PURPOSE: To enhance the maintenance of circuit elements installed in a waterproof box when installing electric circuit components, such as a chopper controller of an electric car.
CONSTITUTION: A removable waterproof box comprises a board 1 which constitutes the bottom of the box and a cover 10 which constitutes the upper part of the box. Electric circuit elements are installed in the waterproof box while terminals 20 and 21 are constructed on the end of the board and the upper part of the cover 10 in conformity with this position. These terminals are connected with a flexible conductor 34 wound around the outside of the cover. The terminal 21 of the board 1 penetrates the upper part insulation board 22 and the lower part insulation board 23 which clamp the board 1 and conductor bolts 31 and nuts 32 which penetrate a penetration hole formed on the board 1 and fasten therewith and the bolts are furnished with screws 31 so as to mount the conductors, thereby connecting the terminal 20 of the cover 10 to outside elements.
KOBAYASHI MASAJI
KAWANAKA TOMIO
MURASE TAKASHI
SHATAI KOGYO KK
FURUKAWA ELECTRIC CO LTD
Next Patent: JPS6314888