Yazaki Industrial Chemical Co., Ltd.

Muneharu Miyashita

Masuo Shimura

A gravity-feed flow rack apparatus for multiple articles with rack modules arranged vertically. The rack apparatus include main module, front and rear auxiliary modules having article conveyance skid rails, insert joint for joining said modules, tiltable stopper means for serially advancing articles on said module, and control means performing control of desired operation condition of the rack apparatus. The rack apparatus may be a constructionally changeable in desired number and spaces of the rack modules in which flexible change is desired.

Gravity feed flow-rack apparatus

Joint for a rack frame

A clipboard for holding worksheets is disclosed, which is a plastic rectangular board bent into a largely inverted U-shaped cross-section having a vertical front board, an also vertical backside board that is larger in length than the front board, and a horizontal top roof member between the front and backside boards. A book of worksheets is clamped between the front and backside boards below the roof member. A hook for hanging the clipboard is centrally fixed in the roof member and having means t orient the clamped worksheets in two alternative different vertical planes perpendicular to each other. A pair of bosses centrally mounted in the backside board and each having at a front end thereof a downwardly inclined end face for engagement with a pair of apertures formed in the front board through a pair of holes in an upper margin of each worksheet clamped.

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Shizuoka, Japan

Muneharu Miyashita