Patent · US Expired

Copying machine equipped with a movable original holder

US4764788A · kind A · utility

13Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 1987
Grant dateAug 16, 1988
Priority date
Expiry dateJul 10, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2221/1657
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A copying machine including an openable original cover, an original holder movably provided on the top of the main body of the copying machine, a locking mechanism provided in the main body of the copying machine and having a projectable lock lever for restricting the movement of the original holder by engaging the receiving parts of the original holder when the original holder is located at a predetermined position, and an ON-OFF detection mechanism for elevating the lock lever a predetermined amount in accordance with the opening and shutting movement of the original cover when the original holder is located at the predetermined position and actuating a switch for driving the detecting means of the original size.

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