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US 10,708,513 B2Granted
Shutter apparatus and imaging apparatus
AssigneeCanon Kabushiki Kaisha
InventorRentaro Imai
Life of this patent
Estimating the term…
Abstract
A shutter apparatus includes a blade unit configured to open and close an opening used for exposure, a blade moving member configured to move the blade unit between an open position and a closed position of the opening, an urging member configured to urge at least one of the blade unit and the blade moving member in a direction from the closed position to the open position of the opening; and a blade cam member configured to contact the blade moving member as the blade unit moves from the closed position to the open position of the opening.
Claims16
A shutter apparatus comprising:
- a blade unit configured to open and close an opening used for exposure;
- a blade moving member (203) configured to move the blade unit between an open position and a closed position of the opening;
- an urging member (241) configured to urge at least one of the blade unit and the blade moving member in a direction from the closed position to the open position of the opening;
- and
- a blade cam member (205) configured to contact the blade moving member as the blade unit moves from the closed position to the open position of the opening,
- wherein as the blade unit moves from the closed position to the open position of the opening, the blade moving member separates from the blade cam member after the blade unit moves, and the blade moving member again contacts the blade cam member after the blade unit passes through a center of the opening.
3 more elements
Dependencies are inferred from the claim text.