Patent ID: 8640559

Claim:
An instrument apparatus, comprising: a first display device comprising a chaptering plate provided at a front surface of the chaptering plate with an index member indicating a condition of a movable body in cooperation with an indicating needle; a second display device arranged at a side of the front surface of the chaptering plate; a circuit board arranged at a side of a rear surface of the chaptering plate and driving the second display device; wherein the second display device comprises a projecting portion projecting toward the chaptering plate and a connecting terminal arranged at a top end of the projecting portion, wherein the chaptering plate comprises an insertion hole formed into a similar shape as an outline of the projecting portion, in which the projecting portion is inserted, wherein the circuit board is arranged at a position, in which an insert direction of inserting the projecting portion through the insertion hole and the circuit board intersect, and comprises a terminal receiving member to be fitted and electrically connected with the connecting terminal, and wherein when the projecting portion is inserted into the insertion hole, the connecting terminal arranged at the top end of the projecting portion is electrically connected to the terminal receiving member.