Mechanical shock absorbing device of a camera
US4458998A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1982 |
| Grant date | Jul 10, 1984 |
| Priority date | — |
| Expiry date | Oct 14, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B19/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a camera having a moving body provided with an optical element which is movable over a predetermined distance in a predetermined direction in connection with a photographing operation, a shock absorbing device acting on a shock resulting from the movement of the moving body includes counterweight means having a greater inertial mass than the moving body, and drive means for moving the counterweight means and the moving body in synchronism with each other. The drive means moves the counterweight means in the direction opposite to the direction of movement of the moving bdy and over a distance shorter than the movement distance of the center of gravity of the moving body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.