The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 23, 2004
Filed:
Jun. 05, 2003
Shinji Ito, Kamifukuoka, JP;
Nobuyoshi Inoue, Kawagoe, JP;
Nidec Copal Corporation, Tokyo, JP;
Abstract
A first blade actuating member and a second blade actuating member have pins, respectively. A movable contact member, which is urged to rotate in a counterclockwise direction, has locking arms and a contact piece member. When the first blade actuating member is rotated in the counterclockwise direction in photographing, the movable contact member causes a locking arm of to follow a pin of the first blade actuating member and causes the contact piece portion to come into contact with the contact piece portion of a stationary contact portion to thereby detect an abnormal actuation of the first blade actuating member by offset from normal timing. Next, when the second blade actuating member is rotated in the counterclockwise direction, a locking arm of the movable contact member is rotated by being pressed by a pin and causes the contact piece portion thereof to come into contact with the contact piece portion of the stationary contact portion to thereby detects an abnormal actuation of the second blade actuating member, similarly to the above mentioned.