| 摘要 |
<p>PURPOSE:To adjust the contact pressure between a record paper and a paper feed roller most suitably and feed the record paper most suitably regardless of the remaining amount and the kind of the record paper and an atomosphere and environment, etc. CONSTITUTION:This device is composed of a pressurized motor 1 consisting of a stepping motor or an ultrasonic motor by which the turning amount is controlled based on a pulse signal and a bottom plate interlocked member 2 by which the turning force of this pressurized motor 1 is interlocked with the elevating operation of a cassette bottom plate 10 on which a sheet shape record paper 11 for feeding paper is piled and this cassette bottom plate 10 is elevated and the cassette bottom plate 10 is moved to a prescribed position by controlling the turning amount of the pressurized motor 1.</p> |
