| 摘要 |
In some embodiments, a rotary shaft position indicating and display apparatus (10) for use with a device having a rotatable shaft may include one or more of the following features: (a) a housing having a base (18) with a cover (20) secured to said base and defining a hollow sealed chamber (22), (b) an actuator shaft (24) journaled for rotation in said base and extending through said base into said sealed chamber, (c) at least one electromechanical actuating element (32) mounted on said actuator shaft, (d) a frusto-conical member (41) having graphics information representative of said actuator shaft position viewable through a window area, (e) said cover (20)' having a frusto-conical base (102), (f ) female threads (108) on the interior of the frusto-conical base (102), and (g) male threads (106) on the base housing (18) to accept the female threads on the interior of the frusto-conical base. |
