Bayonet mount and photo-taking lens barrel for interchangeable l

Details Bayonet mount and photo-taking lens barrel for interchangeable l Bayonet mount and photo-taking lens barrel for interchangeable l

1997-01-28

1998-07-07

Adams, Russell E.

Photography

Camera detail

Lens mount

G03B 1700

Patent

active

057782717

ABSTRACT:
An improved bayonet mount for removably attaching the photo-taking lens barrel to a camera body in an interchangeable lens camera system, which bayonet mount includes a body-side mount surface and a lens-side mount surface which have a plurality of stop members severally provided on each interior surface thereof and electrical contact elements severally provided on each interior side thereof. In the bayonet mount, one pair of the correspondent pairs of stop members which mutually engage when the lens barrel is attached to the camera body are disposed at positions which overlap the electrical contact elements in a radial direction on the mount surfaces.

REFERENCES:
patent: 4239364 (1980-12-01), Doi
patent: 4420239 (1983-12-01), Yasuyuki et al.
patent: 4536071 (1985-08-01), Maekawa et al.
patent: 4659203 (1987-04-01), Niwa et al.
patent: 4924249 (1990-05-01), Aihara et al.
patent: 5274413 (1993-12-01), Nomura et al.

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