Analysis film holding down feature null of cartridge for dry type analysis film

摘要

PURPOSE: To improve assembly property by performing regulation so that the edge portion of a coil spring in contact with the spring receiver of a stopper is not removed when fitting an analysis film press mechanism for energizing a dry-type analysis film housed in a box. ;CONSTITUTION: An analysis film press mechanism 16 inserted into a box for housing a dry-type analysis film is provided with a stopper 19 which can be gear-locked to the inner wall of the box, a press member 17a for pressing the dry-type analysis film, and a coil spring 18 for energizing the press member 17a. The stopper 19 is provided with a slide body 19a which can slide along with a shaft body 17b of the press member 17a and where the coil spring 18 can be arranged outside and a spring receiver 19b for carrying the edge portion of the coil spring 18. An aligning means 19e for aligning the virtual center position of an envelope formed by the coil spring 18 to the virtual center position of the spring receiver 19b at one edge portion of the coil spring 18 is provided at the outer-periphery portion of the slide body 19a or the coil spring 18.;COPYRIGHT: (C)1996,JPO