BLADE DRIVE DEVICE FOR CAMERA

PROBLEM TO BE SOLVED: To provide a blade drive device for a camera which can be made compact by suitably mounting on a bottom board, a cover plate constituting at least one blade chamber between the bottom board and the cover plate. SOLUTION: The bottom board 1 made of synthetic resin is provided with base parts 1d, 1e, 1f, 1g and 1h for keeping a predetermined space between the bottom board 1 and the cover plate 2 made of metals, and mounting shafts 1i, 1j, 1k and 1m are erected on the base parts 1d, 1e, 1f and 1g out of the base parts. After mounting holes 2m, 2n, 2p and 2q are fit to the mount shafts 1i, 1j, 1k and 1m, the cover plate 2 is partially deformed by a caulking machine from outer peripheral end face side proximate to the mount holes 2m, 2n, 2p and 2q toward the mount shafts 1i, 1j, 1k and 1m, and a part of the end faces of the mount holes 2m, 2n, 2p and 2q are made to bite at the mounting shafts 1i, 1j, 1k and 1m so that the cover plate 2 is mounted on the bottom board 1. COPYRIGHT: (C)2008,JPO&INPIT