Stop apparatus, and lens apparatus and image pickup apparatus having the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9134588
APP PUB NO 20150043903A1
SERIAL NO

14452711

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A stop apparatus includes a stop operation member, a plurality of stop blades, each of which is provided with a pivot and a driving pin, a blade supporter that supports the stop blades in such a way that the stop blades are rotatable about the pivots of the respective stop blades, a first cam member provided with a first cam groove with which the driving pins of the respective stop blades engage, a second cam member provided with a second cam groove having a shape different from the first cam groove, and a driving force transmission member that transmits rotational driving force of the stop operation member to the second cam member. At least one of the driving pins engages with both the first cam groove and the second cam groove.

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First Claim

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shibasaki, Gou Utsunomiya, JP 5 14

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