the spool, the spool gear being arranged to be coaxial with the spool and to drive the spool only by the rotation in one direction thereof, and a film cartridge driving mechanism arranged to transmit the output of the motor to a film cartridge through the spool gear.
Claims28
A film transport device comprising:
- a) a spool arranged to take up thereon a film pulled out from a film cartridge;
- b) a motor disposed within said spool;
- c) a spool gear arranged to have an output of said motor transmitted thereto and to drive said spool, said spool gear being disposed coaxially with said spool, said spool being driven only by a rotation in one direction of said spool gear;
- and
- d) a film cartridge driving mechanism for driving the film cartridge, said film cartridge driving mechanism being meshed with said spool gear in order to transfer a rotation force of said spool gear to said film cartridge driving mechanism.
2 more elements
A camera comprising:
- a) a spool arranged to take up thereon a film pulled out from a film cartridge;
- b) a motor disposed within said spool;
- c) a spool gear arranged to have an output of said motor transmitted thereto and to drive said spool, said spool gear being disposed coaxially with said spool, said spool being driven only by a rotation in one direction of said spool gear;
- and
- d) a film cartridge driving mechanism for driving the film cartridge, said film cartridge driving mechanism being meshed with said spool gear in order to transfer a rotation force of said spool gear to said film cartridge driving mechanism.
2 more elements
Dependencies are inferred from the claim text.