Bayonet mount and photo-taking lens barrel for interchangeable lens camera system
US5778271A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1997 |
| Grant date | Jul 7, 1998 |
| Priority date | — |
| Expiry date | Jan 28, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/14
- WIPO fieldOptics
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.