Patent · US Expired

Motorized camera

US4724450A · kind A · utility

7Cited by
7References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1987
Grant dateFeb 9, 1988
Priority date
Expiry dateApr 28, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B17/425
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A motorized camera having a gear train between an electric reversible motor and a film rewind fork with a mechanism for transferring the driving torque from an intermediate gear of the train to move a member having function other than film transportation as the gear is out of mesh with the next one, wherein a mechanism is provided between the last gear of the train and the rewind fork so that only when the last gear has rotated by a prescribed angular distance, the fork starts to engage the supply spool of the film cartridge to rewind the film.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.